Mitsubishi MXZ-2C20NA4 Handleiding
Mitsubishi
Warmtepomp
MXZ-2C20NA4
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PARTS CATALOG (OBB702)
SERVICE MANUAL
OUTDOOR UNIT
Models
MXZ-2C20NA2 -
U1
,
U4
MXZ-2C20NAHZ
MXZ-2C20NA3
-
U1
MXZ-2C20NAHZ2 -
U1
MXZ-2C20NA4 -
U1
MXZ-2C20NAHZ3 -
U1
MXZ-3C24NA MXZ-2C20NAHZ4 -
U1
MXZ-3C24NA2 -
U1
MXZ-3C24NAHZ
MXZ-3C24NA3
-
U1
MXZ-3C24NAHZ2 -
U1
MXZ-3C24NA4 -
U1
MXZ-3C24NAHZ3 -
U1
MXZ-3C30NA MXZ-3C24NAHZ4 -
U1
MXZ-3C30NA2 -
U1
MXZ-3C30NAHZ
MXZ-3C30NA3
-
U1
MXZ-3C30NAHZ2 -
U1
MXZ-3C30NA4 -
U1
MXZ-3C30NAHZ3 -
U1
MXZ-4C36NA MXZ-3C30NAHZ4 -
U1
MXZ-4C36NA2 -
U1
MXZ-4C36NA3 -
U1
MXZ-4C36NA4 -
U1
MXZ-5C42NA
MXZ-5C42NA2
-
U1
MXZ-5C42NA3 -
U1
MXZ-5C42NA4 -
U1
No. OBH702
REVISED EDITION-R
Indoor unit service manual
MSZ-FE·NA Series (OBH542)
MSZ-FH·NA Series (OBH683)
MSZ-GE·NA Series (OBH548)
MSZ-GL·NA Series (OBH732)
MSZ-EF·NA Series (OBH736)
MSZ-FS·NA Series (OBH872)
MFZ-KA·NA Series (OBH568)
MFZ-KJ·NA Series (OBH752)
SLZ-KA·NA Series (OCH487)
SLZ-KF·NA.TH Series (OCH669)
PLA-A·BA Series (OCH420)
PLA-A·EA Series (OCH640)
SEZ-KD·NA Series
PEAD-A·AA Series
PCA-A·KA Series (OCH455)
MVZ-A·AA Series
SVZ-KP·NA Series (MD-1404-K019)
CONTENTS
• INDOOR / OUTDOOR UNIT
COMPATIBILITY TABLE ······················4
1. TECHNICAL CHANGES ······························8
2. SAFETY PRECAUTION ·······························9
3. PART NAMES AND FUNCTIONS ················ 13
4. SPECIFICATION ······································ 14
5. NOISE CRITERIA CURVES ························ 33
6. OUTLINES AND DIMENSIONS ··················· 36
7. WIRING DIAGRAM ··································· 42
8. REFRIGERANT SYSTEM DIAGRAM ··········· 65
9. DATA ······················································ 78
10. ACTUATOR CONTROL ··························· 109
11. SERVICE FUNCTIONS ·····························110
12. TROUBLESHOOTING ······························113
13. DISASSEMBLY INSTRUCTIONS ··············· 144
HFC
utilized
R410A
MXZ-3C24NA MXZ-3C30NA MXZ-4C36NA
MXZ-3C24NA2 MXZ-3C30NA2 MXZ-4C36NA2
MXZ-3C24NA3 MXZ-3C30NA3 MXZ-4C36NA3
MXZ-3C24NA4 MXZ-3C30NA4 MXZ-4C36NA4
OBH702 REVISED EDITON-H is void.
Revision R:
• INDOOR / OUTDOOR UNITCOMPATIBILITY
TABLE, 4. SPECIFICATION and 9. DATA
have been modied.

2
Use the specied refrigerant only
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by failure to
follow the instructions.
<Preparation before the repair service>
Prepare the proper tools.
Prepare the proper protectors.
Provide adequate ventilation.
After stopping the operation of the air conditioner, turn off the power-supply breaker and pull the power plug.
Discharge the capacitor before the work involving the electric parts.
<Precautions during the repair service>
Do not perform the work involving the electric parts with wet hands.
Do not pour water into the electric parts.
Do not touch the refrigerant.
Do not touch the hot or cold areas in the refrigeration cycle.
When the repair or the inspection of the circuit needs to be done without turning off the power, exercise great caution not to
touch the live parts.
WARNING
• When the refrigeration circuit has a leak, do not execute pump down with the compressor.
• When pumping down the refrigerant, stop the compressor before disconnecting the refrigerant pipes.
The compressor may burst if air etc. get into it.
• When opening or closing the valve below freezing temperatures, refrigerant may spurt out from the gap
between the valve stem and the valve body, resulting in injuries.
OBH702R
Product specificaties
Merk: | Mitsubishi |
Categorie: | Warmtepomp |
Model: | MXZ-2C20NA4 |
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