AERCO BMS 168 - Manual (Page 22)

mA OUT
RS-485
COMM.
+
-
+
-
ANALOG IN
SENSOR COMMON
OUTDOOR SENSOR IN
REMOTE INTL'K IN
B.M.S. (PWM) IN
SHIELD
+
-
+
-
AUX SENSOR IN
NOT USED
EXHAUST SWITCH IN
DELAYED INTL'K IN
FAULT RELAY
120 VAC, 5A, RES
AUX RELAY
120 VAC, 5A, RES
G
NOT USED NOT USED
NC
COM
NO
NC
COM
NO
NOT USED
PWM Connections
Open Door To
Access I/O Box
RS485 COMM Connections
Figure 8
PWM & RS485 CONNECTIONS AT
BENCHMARK BOILER WITH C-MORE CONTROL BOX
3-12