Z D7 Z D8 Z D D Z Z8 8 Z Z0 0 Z9 9 6 D D D0 D9 D D D6 D Z7 7 D D D9 D0 D D D D D0 D9 D7 D8 D6 D D D W xcellence Without ompromise NTLS IN THNIAL ULLTIN T 7 Models W STMS A & A Leave this bulletin on the job site The STMS control panel will interface with single stage or two stage gas or oil fired furnaces and boilers, with electric air conditioning systems, or two stage heat, single stage cool heat pumps This technical bulletin contains information and wiring diagrams for the ULTA ZN, STMS-A and A control panels Please read and familiarize yourself with the proper wiring diagrams before you start the installation We have compiled these diagrams based on the most frequently asked questions regarding the wiring of these panels The STMS panel will interface with many HVA systems If your particular application does not match any of the supplied diagrams, call the technical support hot line If the system does not operate properly or you experience trouble during the installation, check this bulletin against the field wiring for shorts or mis-wiring If the problem cannot be resolved, then call the technical support hot line The heating and cooling system changeover, emergency heat, and fan operations are controlled by the subbase on the zone thermostat When using thermostats with manual changeover switches (HAT-FF-L) on zones other than zone, make sure all zones are in the same mode at all times If zone system mode is changed, then the other zones should be changed as well, for proper operation Auto changeover thermostats on other zones will eliminate the need for manual changeover Most battery powered or A powered thermostats can be used and wired directly to the panel For even greater comfort and energy savings, setback thermostats can be wired to any or all zones M M M M ZN MT ZN MT V T'FM SSTM H S PN LSD S PN LSD J W-STMS-A ontrol Panel K K K K K K0 K9 NTLS IN nglishtown, NJ NTL SSTM W-STMS-A K7 AUTIN PLAS read all instructions carefully before starting the installation procedures D NT connect to voltages above 0 VA ADDITINAL ZN PANL ZN ZN Warning: ontrol panel does not have any built in time delays The HVA system must have its own or, installer provided time delay relays to prevent system short cycling TAL F NTNTS PA Introduction and Specifications Two stage systems Heat pump systems Two stage wiring diagrams & 6 Heat pump wiring diagrams 7 xpansion panel wiring 8& 9 Transformer and damper wiring 0 & Service notes Diagram overview SPIFIATINS - W-STMS-A Power equirements: volt 60 Hz 0VA Wiring onnections: Screw terminal blocks for thermostat gauge wire Mounting: Mounts with screws and mollies (included) Panel Dimensions: Length: /8" (9mm); Width: 9" (9mm); Depth: /" (mm) M M M M M M ZN MT ZN MT ZN MT V T'FM SSTM H SW PN LSD S PN LSD S PN LSD J W-STMS-A ontrol Panel K K K K K K K0 K9 NTLS IN nglishtown, NJ Z D D Z D7 Z D8 Z D D Z Z8 8 Z Z0 0 Z9 9 D D6 D8 D7 6 D D D0 D9 D D D6 D Z7 7 D D D9 D0 D D D D D0 D9 D7 D8 D6 D D D K7 AUTIN PLAS read all instructions carefully before starting the installation procedures D NT connect to voltages above 0 VA ADDITINAL ZN PANL NTL SSTM ZN ZN ZN - Warning: These panels are designed for use with volts A power Do not use any other voltage! Use caution to avoid electric shock or equipment damage All wiring should be done in accordance with local and national codes P/N 0907A07 V 6 AP 00 opyright W ontrols 999-00 All ights eserved W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-08 7-6-0 FA 7-6-6
