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INST ALLA TION MANUAL CAUTION: READ ALL SAF ETY GUIDES BEFORE YOU BEGIN T O INST ALL YOUR UNI T . SA VE THIS MANUAL SINGLE P ACKAGE AIR CONDITIONERS AND SINGLE P ACKAGE ELECT RIC UNITS DM090 , 120 and 150 7-1/ 2 TO 1 2-1/2 T ON (380V , 3 Phase, 60 HZ) 035-1731 1-002-A -0803 NOTES, CAUTIO N S AND W ARNINGS The inst al ler should p ay par ticular att[...]

035-17311 -002-A- 0803 2 Unitar y Prod ucts Group T ABL E OF CONTENTS G EN ER AL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SA FE TY C ONS IDE RA TI ON S . . . . . . . . . . . . . . . . . . . . . . . 5 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 RE FE REN CE . . . . . . . .[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 3 LIST OF FI GURE S Fig. # Pg.# 1 UN IT SH IPP ING B RAC KE T . . . . . . . . . . . . . . . . . . . . 10 2 CO NDE NS ER CO V ERIN G . . . . . . . . . . . . . . . . . . . . 10 3 COMPRESSOR SECTION . . . . . . . . . . . . . . . . . . . . . 10 4 PREDATOR ® COMPO NENT L O CATI ON . . . . . . . . . 11 5 [...]

035-17311 -002-A- 0803 4 Unitar y Prod ucts Group LIS T OF T ABLE S Tbl. # Pg.# 1 UN IT VO LTAG E LIM I TATI ON S . . . . . . . . . . . . . . . . . 1 1 2 UN IT TEM P ERA TUR E LIM IT ATI ON S . . . . . . . . . . . . 11 3 UN IT WE IGHT S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 4 6 P OI NT LO AD W EIGH T . . . . . . . . . . . . [...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 5 GENERAL YORK  Predat or ® unit s are single pac kage air cond itioner s desi gned for out door inst allat ion on a rooft op or sl ab and for non-r eside nti al use . T hese uni ts ca n be equipped with fact ory or fi el d instal led electr ic heaters f or heat ing appli cations. These uni ts ar[...]

035-17311 -002-A- 0803 6 Unitar y Prod ucts Group NOMENCLA TURE 6½ - 12½ Ton Predator Model Number Nomenclature Product Cat e gory D = Air Cond., Single Package Product Identi fier M = R-22 Standa rd Efficiency Airflow Installation Options Additional Option s (See Next Page) Product Generation 3 = Third G eneration Voltage 3 = 380-3- 60 Heat Type[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 7 NOMENCLA TURE, ADDI T ONAL OPTIONS: AA None AB Phase Mo nitor AC Coil Gu ard AD Dirty F ilter Sw itch AE Phase Mo nitor & Coil Guard AF Phase Mo nitor & Di rty Filte r Switc h AG Coil Gu ard & Dirty F ilter Switch AH Pha se M o nitor, Co il Gua rd, & Di rty Fi lter S w itch CA CPC C[...]

035-17311 -002-A- 0803 8 Unitar y Prod ucts Group HN Honeywell Exce l 10 Controller , DFS, APS & T ech ni coat Evap. & Cond Coils HP H oneywell Exce l 10 C ontroller , DFS, APS, T echn icoat Evap. & C on d Coils, & Pha se Monit or HQ Hon eywell Excel 1 0 Con troller , DFS, APS, T echn icoat Evap. & C on d Coils, & Coil Guard[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 9 TE T e ch nico at C onde n se r Co il, Ph as e Mo ni to r , & C oi l Gu a rd TF T ech ni co at Con de n ser Co il, Ph ase Mo ni to r , & D irt y Fil te r Sw it ch TG T ec hnic oat Co ndens er Coi l, C oi l Gu ar d, & Dir ty F il ter Swit ch TH T e chni co at Con de n ser C o il, Ph ase [...]

035-17311 -002-A- 0803 10 Unitar y Prod ucts Group INST ALLA TION I NST AL LA TIO N SA FETY IN FORMA TI ON Read t hese i nstruct ions b efore cont inui ng this applianc e inst allat ion. This i s an out door combinati on heating and cool - ing un it. The i nsta ller must assure t hat these i nstru ctions ar e made availabl e to the consum er and wi[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 11 LOC A TI ON Use the fol l o wing guideli nes to selec t a suitabl e locati on for these uni t s: 1. Unit is desig ned for outdoo r instal lation onl y . 2. Condenser coi ls must have an unli m i ted supply of ai r . Where a choice of loca tion is possi ble, posi tion the unit on either nort h or e[...]

