EasyManua.ls Logo

Mitsubishi Electric MXZ-A18WV User Manual

Mitsubishi Electric MXZ-A18WV
158 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················6
3. INDOOR/OUTDOOR
CORRESPONDENCE TABLE ···························8
4. INDOOR UNITS COMBINATION ·······················9
5. SPECIFICATION···············································10
6. NOISE CRITERIA CURVES···························· 17
7. OUTLINES AND DIMENSIONS ······················ 20
8. WIRING DIAGRAM ··········································25
9. REFRIGERANT SYSTEM DIAGRAM··············32
10. PERFORMANCE CURVES······························45
11. MICROPROCESSOR CONTROL·····················84
12. SERVICE FUNCTIONS···································102
13. TROUBLESHOOTING····································104
14. DISASSEMBLY INSTRUCTIONS···················129
15. PARTS LIST····················································144
16. OPTIONAL PARTS·········································157
Wireless type
Models
MSC-A07WV -
(
WH
)
· MU-A07WV -
MSC-A09WV -
(
WH
)
· MU-A09WV -
MSC-A12WV -
(
WH
)
· MU-A12WV -
MSC-A07WV -
(
WH
)
· MUH-A07WV -
MSC-A09WV -
(
WH
)
· MUH-A09WV -
MSC-A12WV -
(
WH
)
· MUH-A12WV -
Multi system type
Models
MSC-A07WV -
(
WH
)
· MUX-A10WV -
MSC-A09WV -
(
WH
)
· MUX-A19WV -
MSC-A12WV -
(
WH
)
· MUX-A20WV -
· MUX-A25WV -
· MUX-A26WV -
Inverter-controlled multi system Model
· MXZ-A18WV -
E1
E1
E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
MSC-A07WV -
MSC-A09WV -
MSC-A12WV -
E1
E1
E1
No. OB307
REVISED EDITION-A
HFC
utilized
R410A
SPLIT-TYPE, AIR CONDITIONERS
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Revision:
MXZ-A18WV - have been added.
MSC-A07/09/12WV - Part No.
.
have changed.
VARISTOR (NR11& NR12)
E02 336 385 E02 749 385
Please void OB307.
E1
E1
Indication of
model name
Remote
controller
OB307A1.qxp 03.2.19 3:56 PM Page 1
All manuals and user guides at all-guides.com
all-guides.com
Question and Answer IconNeed help?

Do you have a question about the Mitsubishi Electric MXZ-A18WV and is the answer not in the manual?

Mitsubishi Electric MXZ-A18WV Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMXZ-A18WV
CategoryAir Conditioner
LanguageEnglish

Summary

1 TECHNICAL CHANGES

2 PART NAMES AND FUNCTIONS

ACCESSORIES

Lists included accessories for indoor and outdoor units.

5 SPECIFICATION

6 NOISE CRITERIA CURVES

7 OUTLINES AND DIMENSIONS

REQUIRED SPACE

Specifies minimum clearance requirements for outdoor unit installation.

9 REFRIGERANT SYSTEM DIAGRAM

MAX. REFRIGERANT PIPING LENGTH & MAX. HEIGHT DIFFERENCE

Details maximum allowable piping length and height difference for system configurations.

ADDITIONAL REFRIGERANT CHARGE(R410A : g)

Specifies the amount of refrigerant to add based on piping length for different models.

PIPING PREPARATION

Shows specifications for commercially available pipes and installation guidelines.

10 PERFORMANCE CURVES

10-1.CAPACITY AND THE INPUT CURVES

Presents charts showing cooling capacity and input based on indoor/outdoor conditions.

10-2.OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT

Illustrates outdoor low pressure and current curves under various conditions.

11 MICROPROCESSOR CONTROL

11-1. COOL ( ) OPERATION

Explains how to operate the unit in COOL mode using the remote controller and its indicators.

1. Thermostat control

Details how the thermostat controls operation based on temperature differences.

2. Indoor fan speed control

Describes how the indoor fan speed is set and controlled.

11-2. DRY ( ) OPERATION

Explains how to operate the unit in DRY mode using the remote controller and its indicators.

11-4. HEAT ( ) OPERATION

Explains how to operate the unit in HEAT mode using the remote controller and its indicators.

11-8. TIMER OPERATION

Explains how to set ON/OFF timers for unit operation.

11-9. EMERGENCY-TEST OPERATION

Describes how to use the emergency switch for testing or emergency situations.

13 TROUBLESHOOTING

13-1. Cautions on troubleshooting

Provides essential safety precautions before performing troubleshooting procedures.

13-3. Troubleshooting check table

Lists common symptoms, detect methods, and check points for accurate troubleshooting.

13-4. Trouble criterion of main parts

Specifies resistance and voltage criteria for diagnosing key components.

14 DISASSEMBLY INSTRUCTIONS

14-1. INDOOR UNIT

Provides step-by-step instructions for disassembling the indoor unit and its components.

14-2. OUTDOOR UNIT

Details the procedure for disassembling the MU-A07/09/12WV outdoor unit and its parts.

14-4. MUX-A10WV - OUTDOOR UNIT

Provides disassembly steps for the MUX-A10WV outdoor unit.

14-5. MUX-A19WV - MUX-A20WV - MUX-A25WV - MUX-A26WV - OUTDOOR UNIT

Details the disassembly procedure for MUX series outdoor units.

14-6. MXZ-A18WV - OUTDOOR UNIT

Details the disassembly procedure for the MXZ-A18WV outdoor unit.

15 PARTS LIST

15-1. INDOOR UNIT STRUCTURAL PARTS

Lists structural parts for indoor units with part numbers and quantities.

15-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS

Lists electrical and functional parts for indoor units with part numbers.

15-5. OUTDOOR UNIT STRUCTURAL PARTS

Lists structural parts for outdoor units with part numbers and quantities.

15-6. OUTDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS

Lists electrical and functional parts for MUH outdoor units with part numbers.

15-10. OUTDOOR UNIT STRUCTURAL PARTS

Lists structural parts for MUX outdoor units with part numbers and quantities.

15-11. OUTDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS

Lists electrical and functional parts for MUX outdoor units with part numbers.

16 OPTIONAL PARTS

16-1. Different-diameter pipe

Provides specifications for optional different-diameter piping kits for MXZ-A18WV.

Related product manuals