TW STA SSTMS PATIN NVNTINAL TW STA SSTM The mode of operation is determined by the position of the system selector switch on the subbase of the zone thermostat Switching subbases are not required on the other zones HAT MD The panel will be in the heat mode when the zone thermostat subbase is in either the "HAT" position or the "FF" position This allows any zone to call for heat, except zone when its subbase is in the off position When a zone calls for heat, the panel closes the circuit from the system "" terminal to the system "" terminal, energizing the first stage heat relay Also in the heat mode, system terminal "" is in constant make to system "" terminal If any zone is equipped with a stage thermostat, when the thermostat makes on the second stage, the panel will also make the system terminal "" to system "" to energize the second stage heat relay L MD The panel is in the cool mode when the zone thermostat subbase is switched to the cool position In this mode any zone can call for cooling When a zone calls for cooling, the panel closes the circuit from the system "" terminal to the system "" and "" terminals, energizing the first stage cool relay, and the fan relay Also in the cool mode, the system "" terminal is in constant make to the system "" terminal If any zone is equipped with a stage thermostat, when the thermostat makes on the second stage, the panel will also make system "" terminal to the system "" terminal, to energize the second stage compressor relay FF MD There is no true off mode When the zone thermostat is in the off position, the remaining zones can still call for heat ach zone thermostat must have its own switching subbase, with "FF" position, in order to turn off each individual zone Manual control or continuous operation of the fan is controlled by the position of the fan switch on the zone thermostat subbase only The remaining zones are not capable of individual fan control The STMS system terminal block provides two fan control connections, "" and "H" The "" terminal will energize the fan relay in the cool mode only The "H" terminal will energize the fan relay in both heating and cooling modes Used for electric heat and some hydronic heat applications WIIN SSTM Wiring a stage HVA system to the W STMS control panel is similar to wiring directly to a thermostat subbase The following terminals are on the system terminal block - To hot side of system transformer - Unused - Unused / - To compressor relays first and second stage / - To heat relays first and second stage - Unused - To fan relay if cycled in cool mode only H- To fan relay if cycled in cool and heat mode - Unused ZN DAMP MTS Use conductor wire from each zone damper motor terminal to the corresponding terminals on the STMS or ST control panels onsult wiring diagrams for damper types NT: When operating more than one damper motor per zone, consult specific wiring diagrams When any zone is calling, that damper will be in the open position Any zone not calling will be in the closed position When all zones are satisfied, the position of the damper is controlled by the "PN/LSD" switches on the panel PN PSITIN - The damper will drive open when all zones are satisfied LSD PSITIN - The damper will drive closed when all zones are satisfied except with SMD, MD, IMD dampers, the last zone to satisfy will always remain open regardless of switch position THMSTATS ZN Thermostat wiring depends on the type of thermostats used The following is a description and the requirements of the terminals on the zone thermostat terminal block - Hot side of volts to thermostat - ommon side of volts to thermostat If needed - Must be made to "" on a call for st stage cooling - Must be made to "" on a call for nd stage cooling - Unused in two stage operation - Must be made to "" continuously when system switch is in the cool position - Unused in two stage operation - Must be made to "" on a call for st stage heating - Must be made to "" on a call for nd stage heating - Must be made continuously when fan switch is in the "N" position ZN / Zone / thermostat is a simple single stage heat-cool thermostat or a stage heat and stage cool depending on requirements of a particular zone The following is a description and the requirements of the terminals on the zone / thermostat - High side of Volts to thermostat - Low side of Volts to thermostat If needed - Must be made to "" on a call for cooling - Must be made to on a call for second stage cooling - Must be made to "" on a call for heat - Must be made to "" on a call for second stage heat W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
