York YDCS-28CA15A User manual

ENGLISH

INSTALLATION MANUAL

E-II-YDCS-0907

DIGITAL SCROLL SERIES

AIR-CONDITIONER COMPACT FOUR-WAY CASSETTE

For correct installation, read this manual before starting installation.

Only trained and qualified service personnel should install, repair or service air conditioning equipment. Users

should not install the air conditioner by themselves.

All pictures are only sketches. If there is any difference between pictures in this manual and the actual shape

of the air conditioner you purchased, the actual shape shall prevail.

Models:

YDCS-28C(A/B)15A

YDCS-36C(A/B)15A

YDCS-45C(A/B)15A

CONTENTS

INSTALLATION INFORMATION ................................................................................. 4

INSTALLATION LOCATION ....................................................................................... 5

INDOOR UNIT INSTALLATION ................................................................................. 6

DRAINPIPE INSTALLATION ..................................................................................... 9

ELECTRIC WIRING ................................................................................................... 11

CONTROL ................................................................................................................. 13

NETWORK ADDRESS SETTING .............................................................................. 14

TROUBLE SHOOTING .............................................................................................. 14

TEST OPERATION .................................................................................................... 15

INSTALLATION INFORMATION

• Please read this Installation Manual carefully before installation.

• The Air Conditioner must be installed by qualified service personnel.

• When installing the indoor unit or its tubing, please follow this manual as strictly as possible.

• When all the installation work is finished, please turn on the power only after a thorough check.

• This manual is subject to changes due to technological improvement without further notices.

Note:

• The installer should illustrate how to correctly use and repair the appliance to user and remind the user carefully reading

and keeping both Installation Manual and Owner's Manual after the air conditioner is installed.

• Pictures in this manual are based on standard model. The shape shown may be slightly different from the air conditioner

you purchased.

ACCESSORIES

Please make sure the accessories are complete and keep those accessories carefully.

Cautions on remote controller installation:

• Do not throw or beat the remote controller.

• Before installation, operate the remote controller to determine its location in a reception range.

• Keep the remote controller at least 1m apart from the nearest TV set or stereo equipment. (It is necessary to prevent

image disturbances or noise interferences.)

• Do not install the remote controller in a place exposed to direct sunlight or close to a heating source, such as a stove.

• Make sure to install the battery in correct direction.

• Please read the Remote controller User's Manual carefully before using.

Wiring

INSTALLATION LOCATION

• A place where there is enough room for installation and maintenance.

• The ceiling is structurally sound to hold the Indoor Unit.

• A place that is well ventilated and the influence of weather is the least.

• A place that the airflow can reach every corners of the room.

• A place where the refrigerant connecting pipe and drain pipe can reach out easily.

• A place free of flammable gas or corrosive gas leakage.

• A place where there is no direct affection from man-made high-voltage current and highfrequency wave.

• A place which is far from noises and vibration.

INDOOR UNIT SHOULD BE INSTALLED AT:

CAUTIONS

Location in the following places may cause malfunction of the machine. (If unavoidable, please consult your local dealer.)

A. There is mineral oil like the oil of cutting machine.

B. There is much salty air. (Near the coast)

C. There is caustic gas such as sulfuric gas. (Near the hotspring.)

D. Factory where the voltage fluctuate greatly.

E. In the car or in the cabin.

F. In the kitchen or a place full of oil steam..

G. There is strong electromagnetic wave.

H. There is combustible gas or materials.

I. There is much evaporating acid or alkaline gas.

J. Other special areas.

1. Decide the correct carry-in path.

2. Move this unit as originally packaged as possible.

3. If the air conditioner is installed on a metal part of the building, it must be electrically insulated according to the relevant

electrical code.

4. If installing in a lonely building or at a high position where it is hot and humid with frequent thunderstorm, lightning-

protection equipment is necessary.

NOTES BEFORE INSTALLATION

INDOOR UNIT INSTALLATION

1. Install the main body

A. The existing ceiling (to be horizontal)

a. Please cut a quadrangular hole of 600 600mm in the ceiling according to the shape of the installation paper board.

(Refer to Chart3,4)

• The center of the hole should be at the same position of that of the air conditioner body.

• Determine the lengths and outlets of the connecting pipe, drain pipe and cables.

• To balance the ceiling and to avoid vibration, please enforce the ceiling when necessary.

b. Please select the position of installation hooks according to the hook holes on the installation board.

• Drill four holes of Ø12mm, 50~55mm deep at the selected positions on the ceiling. Then embed the expansible

hooks(fittings).

• Face the concave side of the installation hooks toward the expansible hooks. Determine the length of the installation

hooks from the height of ceiling, then cut off the unnecessary part.

• If the ceiling is extremely high, please determine the length of the installation hook according to facts.

• Cut the installation hook open in the middle position, then use appropriate length of reinforcing rod (Ø12) to weld together.

Ground

Outlet

422 28.5

)

oB(08

580(Body)

P(056

650(Panel)

Outlet

003

Inlet

000

>1000

215

The length could be calculated from Chart5:

Length=210+L (in general, L is half of the whole length of the installation hook)

c. Please adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body.

• Use the transparent hose filled with water to check the lever of the main body from the four sides or diagonal line

direction, the lever indicator also can check the lever from four sides of the main body Refer to chart 6)

• If the drainpipe is awry, leakage will be caused by the malfunction of the water-level switch.

• Adjust the position to ensure the gaps between the body and the four sides of ceiling are even. The body's lower part

should sink into the ceiling for 10~12mm (Refer to chart5).

• Locate the air conditioner firmly by wrenching the nuts after having adjusted the body's position well.

B. New built houses and ceilings

a. In the case of new built house, the hook can be embedded in advance (refer to the A.b mentioned above). But it should

be strong enough to bear the indoor unit and will not become loose because of concrete shrinking.

b. After installing the body, please fasten the installation paper board onto the air conditioner with bolts (M5x16) to determine

in advance the sizes and positions of the hole opening on ceiling.

Please first guarantee the flatness and horizontal of ceiling when installing it.

Refer to the A.a mentioned above for others.

c. Refer to the A.c mentioned above for installation.

d. Remove the installation paper board.

-01

Colourless

Ceiling

Body

Ceiling Panel

Hook

Body

600

Body

Installation

(Accessory)

Installation

Horizontal

indicator

Nut

Electricthrottle

device

Electric

throttl evice

2. Install The Panel

• Never put the panel face down on floor or against the wall, or on bulgy objects.

• Never crash or strike it.

(1) Remove the inlet grid.

a. Slide two grid switches toward the middle at the same time, and then pull them up. (Refer to chart 9)

b. Draw the grid up to an angle of about 30 , and remove it. (Refer to chart 10)

2. Install The Panel

a. