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Mitsubishi Heavy Industries SKM35ZF-S User Manual

Mitsubishi Heavy Industries SKM35ZF-S
127 pages
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Manual No. '06 • SCM-T-052
INVERTER MULTI-SPLIT SYSTEM
ROOM AIR-CONDITIONER
(Air to air heat pump type)

Table of Contents

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Mitsubishi Heavy Industries SKM35ZF-S Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Seasonal Energy Efficiency Ratio (SEER)6.1
Power Supply220-240 V, 50 Hz
RefrigerantR32
Indoor Unit Dimensions (W x H x D)845 x 275 x 228 mm
Outdoor Unit Dimensions (W x H x D)780 x 540 x 290 mm
Energy Efficiency Class CoolingA++
Energy Efficiency Class HeatingA+
TypeSplit System

Summary

1 GENERAL INFORMATION

1.1 Specific features

Details on piping length, connectable units, capacities, and inverter functions.

1.2 How to read the model name

Explanation of the model naming convention with a diagram.

2 SELECTION DATA

2.1 Specifications

Technical specifications for various indoor unit models (SKM, STM, SRRM).

2.2 Range of usage & limitations

Operating limits and restrictions for different air conditioner models.

2.3 Exterior dimensions

Dimensional drawings for indoor units (SKM, STM) and outdoor units (SRRM).

2.4 Piping system

Diagrams illustrating the refrigerant piping for various models.

2.5 Selection chart

Charts for correcting capacity based on temperatures and piping length.

3 ELECTRICAL DATA

3.1 Electrical wiring

Wiring diagrams and component identification for indoor and outdoor units.

4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

4.1 Remote Control Operation

Explains the functions of the wireless remote control buttons.

4.2 Unit ON/OFF Button

Describes the function of the unit's ON/OFF button.

4.3 Drain Motor Forced Operation

Details forced operation for drain motor in specific models.

4.4 Power Outage Auto Restart

Explains automatic restart after power interruption.

4.5 Flap Control

Controls flap movement using the AIRFLOW button.

4.6 Comfortable Timer Setting

Describes setting the comfortable timer for ON/OFF operations.

4.7 Cooling Operation Details

Details cooling operation, capacity control, and mode switching.

4.8 Heating Operation Details

Details heating operation, capacity control, and mode switching.

4.9 Automatic Operation Overview

Describes automatic mode determination and temperature settings.

4.10 Operating Mode Determination

Explains how cooling, heating, and fan modes are determined.

4.11 External Control and Input Signals

Details external control and input signal connections.

4.12 Operation Permission/Prohibition Control

Explains control of operation based on jumper wires and signals.

4.13 Control and Protection Functions

Describes various control and protection functions.

5 APPLICATION DATA

SAFETY PRECAUTIONS

Crucial safety warnings for installation and usage of air conditioning systems.

5.1 Installation of indoor unit (SKM)

Guidance on installing wall-mounted indoor units (SKM).

5.1 Installation of indoor unit (STM)

Guidance on installing 4-way ceiling cassette indoor units (STM).

5.1 Installation of indoor unit (SRRM)

Guidance on installing ducted indoor units (SRRM).

5.2 Installation of remote control

Instructions for installing the remote control.

5.3 Installation of outdoor unit

Guidelines for selecting and installing outdoor units.

5.4 Electrical wiring

Instructions for connecting power and crossover wires.

5.5 Refrigerant Piping

Details on refrigerant piping limits, diameters, and connections.

5.6 Test run and handling instruction

Procedures for testing and handling the unit after installation.

5.7 Installation of wired remote control and super link adapter (SC-AD-E)

Instructions for installing optional wired remote controls and adapters.

5.8 Installation of optional parts (Ducted type)

Details on installing optional parts for ducted units.

6 MAINTENANCE DATA

6.1 Trouble shooting

Systematic troubleshooting guide for common issues.

7 REFRIGERANT PIPING INSTALLATION/SERVICING MANUAL FOR AIR CONDITIONERS USING R410A

7.1 Outline

General information about R410A refrigerant and safety.

7.2 Refrigerant piping installation

Details on piping materials, joints, processing, and brazing.

7.3 Installation, removal and servicing

Procedures for installing, removing, and servicing the system.

7.4 Refrigerant recovery

Procedures and tools for refrigerant recovery.

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