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Service, Smart control module, Control inputs – Lochinvar KNIGHT 399 User Manual

Page 8

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Service

8

Service Manual

1

Service

GAS PRESSURE SWITCH

(OPTIONAL)

DHW THERMOSTAT

(OPTIONAL)

ROOM THERMOSTAT /

ZONE CONTROL

FLOW SWITCH

SYSTEM SENSOR

OUTDOOR SENSOR

(OPTIONAL)

SEQUENCER / BUILDING

MANAGEMENT SYSTEM

(OPTIONAL)

LOW VOLTAGE

CONNECTION

BOARD

INLET TEMPERATURE

SENSOR

OUTLET TEMPERATURE

SENSOR

FLUE GAS SENSOR

HIGH LIMIT

FLAME SENSOR

LOW WATER CUTOFF

(OPTIONAL)

BLOCKED DRAIN SWITCH

DISPLAY PANEL

PC INTERFACE

(OPTIONAL)

SMART CONTROL

MODULE

DHW TANK SENSOR

(OPTIONAL)

AIR PRESSURE SWITCH

Control inputs