Venstar TSTATEZ Installation Instructions

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Venstar TSTATEZ Manual Information:

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Summary of Contents:

[Page 1] Venstar TSTATEZ

Venstar Inc. 08/07 Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat. PROGRAMMABLE Single Day PROGRAMMABLE Single Day up t...

[Page 2] Venstar TSTATEZ

Table Of Contents Step #1: Preparation Step #2: Remove & Replace Old Thermostat Step #3: Wire Connections Step #4: Test Operation Trouble Shooting 2 3 4 9 10 CAUTION Follow Install...

[Page 3] Venstar TSTATEZ

STEP #1 PREPARATION Proper installation of the thermostat will be accomplished by following these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. These tools will be required: Flat ...

[Page 4] Venstar TSTATEZ

STEP #2 REMOVE & REPLACE OLD THERMOSTAT Remove the cover of the old thermostat. If it does not come off easily check for screws. Loosen the screws holding the thermostat base or subbase to the wall, and lift away. Disconnect the wires from the ol...

[Page 5] Venstar TSTATEZ

STEP #3 WIRE CONNECTIONS If the terminal designations on your old thermostat do not match those on the new thermostat, refer to the chart below, or the wiring diagrams that follow. * C may not be used on all systems. ** O/B is used if your system ...

[Page 6] Venstar TSTATEZ

Sample Wiring Diagrams Thermostat Thermostat R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac common 24 vac return fan relay compressor relay 1st stage heat circuit R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac return fan relay compressor rela...

[Page 7] Venstar TSTATEZ

Sample Wiring Diagrams R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac common 24 vac return fan relay compressor relay 2nd stage compressor relay 1st stage heat circuit R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac common 24 vac return fan re...

[Page 8] Venstar TSTATEZ

Sample Wiring Diagrams R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac common 24 vac return fan relay compressor relay 2nd stage compressor relay 1st stage heat circuit 2nd stage heat circuit R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac comm...

[Page 9] Venstar TSTATEZ

Sample Wiring Diagram R C G Y1 Y2 W1 W2 O E L R C G Y1 Y2 W1 W2 O 24 vac common 24 vac return fan relay compressor relay 1st stage heat circuit 2nd stage heat circuit 6 Wire, 1 Stage Cooling, 2 Stage Heat, Heat Pump * Most residential split and packa...

[Page 10] Venstar TSTATEZ

STEP #4 TEST OPERATION On the thermostat, press the MODE/NEXT button repeatedly until the HEAT icon appears on the display. Press the UP or DOWN button until the set temperature is 10 degrees above room temperature. The HVAC unit should energi...

[Page 11] Venstar TSTATEZ

TROUBLESHOOTING R G W Y C TR300-10w R G W Y C TR300-10w For Problem A/C For Problem Heat SYMPTOM: When using 4 wires (R, G, W, Y), the air conditioning equipment tries repeatedly to turn on, but cannot. At times the d...

[Page 12] Venstar TSTATEZ

TROUBLESHOOTING Page 11 SYMPTOM: When controlling a Residential Heat Pump, cooling energizes with a demand for heat. CAUSE: Heat pump is not selected "YES" in the Advanced Setup. REMEDY: See page 9 of the Owner...