Black Box CRDX-A-FS-24KW manual

- FS B L A C K B O X ® T h i s p r e c i s i o n d a t a c e n t e r a i r -c o n d i t i o n i n g s y s t e m uses the latest , state - of -the - ar t con trol technology . Cold Row ™ DX User Manual CRD X-A-FS-24KW CRD X-G -FS - 1 2K W CRD X-A-FS - 1 2K W CRD X-W-FS -24KW CRD X-G - FS -2 4K W CRD X-W-FS - 1 2K W Ord er toll-f ree in the U. S. [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 2 72 4 - 7 4 6 -5 50 0 | black box.c om T rademark s Use d in this Manual W e ‘ r e he re t o he l p! If y ou h a ve a n y q ue st io n s ab ou t yo ur a p pl ic a ti on or o ur pr odu c t s, c onta c t Bl ack B ox T ech S upp or t at 7 2 4 -74 6 - 5 5 0 0 or go t o blackbox.c om an d cl ick o n “T a [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 3 FC C and IC RFI Stat ements Feder al Commun icati ons Commissi on and Industr y Canada R adio F requenc y Int er ferenc e S t atemen t s This e quipmen t generates, uses, and can radia te radio-frequenc y energy , and if not installed and used properly , that is, in[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 4 72 4 - 7 4 6 -5 50 0 | black box.c om NOM Stat ement Instrucc iones de Segur idad ( Normas Ofic iales Mexi c an a s E lec tri cal Safety Stat ement) 1 . T odas las instruc ciones de se guridad y operación deberán ser leídas ant e s d e que el aparat o eléc trico sea o perado. 2 . L as instrucciones [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 5 T able of Content s T able of C ontents 1 . Introducti on ........................................................................................................................................................................ 10 1 . 1 General ......................[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 6 72 4 - 7 4 6 -5 50 0 | black box.c om T able of Content s 2 . 9 .3 . 1 W at er -C oo le d S yst em s (C R D X -W-F S- 1 2 K W , C RD X -W -FS- 2 4KW) ........................................................ 34 2 .9. 3.2 Glycol- Cooled Systems (CRD X- G - FS- 1 2KW , CRD X- G -FS -2 4 K W) ..............[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 7 T able of Content s 4 . 3. 2 . 1 Su m ma ry A la rm .................................................................................................................................. 54 4 . 3. 2 .2 C us to me r Al ar ms ..............................................[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 8 T able of Content s 4 . 5 .5 .6 Di g it al In ............................................................................................................................................. 82 4 .5.5. 7 Ru n Ho urs ...........................................................................................[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 9 T able of Content s 5.3.2.3 Refrig erant Piping ............................................................................................................................. 12 0 5.3.3 R efrigeration System Repair s ........................................................................................[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 0 Chapter 1: Introdu c tion 1 . Introdu c tion 1 . 1 General The C old Row precision data cent er air - conditionin g s ystem cove red by this manual uses the latest, s tate- of-t he -ar t contr o l te ch nolo gy . It us es the fi nes t mat er ial s av ai lab le in th e in dust r y . The un it wi ll pr [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 Chapter 1: Introdu c tion Figure 1 - 1 . Us er interface display . Refer to Chap ter 4 for det ailed instruc tions on operating the s ystem con troller .[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 2 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 1: Introdu c tion 1 2 - Month Pr ecisio n A / C Li mited W arr anty / 2 4 - Mont h Precisi on A / C Upgr aded Limit ed Wa rran t y The 1 2- Mont h Pre cis ion A / C Limited Warran t y applies when Factory- Authoriz e d s tartup is not purchased at the time[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 3 Chapter 1: Introdu c tion 1 .3 Produc t Warr ant y Black Box offers a two -year standard lim ited warranty as s tated o n the previous pag e . A n ex tended warran t y may b e purchased on the unit ’ s compressor . The compressor warran t y as stated below will [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 1: Introdu c tion 1 .4 S af et y 1 .4 . 1 Gener al Th is ma nu a l u se s N O TES a lo ng wi t h C AU TION a nd W AR NING sy mb ol s t o d r aw y ou r a tte nt io n t o i mp ort an t ope ra t io na l an d safety inf ormation. A NO TE ma r ks a sh o rt m es[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 5 Chapter 1: Introdu c tion C A UTION Never work on elec trical equipment unless another person who is familiar w ith the operation and hazards of the equipment and is competent in admini s tering fir st aid is nearby . C A UTION All per sonnel working on or near e [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 6 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 1: Introdu c tion C A UTION When filling the water/ glycol loop, all air must be bled from the piping system. WA R N I N G Do not use chloride -b ased water - condi tioning addit ives in t he condensate drain pans . T his w ill c ause cor rosion to occur o[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 7 Chapter 1: Introdu c tion 1 .5. 