HAT PUMP SSTM PATIN HAT PUMP SSTM The mode of operation of the heat pump is determined by the position of the system selector switch on the subbase of the zone thermostat Switching subbases are not required on the other zones HAT MD The panel will be in the heat mode when the zone thermostat subbase is in either the "HAT" position or the "FF" positionthis allows any zone to call for heat, except zone when its subbase is in off position When a zone calls for heat, the panel closes the circuit from the system "" terminal to the system "", and "" terminals, turning on the compressor and fan Also in the heat mode, system terminal "" is in constant make to system "" terminal Terminal "" is used to operate a reversing valve that is energized in the heat mode If any zone is equipped with a stage thermostat, when the thermostat makes on the second stage, the panel will also make system "" to system "" to energize the second stage or auxilliary heat relay MN HAT MD This mode is activated by putting the zone thermostat subbase in the emergency heat position In this mode the compressor is disabled When a zone calls for heat, the circuit is closed from the system "" terminal to the system "" and "" terminals The "" terminal is used to energize a separate emergency or backup heat relay If any zone is equipped with a stage thermostat, when the thermostat makes on the second stage, the panel will also make system "" terminal to system "" terminal It may be the same heat source as the emergency heat L MD The panel is in the cool mode when the zone thermostat subbase is switched to the cool position In this mode any zone can call for cooling When a zone calls for cooling, the panel closes the circuit from the system "" terminal to the system "", and "" terminals, turning on the compressor and the fan Also in the cool mode, the system "" terminal is in constant make to the to the system "" terminal Terminal "" is used to operate a reversing valve that is energized in the cool mode FF MD There is no true off mode When the zone thermostat is in the off position, the remaining zones can still call for heat ach zone thermostat must have its own switching subbase, with "FF" position, in order to turn off each individual zone The operation of the fan is controlled by the position of the fan switch on the zone thermostat subbase only The remaining zones are not capable of individual fan control The STMS system terminal block provides two fan control connections, "" and "H" The "" terminal will energize the fan relay in the cool mode only The "H" terminal will energize the fan relay in both heating and cooling modes The Heat Pump fan relay should be connected to H terminal WIIN HAT PUMP Wiring the heat pump to the W STMS control panel is similar to wiring the heat pump to a thermostat subbase The following terminals are on the system terminal block - To hot side of heat pump system transformer - To reversing valve if energized in heat mode - To reversing valve if energized in cool mode / - Unused - second stage heat relay - To emergency heat or backup heat relay - Unused H- To fan relay, cycled in cool and heat mode - To compressor relay in heat pump mode - Unused ZN DAMP MTS Use conductor wire from each zone damper motor terminal to the corresponding terminals on the STMS or ST control panels onsult wiring diagrams for damper types NT: When operating more than one damper motor per zone, consult specific wiring diagrams When any zone is calling, that damper will be in the open position Any zone not calling will be in the closed position When all zones are satisfied, the position of the damper is controlled by the "PN/LSD" switches PN PSITIN - The damper will drive open when all zones are satisfied LSD PSITIN - The damper will drive closed when all zones are satisfied except with SMD, MD, IMD dampers, the last zone to satisfy will always remain open regardless of switch position THMSTATS ZN Thermostat wiring depends on the type of thermostats used The following is a description and the requirements of the terminals on the