Honeywell T7200 - Page 37

37 63-4038—7
T7200/T7300/Q7300
WIRING DIAGRAMS
L1
(HOT)
L2
1
2
M4398
R
G
Y1
FAN
HEAT 1
W1
Y1
FAN
AUX. HT
C/O CL
C/O HT
H1/C1
HVAC EQUIPMENT
TERMINAL STRIP
SYSTEM
TRANSFORMER
(IF NO "C" TERMINAL)
W3
COOL 1
G
C
3
AUXILIARY
RELAY
CONTACTS
A1
A2
A3
W3
X
E
R
W1
AUTO
COOL
OFF
HEAT
EM. HT
AUXILIARY
HEAT 1
E
EM. HT.
RELAY
REV.
VALVE
EM. HT.
LED (RED)
AUX. HT.
LED (RED)
SYSTEM
SWITCH
Q7300 HEAT PUMP SUBBASE
3
2
1
24 VAC SECONDARY; MUST BE ABLE TO CARRY ADDITIONAL 6 VA LOAD OF THERMOSTAT AND SUBBASE.
REVERSING VALVE MAY BE SWITCHED FROM Y1 TO W1, OR FROM AN INTERNAL EQUIPMENT CONTROLLER, DEPENDING ON
MANUFACTURER AND SYSTEM.
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. 39—T7300/Q7300D with 2-stage heat/1-stage cool heat pump system.