Typical Wiring Hookups - Honeywell Q7300A Installation Instructions Manual

Q7300A,C,D,G SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES

Typical Wiring Hookups

RC
L1
(HOT)
L2
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER.
3
CONNECT GND TO EARTH GROUND.
4
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS.
62-0135
Y1 G X W1 RH
2
COMPRESSOR
CONTACTOR
HEAT
RELAY
FAN
RELAY
1
COOLING
TRANSFORMER
Fig. 9. Typical hookup of T7300D,F/Q7300A in one-stage heat and
one-stage cool conventional system with two transformers.
RC Y1
2
COMPRESSOR
CONTACTOR 1
L1
(HOT)
L2
1
COOLING
TRANSFORMER
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2 JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED
ON A SYSTEM WITH ONE TRANSFORMER.
Fig. 10. Typical hookup of T7300D,F/Q7300A in two-stage heat and
one-stage cool conventional system with two transformers.
SUBBASE
X4 X3 X1 C5 C4
4
EQUIPMENT
MONITOR 2
CA5 CA4
T7147 REMOTE COMFORT ADJUST MODULE
EQUIPMENT
MONITOR 1
HEATING
TRANSFORMER
SUBBASE
G X W2 W1
HEAT
RELAY 2
FAN
HEAT
RELAY
RELAY 1
4
C3 C2 C1 T T
CA2 CA1
CA3 T T
GND
3
1
L1
(HOT)
L2
M4939A
RH
1
L1
(HOT)
L2
HEATING
TRANSFORMER
M10230