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Mitsubishi Electric MXZ-4E83VA User Manual

Mitsubishi Electric MXZ-4E83VA
328 pages
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HFC
utilized
R410A
SERVICE MANUAL
No. OBH723
REVISED EDITION-C
OUTDOOR UNIT
NOTE:
RoHS compliant products have <G> mark
on the spec name plate.
PARTS CATALOG (OBB723)
Models
MXZ-3E54VA
-
E1
,
ET1
,
ER1
MXZ-3E68VA
-
E1
,
ET1
,
ER1
MXZ-4E72VA
-
E1
,
ET1
,
ER1
MXZ-4E83VA
-
E1
,
E2
,
ET1
,
ET2
,
ER1
MXZ-5E102VA
-
E1
,
E2
,
ET1
,
ET2
,
ER1
MXZ-2E53VAHZ
-
E1
,
ER1
MXZ-4E83VAHZ
-
E1
,
ER1
Indoor unit service manual
MSZ-EF•VE Series (OBH589)
MSZ-SF•VA Series (OBH555)
MSZ-SF•VE Series (OBH600)
MSZ-FD•VA Series (OBH488)
MSZ-FH•VE Series (OBH623)
MSZ-GA•VA Series (OB378)
MSZ-GE•VA Series (OBH515)
MSZ-GF•VE Series (OBH634)
MFZ-KA•VA Series (OB409)
MFZ-KJ•VE Series (OBH666)
MLZ-KA•VA Series (OBH483)
SLZ-KA•VA Series (OC320)
SEZ-KD•VA Series (HWE07110)
PLA-RP•BA Series (OCH412)
PCA-RP•KA Series (OCH454)
PEAD-RP•JA Series (HWE08130)
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ···························· 12
5. OUTLINES AND DIMENSIONS ······················ 14
6. WIRING DIAGRAM ·········································· 20
7. REFRIGERANT SYSTEM DIAGRAM ············· 36
8. PERFORMANCE CURVES ····························· 44
9. ACTUATOR CONTROL ··································· 73
10. SERVICE FUNCTIONS ···································· 74
11. TROUBLESHOOTING ····································· 77
12. DISASSEMBLY INSTRUCTIONS ···················· 97
INDOOR UNITS COMBINATION SHEETS
MXZ-4E83VA
MXZ-5E102VA
MXZ-2E53VAHZ
Please void OBH723 REVISED EDITION-B.
Revision C:
• MXZ-3E54VA-
ER1
, MXZ-3E68VA-
ER1
, MXZ-
4E72VA-
ER1
, MXZ-4E83VA-
E2
,
ET2
,
ER1
,
MXZ-5E102VA-
E2
,
ET2
,
ER1
, MXZ-2E53VAHZ-
ER1
and MXZ-4E83VAHZ-
ER1
have been added.

Other manuals for Mitsubishi Electric MXZ-4E83VA

Questions and Answers:

Mitsubishi Electric MXZ-4E83VA Specifications

General IconGeneral
SeriesMXZ
Cooling Capacity8.3 kW
Heating Capacity9.3 kW
Power Supply220-240 V, 50 Hz
RefrigerantR410A
Maximum Number of Connectable Indoor Units4
TypeMulti-split
Energy Efficiency Ratio (EER)3.45
Indoor Unit CompatibilityMSZ-AP, MSZ-EF, MSZ-LN
Indoor Unit Dimensions (HxWxD)Varies depending on the connected indoor unit model
Indoor Unit WeightVaries depending on the connected indoor unit model
Energy Efficiency Ratio (Cooling)3.45

Summary

OUTDOOR UNIT

SERVICE MANUAL

Official service manual for the outdoor unit.

Models

Lists the outdoor unit models covered by the manual.

1 TECHNICAL CHANGES

2 PART NAMES AND FUNCTIONS

3 SPECIFICATION

5 OUTLINES AND DIMENSIONS

1.Installation space

Details the required installation space around the outdoor unit.

6 WIRING DIAGRAM

7 REFRIGERANT SYSTEM DIAGRAM

PUMPING DOWN

8 PERFORMANCE CURVES

8-3. HOW TO OPERATE FIXED-FREQUENCY OPERATION <Test run operation>

10 SERVICE FUNCTIONS

10-4. AUTO LINE CORRECTING

10-5. CHANGING THE AMPERE LIMIT (MXZ-2E53VAHZ MXZ-4E83VAHZ)

11 TROUBLESHOOTING

11-1. CAUTIONS ON TROUBLESHOOTING

Outlines important precautions to follow before and during troubleshooting.

11-2. FAILURE MODE RECALL FUNCTION

Explains how to recall and check memorized failure modes.

3. Troubleshooting procedure

Steps to follow when checking for abnormalities and diagnosing issues.

2. Flow chart of the detailed outdoor unit failure mode recall function

3. Outdoor unit failure mode table

11-3. INSTRUCTION OF TROUBLESHOOTING

11-4. TROUBLESHOOTING CHECK TABLE

11-5. TROUBLE CRITERION OF MAIN PARTS

11-6. TROUBLESHOOTING FLOW

How to check miswiring and serial signal error (when outdoor unit does not work)

Check of R.V. coil

Check of LEV

How to check inverter/compressor

Check of outdoor thermistors

Check of outdoor fan motor

Check of HPS

Check of bus-bar voltage

11-7. TEST POINT DIAGRAM AND VOLTAGE

2. Outdoor power P.C. board

12 DISASSEMBLY INSTRUCTIONS

2. Removing the outdoor control P.C. board, the reactor and the outdoor power P.C. board

3. Removing the fan motor

4. Removing the compressor and the 4-way valve

5. Removing the expansion valve

12-2. MXZ-4E83VA MXZ-5E102VA

4. Removing the expansion valve

5. Removing the defrost heater

6. Removing the compressor and 4-way valve

12-3. MXZ-2E53VAHZ

12-4. MXZ-4E83VAHZ

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