System Sensor D4P120 Manual de usuario

506791−01

*P506791-01*

07/11

*2P0711* Page 1

INSTALLATION INSTRUCTIONS FOR SMOKE DETECTOR KITS (603408−07 & 08;

83W40 & 41) USED WITH KC/KG/KH/LCH/LGH156−360 UNITS

Litho U.S.A.

506791−01

7/2011

Supersedes 5/2011

2011 D4P120 & D4S

SMOKE DETECTOR KITS

PACKAGED UNITS KITS

AND ACCESSORIES

Shipping and Packing List

83W40 single−sensor kit contains:

1− Smoke detector sensor

1− Smoke detector power board

1− Power board mounting bracket

1− Supply bracket

1− Power harness J255 (used on KC/KG/KH units only)

1− Jumper harness P250/J261 (used with supply air

applications only)

2− Metal sampling tubes

1− Plastic exhaust tube

1− Magnet

1− Grommet

1− Sensor manufacturer’s instructions

4− #8 − 32 X 1" thread −forming screws

#10 − 32 X 3/8" thread forming screws

1− Insertion wire tie

83W41 dual−sensor kit contains:

2− Smoke detectors

1− Smoke detector power board assembly

1− Power board mounting bracket

1− Supply bracket

1− Power harness J255 (used on KC/G/KH units only)

2− Metal sampling tubes

2− Plastic exhaust tubes

2− Magnets

1− Grommet

1− Sensor manufacturer’s instructions

6− #8 − 32 X 1" thread −forming screws

#10 − 32 X 3/8" thread forming screws

1− Insertion wire tie

CAUTION

Before attempting to perform any service or

maintenance, turn the electrical power to unit OFF

at disconnect switch.

Application

LCH and LGH Units −− Smoke detector will send a 24Vac

signal to the unit controller when smoke is sensed. The unit

controller default mode will de−energize unit.

KC/KG/KH Units −−Smoke detector will interrupt the

24Vac signal to the unit control circuit when smoke is

sensed. Unit will be de−energized.

Kit 83W40 (603408−07) is used in either supply or return

air applications. Kit 83W41 (603408−08) is used when

both supply and return air smoke detectors are installed.

Installation

WARNING

Improper installation, adjustment, alteration, ser-

vice or maintenance can cause property damage,

personal injury or loss of life. Installation and ser-

vice must be performed by a qualified installer, ser-

vice agency or the gas supplier

CAUTION

Danger of sharp metallic edges. Can cause injury.

Take care when servicing unit to avoid accidental

contact with sharp edges.

Smoke detector sensor and power board installation

Use manufacturer’s instructions provided with smoke

detector to install sensor(s) and power board.

156, 180, 210, 240, 300S Units −

Install the power board on the compressor rail using the

bracket provided in the kit. See figure 1. When mounting

holes are not available on the compressor rail, install

power board on the compressor section wall and discard

the mounting bracket provided in kit.

242H, 300H, 360 Units −

Install the power board on the compressor section wall

and discard the mounting bracket provided in kit. See

figure 2.

Refer to figure 1 for location of power board, supply air

sensor and return air sensor.

Page 2

FIGURE 1

SMOKE DETECTOR COMPONENT LOCATIONS

POWER BOARD

(secure by two

#8 screws)

BRACKET

#8 SCREWS

#10 SCREWS (4)

GROMMET

ALTERNATE LOCATION:

PREFERRED LOCATION:

POWER BOARD

(secure to mounting

bracket by #8 screws;

secure to compressor rail

by #10 srews)

SUPPLY AIR SAMPLING SENSOR

(sampling holes pointing into air stream)

RETURN AIR

SAMPLING

SENSOR

(sampling holes

pointing

downward)

INSERTION WIRE TIE

(use to secure harness

to side of power board)

SMOKE DETECTOR

POWER BOARD

JACK/PLUG LOCATION

(P255, J250 & J252)

PLASTIC EXHAUST TUBE

METAL SAMPLING TUBE

(1560300S Unit With Economizer Shown)

FIGURE 2

(

SMOKE DETECTOR POWER BOARD LOCATION

(242H, 300H, 360H Unit Shown)

POWER

BOARD

Page 3

Sampling tube installation

1− Select the appropriate sampling tube.

Return air sensor −− 36"

Supply air sensor −− 30"

2− Slide metal sampling tube and plastic exhaust tube

onto the back side of the sensor as shown in figure 3.

3− Orient sampling tube so that holes point toward the

air stream.

FIGURE 3

SMOKE DETECTOR SENSOR WITH SAMPLING TUBE AND EXHAUST TUBE

PLASTIC EXHAUST TUBE

SENSOR HEAD

MAGNET TEST

LOCATION

METAL SAMPLING TUBE

(Point sampling holes

toward air stream)

Page 4

Wiring − KG/KC/KH Units

1− Locate and disconnect wires labeled SM−1 and SM−4

in control area. See figure 4.

