WALL THERMOSTAT INSTALLATION

The following instructions apply to RC and RP units only.

NOTE: Carrier thermostats are recommended. See Accessories section.

IMPORTANT: Only trained, qualified personnel and service mechanics should install electrical accessories on Carrier 52C series products per Carrier’s installation instructions. Please contact your local electrical contractor, dealer, or distribu- tor for assistance.

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 10).

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 11 and 12.

TERMINAL

FANCOVER SWITCH

HI

LO

SCREW

4.Reinstall cover.

5.Set desired fan speed using fan switch (unit will operate only at selected speed).

6.Restore power to unit.

NOTE: Refer to thermostat installation instructions for details on installing thermostat.

 

R

 

G

TYPICAL

Y

WALL

 

THERMOSTAT

W

 

O

 

C

 

52C TERMINAL

 

BLOCK

NOTES:

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

2.See table below for terminal descriptions.

TERMINAL

DESIGNATION

R

24 VAC

G

Fan

Y

Compressor

W

Electric Heat

O

Reversing Valve

C

Common

FIGURE 11 — WIRING CONNECTIONS

POWER

THERMOSTAT

CORD

 

FIGURE 10 — CONTROL BOX TERMINAL COVER

R

G

Y

W

O

C

FIGURE 12 — TERMINAL CONNECTOR

REMOVAL AND REPLACEMENT

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Carrier Access 52C owner manual Wall Thermostat Installation, Install Thermostat All remote control units

52C specifications

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