AMX ViewStat manual

Operation/Reference Guide Product Category ViewStat Communicating Thermostat Last Rev ised: 5/16/ 2008[...]

AMX Limited Warr anty and Disclaimer AMX Corporation warrants its products to be free of def ect s in material and workmanship under normal use for three (3) years from the date of purchase from AMX Corporation, with the following exc eptions: • Electroluminescent and LCD Control Panels are warranted for three (3) years, except for the display an[...]

Table of Contents i V iewStat Communicating Thermostat Table of Contents Product I nformation ....... .......... ............ ......... ........ ......... ........ ......... ............ ....... 1 Introducti on ........................ .................... .............................. .............................. ...... 1 System Co mponents .. [...]

ii ViewStat Communicating Thermostat Table of Contents Address the Therm ostats and Se t Highes t Address ..... .................... ....................... 24 Wiring D iagrams ......... ............................. .............................. .................... ............. 26 Single -stage furnace and AC configuratio n. ... ......... .....[...]

Table of Contents iii V iewStat Communicating Thermostat Operatin g the Thermostat ........ ......... ........ ............ ......... ............ .......... ....... ..... 57 Front Panel Co mponents .... .................... .............................. .............................. .... 57 Message Displ ay ......... ............... ........... [...]

iv ViewStat Communicating Thermostat Table of Contents[...]

Produc t Info rmation 1 ViewStat Communicating Thermostat Product Information Introduction The V iewStat Communica ting Thermostat (FIG . 1) operates si milarly to a conventional thermostat but has the unique capability o f being controlle d, either locally or remotely from a NetLinx or L andmark control system. The V ie wStat is compatibl e with a[...]

Product I nformation 2 ViewStat Communicating Thermostat System Components The comp onents in a complete V ie wStat system (including option al accessor ie s) are listed below: ViewStat Specifications System Components Compon ent Name Descri ption ViewS tat (VST) Communicating thermostat VST -TTM T emperature s upport module (optional) VST -TRH T e[...]

Produc t Info rmation 3 ViewStat Communicating Thermostat Support Module Specifications There are two type s of support module s a vailab le for the V iewStat:  V S T- T T M Te m p e r a t u r e M o d u l e : The VST -TTM support modu le of fers versatility in climate contro l. A set of onbo ard dip sw itches on th e VST -TTM circ uit board a ll[...]

Product I nformation 4 ViewStat Communicating Thermostat The V iewSta t support s up to four Suppor t Modu les, and ca n displ ay any one of the f ollowing:  The remote temper ature on support mo dule ad dress 1 if it s mode is set to "Control".  The average temp eratu res of all supp ort modul es set to "Control " mode. ?[...]

Produc t Info rmation 5 ViewStat Communicating Thermostat HVAC System Pre-Ins t allation Check List Before ge tting sta rted, de termine w hat type of heating sy stem is/wi ll be inst a lled i n the h o use. Th e n us e the follo wing table to determine if the proper numbers of wires are av ailable, depe nding on the HV AC System type. HVAC System [...]

Product I nformation 6 ViewStat Communicating Thermostat[...]

ViewStat Installation and Wiring 7 ViewStat Communicating Thermostat ViewStat Installation and Wiring This section co vers the installation, wiring and check out of a V ie wStat Communicatin g Thermostat Syst e m. Disconnecting Power to All HVAC Equipment Since the V ie wS tats are wired direc tly to the HV A C equ ipment, th e power must be shut o[...]

ViewStat Installation and Wiring 8 ViewStat Communicating Thermostat Removing the Faceplate from the Base No tools are required to disassemble the thermostat – just use your ha nds to pull the front panel of f of the base (FIG. 2). While ho lding the base of the thermostat, a pply pressure to the base o f the latch with your thumb ( FIG. 3). Both[...]

