69-0750—1 8

Fig. 14—Use of 104994A calibration wrench.

.35
.30
.25
.20
.10
M8583
ANTICIPATOR
SETTING
LEVER
ANTICIPATOR
SCALEPLATE
CALIBRATION
WRENCH
Typical Wiring Diagrams

Fig. 15—Typical hookup for clock powered by

separate 24 Vac transformer.

L1
(HOT)
L2
1
1POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
CCRW
HEAT
RELAY
CLOCK
THERMOSTAT
SUBBASE
M1511A
BATTERY

Fig. 16—Typical hookup for clock powered by

two AAA alkaline batteries only.

L1
(HOT)
L2
1
L1
(HOT)
L2
1
CCRW
HEAT
RELAY
CLOCK
THERMOSTAT
SUBBASE
1
2
2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
BATTERY BACKUP MAY BE USED IF POWER TO
CLOCK IF INTERRUPTED.
M1512B
BATTERY

Fig. 17—Typical hookup for clock powered by

system transformer. Clock powered by battery

when system is not powered (e.g., power to

system is off or interrupted).

L1
(HOT)
L2
1
CCRW
HEAT
RELAY
CLOCK
THERMOSTAT
SUBBASE
1
2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
M1513A
BATTERY

Fig. 18—Typical hookup for clock powered

through control system. Clock powered by

battery when heating or cooling equipment is

on; clock takes power from system when

heating equipment is off.

L1
(HOT)
L2
1
1
L1
(HOT)
L2
1
HEAT
RELAY
COMPRESSOR
CONTACTOR
CLOCK
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
JUMPER RH-RC TERMINALS WHEN ONE TRANSFORMER
POWERS BOTH HEATING AND COOLING.
FOR POWER STEALING ON HEATING, JUMPER
C-RH AND C-W TERMINALS.
2
3
32
THERMOSTAT
BATTERY
SUBBASE
CCRHRC WY
M1514C