Honeywell T7350 User Manual page 21

T7770 REMOTE SENSOR
9 8 7 6 5 4
SUBBASE
T5 T6 T7
L2
1
L1
(HOT)
HEATING
TRANSFORMER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
1
2 WHEN INSTALLED ON A SYSTEM WITH TWO TRANSFORMERS, REMOVE THE FACTORY-INSTALLED JUMPER.
3
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
Fig. 14. Typical hookup of T7350B in two-stage heat and two-stage cool conventional system
T7770 REMOTE SENSOR
9 8 7 6 5 4
SUBBASE
T5 T6 T7
L2
1
L1
(HOT)
HEATING
TRANSFORMER
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 WHEN INSTALLED ON A SYSTEM WITH TWO TRANSFORMERS, REMOVE THE FACTORY-INSTALLED JUMPER.
3
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
Fig. 15. Typical hookup of T7350B in three-stage heat and two-stage cool heat pump system
OUTDOOR
AIR
SENSOR
DISCHARGE
3 2 1
AIR
SENSOR
T4 T3 OS OS AS AS
X RH
2
with two transformers.
OUTDOOR
AIR
SENSOR
DISCHARGE
3 2 1
AIR
SENSOR
T4 T3 OS OS AS AS
X RH
2
with two transformers.
21
T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
COMPRESSOR
CONTACTOR 2
HEAT
RELAY 2
W2 Y2
RC AUX W1 Y1 G
FAN
HEAT
RELAY
RELAY 1
COMPRESSOR
CONTACTOR 1
3
ECONOMIZER
COOLING
TRANSFORMER
AUX HEAT
STAGE 1
COMPRESSOR
CONTACTOR 2
W2 Y2
RC AUX O/B Y1 G
FAN
CHANGE
RELAY
OVER
COMPRESSOR
CONTACTOR 1
3
ECONOMIZER
COOLING
TRANSFORMER
L2
1
L1
(HOT)
M19765A
L2
1
L1
(HOT)
M19767A
63-2605—2