McQuay A Series User manual

CEILING CASSETTE

SPLIT TYPE AIR CONDITIONER

(A Series)

INSTALLATION MANUAL

Group: CEILING CASSETTE

Part Number: A08019025503

Date: MAY 2001

IM-CKA-0501-McQuay

OUTLINE AND DIMENSIONS

MODEL A B C D E F G H I J K

20A / 20AR

25A / 25AR

30A / 30AR 820 820 363 335 28 930 930 642 622 555 555

40A / 40AR (32,2) (32,2) (14,3) (13,2) (1,1) (36,6) (36,6) (25,2) (24,5) (21,9) (21,9)

50A / 50AR

Indoor Unit (CKA Series)

• (With Wireless Remote Control & With Wired Remote Control)

All dimensions are in mm / (in)

Outdoor Unit (SL - B Series)

All dimensions are in mm / (in)

Dimension A B C D E F G H J K L M N P Q R

20B / 20BR 840 646 330 297 309 626 41 85 75 177 106 408 378 124 592 78,5

25B / 25BR (33,1) (25,4) (13,0) (11,7) (12,2) (24,6) (1,6) (3,3) (3,0) (7,0) (4,2) (16,1) (14,9) (4,9) (23,3) (3,1)

30B / 30BR

15 (0,6)

39 (1,5)

840 (33,1)

124 (4,9)

840 (33,1)

297 (11,7)

15 (0,6)

39 (1,5)

5 (0,2)

20 (0,8)

20 (0,8) 2,5 (0,1)

5 (0,2)

160 (6,3)

141

(5,6)

(2,6)

20 (0,8)

78,5 (3,1)

124 (4,9)592 (23,3)

378 (14,9)

408 (16,1)

330 (13,0)

(3,3)

(1,6)

(3,0)

177 (7,0)

106

(4,2)

626 (24,6)

646 (25,4)

309 (12,2)

Dimension A B C D E F G H I J K L M N O

20C/CR 855 628 328 508 181 44 93 149 101 113 603 126 164 17 49

(33,7) (24,7) (12,9) (20,0) (7,1) (1,7) (3,7) (5,9) (4,0) (4,4) (23,7) (5,0) (6,4) (0,7) (1,9)

25C/CR 855 730 328 513 182 44 93 149 101 113 603 126 164 17 47

28C/CR (33,7) (28,7) (12,9) (20,2) (7,2) (1,7) (3,7) (5,9) (4,0) (4,4) (23,7) (5,0) (6,4) (0,7) (1,9)

Dimension P Q R S T

20C/CR 32 3 23 73 75

(1,3) (0,1) (0,9) (2,9) (3,0)

25C/CR 32 3 23 73 75

28C/CR (1,3) (0,1) (0,9) (2,9) (3,0)

All dimensions are in mm / (in)

Outdoor Unit : SL20C / 25C / 28C & CR

iii

Outdoor Unit : SL30C / 40C / 50C & CR

KLL

FOR SL25C/CR

ONLY

141,5

(5,6)

746,5

(29,4)

1030,0 (40,6)

20,0

(0,8)

448,0

(17,6)

850,0 (33,5)

25,0 (1,0)

50,0

(2,0)

85,0

(3,3)

400,0 (15,7)

320,0 (12,6)

40,0

(1,6)

40,0

(1,6)

141,5

(5,6)

20,0

(0,8)

All dimensions are in mm / (in)

!Caution Sharp edges and coil surfaces are potential locations which may cause

injury hazards. Avoid from being in contact with these places.

!Avertissement Les bords coupants et les surfaces du refroidisseur tuulaire présentent

un risque de blessure. Mieux vaut éviter le contact avec ces endroits.

!Vorsicht Scharfe Kanten und Wärmetauscherflächen stellen eine Gefahrenquelle dar.

Jeglicher Kontakt mit diesen Stellen ist zu vermeiden.

!Cautela Per preservarsi da eventuali ferite, evitare di toccare gli spigoli afilati e la

superficie dei serpentini.

!Cuidado Los Bordes afilados y la superficie del serpentín pueden producir lesiones.

Evite tocarlos.

!Осторожно Острые края и поверхности змеевиков являются

потенциальными местами нанесения травм. Остерегайтесь

контакта с этими местами.

This product is subjected to Waste of Electrical and Electronic Equipment Regulations (WEE

Regulations). The waste product shall be separately collected by specific collection and treatment centre

lease refer to local authorithy for these centres. This is only applicable to European Union countries

Ce produit est soumis

la r

chets

lectriques e

lectroniques (r

chet doi

tre collect

par

ent par un centre de collect

et de traitement s

cifique. Veuillez vous r

s locales pour conna

tre ces centres. Ceci

îî

enne

Questo prodotto

soggetto alle disposizioni RAEE (Rifiuti di apparecchiature elettriche ed elettroniche)

ritirato da un centro incaricato del ritiro e smaltimento. Per conoscere il

ome del centro pertinente, contattare le autori

locali. Questa disposizione

valida solamente i paes

’

ctrico y Elect

ico en materia d

ado se

fico

de colecc

Europea

Dieses Produkt unterliegt den Bestimmungen zur Entsorgung von elektrischen und elektronische

tes

getrennt vom Hausm

ll bei Ihrer

tlichen

ndiges Abfall-Amt. Dieser

ää

Hinweis gilt nur f

nder der Europ

ää

ischen Union

анног

авил

Ев

опейског

NOTICE

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 future reference.

