Wiring For W7340 And W7345 - Honeywell Design and Application Technical Reference Manual

Wiring for W7340 and W7345

2-10 Vdc 2-10 Vdc
FEEDBACK CONTROL
OUTPUT SIGNAL INPUT
+ – + –
2-10 Vdc
2-10 Vdc
CONTROL
FEEDBACK
SIGNAL
INPUT
OUTPUT
C
B D
MIN POS/
DCV MIN
A E
3
+ –
POWER C7600C
EXHAUST OUTDOOR
CONTACTOR AIR
HUMIDITY
3
MIXED OUTDOOR
AIR TEMP AIR TEMP
SENSOR SENSOR
10K NTC 10K NTC
1 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
OPTIONAL REMOTE MINIMUM POSITION POTENTIOMETER.
3
WHEN USING C7400 ENTHALPY SENSORS, CONNECT THE ENTHALPY SENSOR TO THE
HUMIDITY SENSOR TERMINALS. LEAVE THE TEMPERATURE SENSOR TERMINALS EMPTY.
W7340 Typical Wiring
C
B D
MINIMUM
POSITION
A E
MIXED
AIR TEMP
SENSOR
10K NTC
1 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 OPTIONAL REMOTE MINIMUM POSITION POTENTIOMETER.
W7345 Typical Wiring.
Section 10 - W7340 and W7345 Economizer Module
M7215
24 VAC
TR1 TR
W7340
MOD
BUS
– +
DCV
SETPOINT
3
+ – + –
RETURN DCV
AIR TEMP SENSOR
SENSOR (0-10 Vdc)
10K NTC
C7600C
RETURN
AIR
3
HUMIDITY
M7215
24 VAC
TR1 TR
W7345
MOD
BUS
– +
101
MOD BUS –
MOD BUS +
– L1
1
24 VAC
+
L2
S963B 2
R
CCW CW
OPEN CLOSE
B W
M23875
MOD BUS –
MOD BUS +
–
L1
1
24 VAC
+
L2
2
S963B
R
CCW CW
CLOSE
OPEN
B W
M23876
Honeywell Economizers 63-8594-02