Mitsubishi Electric MXZ-5C100VA Service Manual download pdf (Page 33)

Strainer

#100

Power

receiver

LEV A

LEV B

LEV C

Oil separator

Compressor

Defrost

thermistor

RT61

Distributor

Muffler

4-way valve

LEV E

Indoor unit

Capillary tube

Discharge

temperature

thermistor RT62

Strainer

#100

Strainer

#100

Strainer

#100

R.V. coil

OFF

Refrigerant flow in cooling

Refrigerant flow in heating

Ambient

temperature

thermistor

RT65

Outdoor heat

exchanger

temperature

thermistor

RT68

FAN-OUT

HEX-OUT

Strainer

#100

Stop valve with

service port

Stop valve

High-pressure switch

(MXZ-3B68VA only)

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, refer to "PARTS CATALOG".

UNIT: mm (inch)

UNIT: mm

MXZ-3C54VA

MXZ-3C68VA

MAX REFRIGERANT PIPING LENGTH

Outdoor unit union diameter

For

Indoor unit A

Liquid 6.35(1/4)

Gas 9.52(3/8)

Indoor unit B

Liquid 6.35(1/4)

Gas 9.52(3/8)

Indoor unit C

Liquid 6.35(1/4)

Gas 9.52(3/8)

Outdoor

unit

Indoor

units

15m

10m

15m

Refrigerant piping length (one way, 3 unit total)

Calculation : Xg = 20 g/m x (Refrigerant piping length (m) - 40)

Max.

Height

difference

Outdoor unit

precharged

(g)

50m

200

60m

400

40m

2,700

It is irrelevant which unit is higher.

ADDITIONAL REFRIGERANT CHARGE

3C54 3C68

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

Total piping length (a+b+c) 50m 60m

Bending point for each unit 25 25

Total bending point 50 50

OBH584B

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 305 306

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Mitsubishi Electric MXZ-5C100VA Service Manual Page 33

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