NewAir 8625 Recycling Thermostat, Replacing Existing Thermostat, Old Terminal, Description

110-1101 7/22/04 8:16 AM Page 2

!IMPORTANT SAFETY INFORMATION WARNING:

•Always turn off power at main fuse or circuit breaker panel before installing, removing, cleaning, or servicing thermostat.

•Read all the information in this manual before installing this thermostat.

•DO NOT CONNECT TO 120 VAC. This is a 24 VAC low-voltage thermostat. Do not install on voltages higher than 30 VAC.

•All wiring must conform to local and national building and electrical codes and ordinances.

•Do not short (jumper) across terminals on the gas valve or at the system control to test installation. This will damage the thermostat and void the warranty.

•Do not connect ground to any terminal in this unit.

Recycling Thermostat

If this thermostat REPLACES a thermostat that contains mercury, DO NOT discard the old thermostat in the regular trash. Mercury is harmful to humans and the environment. For this reason, do not open, break, or crush the mercury cell. If mercury leaks from a damaged cell, DO NOT touch or handle mercury with bare hands. Use protective, non-absorbent gloves to place mercury into a sealable container. Fill the container with sand or another absorbent material and seal the container completely.

Return the mercury or mercury products, in a sealed container, to Invensys Climate Controls or a local recycling center for proper disposal. If you have any questions, call Robertshaw technical support at 1-800-445-8299.

Invensys Climate Controls

28C Leigh Fisher Blvd.

El Paso, TX 79906

Attn: Mercury Recycling Center

Step 1: Replacing Existing Thermostat

Wiring Table

Old Terminal	New Label	Description
R, V-VR or VR-R	R	24VAC, return
Y, Y1, M	Y1	Compressor relay (Stage 1)
O or R	O	Reversing valve (cool active)
B	B	Reversing valve (heat active)
F or G	G	Fan control relay
Y2	Y2	2nd stage cooling circuit
W2, W-U or E	W2/E	2nd stage heating control or
		emergency heating for heat pumps
C, X or B	C	24 VAC, transformer common side
L or X	L	System monitor
W or W1	W1	1st stage heat - non heat pump

NOTE: THIS THERMOSTAT REQUIRES A 24 VAC COMMON WIRE FOR PROPER OPERATION.

NOTE: ON SOME OLDER MODELS, THE C TERMINAL CAN BE EITHER THE COOLING CONTROL OR THE COMMON SIDE OF THE TRANSFORMER. CHECK FURNACE WIRING DIAGRAM TO VERIFY C TERMINAL. IF IT IS THE COMMON SIDE OF THE TRANSFORMER, CONNECT TO THE C TERMINAL.

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