035-17311 -002-A- 0803 12 Unitar y Prod ucts Group Units may be moved or lift ed with a forklif t . Slotted ope nings in the base ra il s ar e p rov ided for thi s purp ose. LENG TH OF FORKS M UST BE A MINIMUM OF 60 INCHES. CLEARANCES All u nits req uire par ticular clear ances for pr oper operati on and se r vice . Inst aller must mak e provisio n[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 13 NOTE: A one-in ch clearance must be pro vided bet ween any combus tible mater ial and the suppl y duct w ork for a dist ance of 3 f eet f rom the u nit. Do not permi t overhangi ng structur es or shrubs to obstr uct cond enser air d ischarge out let, com bustion air inl et or vent outl et s. FIGUR[...]

035-17311 -002-A- 0803 14 Unitar y Prod ucts Group . FIGURE 9 - BO TTOM DUCT OPENINGS (F ROM ABOVE) 14- 23/32 16-3/8 18-1/16 19-5/8 63-1/2 7-1/8 17-3/16 19-3/16 21-3/16 6-13/16 32-11/16 6-13/16 6-13/16 27-1/2 18 21 24 Return Air Supply Air Bottom Condensate Entry FRONT Bottom Power, Control and Convenience Outlet Wiring Entries Bottom Gas Supply En[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 15 DUCTWORK Ductwor k should be designed and si zed according to th e methods in M anual D of the Air Cond itioni ng Contractors of Americ a (ACCA) or as recomm ended by an y other re cog- nize d authori ty such as ASHRAE o r SMACNA. A cl ose d re tur n du ct sy ste m sh oul d be use d. T his w ill n[...]

035-17311 -002-A- 0803 16 Unitar y Prod ucts Group Note or ientat ion. Panel i s “insul ation” side up. CONDENSA TE DRAIN The side co ndensate drai n is reversi ble and maybe re- ori- ented t o the rea r of th e cabinet to facili tate condensate pi p- ing. A condensat e drain connect ion is availabl e through the base p an for p iping ins ide t[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 17 THERMOST A T WIRIN G The thermos tat s hould be l ocated o n an i n side wall ap proxi- mately 5 6 inche s above the f loor where it will not be subject to draf ts, su n exposure or hea t from elect rica l fix tures or applia nces. Follo w the ma nufacturer 's instruct ions enc losed with the[...]

035-17311 -002-A- 0803 18 Unitar y Prod ucts Group FIG URE 17 - ELECTRONIC THERMO ST A T FI ELD WIR ING W 2 R C R H Y 1 Y 2 W 1 G C X 1 X 3 X 4 A 1 A 2 T T W 2 Y 1 Y 2 W 1 G C O C C X R T H E R M O S T A T 1 T E R M I N A L S U N I T T E R M I N A L S S T R I P T B 1 1 E l e c t r o n i c p r o g r a m m a b l e T h e r m o s t a t 2 E T 0 7 7 0 0 [...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 19 T ABL E 8: E LECTRICAL DA T A - DM090 (7-1/2 T ON) WITHOUT POWER CO NVENIENCE O UTLET T ABL E 9: E LECTRICAL DA T A - DM090 (7-1/2 TON) WITH PO WER CO NVENIENCE OUTLET FIGURE 19 - FIELD WIRING DI SCO NNECT T E R M I N A L B L O C K T B 1 G R O U N D L U G T H R E E P H A S E P O W E R S U P P L Y [...]

035-17311 -002-A- 0803 20 Unitar y Prod ucts Group T ABLE 10: EL ECTRICAL DA T A - DM120 (10 TON) W ITHOUT PO WER CONVENIENCE O UTLET T ABLE 1 1: EL ECTRICAL DA T A - DM120 (10 TON) W ITH POWER CO NVENIENCE O UTLET T ABLE 12: EL EC TRICAL DA T A - DM150 (12-1/2 T ON) WITHOUT POWER CONVENIENCE OUTLET T ABLE 13: EL ECTRICAL DA T A - DM150 (12-1/2 TON[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 21 OPT IONS/ACCESS ORIES ELECTRIC HEA T ACCESSORIES Elect ric heat ers ar e availa ble as field i nstall ed acc essories. Refer to electr ic heat ins tructio ns for inst allat ion. These hea t- ers mount in the he at c ompartmen t with the hea ting element s exten ding i nto the supply air cha mber .[...]

