10-4. TROUBLE CRITERION OF MAIN PARTS MUZ-D30NAMUZ-D36NAMUY-D30NAMUY-D36NA

Part name

 

 

 

Check method and criterion

 

 

Figure

 

Defrost thermistor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(RT61) (MUZ)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ambient temperature

Measure the resistance with a tester.

 

 

 

 

 

thermistor (RT65)

Refer to 10-6. “Test point diagram and voltage”, 1. “Outdoor electron-

 

 

 

 

 

Outdoor heat ex-

ic control P.C. board”, the chart of thermistor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

changer temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

thermistor (RT68)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Discharge tem-

Measure the resistance with a tester. Before measurement, hold the

 

 

 

 

 

perature thermistor

 

 

 

 

 

thermistor with your hands to warm it up.

 

 

 

 

 

(RT62)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fin temperature

Refer to 10-6. “Test point diagram and voltage”, 1. “Outdoor electron-

 

 

 

 

 

ic control P.C. board”, the chart of thermistor.

 

 

 

 

 

thermistor (RT64)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance between terminals using a tester.

 

 

W RED

 

 

(Winding temperature : 14 ~ 104 °F (-10 ~ 40 °C))

 

 

 

Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

 

 

 

 

1.24

~ 1.53 Ω

 

 

 

V

U

 

 

 

 

 

 

 

WHT

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance between lead wires using a tester.

 

 

 

 

 

 

(Part temperature : 14 ~ 104 °F (-10 ~ 40 °C))

 

 

 

RED U (W)

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor fan motor

 

 

Color of lead wire

 

 

Normal

 

 

 

 

 

WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

RED – BLK

 

 

 

 

 

 

 

 

V (V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13 ~ 16 Ω

 

 

 

 

 

BLK W (U)

 

 

 

BLK – WHT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT – RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance using a tester.

 

 

 

 

 

 

(Part temperature : 14 ~ 104 °F (-10 ~ 40 °C))

 

 

 

 

 

R. V. coil (MUZ)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Normal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.20

~ 1.55 kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measure the resistance using a tester.

 

 

 

 

 

 

(Part temperature : 14 ~ 104 °F (-10 ~ 40 °C))

WHT

 

 

 

 

 

 

 

 

 

RED

 

LEV

 

Linear expansion

 

 

Color of lead wire

 

Normal

 

 

 

 

WHT – RED

 

 

 

 

ORN

 

 

 

valve

 

 

 

 

 

 

 

 

 

 

 

RED – ORN

 

38 ~ 50 Ω

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YLW – BRN

 

 

 

 

YLW BRN BLU

 

 

 

 

 

 

 

 

 

 

 

 

BRN – BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

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Mitsubishi Electronics U1, MUZ-D36NA, MUY-D36NA, MUZ-D30NA, MUY-D30NA service manual Blk Wht Wht Red, Ylw Brn

MUY-D36NA, MUZ-D30NA, U1, MUY-D30NA, MUZ-D36NA specifications

Mitsubishi Electronics has long been at the forefront of innovation in heating and cooling solutions, and its latest lineup of multi-zone air conditioning units—MUZ-D36NA, MUY-D30NA, U1, MUZ-D30NA, and MUY-D36NA—reflects this commitment to quality and efficiency. Designed for both residential and commercial applications, these units offer advanced features that enhance comfort and energy savings.

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