1 Electrica l Compartment The el ectri cal co mpo nen ts are pr ot ecte d in side an el ectric bo x loc ate d beh ind th e re ar ac ce ss pan el . The el ectri c box c ove r is saf ety in te rloc k ed wit h the se r vic e di sco nn [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 8 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 1: Introdu c tion During st artup, the fan s be gin operating in stag es with five -se cond time delays. The middle fan star ts firs t, then the upper fan , then the lower fan . The s ystem contr oller monitors fan operation. If one or t wo of the fan s fa[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 9 Cha pter 2 : Instal lat ion 2. Install atio n 2. 1 Rece iving th e Equ ipment Y ou r C old Row pr eci sio n A / C syst em h as bee n te sted an d in spect ed pr ior t o sh ipm ent . C are fu lly re mov e th e pro te c ti ve pa cka gi ng an d perf orm a vi su al in[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 2 0 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion When determini ng the installation loc ation, consider how you’ ll route the piping and wiring into the cabinet and ensure access is av ai la ble (se e Sectio ns 2 . 7 . 1 and 2 .8. 1 ). The C ol d Row syst em i s ord ere d fro m the [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 2 1 Cha pter 2 : Instal lat ion Figure 2- 1 . Re comme nded inst allation. NOTE: Placement of air barrier s betwe en the cold aisle /hot aisl e is impor tan t. If the supply disch arge is too close to the hot aisle, th e co ndi tio ned s upp ly ai r wil l be rec irc u[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 22 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion Figure 2 -2 . T y pical air distribution. The front discharge panel direct s the supply air out of the C old Row unit where it w ill be drawn into the front of the s er ver racks. An optional front - diver ted air dischar g e panel is al[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 23 Cha pter 2 : Instal lat ion 2.6 Opti onal E qui p ment (Field I n stal led ) NOTE: D o not moun t any opti onal equipment on the unit access panels. 2.6. 1 Remot e Wa ter Detectors The remote water detec tor is normally placed on the sub-floor or in a field -suppli[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 2 4 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion 2.6.2 Remote T emperat ure / Hum idity Sensor Depending o n the t ype of cont rol sele cted, the temperature / humid it y ( T/ H ) sensor may be factor y-mounted or shipped loose for field installa tion. The remote sensor must be locate[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 2 5 Cha pter 2 : Instal lat ion 2.6.3 Outdoor Condensers Re fe rri ng t o the IOM m anu al pr ovi ded wi th th e co nden ser , in stal l th e rem ot e con den ser in a se cur e loca tio n whe re it ca nno t be tampered with, and the ser vice disconnec t s witch cannot [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 2 6 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion Pip ing Connec tions C A UTION Th e coo lin g co il (an d asso cia ted pi pin g ci rcu its) a re pr essu ri zed (up t o 1 0 0 p si) an d sea led wh en th ey le av e the fa ctory . Bef ore installing the interconnecting piping, rele ase [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 2 7 Cha pter 2 : Instal lat ion W ater -W ater/ Glyc ol Supply an d Return P iping C onnec ti ons C ONDEN SA TE D R AIN— 1 ⁄ 2 " FP T FEMALE PI PE THREADS SC HRADER VAL VE Figure 2 - 8. T op access piping.[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 2 8 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion MALE PIPE THREADS SC HRADER VAL VE Figure 2 -9. Bottom acc es s piping.[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 29 Cha pter 2 : Instal lat ion 2.8 Split Ai r - Cooled S ys tems Split air - cooled sy stems w ith a remote condenser will require field -installed refriger ant piping. All split s ystems are shipped with a dr y nitrogen charge of 1 0 0 psig. Release the pressure via [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 30 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion W rap we t ra gs ar ou nd th e pip es betw een th e ar eas t o be sol dere d and an y nea rby re fr iger at ion co mpo nen ts to k eep ex ce ssiv e he at f rom tr av el ing th ro ugh th e pip e and ca us ing da ma ge. C lea r all pipe c [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 3 1 Cha pter 2 : Instal lat ion 2.8 . 1 . 2 Refr igera nt Pipe Si zi ng Refrigeran t lines for split s ystems must b e siz ed accordi ng to the piping distance b etween the evaporat or and the condenser . Each valve , fitting, and b end in the refriger ant line must b[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 3 2 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion V er tical runs are based on a total rise of 30 equivalent feet. For longer rises, make individual calculations. Sizes as sume the use of single risers ; double riser s may be necess ary . C A UTION Do not e xceed 1 50-foot maximum liqu[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 3 3 Cha pter 2 : Instal lat ion Figure 2 - 1 2. Sample nameplate . The unit is provided with termi nals for all requi red field wiring. Refer to the electric al drawing supplied with the unit for all power an d co ntr ol f ield wi ri ng. It is i mporta nt t o ide nti f[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 34 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion CA UTION Before op erati ng the unit, you must conn e ct an adequate unit -to - ground to the unit. 2.9 . 