![background image](http://html1.mh-extra.com/html/carrier/np034-074/np034-074_controls-operation-and-troubleshooting_2561402040.webp)
40
+
_
BLK
WHT
RED
+
_
BLK
WHT
RED
+
_
BLK
WHT
RED
+
_
BLK
WHT
RED
DPT1
DPT2
SPT1
SPT2
BLK
BLK
BLK
BLK
BLK
RED
RED
BRN
BRN
WHT
WHT
RES
RES
BLK
RED
WHT
WHT
WHT
WHT
RES
RES
7
8
10
11
13
14
10K OHM
1/2 WATT
5%
+
-
10K OHM
1/2 WATT
5%
+
-
10K OHM
1/2 WATT
5%
+
-
10K OHM
1/2 WATT
5%
+
-
16
17
PSIO NO. 1
TRANSDUCER ACCESSORY
J7
SUCTION GAS
TEMPERATURE
THERMISTOR
SUCTION GAS
TEMPERATURE
THERMISTOR
1
2
6
7
2
3
5
6
J7
PSIO NO. 2
CHANNEL 31
CHANNEL 32
SIZES
034-048
9
10
TB3
3
4
TB2
SIZES
054-104
RED
GRN
BLK
COMM
1
2
3
PSIO
NO. 1
COMM 1
1
2
3
4
RED*
BLK*
WHT*
TO CCN
NETWORK
LEVEL III
COMMUNICATION
BUS
(COMM)
Fig. 28 — Transducer/Thermistor Wiring
LEGEND
*Recommended wire colors for field-supplied cable.
Fig. 29 — CCN ComfortWORKS® Connection
Factory Wiring
Field Wiring
LEGEND
DPT
— Discharge Pressure
Transducer
RES
— Resistor
SPT
— Suction Pressure
Transducer
TB
— Terminal Block
Wire Nut
Wire Connector