77
a50-8236
Fig. 91 — 50BVJ,W Variable Air Volume Control Wiring Diagram
NOTE: Jumper installed for condenser water flow switch when not supplied.
STANDARD COMPONENTS:
CS - COMPRESSOR STATUS (1-4)
- CURRENT SENSOR (4 IN 4 STAGE UNITS)
DSS - DUCT STATIC SENSOR
LWTS - LEAVING WATER TEMPERATURE SENSOR
RAT - RETURN AIR TEMPERATURE SENSOR
SAT - SUPPLY AIR TEMPERATURE SENSOR
OPTIONAL COMPONENTS:
[ ] IN4 - CO2 SENSOR
[ ] IN5 - RELATIVE HUMIDITY SENSOR
[ ] IN7 - ENTERING WATER TEMP
SIGNAL
COM
SIGNAL
COM
5
2
3
2
1
1
4
2
1