White Rodgers P150 Single-Stage Thermostat Manual
White Rodgers P150 Single-Stage Thermostat Overview
White Rodgers P150 thermostat buttons and switches
- Raises temperature setting.
- Lowers temperature setting.
- TIME button.
- PRGM (program) button.
- RUN (program) button. Press RUN to resume program.
- HOLD button. Press HOLD to bypass the program. Press RUN to resume program.
- FAN switch (ON, AUTO).
- SYSTEM switch (COOL, OFF, HEAT).
White Rodgers P150 Terminal labeling reference chart
If your current terminal has the following letter |
Label the wires with the following letters |
Terminal function |
RH, R, R5, 5 |
RH |
24V Power (Heating) |
RC |
RC |
24V Power (Cooling) |
W, W1, 4 |
W |
Heating Relay |
Y, Y1 |
Y |
Cooling Relay |
G |
G |
Fan Relay |
O |
O |
Reversing Valve (for heat pump applications energized in Cool mode) |
B |
B |
Reversing Valve (for heat pump applications energized in Heat mode) |
White Rodgers P150 Thermostat Operation
White Rodgers P150 Fan operation
If your system does not have a G terminal connection, skip to Heating System.
- Turn on the power system
- Move FAN switch to ON position. The blower should begin to operate.
- Move FAN switch to AUTO position. The blower should stop immediately
White Rodgers P150 Cooling system
This thermostat has a time delay between cooling cycles to allow the head pressure in the compressor to stabilize. If the temperature is adjusted to call for cool within 5 minutes of the last cycle the snowfl ake icon will blink indicating the thermostat is locked out. After 3 to 5 minutes, the compressor will start and the snowfl ake icon will stop fl ashing. This helps prevent the compressor from cycling too quickly and is normal operation for the thermostat.
- Move SYSTEM switch to COOL position.
- Press DOWN key to adjust thermostat setting below room temperature. The blower should come on immediately on high speed, followed by cold air circulation
- Press UP key to adjust temperature setting above room temperature. The cooling system should stop operating.
White Rodgers P150 Heating system
- Move SYSTEM switch to HEAT position. If the heating system has a standing pilot, be sure to light it.
- Press DOWN key to adjust thermostat setting above room temperature. The heating system should begin to operate.
- Press UP key to adjust temperature setting below room temperature. The heating system should stop operating.
Readmore and Download White Rodgers P150 Single-Stage Thermostat Manual
Title | : White Rodgers P150 Single-Stage Thermostat Manual |
Format | |
Pages | : 36 Pages |
Language | : English |
File Size | : 3 MB |