zone thermostat terminal block - Hot side of volts to thermostat - ommon side of volts to thermostat If needed - Must be made to "" on a call for heat or cool - Must be made to "" continuously when system switch is in the cool position - Must be made to "" continuously when system switch is in emergency heat position - Must be made to "" on a call for second stage heat when system switch is in either heat or emergency heat - Must be made continuously when fan switch is in the "N" position ZN / Zone / thermostat is a simple single stage heat-cool thermostat or a stage heat and stage cool depending on requirements of a particular zone The following is a description and the requirements of the terminals on the zone / thermostat - High side of Volts to thermostat - Low side of Volts to thermostat If needed - Must be made to "" on a call for cooling - Must be made to "" on a call for heat - Must be made to "" on a call for second stage heat W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
Heat Heat Fan Fan Auto Auto Stage Heat/ool Thermostat and System Wiring WIIN DIAAM # Two stage heating and cooling using WT-S & WT-SM Thermostats n STMS-A Panel Wire Zone same as Zone W-STMS-A PANL WT-S ZN THMSTAT HAT L WIIN DIAAM # Two stage heating and cooling using T86 programmable digital thermostats n STMS-A Panel Wire Zone same as Zone W-STMS-A/A PANL Model T86 ZN THMSTAT Mon Wake System Heat 0:0 AM 68 o oom i ZN WT-SM ZN THMSTAT H HAT L ZN Model T86 ZN THMSTAT T T Mon Wake System Heat 0:0 AM 68 o oom i ZN AUT N H HAT FF L ZN T T WIIN DIAAM # Two stage heating and cooling using WT-SM T'stat on Zone & single stage heating and cooling using WT T'stat on Zone W-STMS-A PANL WT- ZN THMSTAT 60 70 80 80 70 60 WIIN DIAAM # W-STMS-A/A controlling a conventional stage heat and stage cool system W ZN WT-SM ZN THMSTAT HAT L SSTM HAT LA HAT LA W-STMS-A/A PANL V T'FM ZN AUT N Field installed jumper H HAT FF L Some Zones may not require stage thermostats Small Zones should NT be able to bring on second stage heat () or cooling () L LA L LA LA TANSFM H SSTM onnect this lead to this terminal to cycle fan in both heating and cooling J W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
Mon Wake System Heat Heat Fan Auto Heat Pump Thermostat and System Wiring WIIN DIAAM # WIIN DIAAM #6 W-STMS-A/A Heat Pump System stage heat single stage cool using WT-H & WT-S thermostats n STMS-A Panel Wire Zone same as Zone WT-S ZN THMSTAT HAT 60 70 80 L Heat Pump Two stage heating and single stage cooling using T80 Digital Thermostats n STMS-A Panel Wire Zone Same as Zone W-STMS-A PANL Model T80 ZN THMSTAT m Ht Aux Ht :pm 7 o Fr Hold Select 60 70 80 Auto n SSTM ool ff Heat m Ht W-STMS-A PANL ZN ZN WT-H ZN THMSTAT 60 70 80 HAT PUMP THMSTAT AUT N H M HAT M HAT Field installed jumper AU HAT HAT FF L L ZN ZN Model T80 ZN THMSTAT Notes: Field installed jumper When using T80 on Zones / switch should be in same position as Zone If not panel will ignor its call Auto n m Ht Aux Ht :pm 7 o Fr Hold SSTM ool ff Heat Select L L m Ht WIIN DIAAM #7 WIIN DIAAM #8 Heat Pump Two stage heating and single stage cooling using T80 & T86 Digital Thermostats n STMS-A Panel Wire Zone same as Zone W-STMS-A PANL ZN Model T86 ZN THMSTAT 0:0 AM 68 o oom Model T80 ZN THMSTAT i T T W-STMS-A/A controlling a heat pump stage heat and single stage cool with a single source of backup heat SSTM onnect reversing valve wire to terminal "" for heat pumps that energize the reversing valve on heat cycle "" for heat pumps that energize the reversing valve in cool cycle Field installed jumper V W-STMS-A/A PANL V T'FM ZN m Ht Aux Ht :pm 7 o Auto n Fr Hold SSTM ool ff Heat Select L m Ht VSIN VALV MPSS LA SND STA HAT LA TANSFM H SSTM J Notes: Field installed jumper D NT use auto change over mode on Zone Use Zone Thermostat in autochange over mode LA W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
