Fig. 13. Typical Hookup Of T7300F/Q7300H In Three-Stage Heat, Two-Stage Cool Heat Pump System; Fig. 14. Typical Hookup Of T7300F/Q7300H In Three-Stage Heat, Two-Stage Cool Heat Pump System - Honeywell Q7300H System Engineering

T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES
AS AS X Y1
COMPRESSOR
CONTACTOR 1
DISCHARGE
AIR
SENSOR
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE.
USE A2 AND A3 WHEN CONTACTS ARE NORMALLY OPEN IN OCCUPIED MODE.
3 CONNECT GND TO EARTH GROUND.
4 USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.

Fig. 13. Typical hookup of T7300F/Q7300H in three-stage heat, two-stage cool heat pump system

Y2
AS AS X Y1
COMPRESSOR
DISCHARGE
CONTACTOR 2
AIR
SENSOR
COMPRESSOR
CONTACTOR 1
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS.
3 USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE.
4
CONNECT GND TO EARTH GROUND.
Fig. 14. Typical hookup of T7300F/Q7300H in three-stage heat, two-stage cool heat pump system (with O/B terminals).
63-4365
G Y2 E W3 W2 W1 R
EM. HT.
HEAT
ECONOMIZER
RELAY
RELAY 2
FAN
HEAT
RELAY
RELAY 3
COMPRESSOR
HEAT
CONTACTOR 2
RELAY 1
(without O/B terminals).
O E G W1 B
AUX.
HEAT
FAN
HEAT
RELAY
CHANGEOVER
VALVE
EM. HT.
RELAY
COOL
CHANGEOVER
VALVE
SUBBASE
2
A1 A2 A3 C5 C4 C3 C2 C1
4
CA2 CA1
CA5 CA4 CA3
T7147 REMOTE COMFORT ADJUST MODULE
1
TRANSFORMER
SUBBASE
3
A1 A2
C5 C4 C3
R
CA5 CA4 CA3
T7147 REMOTE COMFORT ADJUST MODULE
ECONOMIZER
2
TRANSFORMER
16
EB EB
T T
LonWorks ® BUS
T T
LonWorks ® BUS
GND
3
L1
(HOT)
L2
M16057
C2 C1 T T EB EB
LonWorks ®
BUS
CA2 CA1
T T
LonWorks ®
GND
BUS
4
1
L1
(HOT)
L2
M16056