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Mitsubishi Heavy Industries SRK20ZMXA-S User Manual

Mitsubishi Heavy Industries SRK20ZMXA-S
152 pages
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RESIDENTIAL AIR-CONDITIONING
TECHNICAL MANUAL & PARTS LIST
WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONERS
(Split system, air to air heat pump type)
SRK20ZMXA-S
SRK25ZMXA-S
SRK35ZMXA-S
SRK50ZMXA-S
SRK60ZMXA-S
Manual No.'14
SRK-T-155

Table of Contents

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Mitsubishi Heavy Industries SRK20ZMXA-S Specifications

General IconGeneral
Cooling Capacity2.0 kW
Heating Capacity2.5 kW
Power Supply220-240 V, 50 Hz
Outdoor Unit Dimensions (W x H x D)780 x 540 x 290 mm
Weight (Outdoor Unit)30 kg
RefrigerantR32
TypeSplit Air Conditioner

Summary

1. SPECIFICATIONS

3. ELECTRICAL WIRING

(1) Indoor units

Detailed electrical wiring diagram and component list for indoor units.

(2) Outdoor units

Wiring diagram and specifications for outdoor units.

5. PIPING SYSTEM

7. CAPACITY TABLES

8. APPLICATION DATA

(1) Installation of indoor unit

Safety precautions and step-by-step instructions for installing the indoor air conditioning unit.

(2) Installation of outdoor unit

Safety precautions and installation procedures for the outdoor air conditioning unit.

2. REFRIGERANT PIPING WORK

1) Restrictions on unit installation and use

General restrictions for unit installation and usage concerning refrigerant piping.

2) Determination of pipe size

Tables and criteria for selecting appropriate refrigerant pipe sizes based on model and length.

3) Refrigerant pipe wall thickness and material

Specifications for the required wall thickness and material of refrigerant pipes.

4) On-site piping work

Detailed instructions for performing on-site piping work, including flaring and connections.

9. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

(1) Operation control function by wireless remote control

Detailed description of buttons and functions on the wireless remote control for operating the unit.

(18) Protective control function

Explains various protective controls like dew prevention, frost prevention, and overload protection.

10. MAINTENANCE DATA

(1) Cautions

Important safety and handling precautions before performing maintenance or troubleshooting.

(3) Troubleshooting procedure (If the air conditioner does not run at all)

Step-by-step guide for diagnosing and resolving issues when the unit fails to start.

(4) Troubleshooting procedure (If the air conditioner runs)

Diagnostic steps for when the air conditioner runs but exhibits problems.

(5) Self-diagnosis table

Table detailing error codes, causes, and conditions for troubleshooting based on unit displays.

(6) Service mode (Trouble mode access function)

Procedure to access and interpret service mode data, including error and stop codes.

(7) Inspection procedures corresponding to detail of trouble

Detailed inspection procedures for specific issues like sensor errors and fan motor problems.

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