INSTALLATION MANUAL

CEILING CASSETTE SPLIT TYPE AIR CONDITIONER

MODEL

COOLING ONLY HEAT PUMP

Part No.:A08019025503 IM-CKA-0501(2)-McQuay

CK20AR / MCK020AR

SL20CR / MLC020CR

4SL20BR / M4LC020BR

5CK20AR / M5CK020AR

5SL20CR / M5LC020CR

CK25AR / MCK025AR

SL25CR / MLC025CR

4SL25BR / M4LC025BR

5CK25AR / M5CK025AR

5SL25CR / M5LC025CR

CK30AR / MCK030AR

SL28CR / MLC028CR

SL30CR / MLC030CR

4SL30CR / M4LC040CR

5CK30AR / M5CK030AR

5SL28CR / M5LC028CR

5SL30CR / M5LC035CR

CK40AR / MCK040AR

SL40CR / MLC040CR

4SL40CR / M4LC040CR

5CK40AR / M5CK040AR

5SL35CR / M5LC035CR

5SL40CR / M5LC050CR

CK50AR / MCK050AR

SL50CR / MLC050CR

4SL50CR / M4LC050CR

5CK50AR / M5CK050AR

5SL50CR / M5LC050AR

CK20A / MCK020A

SL20C / MLC020C

4SL20B / M4LC020B

5CK20A / M5CK020A

5SL20C / M5LC020C

CK25A / MCK025A

SL25C / MLC025C

4SL25B / M4LC025B

5CK25A / M5CK025A

5SL25C / M5LC025C

CK30A / MCK030A

SL28C / MLC028C

SL30C / MLC030C

4SL30C / M4LC040C

5CK30A / M5CK030A

5SL28C / M5LC028C

5SL30C / M5LC035C

CK40A / MCK040A

SL40C / MLC040C

4SL40C / M4LC040C

5CK40A / M5CK040A

5SL35C / M5LC035C

5SL40C / M5LC040C

CK50A / MCK050A

SL50C / MLC050C

4SL50C / M4LC050C

5CK50A / M5CK050A

5SL50C / M5LC050C

1-2

CONTENTS

- Outline And Dimensions page i – iv

- Safety Precautions page 2

- Installation Diagram page 3

- Installation Of The Indoor Unit page 4

- Installation Of The Outdoor Unit page 6

- Refrigerant Piping Work page 7

- Electrical Wiring Connection page 8

Special Precautions When Dealing With R410A Unit

page 11

Special Precautions When Dealing With R407C Unit

page 11

- Vacuuming And Charging page 11

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.

- Special Precautions When Charging Unit With

Copeland Scroll Compressors page 12

- Accessory Parts page 13

- Indicator Lights page 13

- Overall Checking page 14

- Standard Operation Conditions page 15

- Auto Random Re-start Function page 15

- Service And Maintenance page 15

- Troubleshooting page 16

- Phase Sequencer (Optional) 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.

1-3

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

Indoor unit

1-4

INSTALLATION OF THE INDOOR UNIT

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.

•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).

Unit Installation

•Measure and mark the position for the hanging rod. Drill

the hole for the angle nut on the ceiling and fix the hanging

rod.

•The installation template is extended according to

temperature and humidity. Check on dimensions in use.

•The dimensions of the installation template are the same

as those of the ceiling opening dimensions.

•Before ceiling laminating work is completed, be sure to

fit the installation template to the indoor unit.

NOTE

Be sure to discuss the ceiling drilling work with the

installers concerned.

•Confirm the pitch of the hanging rod is 790mm ×620.5mm

sharp.

•Hold the unit and hang it on the hanging rod with the nut

and washer.

•Adjust the unit height to 35.0 mm between the indoor unit

bottom surface and the ceiling surface.

•Confirm with a level gauge that the unit is installed

horizontally and tighten the nut and bolt to prevent unit

falling and vibration.

•Open the ceiling board along the outer edge of the paper

installation template.

Unit Hanging

Min. 0.5 m Min. 0.5 m Min. 0.5 m

Max. 0.3 m

Max. 3.0 m

Min. 1.0 m

Floor

Obstacle

Beam

35.0 mm

Ceiling

Board

Indoor Unit

890.0 mm (Ceiling board opening)

790.0 mm (Hanging rod)

Unit size 820.0 mm

890.0 mm (Ceiling board opening)

620.5 mm (Hanging rod)

Unit size 820.0mm

Unit

Piping Direction

1-5

English

Main Drain Pipe

Feed Water

Flexible Drain Hose

Drain Test

NOTE

This Indoor Unit uses a drain pump for condensed water drainage. Install the unit horizontally to prevent water

leakage or condensation around the air outlet.

Indoor Unit

Pipe Clamp

Good Bad

Drain Piping Work

•Drain pipe must be in downward gradient for smooth

drainage.

•Avoid installing the drain pipe in up and down slope to

prevent reversed water flow.

•During the drain pipe connection, be careful not to exert

extra force on the drain connector at indoor unit.

•The outside diameter of the drain connection at the

flexible drain hose is 20mm.

•Be sure to execute heat insulation (polyethylene foam

with thickness more than 8.0mm) on the drain piping to

avoid the condensed water dripping inside the room.

•Connect the main drain pipe to the flexible drain hose.

•Feed water from flexible drain hose to check the piping

for leakage.

•When the test is completed, connect the flexible drain

hose to the drain connector on the indoor unit.

•The front panel can only be fitted in one direction, follow the piping direction. (Follow piping arrow sticker on front

panel)

•Be sure to remove the installation template before installing the front panel.

Panel Installation

Open

Screw

•Open the air intake grille by pulling back the catchers and removing it together with filter from panel.

•Install the front frame panel onto the indoor unit by 4 screws and tighten it completely to prevent cool air leakage.

•Connect the LED wire and air swing wire to the indoor unit.

•The air swing connector must put inside the control box after connected.

From

Front

Panel

LED Wire

Air Swing Wire

Control Box

Table of contents

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