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Mitsubishi Heavy Industries SCM60ZF-S User Manual

Mitsubishi Heavy Industries SCM60ZF-S
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55
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4) Conditions for finishing defrosting
When any of the following conditions is met, the defrosting finishing operation will start.
1 When the temperature of the outdoor heat exchanger sensor (Tho-R) is 20 °C or more.
2 When 10 minutes has passed after the start of defrosting.
3 When the temperature at the outdoor heat exchanger sensor (Tho-R) is 18°C or higher continuously for 1 minute.
(40, 48, 80 type)
4.9 Outline of automatic operation
(1) Determination of operation mode
The unit checks the room temperature and the outdoor air temperature after operating the indoor and outdoor blowers for 20
seconds, determines the operation mode and the room temperature setting correction value, and then enters in the automatic
operation.
(2) The unit checks the temperature every hour after the start of operation and, if the result of check is not same as the previous
operation mode, changes the operation mode.
(3) When the unit is started again within one hour after the stop of automatic operation or when the automatic operation is selected
during heating, cooling or dehumidifying operation, the unit is operated in the previous operation mode.
(4) Setting temperature can be adjusted within the following range. There is the relationship as shown below between the signals of the
wireless remote control and the setting temperature.
Signals of wireless remote control (Display)
–6 –5 –4 –3 –2 –1 ±0+1+2+3+4+5+6
Setting
Cooling 19 20 21 22 23 24 25 26 27 28 29 30 31
temperature
Dehumidifying 19 20 21 22 23 24 25 26 27 28 29 30 31
Heating 20 21 22 23 24 25 26 27 28 29 30 31 32
Heating
Dehumidifying
Cooling
Room temperature (˚C)
Outdoor temperature (˚C)
27.5
25.5
19.5
18
30
SCM60ZF-S
Outdoor unit speed Outdoor unit fan
R1 (rps) R2 (rps)
F1
1-room 2-room 3-room 1-room 2-room 3-room
6th speed
20 35 50 15 25 35
X1 pluse X2 pluse
1-room 2-room 3-room 1-room 2-room 3-room
Operating unit 180 160 150 140 115 110
SCM80ZF-S
Outdoor unit speed Outdoor unit fan
R1 (rps) R2 (rps)
F1
1-room 2-room 3-room 4-room 1-room 2-room 3-room 4-room
6th speed
30 35 50 65 20 25 35 45
X1 pluse X2 pluse
1-room 2-room 3-room 4-room 1-room 2-room 3-room 4-room
Operating unit 99 94 91 90 89 82 81 80

Table of Contents

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Mitsubishi Heavy Industries SCM60ZF-S Specifications

General IconGeneral
Cooling Capacity6.0 kW
Power Supply220-240 V, 50 Hz
Indoor Unit Dimensions (W x H x D)Varies depending on the indoor unit model selected
Weight (Indoor Unit)Varies depending on the indoor unit model selected
Indoor Unit Noise LevelVaries depending on the indoor unit model selected

Summary

GENERAL INFORMATION

Specific features

Details on piping length, connectable units, and inverter control.

How to read the model name

Explanation of the model naming convention for units.

SELECTION DATA

Specifications

Technical specifications for indoor and outdoor units, including capacities and dimensions.

Range of usage & limitations

Defines the operational limits for indoor and outdoor temperatures and piping.

Exterior dimensions

Provides detailed physical dimensions for indoor and outdoor units.

Piping system

Illustrates the refrigerant piping layout for different models.

Selection chart

Charts for correcting capacity based on temperatures and piping length.

ELECTRICAL DATA

Meaning of marks

Explains symbols used for components in outdoor and indoor units.

Electrical wiring

Wiring diagrams for indoor units, outdoor units, and remote controls.

OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

Operation control function by remote control switch

Details on using wireless and wired remote controls, unit indicators, and buttons.

Unit ON/OFF button

Explains the function of the unit's physical ON/OFF button.

Drain motor forced operation functions (STM, SRRM only)

Procedures for forced operation of the drain motor in specific models.

Power blackout auto restart function

Describes the function that resumes operation after a power cut.

Flap control (SKM, STM only)

Instructions on adjusting the air direction flap using the remote control.

Comfortable timer setting

Details on setting the comfortable timer for operation start time.

Cooling operation

Information on cooling operation modes and fan speed control.

Control and protection functions

Details various protective functions like frost prevention, overload, and compressor controls.

Heating operation

Information on heating operation modes and fan speed control.

Outline of automatic operation

Explains how the unit determines and changes operation modes automatically.

Determining the operating mode

Illustrates how operating modes are determined and switched.

External control (remote display) /control of input signal (STM, SRRM only)

Covers external control outputs and input signal control for specific models.

Operation permission/prohibition control (STM, SRRM only)

Explains how to control operation using jumper wires and external signals.

APPLICATION DATA

SAFETY PRECAUTIONS

Critical safety warnings and cautions for installation and handling.

Installation of indoor unit

Instructions for mounting and installing various indoor unit types (SKM, STM, SRRM).

Installation of remote control

Procedures for installing the remote control and its accessories.

Installation of outdoor unit

Guidelines for selecting installation location and mounting outdoor units.

Electrical wiring

Instructions for connecting power lines and crossover wires for units.

Refrigerant Piping

Information on pipe limits, diameters, connection, and additional charge.

Test run and handling instruction

Steps for performing test runs and initial handling after installation.

Installation of optional parts (Ducted type)

Instructions for installing optional ducted type parts like grilles and filters.

MAINTENANCE DATA

Trouble shooting

Comprehensive guide for diagnosing and resolving operational issues with self-diagnosis.

Servicing

Procedures for evacuation and refrigerant charging during servicing.

REFRIGERANT PIPING INSTALLATION/SERVICING MANUAL FOR AIR CONDITIONERS USING R410A

Outline

Information on R410A refrigerant, its characteristics, and safety.

Safety during installation/servicing

Precautions for safe installation and servicing with R410A.

Refrigerant piping installation

Details on piping materials, joints, processing, and brazing for R410A.

Installation, removal and servicing

Covers tools for R410A, new installation, replacement, and retrofitting.

Refrigerant recovery

Procedures and tools for recovering R410A refrigerant safely.

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