Service, Smart control module, Control inputs – Lochinvar CREST 3 User Manual
Page 8
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Service
8
Service Manual
1
Service
GAS PRESSURE SWITCHES
HWG THERMOSTAT /
SENSOR
ENABLING DEVICE
SYSTEM SENSOR -
SUPPLY
OUTDOOR SENSOR
SEQUENCER / BUILDING
MANAGMENT SYSTEM
LOW VOLTAGE
CONNECTION
BOARD
INLET TEMPERATURE
SENSOR
OUTLET TEMPERATURE /
HI-LIMIT SENSOR
FLUE GAS SENSOR
LOUVER PROVING SWITCH
FLAME SENSOR 1 & 2
LOW WATER CUTOFF
BLOCKED DRAIN SWITCH
DISPLAY PANEL
PC INTERFACE
SMART CONTROL
MODULE
AIR PRESSURE SWITCH
SYSTEM SENSOR -
RETURN
AUX SWITCH 1 & 2
0-10 INPUT FROM
SYSTEM PUMP
BLOWER PROVING
SWITCHES
CASCADE
INLET AIR SENSORS
MANUAL RESET
HIGH LIMIT
VENT DAMPER
PROVING SWITCH
MODBUS
BOARD
Control inputs