Mitsubishi Electric Mr.SLIM PEH-5EKHSA User Manual

TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
CONTENTS
1. FEATURES ···········································2
2. PART NAMES AND FUNCTIONS········3
3. SPECIFICATIONS·································6
4. DATA·····················································8
5. OUTLINES AND DIMENSIONS··········14
6. WIRING DIAGRAM·····························18
7. REFRIGERANT SYSTEM DIAGRAM ······19
8. OPERATION FLOW-CHART··············20
9. MICROPROCESSOR CONTROL·······24
10. TROUBLESHOOTING························41
11. DISASSEMBLY PROCEDURE···········49
12. PARTS LIST········································51
13. OPTIONAL PARTS ·····························55
Indoor unit
PEH-2.5EKHA
PEH-3EKHA
PEH-4EKHSA
PEH-5EKHSA
No. OC153
[Models]
PEH-2.5EKHA2.TH
PEH-3EKHA
2.TH
PEH-4EKHSA
2.TH
PEH-5EKHSA
2.TH
[Service Ref.]
This manual does not cover the following
outdoor units. When servicing them,
please refer to the service manual
No.OC128,150 and this manual in a set.
[Service Ref.]
PUH-2.5VKA
2
PUH-3VKA2,3YKA2
PUH-4YKSA3
PUH-5YKSA3
PUH-2.5VKA2.UK
PUH-3VKA2.UK
PUH-3YKA
2.UK
PUH-4YKSA2.UK
PUH-5YKSA2.UK
Indoor unit
Ceiling Concealed
Series PEH
The Slim Line.
From Mitsubishi Electric.
FILTER
CHECK MODE
TEST RUN
Remote controller

Mitsubishi Electric Mr.SLIM PEH-5EKHSA Specifications

General

Brand	Mitsubishi Electric
Model	Mr.SLIM PEH-5EKHSA
Category	Air Conditioner
Language	English

Summary

FEATURES

ADVANCED MICROPROCESSOR

DATA

COOLING CAPACITY

HEATING CAPACITY

OPERATION FLOW-CHART

MAIN OPERATION

MICROPROCESSOR CONTROL

OUTLINE OF MICROPROCESSOR CONTROL

INDOOR UNIT CONTROL

Explains how the indoor unit manages operation modes and functions.

DRY OPERATION

Describes the specific operation logic and controls for dry mode.

HEAT OPERATION

Details the operational logic and controls for heating mode.

AUTO OPERATION

Explains automatic switching between cooling and heating modes.

TIMER OPERATION

Test run

Emergency operation

Describes how to operate the unit in case of malfunctions.

TROUBLESHOOTING

TROUBLES IN TEST RUN

Lists symptoms, causes, and check points for test run issues.

SELF DIAGNOSTIC FUNCTION WITH REMOTE CONTROLLER

Explains how to use the remote controller for diagnostics.

DISASSEMBLY PROCEDURE

INDOOR UNIT (PEH-3EKHA2.TH)

OPTIONAL PARTS

REFRIGERANT PIPES

TIMER