Carrier 48MPD Installation, Start-Up And Service Instructions Manual page 22

LEGEND
DPT — Duct Pressure
Transducer
SPT — Suction Pressure
Transducer
TB — Terminal Block
TRANSDUCER ACCESSORY
_
DPT1
+
_
DPT2
+
_
SPT1
+
_
SPT2
+
4
TB3
5
SUCTION GAS
1
TEMPERATURE
THERMISTOR
SUCTION GAS
2
TEMPERATURE
THERMISTOR
Fig. 27 — Transducer/Thermistor
COMM
CCN NETWORK
_
_
LEVEL II
COMMUNICATIONS
BUS (COMM)
Fig. 28 — CCN Building Supervisor
BLK
WHT
BLK
RED
BLK
RED
WHT
RED
BLK
BLK
WHT
RED
BLK
BLK
RED
BLK
WHT
RED BLK
BLK
RED
PSIO
NO. 1
1 RED 1
2 GRN 2
3
BLK 3
4
COMM 1
22
PSIO NO. 1
J7
WHT
WHT 7
RES
8
10K OHM
1/2 WATT
+ -
5%
WHT
WHT 10
RES
11
10K OHM
1/2 WATT
+ -
5%
WHT
BRN 13
RES
14
10K OHM
1/2 WATT
+ -
5%
BRN WHT
16
RES
17
10K OHM
1/2 WATT
+ -
5%
J7
PSIO NO. 2
6
2
CHANNEL 31
3
7
5
CHANNEL 32
6