ViewStat Installation and Wiring 9 ViewStat Communicating Thermostat Setting the DIP Switch Set the DIP switch locat ed on th e thermosta t circuit boa rd (FIG. 4 ) according to the appl ication n eeds (see the DIP Switc h Settings table belo w for detail s ). The follow ing table shows what each switch corresponds to depending on position. Switch [...]

ViewStat Installation and Wiring 10 ViewStat Communicating Thermostat Attaching the MiniVe rter to the ViewStat Before attaching the MiniV erter to the rear of the V iewStat, connect the wi ring, as described bel ow: 1. Detach the faceplat e from the base of t he V iewStat. 2. Pull the st ripped/tinned wir e s throug h the cutout i n the ce n ter o[...]

ViewStat Installation and Wiring 11 ViewStat Communicating Thermostat 9. Connect the Cat-5 RJ-45 connecto r on the MiniV erter to the Control System (Master or ICSNet Hu b ). Wiring the VST-TSTAT to a VS T-DIST Distribu tion Pane l The opt ional VST -DIST Dist ribution Panel (not incl uded) conn ects to up to eight VS T - TST A T thermosta ts, prov[...]

ViewStat Installation and Wiring 12 ViewStat Communicating Thermostat Mounting the Base to a Wall There are four screw holes located on the base of the thermos tat; two are for a junctio n box mountin g, along with two for alternate mo unting spacing. Use one of th e hole s on the top and one on the b ottom. 1. Place the base over the wire hole ope[...]

ViewStat Installation and Wiring 13 ViewStat Communicating Thermostat 3. Fasten the base to the wall with the supplied screws. 4. Seal wire e ntry u s ing cau lk, dryw all putty or insulation. Connecting the Vi ewStat to AMX Control Sy stems When a Mini V erter is used the V iewstat has a s ingle RJ -45 jack on the re ar pane l, and uses IC SNet ca[...]

ViewStat Installation and Wiring 14 ViewStat Communicating Thermostat Connecting to an Axcess Control System (via AXC-232++, AXB- EM232, or Axcent3/ PRO) T o connect the V iewStat to an Axcess control system via an Axce ss Cardframe (cardframe mu st be equipp ed with an AXC-232 232/422/48 5 Control Card), AXB-EM232 E n hanced Master , or Axcent3(PR[...]

ViewStat Installation and Wiring 15 ViewStat Communicating Thermostat Connecting to an Axcess Master Con troller via the RS232/422/485 ( D B-9) Port The ta ble belo w lists the connector pins, signal type s, an d si gnal fu nctions for R S-232/RS- 422/RS- 485 DB-9 (male) connect or on an Axcess Master Con troller (i.e. Axce nt3 or Axcent3/ PR O). F[...]

ViewStat Installation and Wiring 16 ViewStat Communicating Thermostat Connec ting to NetL inx Integ r ated Contr ollers via the RS232/4 22/485 (DB- 9) Po rt The ta ble belo w lists the connec tor pins, signal types , and si gnal functio ns for RS-23 2/RS-422/R S- 485 DB -9 (male) connect or on an NetLinx Int egrated Controllers (i.e. NI-20 00/3000/[...]

ViewStat Installation and Wiring 17 ViewStat Communicating Thermostat Connecting to a NetLinx Mast er controller via NXC-COM card The V iewstat can connect to a Net Linx NXF Cardframe or NXI equi pped with a NXC-COM Dual COM P ort Control Card. The follo wing table sho ws the card edge pi n out information for th e NXC-COM card. FIG. 11 shows th e [...]

ViewStat Installation and Wiring 18 ViewStat Communicating Thermostat Connecting to a LandMark Cont rol System PhastLink cables are used to connect al l Phast Link-co mp atible devices, in cluding keypads, dimmers , J-box IR devices, ampli f iers, aud io switches, etc . The ta ble belo w lists the RJ-45 pin out informatio n. PhastLink us es a stan [...]

