Replacing Existing Thermostat - Robertshaw 7610 User Manual

110-1060.qxd
Features
• Four pre-programmed Energy Star setpoints for each day of the week.
• Two AA ENERGIZER brand batteries retain program memory, even
during power outages.
• Low battery indicator.
• Fahrenheit/Celsius display option.
• Programmable from 45°F (7°C) to 90°F (32°C).
• Accuracy within ± 1 degree.
• Adjustable temperature differential: 1-3 degrees.
• Maintains summer and winter programming.
• Low temperature freeze protection. While in heat mode, thermostat
will mechanically turn on heat if temperature drops to 40°F (4°C) -
even if batteries are missing or drained.
• Automatic heating shutdown if temperature exceeds 90°F (32°C).
• Quickset programming for quickly programming all days
of the week simultaneously.
• Mercury free, environmentally friendly.

Replacing Existing Thermostat

1. Turn off power to heating and cooling system.
2. Remove cover of old thermostat to expose wires. Do not
disconnect wires. (Figure 1)
3. Label wires per Table 1.
Old Label
M, 4, RH, R5 or R
V or RC
Y or Y6
H, W or 4
F or G
C*
O
B
*NOTE: O
N SOME OLDER MODELS
COMMON SIDE OF THE TRANSFORMER
THE COMMON SIDE OF THE TRANSFORMER
,
CONTROL CONNECT TO THE
4. After labeling wires, remove wires from terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to
install thermostat.
3/27/03 10:51 AM
New Label
RH
RC
Y
W
G
Y or None
O
B
Table 1
, C
THE TERMINAL CAN BE EITHER THE COOLING CONTROL OR THE
. C
HECK FURNACE WIRING DIAGRAM TO VERIFY
,
CAP THE WIRE AND TUCK INTO THE WALL
Y .
TERMINAL
2
Page 2 (Black plate)
Description
Heat transformer,
hot side
Cooling transformer, hot side
Cooling control
Heating control
Fan control relay
Either cooling control or com-
mon side of transformer
Cool active reversing valve
Heat active reversing valve
C
TERMINAL
. I
F IT IS THE COOLING
. I
F IT IS