1 . 1 Sing le - Phase U nits 20 8 / 230 V The supply voltage for units that are designed for 208 -V o peration must have a toleranc[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 35 Cha pter 2 : Instal lat ion 2.9 .3. 2 Gly col- Cooled Systems ( CRD X - G - FS - 1 2 K W , C RD X-G - FS -2 4K W ) Gl yc ol-cool ed syst ems eq ui pped wit h a pu mp pa cka ge re qui re fi eld wi rin g betwe en th e A / C un it an d the pu mp p ack age (se e Fi gu [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 36 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion Figure 2- 1 4 . I nter connec ting field wiring remote condenser . 2. 1 0 System Ch argi ng Procedur es 2. 1 0. 1 W ater – W ater/ Glyc ol Cooled S ys tems No field refrigera nt chargi ng is requir ed for fluid- cooled unit s. The foll[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 3 7 Cha pter 2 : Instal lat ion C A UTION POE oi l is u sed in syst ems wi th R 4 1 0A re fr igera n t. POE oi l qu ick ly ab so rbs mo ist ure wh en expo sed to ai r . Hig h POE oi l moi stu re le vel s rea c t wi th re fri gera nt to form ac id , whi ch r esu lts in [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 38 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion T ab le 2 - 1 0. W eig ht o f R4 1 0A r efr ige ran t (lb s. /1 00 ft. of t ype L t ubi ng). Lin e Size O. D. R410A Cha rge ( le ss r ece ive r) R410A Cha rge ( wi th re cei ver) 1 ⁄ 2 5.88 1. 2 7 5 ⁄ 8 9.4 4 2.03 7 ⁄ 8 19. 52 4.22[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 39 Cha pter 2 : Instal lat ion NOTE: When pulling a vacuum, the Schrader valves will unnecessarily restrict the openings, increasing the evacua tion time. During th e eva cu at ion pr oces s, we rec om mend tha t you re mov e the Sc hr ader va lve c ore s wit h a Sch [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 40 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion 3. Referrin g to C hapter 3, star t the A /C s ystem and use the sy stem controller to lower the room temperat ure setpoint 3 –5° F below actual room temper ature to ensure that cooling rema ins on as the unit is charged. When fine tu[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 4 1 Cha pter 2 : Instal lat ion 2. 1 0.3 Refri geran t Char ac teristi c s 2. 1 0.3. 1 Pressure / T emper ature Setti ng s The following table is provided to assist with the nor mal set tings of the s ystem for R4 1 0A refriger ant. Where ap plicable , minimum and ma [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 4 2 72 4 - 7 4 6 -5 50 0 | black box.c om Cha pter 2 : Instal lat ion 2. 1 1 Set t ings and Ad jus tmen t s 2. 1 1 . 1 Wa ter – W ater/ Glyc ol Circ uit C on den sin g te mpe rat ur e is ma in tai ned b y li qui d flo win g th rou gh a re gu lat in g val ve an d th en in to th e co nde nser . The r egu [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 43 Chap ter 3 : Star tup / Commi ss ioning 3. Star tup / Commissioni ng 3. 1 Ini tia l O per ation For ne w in stal la tion s, ma k e su re th e un it is r eady t o oper at e by goi ng th ro ugh th e C heck li st fo r C omp let ed In stal la tion , loc ate d in Ap pe [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 4 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4. E2 Cont rol ler 4. 1 Genera l The advanced microprocessor-based E2 Series con troller is a highly versatile and flexible A / C sys tem controller . It is designed primari ly for precision air condi tioner s. The contr oller is equipped[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 45 Chapter 4 : E2 Controller 4. 1 . 2 User Int er fac e Displa y Panel Y our unit is equipped with an interface display panel t ypically mount ed on the front panel of the A / C unit. Figure 4 - 1 . User int er face display panel. The user int er face display panel fe[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 46 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4. 1 . 2.2 Contr as t Ad justment Press and ho ld the Alarm and P rg keys, then use the Up and Down keys to adjust the contrast. 4. 1 . 2.3 Alar m s Al arm co ndi tio ns act iva te a re d LED in di cat or th at ba ckl ig hts th e al arm fu[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 4 7 Chapter 4 : E2 Controller 4. 1 .4 BMS Inte r face The E2 series control ler may inc or porat e a Building Management System ( BMS) net work card equipped with a commun ic ation port ( Fi gu re 4- 3 ). Th is ca n be fie ld c onn ected t hro ugh a se ria l in te r f[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 4 8 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4. 2 Navigating Controller Display S creens 4. 2. 1 Menu Selection The E2 Se ries c ont rol le r pro vide s fiv e use r -sel ectabl e men us nee ded t o view op era ti ng da ta an d en ter se tpoi nts f or th e syste m (see Fi gu re 4- 6)[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 49 Chapter 4 : E2 Controller 4. 2.3 Displa y V ari ables The user int er face display panel provides screens with three dif feren t forms of both the read - only and the modifiable variables: • Numbers are displayed as positive (+) or negative (- ) integers. • Dua[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 50 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4. 