2− Connect wires labeled SMOKE−1 and SMOKE−4

from kit power harness to wires labeled SM−1 and

SM−4 in unit. Connect wire labeled GND from the kit

harness to the ground tab in unit. Position J255 from

power harness near the power board jack/plugs in the

compressor section. Use markings on wires to

identify jack/plugs.

3− Make jack/plug connections as shown in figure 5

when installing return air smoke detector only, figure

6 when installing supply air smoke detector only and

figure 7 when installing both supply and return air

smoke detectors.

FIGURE 4

KC, KG & KH CONTROLS AREA

SM1 SM4

SMOKE−4

SMOKE−1

J255

GND

P255

DISCONNECT UNIT WIRES

SM1 FROM SM4

A173

SMOKE DETECTOR

SENSOR BOARD

Page 5

Wiring − KG/KC/KH Units (continued)

FIGURE 5

KC, KG or KH Unit Application with Single Return Air Smoke Detector

(Note: Verify that power board DIP switch is set to 1)

SENSOR

J251 J250P250

J252

4 PIN4 PIN

4 PIN4 PIN

6 PIN

SM−1

SM−4 GND

Power Harness

6 PIN

P251

A171

RETURN AIR

RETURN AIR SECTION

COMPRESSOR COMPARTMENT

Discard P250/J261

Harness Provided In Kit

A173

SMOKE

DETECTOR

POWER

BOARD

Set DIP

switch to 1

Provided

in Unit J255P255

FIGURE 6

KC, KG or KH Unit Application with Single Supply Air Smoke Detector

(Note: Verify that power board DIP switch is set to 1)

SENSOR

J253

4 PIN4 PIN

SM−1

SM−4 GND

Power Harness

P253 P252

6 PIN6 PIN

J261

Jumper Harness

A172

SUPPLY AIR

Provided In Kit

SUPPLY AIR

SECTION

COMPRESSOR COMPARTMENT

Provided

in Unit J255P255

J250P250

J252

4 PIN4 PIN

6 PIN

A173

SMOKE

DETECTOR

POWER

BOARD

Set DIP

switch to 1

FIGURE 7

KC, KG or KH Unit Application with Return Air and Supply Air Smoke Detectors

(Note: Change power board DIP switch setting to 2)

SENSOR

J251

J255P255

J250P250

J252

4 PIN4 PIN

4 PIN

6 PIN

SM−1

SM−4 GND

Power Harness

6 PIN

SENSOR

J253

4 PIN4 PIN

P251

P253 P252

6 PIN

A171

RETURN AIR

A172

SUPPLY AIR

SUPPLY AND RETURN AIR SECTIONS

COMPRESSOR COMPARTMENT

Discard P250/J261

Harness Provided In Kit

A173

SMOKE

DETECTOR

POWER

BOARD

Provided

in Unit

Set DIP

switch to 2

Page 6

Wiring − LGH/LCH Units

Make jack/plug connections as shown in figure 8 when

instaling return air smoke detector only, figure 9 when

installing supply air smoke detector only and figure 10

when instaling both supply and return air smoke

detectors. Plugs are located in the unit near the location of

the sensor(s) and power board. See figure 1.

FIGURE 8

SENSOR

J251

J255P255

J250P250

J252

4 PIN4 PIN

4 PIN4 PIN

6 PIN

P251

A171

RETURN AIR

RETURN AIR SECTION

COMPRESSOR COMPARTMENT

Discard both harnesses

provided in kit

A173

SMOKE

DETECTOR

POWER

BOARD

LCH or LGH Unit Application with Single Return Air Smoke Detector

(Note: Verify that power board DIP switch is set to 1)

Provided

in Unit

Set DIP

switch to 1

FIGURE 9

SENSOR

J253

4 PIN4 PIN

P253 P252

6 PIN6 PIN

J261

A172

SUPPLY AIR

SECTION

COMPRESSOR COMPARTMENT

Provided

in Unit

J255P255

J250P250

J252

4 PIN4 PIN

6 PIN

A173

SMOKE

DETECTOR

POWER

BOARD

LCH or LGH Unit Application with Single Supply Air Smoke Detector

(Note: Verify that power board DIP switch is set to 1)

Set DIP

switch to 1

Jumper Harness

Provided In Kit

Discard P255 power

harness provided in kit

FIGURE 10

SENSOR

J251

J255P255

J250P250

J252

4 PIN4 PIN

4 PIN

6 PIN

SENSOR

J253

4 PIN4 PIN

P251

P253 P252

6 PIN

A171

RETURN AIR

A172

SUPPLY AIR

SUPPLY AND RETURN AIR SECTIONS

COMPRESSOR COMPARTMENT

A173

SMOKE

DETECTOR

POWER

BOARD

LCH or LGH Unit Application with Single Supply Air Smoke Detector

(Note: Verify that power board DIP switch is set to 1)

Provided

in Unit

Set DIP

switch to 2

Discard both harnesses

provided in kit

Page 7

Test Magnets

A test magnet is provided in a bag assembly with each

sensor. Remove the magnet from the bag assembly and

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.

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