Fig. 15. Typical Hookup Of T7300F/Q7300H In Three-Stage Heat, Three-Stage Cool Conventional System; Fig. 16. Typical Hookup Of T7300F/Q7300H In Two-Stage Heat, One-Stage Cool Conventional System - Honeywell Q7300H System Engineering

T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES
AS AS RC Y1 G
2
COMPRESSOR
COMPRESSOR
CONTACTOR 1
DISCHARGE
CONTACTOR 2
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 CONTACTS ARE NORMALLY CLOSED
IN OCCUPIED MODE. USE A2 AND A3 WHEN CONTACTS
ARE NORMALLY OPEN IN OCCUPIED MODE.

Fig. 15. Typical hookup of T7300F/Q7300H in three-stage heat, three-stage cool conventional system.

AS AS FC GL GH
HIGH
SPEED
DISCHARGE
FAN
AIR
RELAY
SENSOR
LOW
SPEED
FAN
RELAY
1
L1
(HOT)
L2
FAN TRANSFORMER
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 CONNECT GND TO EARTH GROUND.
3 SEE TABLE 2 FOR VALVE AND VALVE ACTUATOR MODELS.

Fig. 16. Typical hookup of T7300F/Q7300H in two-stage heat, one-stage cool conventional system.

SUBBASE
Y2 Y3 X W3 W2 W1 RH
HEAT
ECONOMIZER
RELAY 2
COMPRESSOR
CONTACTOR 3
HEAT
HEAT
RELAY 3
RELAY 1
SUBBASE
RM BM P1 P2
X R Y
ML7984
VALVE
ACTUATOR
3
COOLING
PUMP
RELAY INTERLOCK
RELAY
3
A1 A2 A3 C5 C4 C3 C2
5
CA2
CA5 CA4 CA3
T7147 REMOTE COMFORT ADJUST MODULE
1
L1
(HOT)
L2
HEATING
TRANSFORMER
4
CONNECT GND TO EARTH GROUND.
5 USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
A1 A2 C5 C4 C3 C2 C1
DAMPER
CONTROL
RELAY
CA2 CA1 T
CA5 CA4 CA3
T7147 REMOTE COMFORT
ADJUST MODULE
L1
(HOT)
1
L2
TRANSFORMER
17
EB EB
C1 T T
LonWorks ®
BUS
CA1 T T
LonWorks ®
GND BUS
4
M16058
T T EB EB
LonWorks ® BUS
T
LonWorks ® BUS
GND
2
M16059
63-4365