2.5 Modi fiable V ar iables Figure 4 -9. Mo difiable variable . Pressing the Ente r key accepts the value display e d and advances the cursor to the next modifiable field. Y ou can use the Up or Down k ey to modif y the values of these [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 5 1 Chapter 4 : E2 Controller Ope ra tors wh o are a llo wed ac ce ss to th e Servic e me nu (Lev el 2) f or ex amp le , mu st kno w the pa sswor d to ent er th at le ve l. If th e en te red pa sswo rd eq ual s or ex ce eds th e lev el re que sted d uri ng a g ive n s[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 5 2 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller NOTE: Y ou may turn the A / C unit on and off at any time by pressing and holding the Ent e r key for 3 seconds. Other status messag es that may appear at the bottom of the screen are: “ OFF by re mot e sh ut down ” i ndi cat es th e [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 53 Chapter 4 : E2 Controller Figure 4 - 1 4 . Flashing c urs or . C hange the " 0 " to " 1 " (or to the current Con trol menu password if it was changed in the Ser vice menu) with the U p arrow k ey and then pres s the Enter ke y to accep t the pas[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 54 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 8. Obser ve the indicat or s ymbols in the Main screen to determine if the unit is operating in the required mode (s ). 9 . One t o six ho urs m ay be re qui re d to se e the des ir ed te mpe rat ur e / hu mi dity le vel in th e con di tio[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 5 5 Chapter 4 : E2 Controller Figure 4 - 1 8 . C ontrol input s and output s. The E2 contr o ller contin ually analyzes the demand for cooling, humidifying, and d ehum idif ying again s t the control setp oints and determines the appropriate response (control output s[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 56 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.4 . 1 . 2 Proportio nal / Integ ral ( P / I ) Cont rol The contr o ller calculates propor tional control output signal (s ) based on the analysis of input sign als and then determines the air conditioner’ s requir ed mo de (s) of opera[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 57 Chapter 4 : E2 Controller Fig ure 4 - 1 9. D ew po int co ntro l. 4.4 .3 Operat ing Con figur ati ons The operating configur ation for the controller depends on what t yp e of air conditioner is b eing control le d (that is, A R, CW , W / G ) an d wha t fe at ur es[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 58 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.4 .3.2 Wat er – W / G Operat ion Whe n the syst em i s tu rned on , th e con tr oll er act iva tes th e fl uid su ppl y con tr ol v alv e with a p ropo r ti ona l / in teg ral ( P/ I ), 0 – 1 0 VDC si gn al . The va lve open s pr opo[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 5 9 Chapter 4 : E2 Controller 4.4 .4. 1 Independent F an Speed Cont rol The syst em c on tro lle r ma y be co nfi gu red f or in depe nde nt, v ari abl e fa n spee d con tr ol f or ma nag in g uppe r , mi ddl e, an d low er z one cooling . T he controller contin ually [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 60 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller “ C ontrol” allows modification of basic contr o l parameters such as setpoints and clock. Level 1 password is needed to ent er this menu. “ Servic e ” al lows modi fica tio n of adv an ced c ont rol pa ra met ers s uch as o ffsets[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 6 1 Chapter 4 : E2 Controller 4.5.2 Inform ation Men u Loop The Info menu screens may be acc e ssed from the Main screen by simply scrolli ng with the Up and Dow n arr ow k eys . The sa me sc reen s ma y al so be vi ewe d if yo u en te r the In f o men u by pr ess in [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 62 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller Y ou m ay lo ck an y of the sta tu s di spl ay sc ree ns, b ypas sin g the d isp lay scr een ti me- ou t fu ncti on. Th is is so met imes u sef ul t o mai nta in vi sib il ity to a sp eci fic sc ree n when t esti ng, mak ing adj ustm en t [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 63 Chapter 4 : E2 Controller 4.5.2. 1 0 EHGB S t at u s Di spl ays th e cu rre nt op era ti ng pos it ion o f the el ectro nic ho t ga s byp ass v alv e. The c urr en t suct ion t empe ra tu re ap pea rs belo w . The ba r ga uge ne xt to th e va lve ico n pro vid es a[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 6 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.5.3 Alarm L o g Figure 4 - 23. A larm L og s creen. No pass word is required to v iew alarm display mess ages. If an alarm condition occurs, the first acti ve alarm may be display e d by pressing the key . The alarm screen display text [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 65 Chapter 4 : E2 Controller 4.5.3.4 Alarm Scr een Me ssages T able 4 - 3. Alarm screen message s. Alarm Rele a se De sc rip tion o f Ala rm Co ndi tiio n High Temperature Air tem perat ure i s ab ove use r-de fine d ala rm set point . Low Temperature Air tem perat ur[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 66 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller Figure 4 - 24. Con trol menu loop. 4.5.4 Cont rol Menu Loop Fr om th e C ont rol Menu , yo u ma y sele c t f rom f our sc ree n men us: Se tpoi nts , Al arm Set poi nts, C lock , and V ersi on. Th e con tr oll er ma y be p rog ram med by t[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 67 Chapter 4 : E2 Controller 4.5.4. 