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8
INSTALL CLOCK BATTERIES
Power is supplied to the clock by two AAA alkaline
batteries (included). Install clock batteries in
thermostat as shown. Once a year, or when batteries are
dead, replace with two new AAA alkaline batteries. We
®
recommend Energizer
batteries. Other types of batteries
are more likely to leak, which could damage the clock. The
thermostat itself will operate without batteries, but will not
operate as a fuel saver.
9
SET CLOCK
Adjust the clock by moving the minute hand in
clockwise direction. Do not reverse the minute hand.
When time is correctly set, the Time Indicator Arrow
(see illustration) must point to the correct time and
the corresponding daytime (light) or nighttime (dark)
portion of the program dial.
10
ATTACH THERMOSTAT COVER
Make sure the packing inserts in the thermostat
base have been removed, as explained in Step 2.
Place the two tabs on upper edges of cover into the
mounting slots in the thermostat base.
Swing cover downward until it engages catch at
bottom of base.
11
CHECKOUT THERMOSTAT OPERATION AND SET TEMPERATURE CONTROL LEVERS
The two levers on top of the thermostat control the
low and high temperature for energy savings and
comfort control as shown in the illustration.
LOW TEMPERATURE
(BLUE MARK)
SET LEVER
50
60
HIGH TEMPERATURE
(RED MARK)
SET LEVER
70
80
M859
BATTERY LOCATION
FOR (2) AAA BATTERIES;
INSTALL WITH POSITIVE
ENDS UP
CAUTION
Do not check operation by shorting across
terminals of relay or valve coil; this will burn out the
thermostat heat anticipator, which will void the
warranty.
Heating-Only System
Turn on power to the furnace.
7
M9619
PROGRAM
INDEX
WHEEL
TIME
INDICATOR
ARROW
M2499
M9618
69-0394—3
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