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 and 52P series products per Carrier’s installation instructions. Please con- tact your local electrical contractor, dealer, or dis- tributor for assistance.
■THERMOSTAT WIRE ROUTING — Thermostat wire is field supplied. Recommended wire gage is 18 to 20 gage solid thermostat wire. Thermostat wire should always be routed around or under, NEVER through, the wall sleeve. The wire should then be routed behind the front panel to the easily accessible terminal con- nector. See Figures 14 and 15.
■INSTALL THERMOSTAT — All remote control units.
1.Check to be sure power to unit is disconnected.
2.Pull terminal connector to remove.
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 15 and 16.
FAN SPEED |
| FAN SPEED | |
LO | HI | SELECTOR | |
SWITCH | |||
|
|
TERMINAL
CONNECTOR
R
Y
W
G
O
C
THERMOSTAT
WIRE (FIELD
SUPPLIED)
POWER | THERMOSTAT | |
CORD | ||
|
FIGURE 14 — CONTROL BOX TERMINAL
CONNECTOR FOR WALL THERMOSTAT MODELS
4.Reinstall terminal connector.
5.Restore power to unit.
NOTE: Refer to thermostat installation instructions for details on installing thermostat.
NOTE: Fan speed is
R
Y
W
G
O
C
FIGURE 15 — TERMINAL CONNECTOR
REMOVAL AND REPLACEMENT
| R |
| G |
TYPICAL | Y |
WALL |
|
THERMOSTAT | W |
O | SEE | |
NOTE #1 | ||
| ||
C SEE | ||
| NOTE #2 | |
TERMINAL |
| |
BLOCK |
| |
NOTES:
1.Use terminal “O” for heat pump connection only.
2.Terminal C (common) is typically only required for digital thermostats.
3.See table below for terminal descriptions.
TERMINAL | DESIGNATION |
R | 24 VAC |
G | Fan |
Y | Compressor |
W | Electric Heat |
O | Reversing Valve |
C | Common |
FIGURE 16 — WIRING CONNECTIONS
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