Carrier 52PQ Owner's Manual download pdf (Page 8)

WALL THERMOSTAT INSTALLATION

The following instructions apply to RC and RP units

only.

NOTE: Carrier thermostats are recommended. See

Accessories section.

■

INSTALL THERMOSTAT —

All remote control

units.

1. Check to be sure power to unit is disconnected.

2. Remove terminal board cover from control box

cover by removing screw (see Figure 12).

NOTE: Terminal connector can be removed and re-

placed to simplify thermostat wiring.

3. Connect wires from terminals on the thermostat

to terminals on chassis terminal board connector.

See Figures 13 and 14.

4. Reinstall cover.

5. Restore power to unit.

NOTE: Refer to thermostat installation instructions

for details on installing thermostat.

NOTE: Fan speed is user-selectable from the control

panel on the unit.

IMPORTANT: Only trained, qualified personnel

and service mechanics should install electrical

accessories on Carrier 52C and 52P series products

per Carrier’s installation instructions. Please con-

tact your local electrical contractor, dealer, or dis-

tributor for assistance.

TYPICAL

WALL

THERMOSTAT

TERMINAL

BLOCK

SEE

NOTE #1

SEE

NOTE #2

NOTES:

1. Use terminal “O” for heat pump connection only.

2. Terminal C (common) typically is only required for digital thermostats.

3. See table below for terminal descriptions.

FIGURE 13 — WIRING CONNECTIONS

TERMINAL DESIGNATION

24 VAC

Fan

Compressor

Electric Heat

Reversing Valve

Common

FIGURE 14 — TERMINAL CONNECTOR

REMOVAL AND REPLACEMENT

POWER

CORD

THERMOSTAT

TERMINAL

COVER

SCREW

FAN SPEED

SELECTOR

SWITCH

FAN SPEED

FIGURE 12 — CONTROL BOX TERMINAL COVER

FOR WALL THERMOSTAT MODELS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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Carrier 52PQ Owner's Manual Page 8

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