G. 9 throu, T7350 commercial programmable thermostat – Honeywell COMMERCIAL PROGRAMMABLE T7350 User Manual
Page 13
T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
13
63-4368
Fig. 9. Typical hookup of T7350H1009 in three-stage heat and three-stage cool conventional system with one
transformer.
Fig. 10. Typical hookup of T7350H1009 with auxiliary transformer.
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.
HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
1
M22499
2
3
2
3
4
RC
AUX
X
SUBBASE
W1
G
T7770 REMOTE SENSOR
Y1
W3/Y4 Y3
W2
Y2
AUX
RH
T5
T6
T7
T4
T3
DISCHARGE
AIR
SENSOR
OUTDOOR
AIR
SENSOR
MOTION
SENSOR
HUMIDITY
SENSOR
M
OS
OS
AS
AS
M
HC
HP
HS
EB
EB
1
4
L2
L
ON
W
ORKS
®
BUS
COMPRESSOR
CONTACTOR 1
COMPRESSOR
CONTACTOR 2
HEAT
RELAY 1
1
2
3
4
5
6
7
8
9
FAN
RELAY
ECONOMIZER
HEAT
RELAY 2
COMPRESSOR
CONTACTOR 3
HEAT
RELAY 3
L
ON
W
ORKS
®
BUS
L1
(HOT)
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.
HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
1
M22497
2
3
2
3
4
RC
AUX
X
SUBBASE
W1
G
T7770 REMOTE SENSOR
Y1
W3/Y4 Y3
W2
Y2
AUX
RH
T5
T6
T7
T4
T3
DISCHARGE
AIR
SENSOR
OUTDOOR
AIR
SENSOR
MOTION
SENSOR
HUMIDITY
SENSOR
M
OS
OS
AS
AS
M
HC
HP
HS
EB
EB
1
4
L1
(HOT)
L2
L
ON
W
ORKS
®
BUS
COMPRESSOR
CONTACTOR 1
COMPRESSOR
CONTACTOR 2
HEAT
RELAY 1
1
2
3
4
5
6
7
8
9
FAN
RELAY
HEAT
RELAY 2
COMPRESSOR
CONTACTOR 3
HEAT
RELAY 3
L
ON
W
ORKS
®
BUS
L2
ECONOMIZER
AUXILIARY
TRANSFORMER
L1
(HOT)