Mitsubishi Electric MSC-07RV Manuale utente

SERVICE MANUAL

SPLIT-TYPE,AIR CONDITIONERS

SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS

CONTENTS

1. TECHNICAL CHANGES ····································2

2. PART NAMES AND FUNCTIONS······················4

3. INDOOR/OUTDOOR

CORRESPONDENCE TABLE ···························7

4. INDOOR UNITS COMBINATION·······················8

5. SPECIFICATION···············································13

6. NOISE CRITERIA CURVES···························· 19

7. OUTLINES AND DIMENSIONS ······················ 22

8. WIRING DIAGRAM ··········································28

9. REFRIGERANT SYSTEM DIAGRAM··············35

10. PERFORMANCE CURVES······························46

11. MICROPROCESSOR CONTROL···················102

12. SERVICE FUNCTIONS···································120

13. TROUBLESHOOTING····································122

14. DISASSEMBLY INSTRUCTIONS···················148

15. PARTS LIST····················································166

16. OPTIONAL PARTS·········································184

Wireless type

Models

MSC-07RV - (WH) · MU-07RV -

MSC-09RV - (WH) · MU-09RV -

MSC-12RV - (WH) · MU-12RV -

MSC-07RV - (WH) · MUH-07RV -

MSC-09RV - (WH) · MUH-09RV -

MSC-12RV - (WH) · MUH-12RV -

Multi system type

MSC-07RV - (WH) · MUX-10RV -

MSC-09RV - (WH) · MUX-18RV -

MSC-12RV - (WH) · MUX-24RV -

Inverter controlled multi system type

· MXZ-18RV -

· MXZ-32RV -

E1E1

No. OB227

REVISED EDITION-B

MSC-07RV -

MSC-09RV -

MSC-12RV - E1

Revision:

• MUX-10/18/24RV -has been added.

• MXZ-18/32RV -has been added.

• Noise criteria curves has been added.

• Performance data has been added.

• Specification has been partially modified.

• Refrigerant system diagram has been partially

modified.

• Please void OB227 REVISED EDITION-A

NOTE: (Only MXZ-32RV -)

This manual describes technical data of MSC

type indoor unit .

For other indoor unit refer to the service manuals

No. OB229 REVISED EDITION-A of correspond-

ing models.

TECHNICAL CHANGES

MS-07NV22-

MSH-07NV22-

MSX-05NV--

MS-09NV22-

MSH-09NV22-

MSX-09NV--

MS-12NV22-

MSH-12NV22-

MSX-12NV--

1. Switch SW2 has added on the indoor electronic control P.C. board.

•Indoor unit model has changed. Indoor units for COOL only type (MU and MUX) and COOL and HEAT type (MUH and

MXZ)are common specifications. Set switch SW2-2

according to the type of outdoor unit.

•Change switch SW2-1 for setting AUTO RESTART FUNCTION ON/OFF.

}➔MSC-07RV - E1

}➔ MSC-09RV - E1

}➔ MSC-12RV - E1

1 2

SW2

1 2

AUTO RESTART

FUNCTION :OFF

AUTO RESTART

FUNCTION :ON

OUTDOOR UNIT

MU & MUX type

OUTDOOR UNIT

MUH & MXZ type

Set of switch SW2

1 2

SW2

1 2

When the units are shipped from the factory,

switch SW2 is as follows.

SW2-1: AUTO RESTART FUNCTION OFF

SW2-2: MUH type

2. SLEEP MODE function has been removed.

3. ECONO COOL operation has been added.

4. SWING button is removed, but SWING MODE function is available by VANE CONTROL button.

MU-07NV - ➔MU-07RV -

MUH-07NV - ➔MUH-07RV -

MU-09NV - ➔MU-09RV -

MUH-09NV - ➔MUH-09RV -

MU-12NV - ➔MU-12RV -

MUH-12NV - ➔MUH-12RV -

1. Outdoor model has changed.

E1E2