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T8611M DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
3 69-1415—1
WIRING
All wiring must comply with local electrical codes and
ordinances. Refer to Fig. 3 and 4 for typical hookups. A
letter code is located near each terminal for identification.
CAUTION
Electrical Shock Hazard.
Can cause electrical shock or equipment
damage.
Disconnect power before wiring.
1. Loosen the terminal screws on the wallplate and
connect the system wires. See Fig. 5.
IMPORTANT
Use 18 gauge, color-coded thermostat cable for
proper wiring.
2. Securely tighten each terminal screw.
3. Push excess wire back into the hole.
4. Plug the hole with nonflammable insulation to
prevent drafts from affecting the thermostat.
Fig. 3. Typical hookup in heat pump application with
emergency heat relay and O/B terminal.
Fig. 4. Typical hookup in heat pump system with
emergency heat relay for single compressor
systems.
Fig. 5. Correct wiring technique.
L1
(HOT)
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
USE OUTDOOR SENSOR C7089B1000 AND CONFIGURE
INSTALLER SETUP NUMBER 24 TO 1.
BE SURE INSTALLER SETUP NUMBER 3 IS SET TO 2 FOR TWO
COMPRESSOR SYSTEMS.
WIRE EQUIPMENT MONITOR OR DEFROST RESET CONTROL
PER MANUFACTURER INSTRUCTIONS.
CONFIGURE IN INSTALLER SETUP.
1
AUX. HEAT
RELAY
M13289
COMPRESSOR
CONTACTOR 1
FAN
RELAY
ROT OT O/B G Y1 C E W3
OUTDOOR
TEMPERATURE
SENSOR
COOL/HEAT
CHANGEOVER
VALVE
EM. HEAT
RELAY
THERMOSTAT
1
2
2
Y2 L
COMPRESSOR
CONTACTOR 2
EQUIPMENT
MONITOR
OR DEFROST
RESET
CONTROL
5
3
4
X2X1
5
3
4
EQUIPMENT
MONITOR 2
L1
(HOT)
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
USE OUTDOOR SENSOR C7089B1000 AND CONFIGURE
INSTALLER SETUP NUMBER 24 TO 1.
BE SURE INSTALLER SETUP NUMBER 3 IS SET TO 1 FOR
SINGLE COMPRESSOR SYSTEMS.
WIRE EQUIPMENT MONITOR OR DEFROST RESET CONTROL
PER MANUFACTURER INSTRUCTIONS.
CONFIGURE IN INSTALLER SETUP.
1
M13290A
COMPRESSOR
CONTACTOR
FAN
RELAY
ROT OT O/B G Y1 C E
OUTDOOR
TEMPERATURE
SENSOR
COOL/HEAT
CHANGEOVER
VALVE
EM. HEAT
RELAY
THERMOSTAT
1
2
2
W3 L
AUX. HEAT
RELAY
EQUIPMENT
MONITOR
OR DEFROST
RESET
CONTROL
5
3
4
X2
X1
EQUIPMENT
MONITOR 2
5
3
4
M482
6
F
OR WRAPAROUND
I
NSERTION STRIP
7
/16 IN. (11 MM).
FOR STRAIGHT INSERTION
STRIP 5/16 IN. (8 MM).