ViewStat Installation and Wiring 19 ViewStat Communicating Thermostat Connecting to a Landmar k Control System T o con nect a single V iewStat to a Land mark control syste m , use PhastLink cabling to con nect th e RJ-45 jack on the V iewStat to any av ai lable Phast Link jack on the Lan dmark Mast er (MCU). The maximum ca bling distance be tween t[...]

ViewStat Installation and Wiring 20 ViewStat Communicating Thermostat Wiring the Thermostat 1. Strip 1/4" (0.63 cm) of insulation fro m each wire to be used. 2. Secu re wires into t h e ter minals on the base accor ding to the appropr iate w iring diag ram, as de scribed in the follo wing table. Refer to the W iring Diagrams sect ion on page 2[...]

ViewStat Installation and Wiring 21 ViewStat Communicating Thermostat Connecting the ViewStat to the HVAC System 1. Make sure the HV A C system power is of f. 2. The follo wing figures (FIG. 14, FIG. 1 5) show wiring diag rams for se veral d ifferent HV A C equipment types. Use these d iagrams as a reference on ly . Use color coding where po ssible[...]

ViewStat Installation and Wiring 22 ViewStat Communicating Thermostat b. FIG. 15 shows a typi cal he at/cool wiring schemati c: FIG. 1 5 Typical heat p ump wir ing sche matic RC RH Y1 W1 G O W2 C RSC RSA RSB RSR R REF Y2 B- B+ A+ A- B CAUTION! ENSURE HVAC SYSTEM POWER IS OFF BEFOR E WIRING USE 18-20 G A. THERMOSTAT CABLE. NUMBER OF CONDUCT ORS REQU[...]

ViewStat Installation and Wiring 23 ViewStat Communicating Thermostat Checking HVAC System Operation Use the thermos tat buttons to verify that the thermostat i s controlling the eq uipment operat ion. A checkout procedur e is supplied in the installation instructions su pplie d w ith therm ostat. This proc e dure wi ll verify only that the the rmo[...]

ViewStat Installation and Wiring 24 ViewStat Communicating Thermostat 7. Use the up arrow button to raise the set point 3°F above room temperature. In 5- 10 seconds, the first stag e of heatin g beg ins and the HEA T message icon be gins to flash . If there is a second stage it will begi n in 4 minutes. Heat Pu mp Only: The mess age HEA T -A UX is[...]

ViewStat Installation and Wiring 25 ViewStat Communicating Thermostat 6. After the address has bee n selected, pre ss the Enter b utton to store the address. 7. Use the Scrol l Up and Scroll Do wn buttons to set th e "Numbe r of Stats on the Network" to th e high est address th at will be o n the th ermostat network. Th is will be equal t[...]

ViewStat Installation and Wiring 26 ViewStat Communicating Thermostat Wiring D iagrams Single -stage furnace and AC c onfi guratio n. FIG. 1 8 Single-stage furnace and AC configuration ViewStat (from MiniV er ter) Black (common) Red (power)[...]

ViewStat Installation and Wiring 27 ViewStat Communicating Thermostat Two-stage furnace and tw o-stage AC configur ation. FIG. 1 9 Two-stage furnace a n d two-s tage AC conf iguration ViewStat (from M iniV er t er) Bla ck (common) Red (power) IMPORT ANT! The B terminal i s for reversing valve-heat. DO N OT connec t the B termina l to the common sid[...]

ViewStat Installation and Wiring 28 ViewStat Communicating Thermostat Roof top unit (two-st age heat and two-stage cool) co nf igurat ion. FIG. 2 0 Roof top unit (two-stage heat and two-stage cool ) configuration Vie wStat (fr om MiniV erter) Blac k (common) Red (po wer) IMPORT ANT! The B termin al is for re versing valve -heat. DO N OT con nect th[...]

