Venstar T1100REC Wireless Programmable Thermostat Installation Instruction

Venstar T1100REC Wireless Programmable Thermostat

CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER – AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING THE NEW THERMOSTAT. This receiver is designed to operate from 0-70 C 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.

PREPARATION

STEP #1

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.
Assemble tools.

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.
Turn off the power to the Heating/Air Conditioning system at the main fuse panel. Most residential systems have a separate breaker for disconnecting power to the furnace.

REMOVE & REPLACE THE 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 old thermostat. Tape the ends of the wires as you disconnect them, and mark them with the letter of the terminal for easy reconnection to the new thermostat.
Keep the old thermostat for reference purposes, until your new thermostat is functioning properly.

DIP SWITCH SETTINGS

Equipment Settings

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 is a Heat Pump.

Sample Wiring Diagrams

Gas or Electric Heat

If using first-stage electric heat, the “EH” dip switch must be set to ON (see page 5).

If using first-stage electric heat, the “EH” dip switch must be set to ON (see page 5).

* If using first-stage electric heat, the “EH” dip switch must be set to ON (see page 5).

If using first-stage electric heat, the “EH” dip switch must be set to ON (see page 5).

If using first-stage electric heat, the “EH” dip switch must be set to ON (see page 5).

• If using first-stage electric heat, the “EH” dip switch must be set to ON (see page 5).
• If using a , the “HP” dip switch must be set to OFF (see page 5). Commercial heat pump

Heat Pump

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.

The “HP” dip switch must be set to ON (see page 5).  The “O/B” dip switch must be set to O or B (see page 5).

6 Wire, 1 Stage Cooling, 2 Stage Heat, Heat Pump* with O or B reversing valve**. Residential Heat Pumps, split systems & package units, with auxiliary heat.

The “HP” dip switch must be set to ON (see page 5). The “O/B” dip switch must be set to O or B (see page 5).

TEST OPERATION

Turn the power on to the Heating/Air Conditioning system.
Press the MODE 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 energize in the heating mode.
Press the MODE button repeatedly until the COOL icon appears on the display. Press the UP or DOWN button until the set temperature is 10 degrees below room temperature. The HVAC unit should energize in the cooling mode.
NOTE: Most equipment has a time delay of 5 minutes between cooling cycles. This feature is defea table on the thermostat (see page 13, step 8 of the Thermostat Manual).
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.

TROUBLESHOOTING

SYMPTOM: When using 4 wires (R, G, W, Y),
the air conditioning or heating equipment tries repeatedly to turn on, but cannot. CAUSE: There is not enough power available to “power share”.
REMEDY: Connect a 250 ohm, 10-watt power resistor at the furnace as shown below.

Note: 2 resistors may be used at the same time.
Not applicable with Heat Pump systems.

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 13 of the Thermostat Manual and configure step 8 to defeat the 5-minute compressor lockout.
SYMPTOM: The display is blank.
CAUSE: Lack of proper power.
REMEDY: Make sure power is turned on to the furnace and 24vac exists between R & W. If C is used, 24vac between R & C.

SYMPTOM: When controlling a residential heat pump, and asking for cooling, the heat comes on.
CAUSE: The Heat Pump dip switch is set to OFF.
REMEDY: See page 5 of this manual and set the Heat Pump (HP) switch to ON.
SYMPTOM: When calling for cooling, both
the heat and cool come on.
CAUSE: The Heat Pump dip switch is set to ON and the HVAC system is a “conventional” (non-heat pump) system.
REMEDY: See page 5 of this manual and set the
Heat Pump (HP) switch to OFF to enable gas electric operation.

Reference:

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Venstar T1100REC Wireless Programmable Thermostat Installation Instruction

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Venstar T1100REC Wireless Programmable Thermostat Product Specifications Guide

Venstar T1100REC Wireless Programmable Thermostat Installation Instruction