1 Setpoint Scr eens Figure 4 - 25. S et screen. The Setpoints ( SET ) screens b elow may be acc e ssed from the Con trol menu. Figure 4 -2 6. T emperature / Humidit y Setpo int screens. The T emp era ture and Humidit y S etpoint scr[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 68 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller Whe n fa ns ar e no t li nk ed , the co nt rol ler ad ju sts the spe ed of ea ch f an as nec essa r y f or th at z one t o mee t the su ppl y air te mpe ra tur e set poi nt . When th e syste m is i n the de hum id ifi cati on mod e, th e f[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 69 Chapter 4 : E2 Controller Figure 4 -3 3. Low humidit y alarm. Following the alarm enable screens are the alarm of fset screens. From these screens, you may adjust of fsets for the high and low al arm setp oin ts at wh ich t he al arm wi ll be ca nce lle d. Th e en [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 7 0 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller Di r t y F ilter Ti mer F ig u re 4- 36 . D i rty f i lt e r t im er . This screen allows you to enable the dir t y filter notification timer , which provides an alarm indication when it’s time to clean or change the air filter . The fi[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 7 1 Chapter 4 : E2 Controller Figure 4 - 4 0. Ser vice menu loop selec tions. 4.5.5. 1 Humidity The cut - in / cut-out offset s for the Dehumidification mod es may be adjusted from the Ser vice> Humid menu. Figure 4 - 4 1 . Humidit y scre ens.[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 72 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.5.5. 2 Alarms Figure 4 - 42. A larms scree ns. A log of events is stored for view from the Ser vice> Alarms menu. This menu displays the last 50 events sequential l y numbered in order of occurrence . The alarm log is cleared by press[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 73 Chapter 4 : E2 Controller 4.5.5.3 Sensors Figure 4 - 43. S er vice> Sensor s screen. From the Ser vice>S ensors menu, you may access multiple displa y screens to enter of fset s for calibra ting the unit’ s various temperature , humidity , and pressure sens[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 7 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.5.5. 4 Blower Figure 4 - 45. Blower scre en. From the Ser vice> Blower m enu , you may access screens to view and adjust the blower sp eed paramet er s. T emp Zone Set up Figure 4 - 46 . T emp eratur e zone s etup s creen. If y our u[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 7 5 Chapter 4 : E2 Controller Figure 4 - 4 8. F ans will run at 60 % of full spe ed during dehumidi fic ation. If t he Deh um Sp eed is se t to 80%, the lo wer f an wi ll ru n at 7 5 % du rin g deh umi di fica tio n as it i s lim it ed by th e maxi mu m spee d setting [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 7 6 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller < Reser ved > = For futur e use. DO N OT selec t this control method. “ Auto on powerup ” If set to O n, the A / C unit turn s on automatical l y w hen main power is applied. “ Auto on remote ” If set to On, the A / C unit m[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 77 Chapter 4 : E2 Controller EX AM PLE 1: T emp erature Of f set Multiplier With the defa ult cut-in of fset for temperatu re at 2 .0 ° F , a multiplier of 1 .0 x 2° F = 2° F . This m eans the unit will begin o perati ng in t he co oli ng mod e at 7 4.0° F (Set po[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 7 8 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller NOTE: Display screens shown w ith a dashed border appear only if the applica tion feature is enabled. Custom Al arm Setup (Option al) The E2 contr o ller may b e enabled to activate a Cu s tom A larm output and energize a designated N.O. [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pag e 79 Chapter 4 : E2 Controller T able 4 -5. Alarms 9 to 1 6. Number Descri ption Bitmas k Defaul t 9 Filter alar m 1 0 10 Fire / smo ke alarm 2 2 11 Water dete ction ala r m 4 4 12 Con den sat e p an alar m 8 8 13 Circuit low pr essure alarm 16 16 14 Circuit high pr ess[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 80 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller T able 4 - 7 . Alarms 25 to 32 ( Sensor fa ilure alarms) . Number Descri ption Bitmas k Defaul t 25 Lower temperature sensor fai l 1 1 26 Middle temperature sensor fai l 2 2 27 Optional temperature sensor fail 4 4 28 Upper temperature sens[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 8 1 Chapter 4 : E2 Controller T able 4 -9. Alarms 4 1 to 4 8. Number Descri ption Bitmas k Defaul t 41 Sy stem Of f 1 0 42 BMS kee p ali ve off 2 0 43 Custom er a larm 2 4 0 44 Custom er a larm 3 8 0 45 Flo w s witch ala rm 16 0 46 Reserved 32 0 47 Reserved 64 0 48 Re[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 82 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.5.5.6 D igital In Figure 4 -58. Digiral In screens. The Ser vice> Digital In screen is provided for informa tion only . It shows the state of each digital input as either Closed (+2 4 V ) or Ope n ( G nd). 