Honeywell T7200 - Page 38

63-4038—7 38
T7200/T7300/Q7300
WIRING DIAGRAMS
L1
(HOT)
L2
1
2
M4400
R
R
O
G
FAN
AUXILIARY
HEAT 1
REV.
VALVE
W1
G
FAN
AUX HT
H1/C1
C2
HVAC EQUIPMENT
TERMINAL STRIP
SYSTEM
TRANSFORMER
(IF NO "C" TERMINAL)
Y2
Y1
Y2
W1
EM. HT.
RELAY
E
COMP. 2
COMP. 1
C
E
X
B
B
AUTO
COOL
OFF
HEAT
EM. HT
EM. HT.
LE D(RED)
AUX. HT.
LED (RED)
SYSTEM
SWITCH
CO HT
CO CL
O
Y1
3
AUXILIARY
RELAY
CONTACT
A1
A2
Q7300 HEAT PUMP SUBBASE
3
2
1
24 VAC SECONDARY; MUST BE ABLE TO CARRY ADDITIONAL 6 VA LOAD OF THERMOSTAT AND SUBBASE.
WIRE O TO REVERSING VALVE FOR COOLING CHANGEOVER. WIRE B TO REVERSING VALVE FOR HEATING CHANGEOVER.
24 VAC ONLY.
L1
(HOT)
L2
1
3
CA2
CA1
CA3
CA4
CA5
T
T
COM
LED1
LED2
T7300
THERMOSTAT
EXISTING HVAC EQUIPMENT
T7147
REMOTE
COMFORT
ADJUST
MODULE
ECONOMIZER
ON
AUTO
FAN SWITCH
Fig. 40—T7300/Q7300C with 2-stage heat/2-stage cool heat pump system using O or B terminal for reversing
valve.