Honeywell Q7300A Installation Instructions Manual page 5

RC
COMPRESSOR
CONTACTOR 1
1
L1
(HOT)
L2
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. 11. Typical hookup of T7300D,F/Q7300A in two-stage heat and
two-stage cool conventional system with two transformers.
2
AS AS RC G
COMPRESSOR
CONTACTOR 1
DISCHARGE
AIR
SENSOR
FAN
RELAY
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.
3
USE A1 AND A2 WHEN THE CONTACTS SHOULD BE NORMALLY CLOSED IN OCCUPIED MODE. USE A2 AND A3 WHEN
THE CONTACTS SHOULD BE NORMALLY OPEN IN OCCUPIED MODE.
4
CONNECT GND TO EARTH GROUND.
5
INSTALL FIELD JUMPER BETWEEN X4 AND X TO POWER LEDS.
6
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
Fig. 12. Typical hookup of T7300D,F/Q7300A in two-stage heat and
two-stage cool conventional system with two transformers.
Q7300A,C,D,G SERIES 2000 COMMERCIAL THERMOSTAT SUBBASES
Y1 G Y2
2
COMPRESSOR
CONTACTOR 2
COOL
FAN
DAMPER
RELAY
5
Y1 Y2 X W2 W1
HEAT
RELAY 2
COMPRESSOR
CONTACTOR 2
HEAT
RELAY 1
SUBBASE
O X B W2
HEAT
RELAY 2
HEAT
DAMPER
SUBBASE
3
RH X4 X3 X1 A1 A2 A3
ECONOMIZER
EQUIPMENT
MONITOR 2
6
EQUIPMENT
MONITOR 1
5
W1 RH
HEAT
1
RELAY 1
L1
(HOT)
L2
HEATING
TRANSFORMER
M10236
C5 C4 C2
C3
CA2 CA1
CA5 CA4
CA3
T7147 REMOTE COMFORT ADJUST MODULE
1
L1
(HOT)
L2
HEATING
TRANSFORMER
C1 T T
T T
GND
4
M4945A
62-0135