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Mount The Thermostat - Honeywell Q682B Manual

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Fig 5.—Methods of connecting terminals.
FOR STRAIGHT
CONNECTION—
STRIP 5/16 in. [8 mm]
FOR WRAPAROUND
CONNECTION—
STRIP 7/16 in. [11 mm]
Subbase Terminal
R
R
c
R
h
W
Y
G
C
O
B
P

MOUNT THE THERMOSTAT

Note the tabs on the top inside edge of the thermostat
base. These tabs fit the slots molded into the top of the
wallplate or subbase.
Hang thermostat base on wallplate or subbase.
Insert the two captive mounting screws located in the
bottom corners of the base (Fig. 6).
Firmly tighten the screws.
INSERT CLOCK OPERATION
Power is supplied to the clock by the 24 Vac transformer
or two AAA alkaline batteries (included), or by the heating
or cooling control circuit. Backup batteries may be installed
to supply power to the clock if power is interrupted when
using 24 Vac powering method.
Install the batteries in the thermostat as shown in Fig. 7.
Once a year or when batteries are dead, replace with two
new AAA alkaline batteries. We recommend Energizer
batteries.
69-0431—2
BARRIER
M1556B
TABLE 2—TERMINAL DESIGNATIONS.
Control transformer power.
Line side of 24V power supply; cooling side, 2 transformer heat-cool system.
Line side of 24V power supply; heating side, 2 transformer heat-cool system.
Heating control circuit.
Cooling control circuit; jumper to W for heat pump compressor control if no
P terminal on subbase.
Fan control circuit.
Clock control (transformer common).
Cooling damper or changeover/reversing valve, makes continuously in cool.
Heating damper or changeover/reversing valve, makes continuously in heat.
Heat pump contactor; P terminal on some models only.
®
Connect the wires to corresponding terminals on the
subbase. If labels do not agree with your new subbase, refer
to Table 2, Figs. 21-22, and the installation instructions
furnished with the subbase.
NOTE: If wiring a dual transformer system, only the O or
the B terminal may be used.
Push excess wire back into the wall.
Plug the hole in wall with nonhardening caulk, putty, or
nonflammable insulation to prevent drafts from affecting
the thermostat operation.
Control Function
Fig. 6—Thermostat mounting.
MOUNTING SLOT (2)
1
THERMOSTAT
BASE
4
TAB (2)
35
30
2 0
CAPTIVE
WALLPLATE
MOUNTING SCREWS
OR SUBBASE
M8584

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