4.5.5. 7 Run Ho ur s Figure [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 83 Chapter 4 : E2 Controller 4.5.5.8 BMS Comm unicat ions Figure 4 - 60. BMS C ommuncations screens. The Ser vice> BMS C omm menu is used to set up parameters to allow a B MS ( BAS ) to interface with the con troller . Se e S ection 4. 7 . 2 for a description of th[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 8 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller T able 4 - 1 0. Factor y d ef ault setpoints. Parameter Def ault Valu e T em perature S etpoint 72° F Compre sso r Cut- i n 74 ° F Compre sso r Cut- o ut 72.3 ° F Mini mum Fan Sp eed 40% Ma ximum Fan Spe ed 10 0 % Dehumidification Fan [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 85 Chapter 4 : E2 Controller 4.6 Commu nicat ion with t he Contr oller It i s poss ibl e fo r the E2 c on tro lle r to c omm un ica te i n mul tip le wa ys. The c ont ro lle r ma y be set up t o use a pLAN netwo rk t o lin k with additional E2 control ler s to create [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 86 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller One c on tro lle r ma y be des ign at ed as th e wor k gro up le ad a nd ne t wo rk ed wi th th e con tro lle rs fr om a ser ies of u p to 7 ad dit ion al A / C units. If configur ed for multi-unit op eration , the work group lead controll[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 87 Chapter 4 : E2 Controller A work group should AL WA YS s tar t with controller address 1 and go up from there . DO NOT skip over con troller addresses. The list of suitable cont roller /display terminal address pairs is shown b elow: T able 4 - 1 1 . C orresponding[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 88 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.6. 2.2 Confi gure the C ontro ller ( I / O Board) pL AN Address Immediately af ter turning power back on, press and ho ld the Alarm and the up -arrow k eys si mu lta neou sly f or 1 0 to 1 5 seconds. First you w ill see a display mess ag[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 89 Chapter 4 : E2 Controller 8. Enter the field “ Ok ? N o, ” choose ”Y es“ using the up -arrow and down -arrow keys and confirm by pressing Ent er to save the data and exit the group setup procedure. 9. Referring to the wiring diagr am provided with your A / [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 90 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller Figure 4 - 73. Firmware ve rsio n. T o exit the Net work S t atus loop, pres s Enter . The nex t step is to acc e ss the Factor y > Group screens used to configur e the work group paramet er s ( Sec tion 4.6.2.6). 4.6 . 2.6 Co nfigure W[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 9 1 Chapter 4 : E2 Controller Fi gu re 4- 7 6. F acto r y> Gr oup s> Gr oup s C on fig (Sc reen 1). (See T able 4- 1 2 .) T able 4 - 1 2. Factor y > Groups> Groups Conf ig ( Screen 1 ) parameters. Disp lay Descri ption Desc ripti on Var iable s Defaul t Un[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 9 2 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller T able 4 - 1 3. F a ctor y > Group> Group Rotation (Screen 2) parameters. Disp lay Descri ption Desc ripti on Var iable s Defaul t Force Rotation This field only appears on the lead con troller . If you select “On ” and press ( [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 9 3 Chapter 4 : E2 Controller T able 4 - 1 5. Factor y > Group> Capacity A ssist (Screen 4 ) paramet er s. Disp lay Descri ption Desc ripti on Var iable s Defaul t Humid C ut in Enter relat ive humid it y s etp oint off set for humi dif yin g c apaci t y as sis [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 94 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller T able 4 - 1 7 . Group alarms 1 to 8 . Number Descri ption Bitmas k Defaul t 1 Humidifier 1 0 2 Pump 2 0 3 Custom er a larm 1 4 0 4 Circuit 1 hi gh p res sure 8 0 5 Circuit 1 l ow p res sure 16 0 6 DX l o cko ut 32 0 7 Humidifier lockout 6[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 95 Chapter 4 : E2 Controller T able 4 - 1 9. Group alarms 1 7 to 24. Number Descri ption Bitmas k Defaul t 17 High temp erature 1 0 18 Low temp erature 2 0 19 High humidit y 4 0 20 Low humidit y 8 0 21 Hig h wat er te mpe rature CW1 16 0 22 Low wate r te mper ature CW[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 96 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller T able 4 - 2 1 . Group alarms 33 to 4 0. Number Descri ption Bitmas k Defaul t 33 Stati c ai r pr essu re 1 0 34 Differential air pressure 2 0 35 Dew point 4 0 36 Air speed 8 0 37 Reserved 16 0 38 Reserved 32 0 39 Reserved 64 0 40 Reserved[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 9 7 Chapter 4 : E2 Controller F act or y> Gr ou p> Gr oup S tat us (Sc reen 8 ) pr ovi des an o vervie w of th e cur ren t du ty stat us f or al l th e A / C un its c omb ined in th e group. T able 4 - 23. F ac tor y> Group> Group Statu s ( Screen 8 ) para [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 98 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller