Mitsubishi MXZ-32SV Service Manual download pdf (Page 12)

REFRIGERANT SYSTEM DIAGRAM

Unit:mm

● Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes,refer to the

tables below.

● When diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe.

For further information on Different-diameter pipe,see page BACK COVER.

Indoor unit

Extension pipe diameter

class Pipe diameter

Liquid 6.35(1/4) Liquid 6.35(1/4)

07/09

Gas 9.52(3/8) Gas 9.52(3/8)

Liquid 6.35(1/4) Liquid 6.35(1/4)

12(13)

Gas 12.7(1/2) Gas 12.7(1/2)

Liquid 6.35(1/4) Liquid 6.35(1/4)

Gas 15.88(5/8) Gas 15.88(5/8)

Outdoor unit union diameter

For

Liquid 6.35(1/4)

Indoor unit A

Gas 12.7(1/2)

Liquid 6.35(1/4)

Indoor unit B

Gas 12.7(1/2)

Liquid 6.35(1/4)

Indoor unit C

Gas 9.52(3/8)

Liquid 6.35(1/4)

Indoor unit D

Gas 9.52(3/8)

Unit : mm (inch)

Piping length each indoor unit (a, b, c, d) 25m

Total piping length (a+b+c+d) 60m

Height difference between units (H) 10m

Bending point for each unit 25

Total bending point 60

❋It does not matter which unit is higher.

Outdoor

unit

Indoor

units

Indoor unit

Ball valve with

service port

Ball valve with

service port

Distributor

Strainer

LEV

Oil

separator

Compressor

High pressure

switch 1

Accumulator

Capillary tube

Reversing valve

Discharge

temperature

thermistor

Evaporation

temperature

thermistor

(RT67)

Defrost

thermistor

Strainer

Distributor

Outdoor

heat

exchanger

High pressure

switch 2

Unit D gas pipe temperature thermistor

[9.52

Indoor unit

Unit C gas pipe temperature thermistor

[9.52

Indoor unit

Unit B gas pipe temperature

thermistor

[12

Indoor unit

Strainer

LEV

Indoor unit

Strainer

LEV

Indoor unit

Strainer

LEV

Indoor unit

Unit A gas pipe

temperature thermistor

[12

[16

[9.52

[16

Capillary tube

[2.5✕[0.6✕ 750

[2.5✕ [0.6✕1000

Capillary tube

[4.0✕[2.4✕ 400

Capillary tube

[3.0✕[2.0✕ 200

Refrigerant flow in cooling

Refrigerant flow in heating

Reversing valve coil

heating ON

cooling OFF

MXZ-32SV -

OB254-1.qxp 03.1.16 4:33 PM Page 12

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Mitsubishi MXZ-32SV Service Manual Page 12

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