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Mitsubishi Electric Mr. Slim PUHZ-RP71VHA4 User Manual

Mitsubishi Electric Mr. Slim PUHZ-RP71VHA4
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SERVICE MANUAL
No.OCH451
REVISED EDITION-A
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
R410A
January 2010
Outdoor unit
[model name]
PUHZ-RP35VHA4
PUHZ-RP50VHA4
PUHZ-RP60VHA4
PUHZ-RP71VHA4
PUHZ-RP100VKA
PUHZ-RP125VKA
PUHZ-RP140VKA
PUHZ-RP100YKA
PUHZ-RP125YKA
PUHZ-RP140YKA
PUHZ-RP200YKA
PUHZ-RP250YKA
[Service Ref.]
PUHZ-RP35VHA4
PUHZ-RP50VHA4
PUHZ-RP60VHA4
PUHZ-RP71VHA4
PUHZ-RP100VKA
PUHZ-RP125VKA
PUHZ-RP140VKA
PUHZ-RP100YKA
PUHZ-RP125YKA
PUHZ-RP140YKA
PUHZ-RP200YKA
PUHZ-RP200YKAR1
PUHZ-RP250YKA
PUHZ-RP60VHA4
PUHZ-RP71VHA4
Revision:
PUHZ-RP200YKAR1 is added in
REVISED EDITION-A.
Some descriptions have been
modified.
PARTS CATALOG (OCB451)
CONTENTS
1 TECHNICAL CHANGE ····································2
2 REFERENCE MANUAL ··································2
3 SAFETY PRECAUTION ··································2
4 FEATURES ······················································6
5 SPECIFICATIONS ···········································7
6 DATA ······························································10
7 OUTLINES AND DIMENSIONS ···················· 16
8 WIRING DIAGRAM ······································· 20
9 WIRING SPECIFICATIONS ··························· 26
10
REFRIGERANT SYSTEM DIAGRAM
··············31
11 TROUBLESHOOTING ···································35
12 FUNCTION SETTING ····································94
13
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
···101
14 EASY MAINTENANCE FUNCTION ·············111
15 DISASSEMBLY PROCEDURE ···················· 116
Note:
This manual does not cover the
outdoor units. When serving out-
door units, please refer to the serv-
ice manual of outdoor unit and this
manual in a set.
RoHS compliant products have <G>
mark on the spec name plate.
• Please void OCH451.

Questions and Answers:

Mitsubishi Electric Mr. Slim PUHZ-RP71VHA4 Specifications

General IconGeneral
SeriesMr. Slim
Cooling Capacity7.1 kW
Heating Capacity8.0 kW
RefrigerantR410A
Power Supply220-240 V, 50 Hz

Summary

3 SAFETY PRECAUTION

3-1. ALWAYS OBSERVE FOR SAFETY

Emphasizes disconnecting power before access and observing general safety rules.

3-2. CAUTIONS RELATED TO NEW REFRIGERANT

Details specific precautions when working with R410A refrigerant.

4 FEATURES

CHARGELESS SYSTEM

Explains the pre-charged refrigerant system for simplified installation.

REFRIGERANT LEAKAGE DETECTION FUNCTION

Describes the function to detect refrigerant leaks over time.

5 SPECIFICATIONS

8 WIRING DIAGRAM

11 TROUBLESHOOTING

11-1. TROUBLESHOOTING

Details troubleshooting steps based on recurring or non-recurring issues and error codes.

11-2. CHECK POINT UNDER TEST RUN

Lists checks to perform before and during a test run.

11-3. HOW TO PROCEED "SELF-DIAGNOSIS"

Guides on how to perform self-diagnosis when a problem occurs or during maintenance.

11-4. SELF-DIAGNOSIS ACTION TABLE

Provides a table of actions to take for abnormalities detected when power is supplied.

15 DISASSEMBLY PROCEDURE

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