Honeywell T7350 Product Data page 27

T7770 REMOTE SENSOR
9 8
SUBBASE
T5
L2
1 2
L1
(HOT)
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.
2
3 HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.
4 USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
Fig. 21. Typical hookup of T7350D in two-stage heat and four-stage cool conventional system.
T7770 REMOTE SENSOR
9
SUBBASE
®
L W
ON ORKS
BUS
®
L W
ON ORKS
BUS
L2
1 2
L1
(HOT)
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.
3
HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.
4 USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
Fig. 22. Typical hookup of T7350H1009 in three-stage heat and three-stage cool conventional system with one
OUTDOOR
AIR
SENSOR
7 6 5 4 3 2 1
T6 T7 T4 T3
OS OS
HS HC HP M M
HUMIDITY MOTION
SENSOR
SENSOR
OUTDOOR
AIR
SENSOR
8 7 6 5 4 3 2 1
T5 T6 T7 T4 T3 OS
EB EB HS HC HP M
HUMIDITY
MOTION
SENSOR
SENSOR
transformer.
T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
HEAT
RELAY 2
DISCHARGE
AIR COMPRESSOR
SENSOR CONTACTOR 4
AS AS W3/Y4 Y3 W2
X RH RC AUX W1 Y1
3
HEAT
RELAY 1
COMPRESSOR
CONTACTOR 1
4
ECONOMIZER
4
ECONOMIZER
DISCHARGE
HEAT
HEAT
AIR
RELAY 3
RELAY 2
SENSOR
OS AS AS AUX W3/Y4 Y3
M X RH RC AUX W1
3
HEAT
RELAY 1
COMPRESSOR
CONTACTOR 1
27
COMPRESSOR
CONTACTOR 2
Y2
G
COMPRESSOR
CONTACTOR 3
FAN
RELAY
M19768A
COMPRESSOR
CONTACTOR 2
W2 Y2
Y1 G
COMPRESSOR
CONTACTOR 3
FAN
RELAY
M22489
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