035-17311 -002-A- 0803 22 Unitar y Prod ucts Group ECONOMIZER The Econom izer can be a fac tory inst alled option or a fi eld inst alled a ccessor y . If fact ory inst all ed, refer to the ins truc- ti ons include d with the ou tdoor air hood to complet e the assem bly . Field i nst alled Economi zer acc essories i nclud e comp l ete ins tru ctio n[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 23 FIGURE 20 - ENT HALPY SET POINT CHART 40 (4) 70 (21) 50 (10) 55 (13) 60 (16) 65 (18) 35 (2) 45 (7) 75 (24) 80 (27) 35 (2) 40 (4) 45 (7) 50 (10) 55 (13) 60 (16) 65 (18) 70 (21) 75 (24) 80 (27) 85 (29) 85 (29) 90 (32) 90 (32) 105 (41) 110 (43) 100 (38) 95 (35) 95 (35) 100 (38) 105 (41) 110 (43) APPR[...]

035-17311 -002-A- 0803 24 Unitar y Prod ucts Group PHASING Predator ® u ni t s are pr operly phased at the facto ry . Check for proper compr essor ro tation. If the bl ower or c ompressors rota te in the wrong dir ect ion at st art-up, the el ectric al connec- tion to the unit is mis phase d. Change the phasi ng of the Fie ld Line Connect ion at t[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 25 T ABL E 17: 7-1/2 T ON S T ANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE * † ESP ‡ TURN S OPEN ** 0123 4 5 CFM W †† BHP CFM W †† BHP CFM W †† BHP C FM W †† BHP CFM W †† BHP C FM W †† BHP 0.2 - - - 3715 157 3 1 .6 9 3634 1434 1.54 3431 1 265 1.36 3 218 901 0. 97 30 24 976 1.[...]

035-17311 -002-A- 0803 26 Unitar y Prod ucts Group T ABLE 19: 10 T ON ST ANDARD MOTOR DOWN SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP 0.2 - - - - - - - - - 38 96 163 9 1 .76 368 8 1 453 1.5 6 3 44 7 12 68 1.36 0.4 4040 2 076 2.23 4 [...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 27 T ABL E 21: 12-1/2 T ON ST ANDARD M OT OR DOWN SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BH P 0.4 5078 363 0 3 .89 480 9 3103 3 .33 459 4 30 53 3. 27 4 360 2478 2. 66 40 90 209 3 2 .2[...]

035-17311 -002-A- 0803 28 Unitar y Prod ucts Group T ABLE 23: 7-1/2 T O N ST ANDARD MOTO R SIDE SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 0123 4 5 CFM W †† BHP CFM W †† BHP CFM W †† BHP CF M W †† BHP CFM W †† BHP CF M W †† BHP 0.4 - - - - - - 3 736 1476 1 .5 8 348 7 1 284 1. 38 3231 1 10 9 1.1 9 300 1 9 70 1.04 0.6[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 29 T ABL E 25: 10 T ON ST ANDA RD MOTOR DOWN SHOT BLOWER PERFORMAN CE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BH P 0.2 - - - - - - - - - 3896 16 39 1.76 3688 145 3 1 .56 344 7 1268 1 .36 0.4 4040 207 6 2 .23 [...]

035-17311 -002-A- 0803 30 Unitar y Prod ucts Group NOTES FOR T AB LE 17 THROUGH T ABLE 28: • Blower perfor m ance i ncludes dry coi l and two-in ch filt e rs. • Blower perfor m ance f or gas heat incl udes the maxi mum number of heat tubes availab le for each t onnage. • ESP (Extern al S ta tic Press ure) give n is that availabl e for the sup[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 31 AIR BALANCE S tart the supply ai r blower motor . Adjust the resi stan ces in both the s upply and the ret urn air duct systems t o balance the ai r distr ib ution th roughout t he condi tioned sp ace . The job spec ificat ions may require t hat t hi s balan cing be done by som eone other than the[...]

035-17311 -002-A- 0803 32 Unitar y Prod ucts Group SUPPL Y AIR DRI VE ADJ USTMENT At unit start-up, the measur ed CFM may be higher or lower than the req ui red CFM . T o achiev e the re quired CFM, the speed of the drive m ay hav e adjusted by ch anging the datum diameter (DD) of t he variabl e pitch motor sh eave as descri bed below: Req uired CF[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 33 OPERA TION SEQUENC E OF O PERA TIONS O VERVIE W For th e Predator ® serie s of unit s , the the rmost at m akes a cir - cuit bet ween " R" and "Y1" for the fir st sta ge of coo ling. The call is pas sed to the Un i t Control Board (UCB) , which then det ermines whether the req[...]

