Knight 80 - Page 45

Installation & Operation Manual
45
8 Field wiring (continued)
AUX. DEVICE PILOT SUPPLY
24VAC
GND
AUX. DEVICE
PROVING GAS PRESSURE
SWITCH FLOW
SWITCH
ALARM CONTACTS RUNTIME
CONTACTS SYSTEM
SENSOR DHW TANK
SENSOR OUTDOOR
SENSOR SHIELD GROUN
D
0-10VDC EXTERNAL
GND CONTROL
DHW THERMOSTAT
R
W
ROOM THERMOSTAT /
ZONE CONTROL
A B SHIELD GROUND
SEQUENCING
LOW WATER
CUTOFF
CN1 CN2
CN3
CN4
CN5
AUX. DEVICE
RELAY
FLOW SWITCH
TANK THERMOSTAT
WALL THERMOSTAT /
ZONE CONTROL
SYSTEM SUPPLY SENSOR
OUTDOOR SENSOR
BUILDING
MANAGMENT
SYSTEM
LOW WATER
CUTOFF
AUX. DEVICE
PROVING SWITCH
COM
NO
A
A
B
A B
SHIELD
SHIELD
FROM
PREVIOUS
BOILER
TO NEXT
BOILER
(AUX) DHW TANK SENSOR
Figure 8-3 Low Voltage Field Wiring Connections