Page 2 - Table Of Contents; TROUBLESHOOTING; CAUTION; Follow; WARNING
Page 1 Table Of Contents PREPARATION REMOVE OLD THERMOSTAT MOUNT WALL PLATE & WIRECONNECTIONS & SWITCHES WIRING DIAGRAMSCALABRATION TROUBLESHOOTING CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER - AIR CONDITIONER BEFORE REMOVINGTHE OLD THERMOSTAT AND INSTA...
Page 3 - Set; Fan Auto; Set; Fan Auto; Set; Fan Auto
Proper installation of the receiver will beaccomplished by following these stepby step instructions. If you are unsureabout any of these steps, call a qualifiedtechnician for assistance. Assemble tools as shown below. Flat BladeScrewdriver Wire cutter& Stripper Drill with3/16 inchDrill Bit Make ...
Page 4 - REMOVE OLD THERMOSTAT
Turn off the power to the Heating/AirConditioning system at the main fusepanel. Most residential systems have a separate breaker for disconnectingpower to the furnace. Remove the cover of the old thermostat.If it does not come off easily check forscrews. Loosen the screws holding the thermostatbase ...
Page 5 - MOUNT WALL PLATE AND WIRE; refer to the chart below,
STEP #3 MOUNT WALL PLATE AND WIRE Page 4 If the terminal designations on your oldthermostat do not match those on the new thermostat, refer to the chart below, or the wiring diagrams that follow. 70 70 12:00 Set Cool Fan Auto MODE FAN 70 70 12:00 Set Cool Fan Auto MODE FAN * C may not be used on all...
Page 6 - Connections & Switches - Setting House Code; Circuit Board; HP; ON
Connections & Switches - Setting House Code Page 5 W2 Y2 R W1OB Y1 G C 1 12 24 48 8 16 1632 32EH EHHP HP O N O N O FF O FF Antenna Terminals forConnection toHVAC Dip Switches Circuit Board Rear Housing 1 12 24 48 8 16 1632 32EH EHHP HP O N O FF 1 12 24 48 8 16 1632 32EH EHHP HP O N O FF Add all ...
Page 7 - Antenna; Heat Pump; ON Indicator
Connections & Switches - Heat Pump Page 6 11 22 44 88 1 6 1 6 3 2 3 2 E H E H H P H P ON ON OFF OFF Antenna Dip Switches Circuit Board Heat Pump 1 12 24 48 8 16 1632 32EH EHHP HP O / B O / B O N O FF To configure the receiverfor heat pump operationSlide HP switch to theON position as shown. Reve...
Page 8 - Sample Wiring Diagrams; Receiver; Wire, 1 Stage Cooling, 1 Stage Gas Heat; If using electric heat this option must be
Sample Wiring Diagrams Receiver Receiver Page 7 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 relay 1st stage heat circuit 5 Wire, 1 Stage Coolin...
Page 11 - special needs; Sample Wiring Diagram
Sample Wiring Diagram Calibration Page 10 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 package heat pumpswith auxiliary he...
Page 12 - at the furnace; Note: 2 resistors may be used at the same time.; For Problem Heat
TROUBLESHOOTING Page 11 70 70 12:00 Set Cool Fan Auto MODE FAN 70 70 12:00 Set Cool Fan Auto MODE FAN 70 70 12:00 Set Cool Fan Auto MODE FAN 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...
Page 13 - INSTALLATION NOTES
SYMPTOM: When controlling a residential heat pump, and asking for cooling, the heat comes on. CAUSE: Heat pump is not selected " on " in the Advanced Setup. REMEDY: Select heat pump on during Advanced Setup programming. Consult the Owner's Manual. TROUBLESHOOTING Page 12 P/N 88-264 70 70 12:...