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Venstar T0051FS, Installation Instructions Manual

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Venstar T0051FS Installation Instructions Manual Download Page 9

Sample Wiring Diagrams

Gas or Electric Heat

6 Wire, 2 Stage Cooling, 1 Stage Gas Heat

Residential two stage cooling with
Gas or Electric Heat*.

CK1
GND
RS
RS+5
W2
Y2

 C
 G
 Y1
W1-O-B
 R

POWER

R

COMPRESSOR

Y

W

GAS VALVE

or

STRIP HEAT

COMMON

C

FAN

G

2nd STAGE
COOLING

Y

2

*

 If using first stage electric heat, this option must be 

  selected ON (see page 15, step 13 of Owner’s Manual).

Page 8

Summary of Contents for T0051FS

Page 1: ...ir Conditioning Heating Systems including 1 or 2 Stage Electric Cooling 2 Stage Gas Heating Heat Pump Electric or Hydronic Heat COMMERCIAL HEAT COOL HEAT PUMP PROGRAMMABLE PROGRAMMABLE up to 2 cool up to 2 cool 2 heat 2 heat HOTEL THERMOSTAT Backlit display One For All Works with Virtually All Equipment O or B Terminal Non Volatile Memory Hidden Setpoint Limiting Peak Demand Reduction Manual or Au...

Page 2: ...WER TO THE HEATER AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING THE NEW THERMOSTAT WARNING This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation P N T0051FS Venstar In...

Page 3: ...d Junction Box Flat Blade Screwdriver Wire cutter Stripper Make sure your Heater Air Conditioner is working properly before beginning installation of the thermostat Carefully unpack the thermostat Save the screws wall anchors and instructions STEP 1 PREPARATION Turn off the power to the Heating Air Conditioning system at the main fuse panel Most residential systems have a separate breaker for disc...

Page 4: ...wall When ready to mount the FlatStat to the wall hanger use the two 6 machine screws provided Mark the wall location using the inside opening of the wall bracket as a template Make sure the rectangle is straight up and down and there is nothing behind the planned opening inside the wall before cutting Cut through the drywall just outside the outline Using your fingers bend the steel tabs around t...

Page 5: ...e terminal for easy reconnection to the new thermostat STEP 2 REMOVE REPLACE OLD THERMOSTAT Keep the old thermostat for reference purposes until your new thermostat is functioning properly Remove the white plastic wire connector from the rear of the thermostat Install wires as directed Press the wired connector on the back of the thermostat Lift Connector straight up to remove For best operation i...

Page 6: ...ll systems O B is used if your system is a Heat Pump Wire from the old thermostat terminal marked Function Install on the new thermos tat connector marked G or F Fan G Y1 Y or C Cooling Y1 W1 W or H Heating W1 O B W1 O B Power Rh R M Vr A R C O b C Common Rev Valve Y2 Y2 W2 W2 2nd Stage Cool 2nd Stage Heat RS 5 RS 5 Remote Sensor 5vdc RS RS Remote Sensor Signal RS G GND Remote Sensor Ground Page 5...

Page 7: ...ed ON see page 15 step 13 of Owner s Manual Gas or Electric Heat 5 Wire 1 Stage Cooling 1 Stage Gas Heat Residential Gas or Electric Heat Electric Cool split systems package units CK1 GND RS RS 5 W2 Y2 C G Y1 W1 O B R POWER R COMPRESSOR Y W GAS VALVE or STRIP HEAT COMMON C FAN G Page 6 ...

Page 8: ...eat Residential Gas or Electric Heat Electric Cool split systems package units CK1 GND RS RS 5 W2 Y2 C G Y1 W1 O B R POWER R COMPRESSOR Y W GAS VALVE or STRIP HEAT FAN G If using first stage electric heat this option must be selected ON see page 15 step 13 of Owner s Manual Page 7 ...

Page 9: ...esidential two stage cooling with Gas or Electric Heat CK1 GND RS RS 5 W2 Y2 C G Y1 W1 O B R POWER R COMPRESSOR Y W GAS VALVE or STRIP HEAT COMMON C FAN G 2nd STAGE COOLING Y2 If using first stage electric heat this option must be selected ON see page 15 step 13 of Owner s Manual Page 8 ...

Page 10: ...commercial 1 Stage Cooling with 2 Stage Gas or Electric Heat CK1 GND RS RS 5 W2 Y2 C G Y1 W1 O B R POWER R COMPRESSOR Y W GAS VALVE or STRIP HEAT COMMON C FAN G 2nd STAGE HEATING W2 If using first stage electric heat this option must be selected ON see page 15 step 13 of Owner s Manual Page 9 ...

Page 11: ...tage Heat CK1 GND RS RS 5 W2 Y2 C G Y1 W1 O B R POWER R COMPRESSOR Y W GAS VALVE or STRIP HEAT COMMON C FAN G 2nd STAGE HEATING W2 selected ON see page 15 step 13 of Owner s Manual Commercial heat pumps do not have the heat pump turned ON in advanced setup see page 15 step 11 of Owner s Manual If using first stage electric heat this option must be 2nd STAGE COOLING Y2 Page 10 ...

Page 12: ... selected O or b during advanced setup see page 15 step 12 of Owner s Manual Heat Pump CK1 GND RS RS 5 W2 Y2 C G Y1 W1 O B R POWER R COMPRESSOR Y O b REVERSING VALVE COMMON C FAN G 5 Wire 1 Stage Cooling 1 Stage Heat Heat Pump with O or b reversing valve Residential Heat Pumps split systems package units with no auxiliary heat Page 11 ...

Page 13: ...ooling 2 Stage Heat Heat Pump with O or b reversing valve Residential Heat Pumps split systems package units with auxiliary heat 2nd STAGE HEATING W2 This option must be selected ON during advanced setup see page 15 step 11 of Owner s Manual This option must be selected O or b during advanced setup see page 15 step 12 of Owner s Manual Page 12 ...

Page 14: ...splay Press the UP or DOWN buttons until the set temperature is 10 degrees below room temperature The HVAC unit should Turn the power on to the Heating Air Conditioning system energize in the cooling mode Press the UP button until the setpoint is equal to the room temperature Press the FAN button to Fan On The fan should turn on and run continuously NOTE Most equipment has a time delay of 5 minute...

Page 15: ...below TROUBLESHOOTING SYMPTOM The air conditioning does not attempt to turn on CAUSE The compressor timer lockout may prevent the air conditioner from turning on for a period of time REMEDY See page 16 of the Owner s Manual and configure step 17 to defeat the 5 minute compressor lockout R G W Y C TR300 10w SYMPTOM The display is blank CAUSE Lack of proper power REMEDY Make sure power is turned on ...

Page 16: ...at pump operation TROUBLESHOOTING SYMPTOM When calling for cooling both the heat and cool come on CAUSE The thermostat is configured to control a heat pump and the HVAC system is a conventional non heat pump system REMEDY See page 15 of the Owner s Manual and set step 11 to OFF to enable gas electric operation Page 15 4Z95 P N 88 701 Rev 1 C c F FOR HOME OR OFFICE USE Tested to Comply with FCC Sta...

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