035-17311 -002-A- 0803 34 Unitar y Prod ucts Group COOLING SE QUENCE OF O PERA TION CONTINUOUS BLOWER By setting the room the rmosta t fa n swit ch to "ON," the suppl y air blow er will oper ate continuou sly . INTERMITTENT BLOWER With the r oom thermosta t fan swi t c h set to " AUTO" and t he system sw itch set to ei ther the [...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 35 COOLING OPERA TI ON ERRORS Each cool ing syst em is monit ored for opera tion out s ide of th e int ended par am ete rs. Errors are han dled as descr i bed below . All syst em error s override min imum run times f or compres- sor s . HIGH-PRESSURE LIMIT SWITCH Duri ng cool ing oper ation, i f a hi[...]

035-17311 -002-A- 0803 36 Unitar y Prod ucts Group a compr essor too s oon aft er it s previous r un. Addi tionally , a minimum run ti me is imposed any tim e a co m pres sor is e ner- gized. The ASCD is i ni tiated on unit st art-up and o n any com pr essor reset or lock -out. FLASH CODES The UCB will initia te a f lash cod e a ssociated with err [...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 37 ST AR T -U P (C OOLI NG) PREST ART CH ECK LIST After ins talla tion has been comple ted: 1. Check the ele ctrical suppl y voltage being suppl ied . Be sure t hat it is the s ame as li sted on the unit na meplate. 2. Set the room th ermost at to the of f posi ti on. 3. Tur n unit elect rical power [...]

035-17311 -002-A- 0803 38 Unitar y Prod ucts Group T ABLE 35: 10 TON ST ANDARD EFFICIENCY SUPERHEAT CHARGING Out door Te m p ( ° F ) S uperhe at at C ompres sor Suctio n (° F) Ai rflo w = 4000 CFM Indoor WB T emp (°F ) 55 5 7 59 61 6 3 65 6 7 69 71 73 75 65 19 .6 20.8 2 2.0 23. 2 24. 4 25.6 26. 9 28.4 29.9 3 1.4 32 .9 70 14 .4 16.0 1 7.5 19. 0 2[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 39 NORMAL MAINTENANC E GEN ERA L FIL TERS Inspect once a month . Replace dis posable or clean perma- nent ty pe as neces sary . DO NOT repl ace per m anent type with disposa ble. MOT OR S Indoor fa n an d ou tdoor fan motors are per manentl y lubri cated and requir e no ma in tenance. OUTDOOR COI L D[...]

035-17311 -002-A- 0803 40 Unitar y Prod ucts Group T ABLE 37: U NIT CONTROL BOARD FLASH CO DE S Fl as h Co de De sc rip t ion On Steady C ontro l F ai lure - Rep lac e Cont rol Heart Beat Norma l Oper at ion 1 Fl ash Not Applicable 2 Fla shes Control waiting A SCD * 3 Fla shes HP S1 - Comp re ss or Lo ck ou t 4 Fla shes HPS 2 - C omp ress or Lock o[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 41 COOLING T RO UBLESHOOTING GUIDE On calls f or coo l i ng, if the compressor s are operati ng but the suppl y air blower m otor does no t energi ze after a short delay (th e room the rmosta t f a n sw it ch i s in th e “AUT O” posit ion ): 1. T urn the the rmosta t fan switch to the ON posit io[...]

035-17311 -002-A- 0803 42 Unitar y Prod ucts Group locked out the compr essor f or re peat tri p s. The UCB should be fl ash ing an alarm code. If not , pr e ss and releas e the ALARM S button on th e UCB. The UCB wil l flash t he las t f ive alarms on the LED. If the comp res sor is lock ed out, cancel any call for cool ing. This will r eset any c[...]

035-17 311-002- A-0803 Unit ary Produc ts Gro up 43 9. If 24 volts is pre sent at the UCB Y2 t erminal an d none of the protect ion s wit ches ha ve o pened, t he UCB may have lock ed out the compr esso r for repeat t ri ps. The UCB shoul d be f lashing a code . I f not, press and r elease the ALARMS butt on on the UCB. The UCB will f lash the last[...]

Subject to c hang e without no tice. P rinted in U.S .A. 035-173 11-002- A-0803 Copyright © by Unitary Pr oducts Group 200 3. All ri ghts re served. Super sedes : 035-173 11-001-A-120 2 Unit ary 5005 Norm an Product s Y ork OK Group Drive 73 069 ter minal. If 24 volts i s not pres ent , check for loo se wiri ng fro m t he Y1 “O UT” termi nal t[...]