ViewStat Installation and Wiring 29 ViewStat Communicating Thermostat Boiler w ith AC (t wo transfor mers) configur ation. FIG. 2 1 Boiler with AC (two transformers ) configuration Vie wStat (from MiniV er ter) Black (common) Red (power) IMPORT ANT! The B terminal i s for reversing valve-heat. DO N OT connec t the B termina l to the common side of [...]

ViewStat Installation and Wiring 30 ViewStat Communicating Thermostat Single -stage heat pump configur ation FIG. 2 2 Single-stage hea t pump configuration Vie wStat (from MiniV er ter) Bla ck (common) Red (power) IMPORT ANT! The B termin al is for re versing valve -heat. DO N OT con nect the B termina l to the common side of the tran sformer .[...]

ViewStat Installation and Wiring 31 ViewStat Communicating Thermostat Two-stage heat pump config uration. FIG. 2 3 Tw o-sta ge he at pum p co nfigu ratio n Vie wStat (from MiniV er ter) Bla ck (common) Red (power) IMPORT ANT! The B terminal i s for reversing valve-heat. DO N OT connec t the B termina l to the common side of the tran sformer .[...]

ViewStat Installation and Wiring 32 ViewStat Communicating Thermostat First- s tage rad iant flo or heat, seco nd-sta ge furna ce one sta ge of coo ling con f igur ation. FIG. 2 4 First-stage radiant floor hea t, second-stage furnace one stag e of cooling configuration ViewStat (fro m MiniV erter ) Black (com mon) Red (power) IMPORT ANT! The B term[...]

Suppor t Module I nstallation and Wiring 33 ViewStat Communicating Thermostat Support Module Installation and Wiring Foll ow the guid elines for p lacement of the su pport m odules (as describ ed below), and locate the V iewStat indoor s where the operating range of the V ie wStat (32° - 99°F/0 ° - 37°C) will not be violated (i.e. do not instal[...]

Support Module Installation and Wiring 34 ViewStat Communicating Thermostat 6. Snap the circuit b oard back into the sub-base by sliding the top of the board in first and the n snappin g do wn on the bott om. Check to be sure that the latch holds the board properly . 7. Strip ¼ in c h of in sulation from the fo ur wires at th e suppo rt module . I[...]

Suppor t Module I nstallation and Wiring 35 ViewStat Communicating Thermostat 1. Remov e the thermostat fro m the sub-ba s e. 2. W ire the first sensor us ing th e single support module instruct ions. Daisy cha in the rema ining support module s as shown be low (FIG. 29). 3. Set the VS T -TTM o r VST -TRH Suppo rt Module DIP switches as describ ed [...]

Support Module Installation and Wiring 36 ViewStat Communicating Thermostat DIP switches 1 and 2: Address (1-4) The follo wing diagram sho ws how to set th e top two address DIP switc hes. Each suppo rt module m u st ha ve its o wn address (1-4). DIP switch 3: Temperature Sensor 1 Each supp ort modul e has two senso rs: Sens or 1 and Senso r 2. Det[...]

Suppor t Module I nstallation and Wiring 37 ViewStat Communicating Thermostat Applicat ions Heat Pum p App lications If the su pport m odule is be ing use d with a he at pump thermosta t with auxiliary heat, the therm ostat can b e conf igured to disable the us e of auxiliary hea t during warm weath e r and to lock out the c ompressor whe n the out[...]

Support Module Installation and Wiring 38 ViewStat Communicating Thermostat Troubleshooting Remote Sensors  Thermostat ha s no display: Ch eck 24 V AC supply . Check for incorrect wiring bet ween the thermostat and support modu le. Incorrect wiring can damage the therm ostat and transfo rmer or blow a fuse in the equipmen t. Also, v erify that a[...]

Set Up and Co nfiguration 39 ViewStat Communicating Thermostat Set Up and Configuration The V iewStat has many feature s that can be adju sted to customi ze operatio ns. T empe rature Contr ol Se t Up , Balance P oin t Set Up and Communica tions Set Up , in particul ar , should on ly be adj usted wi th the help of a qualified se rvice tech nician. [...]