The Ser vice> Options> Group Setup screen allows you to selec t the work group dut y assignment for the A / C unit . T he dut y must be assigned for each grouped A / C unit at its loc al display terminal . En ter the number of days b[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 99 Chapter 4 : E2 Controller The Ser vice> Options> Group Sensors screen allows you to selec t whether to contr ol the A / C workgr oup using the T/ H sensors c onn ected t o ind ivi dua l A / C u nits ( Lo cal) or c on tro l the wo rk gr oup u sin g netw ork se[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 0 0 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller Gro up Sensor V alues This displays the curre nt group temperature and hum idit y contr ol values tran smit ted from th e Lea d con tr oll er . Th e fiel d bel ow di spl ays the se lecte d co ntr ol T/H sen sor ar ra nge men t (lead, av[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 0 1 Chapter 4 : E2 Controller The number shown for Unit 2 is three , the result of adding 1 + 2 . T his confirm s that Unit 2's supply temperat ure and return humidi t y sensors are detec ted by the lead controller . I f a one appeared instead for Unit 2, it wo[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 02 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4. 7 . 1 Direct BMS Cont rol The c ont rol le r may be co nfi gu red t o ac cep t pr oporti ona l an alo g sig na ls th at mi mi c a sen sor . Th e con tr oll er wi ll act on th at si gn al whether it comes from a real sensor or a BMS an[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 1 03 Chapter 4 : E2 Controller 4.8 T roubl e shoot ing the C ontro l I / O Module Si gnal LE Ds The E2 c ont rol I / O mod ule i ncl ude s thr ee si gn al LE Ds (re d, y ell ow , and gr een) tha t pr ovi de in fo rma tio n on th e oper at ion o f the c ont rol mo dul e[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 0 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.9 BMS P ara meters , V ersion 1 . 2 T able 4 - 27 . B MS parameters. Sup po r te d Pro toco ls Sp eed Media C onnec tion Notes BACnet over IP 10 M b p s 10 B A S E -T R J - 45 dire c t uni t co nnec ti on Uses BMS addresses BAC net ov[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 05 Chapter 4 : E2 Controller 4.9 . 1 Signed V alues fo r HT TP , SNMP / Modbus Hold ing Regi s ters / Anal og V alues fo r BA Cnet T able 4 - 28. Signed Values for H T T P , SNMP / Modbus Holding Registers /A nalog Val ue s for BA Cnet. BMS Addres s Modbu s Addres s[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 0 6 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.9 . 2 Unsig ned V alues for HTT P , SNMP / Modbus Holdi ng Registers / Anal og V alues fo r BA Cnet T able 4 - 29. Unsigned V alues for HT TP , SN MP / Modbus Holding Re gisters / Analog V alues for BAC net. BMS Addres s Modbu s Addre[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 0 7 Chapter 4 : E2 Controller V aria ble / V al ue De scr iptions T able 4 - 3 0. Vari able / V alue Descriptions. Var iable Descri ption Description for Value 0 Description for Value 1 Description for Value 2 Description for Value 3 Description for Value 4 Descript[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 0 8 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.9 .4 Alarm P ack ed Bit V ari ables T able 4 - 32 . A larm- Pack ed Bit V ariables. Bit Al arm s 1 Al arm s 2 Alar ms 3 0 Emergency shutdown M iddle fan alarm Reserved 1 Remote shutdown U pper fan alarm Reserved 2 Custom er A lar m 1 [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 09 Chapter 4 : E2 Controller 4.9 .5 Sensor F ail ure Pac k ed Bit V aria bles T able 4 - 33. Sensor Fail ure Pack ed Bit V ariables. Bit Se ns or Fail ure s 1 Senso r Failur es 2 0 Middle temperature Reserved 1 Upper temperature Reser ved 2 Lower temperature Reser v[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 0 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.9 .6 Dig ital Input P ack ed Bit V ari ables T able 4 - 3 4. Digital Input Pack ed Bit Va riables. Bit Di git al In pu ts 1 D igit al I npu ts 2 0 Remote shutdown Custo mer alar m 2 1 Custom er a larm 1 Cus tome r ala rm 3 2 Wate r Re[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 1 Chapter 4 : E2 Controller 4.9 .7 D igital Out put Pack ed Bit V ari ables T able 4 - 35. Digital Output Pack e d Bit Va riables. Bit Di git al Ou tp ut s 1 Di git al O utp ut s 2 0 Global alarm Reser ved 1 Custom alar m 1 Reser ved 2 Master fan enable Reser ved [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 2 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 4 : E2 Controller 4.9 . 8 Unsi gned V alues f or HT TP , SNMP / Mo dbus Hol ding Reg is ters /A na log V al ue s for B A Cnet T able 4 - 3 6. Unsigned V alues for H T T P , SN MP / Modbus Holding Registers / Analog V alues for BAC net. BMS Addres s Modbu[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 3 Chap ter 5 : M ainten ance 5. Mainte nance 5. 1 Per iodic Gener al Ma intena nce Systemat ic, periodic general main tenance of the Cold Row unit is requir e d for optimum sy stem p erformance . General ma in te nan ce sh oul d in clu de , but i s not l imi ted t[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chap ter 5 : M ainten ance F Fgure 5 - 1 . Clea nable filters. C lean the filter media usin g a vacuum cleaner , low- pressure compressed air , or rinse with water . A mild detergen t such as dish washing liquid may be used. DO NOT use sol ven t s or cleanin g a[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 1 5 Chap ter 5 : M ainten ance 5. 