Mitsubishi Electric mr.SLIM PUY-SP42VKA User Manual

SERVICE MANUAL
No.OCH644
SPLIT-TYPE AIR CONDITIONERS
R410A
November 2017
Outdoor unit
[Model Name]
PUY-SP42VKA
PUY-SP48VKA
PUY-SP36YKA
PUY-SP42YKA
PUY-SP48YKA
[Service Ref.]
PUY-SP42VKA.TH(-T/-D/-N)
PUY-SP48VKA.TH(-T/-D/-N)
PUY-SP36YKA.TH(-T/-D/-N)
PUY-SP42YKA.TH(-T/-D/-N)
PUY-SP48YKA.TH(-T/-D/-N)
PARTS CATALOG (OCB644)
CONTENTS
1. REFERENCE MANUAL ································· 2
2. SAFETY PRECAUTION ································· 2
3. SPECIFICATIONS ·········································· 6
4. DATA ······························································· 7
5. OUTLINES AND DIMENSIONS ··················· 10
6. WIRING DIAGRAM ······································ 11
7. WIRING SPECIFICATIONS ·························· 13
8.
REFRIGERANT SYSTEM DIAGRAM ············· 18
9. TROUBLESHOOTING ································· 20
10. FUNCTION SETTING ··································· 77
11.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER ····89
12. EASY MAINTENANCE FUNCTION ············· 99
13. DISASSEMBLY PROCEDURE ··················· 103
Revision:
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Mitsubishi Electric mr.SLIM PUY-SP42VKA Specifications

General

Brand	Mitsubishi Electric
Model	mr.SLIM PUY-SP42VKA
Category	Air Conditioner
Language	English

Summary

REFERENCE MANUAL

INDOOR UNIT SERVICE MANUAL

Lists indoor unit models and their service references.

SAFETY PRECAUTION

CAUTIONS RELATED TO NEW REFRIGERANT

Cautions for units utilizing refrigerant R410A.

Service tools

PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES

Flowchart and notes for reusing existing R22 refrigerant pipes.

Cautions for refrigerant piping work

Thickness of pipes

Specifies required pipe thickness for R410A refrigerant.

Dimensions of flare cutting and flare nut

Details flare cutting dimensions and flare nut dimensions for R410A.

Tools for R410A

Table indicating compatibility of R410A tools with R22/R407C tools.

SPECIFICATIONS

OUTDOOR UNIT

Technical specifications for the outdoor unit.

REFRIGERANT PIPING

Details on refrigerant piping specifications like size and length.

DATA

REFILLING REFRIGERANT CHARGE (R410A : kg)

Table showing refrigerant charge amounts based on piping length.

COMPRESSOR TECHNICAL DATA

Technical data for the compressor, including winding resistance.

STANDARD OPERATION DATA

PUY-SP42VKA.TH(-T/-D/-N) PUY-SP36YKA.TH(-T/-D/-N)

Standard operation data for specific cooling models.

PUY-SP48VKA.TH(-T/-D/-N) PUY-SP42YKA.TH(-T/-D/-N) PUY-SP48YKA.TH(-T/-D/-N)

Standard operation data for specific cooling models.

OUTLINES AND DIMENSIONS

FREE SPACE (Around the unit)

Explains free space requirements around the unit.

SERVICE SPACE

Details the required service space dimensions.

FOUNDATION BOLTS

Instructions for securing the unit with foundation bolts.

PIPING-WIRING DIRECTIONS

Shows directions for piping and wiring connections.

PUY-SP42VKA.TH(-T/-D/-N) PUY-SP48VKA.TH(-T/-D/-N) Wiring Diagram

M-NET ADAPTER

Information regarding the M-NET adapter and its connections.

MODEL SELECT

Details on model selection switch positions.

PUY-SP36YKA.TH(-T/-D/-N) PUY-SP42YKA.TH(-T/-D/-N) PUY-SP48YKA.TH(-T/-D/-N) Wiring Diagram

M-NET ADAPTER

Information regarding the M-NET adapter and its connections.

MODEL SELECT

Details on model selection switch positions.

WIRING SPECIFICATIONS

FIELD ELECTRICAL WIRING (power wiring specifications)

Details power wiring specifications for different outdoor unit models.

REFRIGERANT SYSTEM DIAGRAM

PUY-SP42VKA.TH(-T/-D/-N) PUY-SP48VKA.TH(-T/-D/-N)

Refrigerant system diagram for specific outdoor unit models.

PUY-SP36YKA.TH(-T/-D/-N) PUY-SP42YKA.TH(-T/-D/-N) PUY-SP48YKA.TH(-T/-D/-N)

Refrigerant system diagram for specific outdoor unit models.