Set Up and Configuration 40 ViewStat Communicating Thermostat Network Override Set-Up This ena bles or dis ables the Network Override feature. When Networ k Override ha s been inv oked the thermostat wil l only respond to the butto ns of the thermostat; c ommands sent b y the auto mation system a re ignor ed. Pressi ng the En ter button activates N[...]

Set Up and Co nfiguration 41 ViewStat Communicating Thermostat Security Set-Up This prevents unauthoriz ed individuals from accessi ng Thermostat Set-Up. A code can be setup tha t must be entered to gain en try into Th e rmostat Se t-Up (FIG. 3 5). FIG. 36 shows th e display wh en a password has been activated, and entry into Thermos tat Set-Up me [...]

Set Up and Configuration 42 ViewStat Communicating Thermostat Communications Set-Up This is where the thermostat address is entered. Add itio nally , the total numbe r of thermost ats (or the highest addressed sta t on the network) is ente red here to optim ize comm unication tim ing. Consult a q ualif ied service technici an before changing any of[...]

Set Up and Co nfiguration 43 ViewStat Communicating Thermostat Balance Point Set-Up Balance po ints limit he at pump operati on when the outd oor temperature is too h igh or too lo w . It require s an option al support m odule with an outdoo r temperatu re sen sor . Consul t a qualifie d HV A C service te chnician befor e chang ing any of t he valu[...]

Set Up and Configuration 44 ViewStat Communicating Thermostat FIG. 3 8 Display set-up Show T emp Set pts Next Display Set Up M ore T emper ature Scale ° F ° C F EXIT Back Alway s Show Setpts On ly Mor e If Changed Disp lay Time and Ye s Date ?[...]

Using the NetLinx Module to P rogram the ViewStat 45 ViewStat Communicating Thermostat Using the NetLinx Module to Program the ViewStat AMX_ViewStat NetLin x Module - Overview The V iewStat Commu nicating Th ermostat may be contro lled from a Net Linx system using the AM X_V iewS tat NetLinx mo dule. This mo dule requi res V iewStats to be connect [...]

Using the NetLinx M odule to Program the View Stat 46 ViewStat Communicating Thermostat It is important that t he serial number array be the sam e length as the device array . If the serial num ber array happens to b e shorter , the leng th will be set to that of the de vice array and the ne w members of the array will be set to the value 1. The tw[...]

Using the NetLinx Module to P rogram the ViewStat 47 ViewStat Communicating Thermostat cool setpoi nt would be set to 72. While th e temp erature is wi thin this range nothin g is done. Once the temperatu re fall s outside thi s rang e the system takes action and switches to the appropriate m ode. 5. Humidify/De humidify : Some sy stems can mai n t[...]

Using the NetLinx M odule to Program the View Stat 48 ViewStat Communicating Thermostat Command Interface - SEND_COMMANDs (Cont.) Comman d Descripti on 'T-<stat> FAN?' Query for c urrent fan state. Parameter: • <tst at> : id of thermostat/zone Example: 'T-2 FAN?' 'T-<tstat> FMODE-<val>' Set fa[...]

Using the NetLinx Module to P rogram the ViewStat 49 ViewStat Communicating Thermostat Command Interface - SEND_COMMANDs (Cont.) Comman d Descripti on 'T-<stat> HMODE?' Q uery for current humidify mode. Parameter: • <tst at> : id of thermostat/zone Example: 'T-22 HMODE?' 'T-<tstat> HOLD-<val>'[...]

Using the NetLinx M odule to Program the View Stat 50 ViewStat Communicating Thermostat Command Interface - SEND_COMMANDs (Cont.) Comman d Descripti on 'T-<tstat> LIGHT-<val>' Control backlight on thermostat. Parameters: • <tst at> : id of thermostat/zone • <va l> : 0 = of f 1 = on T = toggle Example: 'T-1[...]