1 . 1 . 2 Car tr idge Fi lters Re pla cea ble ca r tr idge fi lt ers a re he ld in pla ce b y an en d cap in th e bott om o f the re ar ac ce ss pan el . L a y the ac ce ss pan el do wn on a piece of cardboard and remove the four sc[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 6 72 4 - 7 4 6 -5 50 0 | black box.c om Chap ter 5 : M ainten ance 5. 1 .6 A / C System C heck the refrigeran t sight glass on a month l y basis while the unit is running and ensur e it is free of bubbles. Bubbles in the sight glass indicate a low refrigeran t charge or a clogg ed filter - drier . C h[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 7 Chap ter 5 : M ainten ance Sym pto m : Control is erratic. Probable C ause : Wir ing i mpr oper ly c onn ected or br ok en . Recom menda tion : C he ck w iring against elec trical drawing. Sym pto m : C ompr esso r fa il s to sta r t Probabl e Causes / Recommend[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 1 8 72 4 - 7 4 6 -5 50 0 | black box.c om Chap ter 5 : M ainten ance Sym pto m : Water – water/ glyc o l valve fai ls to o pen or clos e . Probabl e Causes / Recommendat ions : a. T emperature setpoint too high. Adju s t to correct temperatur e set ting. b. N o control p ower to the valve. Va l ve ac [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 1 9 Chap ter 5 : M ainten ance Sym pto m : N oisy compressor . Probabl e Causes / Recommendat ions : a. Expa ns ion v alv e stu ck i n open pos it ion (a bnor ma lly c old s uctio n li ne). E nsu re f eede r bul b is ti gh t on su ction l ine . C heck operation and [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 2 0 72 4 - 7 4 6 -5 50 0 | black box.c om Chap ter 5 : M ainten ance 5.3. 2.3 Refr igera nt Pipi ng Whe n rep lac in g com pon ents wi thi n the cabi net o f the un it, th e fo llo win g co ns uma ble ma te ria ls a re r ecom men ded: Whe n br azi ng copper -to- copper connec tions ( piping liquid line [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 2 1 Chap ter 5 : M ainten ance 5.3.3. 2 Sta ndard Cl eanout Pr o cedu re 1 . T urn of f power to unit at the main power disconnect switch. 2 . Remove the old compressor and install the new compressor . 3 . Rem ove th e li qui d li ne dr ier an d in stal l an o vers [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 22 72 4 - 7 4 6 -5 50 0 | black box.c om Chap ter 5 : M ainten ance INLET RING INLET RING M6 HE X BO L T S — T WO PER SI DE FA N POWE R / C ONTROL C ONNECT ORS M5 HE X BOLTS — T WO PER SI DE Figure 5 -3 . Fan. 5.3.4. 2 Condensate P ump Replac ement The condensate pump is lo cated behind the lower ca[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om P age 1 23 Chapter 6 : T rouble shooting 6. T rouble shooting Bl ack Box pr ovi des its c ust ome rs with T ec hn ical S uppo r t t hat no t on ly pr ovi des t ech nic al su ppo r t an d parts bu t al so th e fol lo win g additional ser vices, as reques ted: • Performanc [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 2 4 72 4 - 7 4 6 -5 50 0 | black box.c om Chapter 6 : T rouble shooting Quotes are given for specified listed par t s for a specific unit. A 2 5 % min im um r est ocki ng c har ge wi ll be ap pli ed on re tu rned stoc k ed parts t hat we re sol d as sp ar e /rep la cem ent pa rt s. If th e re tu rned pa[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Page 1 2 5 Appendix A : Forms Appendix A. Forms A . 1 Check list for Comp leted Inst al lat ion of C old Row D X 1 . P ro pe r c l ea r an c es fo r se rvi ce ac c ess h av e b ee n m a in ta in ed ar ou n d e qu i pm en t. 2 . E q ui p me nt i s l ev el an d mo un ti ng f [...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 2 6 72 4 - 7 4 6 -5 50 0 | black box.c om Appendix A : Forms A .2 Period ic Genera l Maint enance C heck s and Services Check list for Col d Row D X D a t e: ____________________________ P r e p a r e d B y : ___________________________ M o d e l N u m b e r : ____________________________ S e r i a l N [...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 2 7 Appendix B : Glossar y: Defi nit ion of T erms and Acr onyms Appendix B. G lossar y : Defin iti on of T erms and A cron yms BTU / Hr: British Thermal Units per hour CFM : C ubic feet per minut e C N D C T: C onduc tor CW: Chilled water DX : Dire c t ex pansion E[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 2 8 72 4 - 7 4 6 -5 50 0 | black box.c om Appendix B : Glossar y: Defi nit ion of T erms and Acr onyms VDC : V o lt, dire c t curre nt WG : Wat er Glycol[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 29 NO TES[...]

72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 30 72 4 - 7 4 6 -5 50 0 | black box.c om NO TES[...]

72 4 - 7 4 6 -5 50 0 | black box.c om 72 4 - 7 4 6 -5 50 0 | black box.c om Pa ge 1 3 1 NO TES[...]

72 4 - 7 4 6 -5 50 0 | black box.c om About Bl ack Bo x Black Box provides an ex tensive range of net working and infr astruc ture produc ts. Y ou’ll find ever y thing from cabinets and racks a nd po w er an d su r ge pr o te cti on pr od u cts t o m ed i a c on ve rte rs an d E th er ne t swi t ch es a ll s up po rte d by f re e , l iv e 2 4 /7 [...]