Heat Pump System Wiring WIIN DIAAM #9 W-STMS-A/A controlling a heat pump stage heat and single stage cool with emergency heat WIIN DIAAM #0 W-STMS-A/A controlling a heat pump stage heat and single stage cool with outdoor low temperature compressor lockout SSTM VSIN VALV onnect reversing valve wire to terminal "" for heat pumps that energize the reversing valve on heat cycle "" for heat pumps that energize the reversing valve in cool cycle V W-STMS-A/A PANL V T'FM SSTM VSIN VALV onnect reversing valve wire to terminal "" for heat pumps that energize the reversing valve on heat cycle "" for heat pumps that energize the reversing valve in cool cycle utdoor temperature control [ DT ] - Field installed V DT W-STMS-A/A PANL V T'FM MPSS LA MN HAT LA SND STA HAT LA TANSFM H SSTM J MPSS LA MN HAT LA SND STA HAT LA TANSFM H SSTM J LA LA WIIN DIAAM # W-STMS-A/A controlling Heat Pump system with a Intercity Products Fossil Fuel kit P/N AA 00 KAI FUNA NTL LA UTD TMPATU SNS T T UTD W FUNA NTL AD FSSIL FUL KIT THMSTAT W Field installed jumper No connection this terminal UTD STIN DUT SNS LIMIT FM TANSFM V W-STMS-A/A PANL H V T'FM SSTM J WIIN DIAAM # W-STMS-A/A controlling stage heat/ stage cool Heat Pump system using a Trane add on Fossil Fuel kit P/N TAPLUS 0A NTS: THIS LAD QUID NL IF FUNA NDS "" T DLIV FULL LIN AIFLW MAK THIS JUMP NNTIN NL IF TH FUNA NDS NAL SINAL F HATIN PATIN 6 THIS JUMP QUID NL F STA FUNAS 7 NNT THMSTAT MDL TAPLUS0A QUID F IL FUNA APPLIATINS 8 T LK UT AS FUNA AT UTD TMPATUS AV DT ST PINT D NT NNT WI T THMSTAT TMINAL "W" AND TMINAL "" N DT HAT PUMP D STIN 8 DT FUNA / or W PH NL PH NL L D L } T 6 } T T PW SUPPL P LAL DS T 7 PW SUPPL P LAL DS W W-STMS-A/A PANL H KI- KI- KI- V T'FM SSTM TD- TAPLUS 0A KI TD J 6 W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
xpansion Panel Wiring M M ZN D MT SW PN LSD W-ST- -xpansion Panel K Z D0 D9 6 D D D D 8 8 ZN D WIIN DIAAM # TANSFM V, 0VA V V T'FM FUS A AMP SL-L SPA FUS NTLS IN nglishtown, NJ D D7 D8 D D D6 NTL SSTM D NT connect to voltages above 0 VA T MAIN NTL PANL - W M M ZN D MT SW PN LSD W-ST- -xpansion Panel K Z D0 D9 6 D D D D 8 8 ZN D TANSFM V, 0VA V V T'FM FUS A AMP SL-L SPA FUS NTLS IN nglishtown, NJ D D7 D8 D D D6 NTL SSTM D NT connect to voltages above 0 VA T MAIN NTL PANL - W M M ZN MT SW PN LSD W-STMS-A ontrol Panel K K Z D D Z D D6 D8 D7 6 ZN TANSFM V, 0VA V ZN S MT PN LSD M M V T'FM SSTM H J K K K K0 K9 NTLS IN nglishtown, NJ Z D D Z Z8 8 Z Z0 0 Z9 9 D D6 D Z7 7 D D D9 D0 D D D D D0 D9 D7 D8 D6 D D D K7 AUTIN PLAS read all instructions carefully before starting the installation procedures D NT connect to voltages above 0 VA ADDITINAL ZN PANL NTL SSTM ZN - W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom 7
DAMP WIIN TANSFM A separate volt 0 VA transformer is required and must be connected to terminals and of the terminal block labeled "T-Former" This transformer powers the control panel, thermostats, and damper motors It does not power the system control circuit The board is protected by a polyfuse circuit breaker at the transformer input The polyfuse overheats and opens the circuit to protect the panel emoving power from the board allows the polyfuse to cool and automatically reset If polyfuse overheats, check field wiring for shorts or miswires, especially damper motor wiring WIIN DIAAM # ectangular Damper wiring Jumper Wire 6 Z D M P M M DAMP WIIN Description of damper motor terminals on control panel A single rectangular damper motor is wired to the M, and terminals as shown ontrol Panel Terminal M ommon Terminal M onstant VA Terminal VA to open damper Terminal VA to close damper Jumper Wire 6 Z Jumper Wire Wiring two rectangular damper motors controlled by one zone as 6 Z D M P M M ontrol Panel WIIN DIAAM # ontrolling or more rectangular dampers from ne Zone TANSFM V, 0VA Numbers in circles below refer to the terminal numbes on the socket for the relay Type elay 9 6 0 7 8 elay oil D M P M M Jumper Wire 6 Z 6 Z 6 Z 6 Z ontrol Panel A relay can be added to the system to control more than two dampers per zone The diagram shows a relay used to control four dampers using the "" relay which has four sets of contacts (-pole) with both normally open and normally closed contacts If more than four dampers are required on a single zone, a second relay can be added and the coils wired in parallel 8 W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
