System Sensor D4P120 Installation Instructions Manual Download

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Page 6

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

J250

P250

J252

A173

SMOKE

DETECTOR

POWER

BOARD

4 PIN

6 PIN

GND

FIGURE 8

6 PIN

A172

SUPPLY AIR

SENSOR

J253

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

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

Summary of Contents for D4P120

Page 1: ...rty damage personal injury or loss of life Installation and ser vice must be performed by a licensed professional installer service agency or the gas supplier Supply AND Return Air Applications 11K80 dual sensor kit contains the following 2 Smoke detector sensors 1 Smoke detector power board 2 Supply brackets 1 Hinged panel 1 Hinged panel mounting bracket 1 Panel holder 1 Power harness J255 1 4 us...

Page 2: ...2 Slide metal sampling tube onto the back side of the sensor When sensor is installed in return air applications slide plastic exhaust tube onto back side of sensor See figure 3 NOTE Plastic exhaust tube is NOT used in supply air applications and should be discarded 3 Orient sampling tube so that holes point toward the air stream FIGURE 1 SMOKE DETECTOR COMPONENT LOCATIONS ROUTE P253 SUPPLY AIR HA...

Page 3: ... Point sampling holes toward air stream Wiring FIGURE 4 KC KG KH CONTROLS AREA GROUND TAB DISCONNECT UNIT WIRES LABELED 1 AND 4 CONNECT TO KIT HARNESS WIRES LABELED 1 AND 4 J255 P250 P252 ROUTE P251 TO RETURN AIR SENSOR ROUTE P253 TO SUPPLY AIR SENSOR BUNDLE AND SECURE J255 HARNESS NEAR P250 AND P252 IDENTIFY CONNECTORS BY LABELS STAMPED ON WIRES ...

Page 4: ... 32 X 1 2 screws to secure smoke detector hinged panel to hinged panel mounting bracket See details A and B on figure 5 6 Use two 8 32 X 1 2 screws to secure panel holder to left side of compressor wrapper 7 Use two 8 32 X 1 2 screws to secure hinged panel assembly to control box 8 Secure P255 J250 and J252 harness ends to the insertion type wire tie located in the control box 9 Make jack plug con...

Page 5: ... 2 3 or 4 Wires marked P250 1 2 3 or 4 Wires marked J255 1 2 3 or 4 Kit harness connections shown in bold P250 P252 4 Wires A173 SMOKE DETECTOR POWER BOARD KC KG or KH Unit Application with Single Supply Air Smoke Detector Note Verify that power board DIP switch is set to 1 53W80 A172 SUPPLY AIR SENSOR J253 J255 P255 J250 J252 4 PIN 4 PIN 4 PIN 4 PIN 6 PIN 6 PIN 1 4 GND FIGURE 7 6 PIN P253 6 PIN 6...

Page 6: ...2 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 J262...

Page 7: ...nd place it on a metal surface near the sensor The magnet is used during test procedures Maintenance and Test Procedure Instructions The sensor manufacturer s instructions which are provided with each sensor outline information on maintenance and test procedures Place these instructions in the literature pouch for future reference P250 LC or LG Unit Application with Single Return Air Smoke Detecto...

Page 8: ...ked P252 1 2 3 or 4 Wires marked J261 1 2 3 or 4 Wires marked P250 1 2 3 or 4 Kit harness connections shown in bold P252 P253 P250 J255 4 Wires 4 Wires LC or LG Unit Application with Return Air and Supply Air Smoke Detectors Note Change power board DIP switch setting to 2 53W81 FIGURE 12 J250 A171 RETURN AIR SENSOR J251 P251 P255 J252 A172 SUPPLY AIR SENSOR A173 SMOKE DETECTOR POWER BOARD J253 A55...

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