System Sensor D4P120 - KC, KG, KH Dual Detector Wiring; Return and Supply Air Smoke Detector Wiring (KC;KG;KH)

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P251
P252
P253
J255
KC, KG or KH Unit Application with Return Air and Supply Air Smoke Detectors
(Note: Change power board DIP switch setting to 2)
53W81
A171
RETURN AIR
SENSOR
J251
P255
J250P250
J252
A173
SMOKE
DETECTOR
POWER
BOARD
4 PIN 4 PIN
4 PIN
4 PIN
6 PIN
6 PIN
1
4
GND
FIGURE 8
6 PIN
A172
SUPPLY AIR
SENSOR
J253
4 PIN 4 PIN
6 PIN
J261
P250
4 PIN
6 PIN
Discard This Harness - Not Used In This Application
Wires marked
J261-1, 2, 3, or 4
Wires marked
P250-1, 2, 3, or 4
4 Wires 4 Wires
4 Wires
4 Wires
4 Wires
Kit harness connections
shown in bold.
Wires marked
P251-1, 2, 3, or 4
Wires marked
P250-1, 2, 3, or 4
Wires marked
P253-1, 2, 3, or 4
Wires marked
P252-1, 2, 3, or 4
FIGURE 9
LC & LG CONTROLS AREA
J262C
P252
J255
P250
ROUTE P251 TO RE
TURN AIR SENSOR
ROUTE P253 TO
SUPPLY AIR SENSOR
INSERTION
WIRE TIE