Damper Wiring WIIN DIAAM #6 Wiring MA-ND and MA-UD Motor Actuators to ULTA-ZN ontrol Panels 6 LSD PN MA-UD WIIN DIAAM #7 Wiring MA-SMDL Motor Actuators to ULTA-ZN ontrol Panels 6 LSD PN MA-UD LSD PN MA-SMDL 6 LSD PN MA-ND LSD PN MA-SMDL LSD PN MA-SMDL M M V T'FM ZN MT S PN LSD M M V T'FM ZN MT S PN LSD WIIN DIAAM #8 Wiring Model MA-L Motor Actuators [ elimo KM ] to a ULTA-ZN ontrol Panel ULTA-ZN NTL PANL NTLS IN nglishtown, NJ MA-L V M M WIIN DIAAM #0 Spring eturn Motor wiring MA-S D M P M M V T'FM N N M M NTLS IN nglishtown, NJ MA-L V Note: When using more than one damper per Zone, wire motors in parallel as shown Maximum of MA-L motors may be wired to a control panel To additional dampers as required This diagram shows how to wire a spring return damper A power close style damper is wired M & Power open style damper is wired to M & WIIN DIAAM #9 Wiring Model PA-F [ elimo NM- ] to a ULTA-ZN ontrol Panel WIIN DIAAM # ound Damper wiring 0 NM- L [=0 ] 0 NM- L [=0 ] ULTA-ZN NTL PANL M M MA-DN MA-DN ontrol Panel [=0 ] White ed lack [=0 ] White ed lack V T'FM D M P M M W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom 9
Service Notes The W-STMS-A/A is a multiuse control panel The panel can be wired to a conventional single stage or stage heating/cooling system or to a heat pump system Therefore verify that the installation is wired for the intended application To check out the installation, first check that the Heating/ooling system is operational Do this by using a jumper wire on the control panel "system" terminal block onventional Jump from "" to "" - Heat/ool ompressor and fan System should turn on "" to "" - ompressor and fan should turn on (due to STMS internal circuitry) Heat Pump System "" to "" - Heat should turn on With st stage running, see that the nd stage is working by shorting "" to "" on cooling cycle and by shorting "" to "" on heating cycle Determine if reversing valve is to be energized in the cooling or heating mode Jump from "" to "" - ompressor and fan should turn on in heating or cooling mode depening on system "" to "" - same as above "" to "" [ or ] - ompressor and fan should turn on in the opposite mode to step Assuming the heating/cooling equipment checks out fine, shut off the power at the furnace or heat pump If it does not check out - correct the problems before proceeding with testing of the zoning system When testing the zone control system, the power at the furnace should be off, to prevent compressor short cycling and other controls being cycled needlessly Zone ontrol System Power heck that there is VA on terminals and from the transformer heck that there is VA on terminals M and M for each zone damper If voltage measured is less than volt, check "Polyfuse" for overheating If Polyfuse is hot, it is usually caused by a shorted cable, a miswired damper motor or thermostat To find the problem, start with damper wiring Disconnect one cable at a time, remove power from panel and wait 0 seconds estore power and recheck voltage at terminals M and M If voltage is restored, that is the cable with the short or miswire To be sure that there is not more than one shorted cable, reconnect removed cables one at a time, monitoring the V power to make sure there are no more shorts heck each zone thermostat terminal block "" to "" to make sure that there is power to each thermostat Make sure that the proper thermostat is wired to each zone "n Heat Pump Systems" the Zone thermostat MUST be a "Heat Pump Thermostat", Zones and and all expansion zones require conventional thermostats [ see diagrams # to #8 ] 0 W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
