Honeywell T7350 Installation Instructions Manual page 12

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
T7770 REMOTE SENSOR
9 8 7
SUBBASE
T5 T6
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. 12. Typical hookup of T7350M in two-stage heat (one modulating) and two-stage cool (one modulating)
T7770 REMOTE SENSOR
9 8 7
SUBBASE
T5 T6
EB EB
LONWORKS
®
BUS
LONWORKS
®
BUS
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. 13. Typical hookup of T7350H1017 for system with two independent heat stages (one modulating),
two independent cool stages (one modulating), and two transformers.
62-0195—04
OUTDOOR
AIR
SENSOR
6 5 4 3 2 1
T7 T4 T3
OS OS
HS HC HP M M
HUMIDITY
MOTION
SENSOR
SENSOR
conventional system with two transformers.
OUTDOOR
AIR
SENSOR
6 5 4 3 2 1
T7 T4 T3 OS OS
HS HC HP M M
HUMIDITY
MOTION
SENSOR
SENSOR
MODULATING
DISCHARGE
HEAT
–
AIR
(4-20 mA)
+
SENSOR
AS AS MX MH MC
X RH RC AUX W1
2
HEAT
RELAY 1
COMPRESSOR
CONTACTOR 1
3
ECONOMIZER
MODULATING
DISCHARGE
HEAT
–
AIR
(4-20 mA)
+
SENSOR
AS AS MX MH MC
X RH RC AUX W1
2
HEAT
RELAY 1
COMPRESSOR
CONTACTOR 1
3
ECONOMIZER
12
MODULATING R
COOL
–
(4-20 mA) X
+
R
X
Y1 G
FAN
RELAY
TRANSFORMER
MODULATING R
COOL
–
(4-20 mA) X
+
R
X
AUX
Y1 G
FAN
RELAY
TRANSFORMER
L2
1
L1
(HOT)
COOLING
M22006
L2
1
L1
(HOT)
COOLING
M27229