Midea M-Thermal A Series Bedienungsanleitung

M-Thermal A Series Split

Commercial Air Conditioners

R32

Service

Manual

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Confidential

M thermal Split

202004 1

CONTENTS

Part 1 General Information ............................................................................ 3

Part 2 Component Layout and Refrigerant Circuits ..................................... 7

Part 3 Control ............................................................................................... 17

Part 4 Diagnosis and Troubleshooting ......................................................... 31

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Midea M thermal Split

Service Manual

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M thermal Split

202004 3

Part 1

General Information

Part 1

General Information

1 Unit Capacities ........................................................................................... 4

2 External Appearance .................................................................................. 5

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Service Manual

1 Unit Capacities

1.1 Outdoor Unit Capacities

Table 1-1.1: Capacity range

Capacity 4kW 6kW 8kW 10kW 12kW 14kW 16kW

Model1

(MHA-*/D2N8-B)

V4W V6W V8W V10W V12W V14W V16W

Model

(MHA-*/D2RN8-B)

/ / / / V12W V14W V16W

Notes:

The full model names can be obtained by substituting the asterisk in the model name format given in the left-hand column of the table above with the shortened

model names given in the table. For example, the model name for the 10kW model is MHA-V10W/D2N8-B.

1.2 Hydronic Box Model

Table 1-1.2: Model

Model

HB-A60/CGN8-B HB-A100/CGN8-B HB-A160/CGN8-B

Compatible OU model MHA-V4(6)W/D2N8-B MHA-V8(10)W/D2N8-B MHA-V12(14,16)W/D2N8-B

MHA-V12(14,16)W/D2RN8-B

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Part 1

General Information

2 External Appearance

2.1 Outdoor Unit Appearance

Table 1-2.1: Outdoor unit appearance

MHA-V4(6)W/D2N8-B MHA-V8(10,12,14,16)W/D2N8

MHA-V12(14,16)W/D2RN8

2.2 Hydronic Box Appearance

Table 1-2.2: Hydronic box appearance

HB-A60/CGN8-B HB-A100/CGN8-B HB-A160/CGN8-B

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Service Manual

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M thermal Split

Part 2

Component Layout

and

Refrigerant Circuits

Part 2

Component Layout and

Refrigerant Circuits

1 Layout of Functional Components ......................................................... 8

2 Piping Diagrams .................................................................................. 13

3 Refrigerant Flow Diagrams .................................................................. 15

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Service Manual

1 Layout of Functional Components

1.1 Outdoor Unit Layout

MHA-V4W/D2N8-B / MHA-V6W/D2N8-B

Figure 2-1.1: MHA-V4(6)W/D2N8-B top view

Figure 2-1.2: MHA-V4(6)W/D2N8-B front view

8 202004

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Part 2

Component Layout

and

Refrigerant Circuits

MHA-V8W/D2N8-B / MHA-V10W/D2N8-B

Figure 2-1.3: MHA-V8(10)W/D2N8-B top view

Figure 2-1.4: MHA-V8(10)W/D2N8-B front view

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