Mitsubishi City Multi PKFY-P.VBM-E Service Manual download pdf (Page 19)

1919

TROUBLESHOOTING

REFRIGERANT SYSTEM DIAGRAM

8-1. HOW TO CHECK THE PARTS

PKFY-P15VBM-E PKFY-P20VBM-E PKFY-P25VBM-E

PKFY-P20VBM-ER1 PKFY-P25VBM-ER1

PKFY-P15VBM-ER2 PKFY-P20VBM-ER2 PKFY-P25VBM-ER2

PKFY-P15VBM-ER3 PKFY-P20VBM-ER3 PKFY-P25VBM-ER3

Strainer

(#100mesh)

Strainer

(#100mesh)

Strainer

(#100mesh)

Heat exchanger

Room temperature thermistor

TH21

Gas pipe temperature thermistor

TH23

Liquid pipe temperature thermistor

TH22

Gas pipe

Liquid pipe

Flare

Linear expansion

valve

Parts name Check points

Disconnect the connector then measure the resistance with a tester.

(At the ambient temperature 10~30)

Disconnect the connector then measure the resistance valve with a tester.

(Coil temperature 20)

Vane motor (MV)

Linear expansion

valve (LEV)

Refer to the next page for the details.

Room temperature

thermistor (TH21)

Liquid pipe temperature

thermistor (TH22)

Gas

pipe temperature

thermistor (TH23)

Normal

4.3k~9.6k

Abnormal

Open or short

Normal

150 10%

Abnormal

(1)-(5)

White-Red

(2)-(6)

Yellow-Brown

(3)-(5)

Orange-Red

(4)-(6)

Blue-Brown

Open or short

Measure the resistance between the terminals with a tester. (At the ambient temperature 25)

Normal Normal

400 7%

Abnormal

-

Red-Pink or White

-

Red-Blue

-

Red-Orange

-

Red-Yellow

Open or short

Measure the resistance between the terminals with a tester. (At the ambient temperature 20)

Fan motor (MF)

Abnormal

Open or short

White-Black

Red-Black

Normal

286

200

Orange

Pink or

White

Red

Ye l l o w

Blue

5 3

Connect pin No.

White

Red

Black

FAN

LEV

White

Yellow

Orange

Blue

Red

Brown

CN60

Unit: mm(inch)

Service ref.

Item

PKFY-P15, 20, 25VBM-E

PKFY-P20, 25VBM-ER1

PKFY-P15, 20, 25VBM-ER2

Gas pipe {12.7 (1/2”)

Liquid pipe

{6.35 (1/4”)

PKFY-P15VBM-E PKFY-P20VBM-E PKFY-P25VBM-E

PKFY-P20VBM-ER1 PKFY-P25VBM-ER1

PKFY-P15VBM-ER2 PKFY-P20VBM-ER2 PKFY-P25VBM-ER2

PKFY-P15VBM-ER3 PKFY-P20VBM-ER3 PKFY-P25VBM-ER3

OCH418C

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Mitsubishi City Multi PKFY-P.VBM-E Service Manual Page 19

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