Service manual

1 TECHNICAL CHANGES

PUHZ-RP4VHA ➞ PUHZ-RP4VHA1

PUHZ-RP5VHA ➞ PUHZ-RP5VHA1

PUHZ-RP6VHA ➞ PUHZ-RP6VHA1

1. Reduced Design Pressure:

Design Pressure has been changed from 4.41MPa to 4.15MPa.

(High Pressure Switch has been changed.)

2. Partial Change on Refrigerant Circuit:

Only 1 distributor is adopted on the Heat Exchanger. (Previously 2)

3. Partial Change on Electrical Wiring:

Change of reactor (DCL).

Only 1 reactor (DCL) is adopted. (Previously 2)

4. New Service Parts as a result of the structural improvement:

• Power Receiver

• Separator

• Rubber Mount (for a Compressor)

• Thermistor (2 phase pipe, Outdoor temperature)

• Thermistor (Discharge)

• Linear Expansion Valve Coil

5. Reduced Refrigerant Amount

The Charged Refrigerant Amount has been reduced from 5.5kg to 5.0kg

6. Wider Operation Range:

A change is made on the Minimum Capacity.

(For details, please refer to the Service Manual for indoor units.)

PUHZ-RP2.5VHA ➞ PUHZ-RP2.5VHA1

PUHZ-RP3VHA ➞ PUHZ-RP3VHA1

1. The parts below have been changed.

• Thermistor (Outdoor pipe / TH3)

• Linear expansion valve coil

2. The refrigerant circuit has been changed.

• High pressure switch (4.41MPa

➞ 4.14MPa)

• Charge plug

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