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T8141A ELECTRONIC HEAT PUMP THERMOSTATS
Reposition the mounting plate and insert the screws.
Tighten the screws. Turn out the screws one-half turn.
Level for appearance only; thermostat functions
properly even when not level. See Fig. 2 and 3.
Tighten the screws and seal the wall opening.
Remove the left side of the thermostat cover.
Pull the wires through one of the thermostat cable
openings (Fig. 4) and snap the thermostat into the top
hinges on the mounting plate.
WALL
WALL
ANCHORS (3)
WIRES THROUGH
WALL OPENING,
SEAL WALL OPENING
WALL
ANCHORS (3)
MOUNTING
PLATE
Fig. 2. Mounting and leveling mounting plate.
1
TERMINAL
WIRES
U P
1
2
SNAP THE THERMOSTAT INTO
THE TOP HINGES ON THE
MOUNTING PLATE.
Fig. 3. Mounting thermostat.
68-0169—1
LEVEL
U P
MOUNTING
SCREW (3)
M8553
WALL
MOUNTING
SCREW
TEMPERATURE
SETPOINT
SYSTEM
SWITCH
TEMPERATURE
CONTROL DIAL
FAN
SWITCH
TERMINAL
STRIP
M5948B
TERMINAL
WIRES
THERMOSTAT
CABLE
OPENINGS
FOR STRAIGHT
INSERTION –
STRIP 5/16 IN. (8 MM)
FRONT VIEW OF
TERMINAL AREA
Fig. 4. Connecting wires to terminals.
Wiring
Disconnect power supply to prevent electrical shock or
equipment damage. All wiring must comply with local
electrical codes and ordinances. Follow equipment
manufacturer wiring instructions when available.
Connect the cable wires to the designated terminals.
See Fig. 4 through 6, and Table 1. A letter code for
identification is located near each terminal.
Firmly tighten each terminal screw.
Replace the thermostat cover.
4
TERMINAL
STRIP
FOR WRAPAROUND –
STRIP 7/16 IN. (11 MM)
RESTRICT
WIRING TO
THIS AREA
M8552
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