Typical Wiring Diagrams - Honeywell TRADELINE T8090A User Manual

Fig. 14—Use of 104994A calibration wrench.
CALIBRATION
WRENCH
ANTICIPATOR
SETTING
LEVER
ANTICIPATOR
SCALEPLATE

Typical Wiring Diagrams

Fig. 15—Typical hookup for clock powered by
separate 24 Vac transformer.
2
BATTERY
THERMOSTAT
SUBBASE
L1
(HOT)
1
L2
L1
(HOT)
1
L2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2 BATTERY BACKUP MAY BE USED IF POWER TO
CLOCK IF INTERRUPTED.
Fig. 16—Typical hookup for clock powered by
two AAA alkaline batteries only.
BATTERY
THERMOSTAT
SUBBASE
L1
(HOT)
1
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
1
AND OVERLOAD PROTECTION AS REQUIRED.
69-0750—1
M8583
CLOCK
C
C R W
HEAT
RELAY
M1512B
CLOCK
C C R W
HEAT
RELAY
M1511A
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).
2
BATTERY
THERMOSTAT
SUBBASE
L1
(HOT)
1
L2
POWER SUPPLY. PROVIDE DISCONNECT MEANS
1
AND OVERLOAD PROTECTION AS REQUIRED.
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.
THERMOSTAT
CLOCK
BATTERY
3
C
SUBBASE
L1
(HOT)
1
L2
L1
(HOT)
1
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 JUMPER RH-RC TERMINALS WHEN ONE TRANSFORMER
POWERS BOTH HEATING AND COOLING.
3 FOR POWER STEALING ON HEATING, JUMPER
C-RH AND C-W TERMINALS.
8
CLOCK
C
R
C
HEAT
RELAY
C RH RC
W
2
HEAT
RELAY
COMPRESSOR
CONTACTOR
L2
W
M1513A
Y
M1514C