McQuay SL30CR, CK20A, SL30C, CK25AR, YSL20BRK Installation Manual
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CEILING CASSETTE
SPLIT TYPE
AIR CONDITIONER
INSTALLATION MANUAL
COVER-CK-20A 2/1/01, 10:34 AM3
1-1
English
This manual provides the procedures of installation to ensure a safe and good standard of operation for the air
conditioner unit.
Special adjustment may be necessary to suit local requirements.
Before using your air conditioner, please read this instruction manual carefully and keep it for futur e reference.
INST ALLA TION MANUAL
CEILING CASSETTE SPLIT TYPE AIR CONDITIONER
MODEL
COOLING ONLY HEAT PUMP
CK20AR / ACK20AR / MCK020AR / YCK20AR
SL20BRK / ALC20BRK / MLC020BRK / YSL20BRK
CK25AR / ACK25AR / MCK025AR / YCK25AR
SL25BRK / ALC25BRK / MLC025BRK / YSL25BRK
CK30AR / ACK30AR / MCK030AR / YCK30AR
SL30CR / ALC30CR / MLC030CR / YSL30CR
CK40AR / ACK40AR / MCK040AR / YCK40AR
SL40CR / ALC40CR / MLC040CR / YSL40CR
CK50AR / ACK50AR / MCK050AR / YCK50AR
SL50CR / ALC50CR / MLC050CR / YSL50CR
CK20A / ACK20A / YCK20A
SL20B / ALC20B / YSL20B
CK25A / ACK25A / MCK025A / YCK25A
SL25B / ALC25B / MLC025B / YSL25B
CK30A / ACK30A / MCK030A / YCK30A
SL30C / ALC30C / MLC30C / YSL30C
CK40A / ACK40A / MCK040A / YCK40A
SL40C / ALC40C / MLC040C / YSL40C
CK50A / ACK50A / MCK050A / YCK50A
SL50C / ALC50C / MLC050C / YSL50C
Part No.:08019004666
IM-CKA-0400-1
CK20A(1-16)ENG 2/1/01, 10:15 AM1
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CONTENTS
- Safety Precautions page 02
- Installation Diagram page 03
- Outline And Dimensions page 04
- Installation of Indoor Unit page 5
- Installation Of Outdoor Unit page 09
- Refrigerant Piping Work page 9
- Electrical Wiring Connection page 10
- Vacuuming and Charging page 13
SAFETY PRECAUTIONS
Before installing the air conditioner unit, please read the following safety precautions carefully.
! Warning
• Installation and maintenance should be performed by qualified persons who are familiar with local code and
regulation, and experienced with this type of appliance.
• All field wiring must be installed in accordance with the national wiring regulation.
• Ensure that the rated voltage of the unit corresponds to that of the name plate before commencing wiring work
according to the wiring diagram.
• The unit must be GROUNDED to prevent possible hazard due to insulation failure.
• All electrical wiring must not touch the refrigerant piping or any moving parts of the fan motors.
• Confirm that the unit has been switched OFF before installing or servicing the unit.
IMPORTANT
DO NOT INSTALL OR USE THE AIR CONDITIONER UNIT IN A LAUNDRY ROOM.
- Accessory Parts page 13
- Indicator Lights page 14
- Overall Checking page 15
- Standard Operation Conditions page 15
- Auto Random Re-start Function page 15
- Service And Maintenance page 16
- Trouble Shooting page 16
! Caution
Please take note of the following important points when installing.
• Do not install the unit where leakage of flammable gas may occur.
If gas leaks and accumulates around the unit, it may cause fire ignition.
• Ensure that the drainage piping is connected properly.
If the drainage piping is not connected properly, it may cause water leakage which will dampen the
furniture.
• Do not overcharge the unit.
This unit is factory pre-charged. Overcharge will cause over-current or damage to the compressor.
• Ensure that the units panel is closed after service or installation.
Unsecured panels will cause the unit to operate noisily.
CK20A(1-16)ENG 2/1/01, 10:15 AM2
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English
INDOOR UNIT
OUTDOOR UNIT
Drain Hose
Front Panel
Air Filter
(behind the grille)
Air Discharge Louver
IR Receiver
LED Light
Air Intake Grille
Refrigerant Piping
Air Intake
Air Discharge
Wireless Remote Control
Air Discharge Louver
Remote Control
INSTALLATION DIAGRAM
OUTDOOR UNIT
Drain Hose
Front Panel
Air Filter
(behind the grille)
Air Discharge Louver
Air Intake Grille
Air Discharge Louver
Refrigerant Piping
Air Intake
Air Discharge
Remote Control
Wired Remote Control
Air Intake
Air Intake
CK20A(1-16)ENG 2/1/01, 10:15 AM3
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OUTLINE AND DIMENSIONS
MODEL A B C D E F G H I J K
CK 20A/AR
CK 25A/AR
CK 30A/AR 820 820 363 335 28 930 930 642 622 555 555
CK 40A/AR
CK 50A/AR
Indoor Unit : CK20A / 25A / 30A / 40A / 50A & AR
• (With Wireless Remote Control & With Wired Remote Control)
F
H
I
J
G
M
E
C
D
B
A
Outdoor Unit : SL20B / 25B
MODEL A B C D E F G H I J K L
SL20B /
840 492 408 378 330 297 309 626 646 64 148.5 78.5
SL20BRK
SL25B /
SL25BRK
A
B
E
F
C
D
G
L
H
I
J
K
All dimensions are in mm.
All dimensions are in mm.
CK20A(1-16)ENG 2/1/01, 10:15 AM4
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English
INSTALLATION OF THE INDOOR UNIT
Outdoor Unit : SL30C / 40C / 50C & CR
All dimensions are in mm.
141.5
746.5
141.5
1030.0
20.0
20.0 448.0
850.0
25.0
50.0
85.0
400.0
320.040.0
40.0
Preliminary Site Survey
• Electrical supply and installation is to conform to local authority's (e.g. National Electrical Board) codes and regulations.
• Voltage supply fluctuation must not exceed +10% of rated voltage. Electricity supply lines must be independent of
welding transformers which can cause high supply fluctuation.
• Ensure that the location is convenient for wiring, piping and drainage.
• The indoor unit must be installed in such that is free from any obstacles in path of cool air discharge and warm air return,
and must allow spreading of air throughout the room (near the center of the room).
• Must be provide clearance for the indoor unit from the wall and obstacles as shown in the figure.
! Caution
Sharp edges and coil surfaces are potential locations which may cause
injury hazards. Avoid from being in contact with these places.
Max. 0.3 m
Min. 0.5 m
Min. 0.5 m
Min. 0.5 m
Min. 1.0 m
Max. 3.0 m
Floor
Obstacle
Beam
• The installation place must be strong enough to support a load 4 times the indoor unit weight to avoid amplifying noise
and vibration.
• The installation place (hanging ceiling surface) must be assuring levelness and the height in the ceiling is 350mm or more.
• The indoor unit must be away from heat and steam sources (avoid installing it near an entrance).
CK20A(1-16)ENG 2/1/01, 10:15 AM5
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