Honeywell H7635C Manual Do Utilizador
H7625B; H7635B,C; H7655B DUCT-MOUNT AND OUTDOOR-MOUNT HUMIDITY/TEMPERATURE SENSORS
3
63-2579—3
WIRING
For voltage output, shielded cable (16-22 AWG) should
be used.
be used.
For current output, either shielded cable or twisted pair
(16-22 AWG) can be used.
(16-22 AWG) can be used.
NOTE: When using shielded cable, ground the shield
only at the controller end (see Fig. 2). Grounding
both ends can cause a ground loop.
both ends can cause a ground loop.
The 20K ohm NTC temperature output is accessed
through the separate blue and green wires (located inside
the enclosure).
through the separate blue and green wires (located inside
the enclosure).
Fig. 2. Typical wiring diagram for transducer with two-
wire mA output and external DC power supply.
Fig. 3. Humidity sensor (0-10 Vdc output) wiring with T7350
(use with RH/Temperature combination T7350 units only).
mA OUTPUT
TRANSDUCER
ONLY
18 TO 36 Vdc
POWER SUPPLY
CONTROLLER, METER
OR RECORDER
OR RECORDER
INPUT SIGNAL
COMMON
Vin
+
+
Io
–
–
M22528
GROUND
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.
HC AND HP PROVIDE 24 VAC TO THE HUMIDITY SENSOR.
1
M22529
2
3
2
3
4
5
5
RC
X
T7350
SUBBASE
SUBBASE
W1
G
T7770 REMOTE SENSOR
Y1
W3/Y4 Y3
W2
Y2
AUX
RH
T5
T6
T7
T4
T3
DISCHARGE
AIR
SENSOR
AIR
SENSOR
OUTDOOR
AIR
SENSOR
AIR
SENSOR
MOTION
SENSOR
SENSOR
HUMIDITY SENSOR
M
OS
OS
AS
AS
M
HC
HP
HS
Gnd
Vin
(Vac)
Vo
(0-10 Vdc)
1
4
L1
(HOT)
L2
COMPRESSOR
CONTACTOR 1
CONTACTOR 1
COMPRESSOR
CONTACTOR 2
CONTACTOR 2
HEAT
RELAY 1
RELAY 1
1
2
3
4
5
6
7
8
9
FAN
RELAY
RELAY
ECONOMIZER
HEAT
RELAY 2
RELAY 2
COMPRESSOR
CONTACTOR 3
CONTACTOR 3
COMPRESSOR
CONTACTOR 4
CONTACTOR 4