Using the NetLinx Module to P rogram the ViewStat 51 ViewStat Communicating Thermostat Command Interface - SEND_COMMANDs (Cont.) Comman d Descripti on 'T-<tstat> MSG-<text>' Displays text on thermostat window when ME NU is enabled. 'T-<tstat> OUTHUM?' Query for c urrent outside humidity . Parameter: • <tst[...]

Using the NetLinx M odule to Program the View Stat 52 ViewStat Communicating Thermostat String Feedback The NetLinx module will provide feedback to the glue code for V iewStat syste m changes via strin g e ven ts. Below are the strin gs suppor ted. Data coming fro m the modu le will be in the form of strings. Data goi n g to the module will be in t[...]

Using the NetLinx Module to P rogram the ViewStat 53 ViewStat Communicating Thermostat String Feedback (Cont.) Stri ng Desc ription 'T-<stat> FAN-<val>' Reports current fan state. Par ameters : • <tst at> : id of thermostat/zone • <val> : 0 = fan i s off 1 = fan i s on Example: 'T-2 FAN-1' 'T-<[...]

Using the NetLinx M odule to Program the View Stat 54 ViewStat Communicating Thermostat String Feedback (Cont.) Stri ng Desc ription 'T-<tstat> HUMIDIFY-val>' Reports current humidify set point . Par ameters : <tstat> : id of thermostat/zone <val> : 0-97 = humidify point (in percent) Example: 'T-6 HUMIDIFY-30&apo[...]

Using the NetLinx Module to P rogram the ViewStat 55 ViewStat Communicating Thermostat String Feedback (Cont.) Stri ng Desc ription 'T-<tstat> TEMP-<val>' Reports current inside temperature. Par ameters : • <tst at> : id of thermostat/zone • <val> : cu rrent inside temperat ure Example: 'T-4 TEMP-76' [...]

Using the NetLinx M odule to Program the View Stat 56 ViewStat Communicating Thermostat[...]

Operating the Thermostat 57 ViewStat Communicating Thermostat Operating the Thermostat This secti on descr ibes the fro nt panel com ponents , and gives instruc tions for op erating the V iewStat thermostat. FIG. 40 sho ws the f ront panel. Front Panel Components Message Display T wo types of messages are displayed , P er mane nt and Te m p o r a r[...]

Operating the Thermostat 58 ViewStat Communicating Thermostat Fan but ton The fan can be operat ed contin uously (F AN ON) or only when t here is a need to he at or cool. Enter bu tton The Ente r (or Netw ork Override) b utton is used to o verride the home au tomation system, to clear temporary flashing mes sages on the messag e display an d with t[...]

Operating the Thermostat 59 ViewStat Communicating Thermostat Operating The Thermostat Notes on temperature adjustmen ts:  The COOL setting must a lways be a m inimu m of 2° (F or C) h igher than the HEA T setting. Th e thermosta t will autom a ticall y maintain the 2 ° differ ence. F or example, i f the Cooling s et po int is 75°F and one ch[...]

Operating the Thermostat 60 ViewStat Communicating Thermostat – Setting temperatures Press the Up or Down adj ust butto n . The set ting to be changed wi ll begin to fl ash. Press an d hold th e button to chan ge the se tting.  If operating in th e HEA T mode, the o nly temperatu re set point a vailable to change is the Heat setting. Wh en the[...]

Operating the Thermostat 61 ViewStat Communicating Therm ostat[...]

5/08 © 2008 AMX . All rights r eserved. AMX and t he AMX log o are registered trademarks of AMX. AMX res erves the right to alter speci fica tions without notice at any time. It’s Y ou r Wo rld - Tak e Co ntro l™ 3000 RESEARCH DR IVE, RICHARDSON, TX 75082 USA • 800.222.0193 • 469.624.8000 • 469-624-7153 fax • 800.932. 6993 technical s [...]