TM
Installation & Service Manual
8Field wiring (continued)
Figure 8-4 Control Inputs/Outputs
TANK SENSOR
LOW WATER CUTOFF
INLET TEMPERATURE
SENSOR
OUTLET TEMPERATURE /
HIGH LIMIT SENSOR
FLUE GAS SENSOR
BLOCKED AIR INLET PRESSURE SWITCH
FLAME SENSOR
BLOCKED DRAIN SWITCH
DISPLAY PANEL
LOW VOLTAGE
CONNECTION
BOARD
CONNECTION | INPUTS |
LOW VOLTAGE |
|
BOARD |
|
CONTROL BOARD
ALARM BELL (ALARM CONTACTS) OUTPUTS
RUNTIME CONTACTS
WHR PUMP
IGNITER
BLOWER
CONTROL BOARD
GAS VALVE
DISPLAY PANEL
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