Service Notes If panel will not go into "ool" mode, make sure Zone thermostat is in "ool" mode and that there is VA present between "" and "" terminals on Zone thermostat terminal block If the thermostat is in the "ool" mode and there is no VA between terminals "" and "" on the panel, check out the wiring, subbase and thermostat to determine where the problem is If panel will not work in "Heat" mode, make sure Zone thermostat is in "Heat" mode, and that there is N voltage between terminals "" and "" and "" and "" If voltage [VA] is present, check wiring, subbase and thermostat If voltage is present on terminal "" the panel is in the "cooling mode" Voltage on terminal "" puts the panel into "mergency Heat" mode and will not permit the compressor to run in the Heating or ooling mode After review of service notes, the problem cannot be resolved, then call the Technical Support hot-line (-800-6-08) Damper peration efore starting to check dampers for proper operating sequence, put all "pen-losed" switches on panel in "pen" position Determine how many and what model of damper is connected to each zone Verify that they are wired per the correct schematic for the number and model of damper used [ see schematics # to # ] Start test with all zone thermostats satisfied - all dampers should be open Make Zone thermostat call - Zone damper should stay open, all others should close epeat this test with all other zones - have that zone thermostat call with all others satisfied - that damper remains open, all others should close The control panel damper terminal block outputs are as follows M = V common M = V constant = V signal to open = V signal to close Damper Models n Models SMD, MD and IMD dampers, also wall registers, ceiling diffusers and floor registers using Model MAN motor actuators - make sure that there is a "Jumper" from terminal "" to "" Power on terminal and drives the damper open and power on terminals and 6 drives it closed Model ND same as above but no "Jumper" is needed Model DN and SMDLD - apply power [V] between terminals and damper should drive closed and stop With power (V) applied to terminals and plus, damper should drive open and stop W ontrols Inc 8 Highway nglishtown, NJ 0776 800-6-0 FA 7-6-866 -Mail- info@ewccontrolscom
ectangular Damper Motor Wiring ound Damper W-STMS-A/A Motor Wiring controlling a heat pump stage heat & single stage cool with emergency heat VSIN VALV MPSS LA MN HAT LA SND STA HAT LA TANSFM LA Jumper Wire V 6 Z TANSFM V, 0VA V WIIN DIAAM Model STMS ontrol Panel HAT PUMP AND STA WIIN M M ZN S MT PN LSD M M V T'FM ZN MT SSTM H SW PN LSD J HAT PUMP WIIN W-STMS-A ontrol Panel K K K K K K0 K9 NTLS IN nglishtown, NJ Z D D Z Z D D Z Z8 8 Z Z0 0 Z9 9 D D6 D8 D7 6 D D6 D Z7 7 D D D9 D0 D D D D D0 D9 D7 D8 D6 D D D K7 AUTIN PLAS read all instructions carefully before starting the installation procedures D NT connect to voltages above 0 VA ADDITINAL ZN PANL NTL SSTM ZN ZN - WT-S ZN THMSTAT HAT 60 70 80 } 60 70 80 H 60 70 80 HAT PUMP THMSTAT AUT N WT-S ZN THMSTAT HAT 60 70 80 L M HAT M HAT AU HAT L WT-H ZN THMSTAT HAT FF L L ectangular Damper Motor Wiring W-STMS-A/A controlling a conventional stage heat and stage cool system HAT LA HAT LA L LA L LA LA TANSFM Jumper Wire 6 Z ound Damper Motor Wiring TANSFM V, 0VA V M M ZN S MT PN LSD M M V T'FM ZN MT SSTM H onnect this lead to this terminal to cycle fan in both heating and cooling SW PN LSD J W-STMS-A ontrol Panel STA WIIN K K K K K K0 K9 NTLS IN nglishtown, NJ Z D D Z Z D D Z Z8 8 Z Z0 0 Z9 9 D D6 D8 D7 6 D D6 D Z7 7 D D D9 D0 D D D D D0 D9 D7 D8 D6 D D D K7 AUTIN PLAS read all instructions carefully before starting the installation procedures D NT connect to voltages above 0 VA ADDITINAL ZN PANL NTL SSTM ZN ZN - } 60 70 80 H AUT N WT-SM ZN THMSTAT HAT L H NTS: Field installed jumper To add expansion panels see T-7 Wire to Terminal "" or "" depending on system eversing Valve See T-7 Zone & must be conventional thermostatsnot Heat Pump HAT FF L xcellence Without ompromise Technical -800-6-08 Sales -800-6-0 Fax -7-6-866 e-mail ultrazone@ewccontrolscom W8 Highway, nglishtown, NJ 0776 NTLS IN All wiring should be done to local and national codes and ordinances Use color-coded multi-conductor wire Wire number to number or WANIN: THIS PANL IS DSIND F US WITH VLTS D NT US AN TH VLTA!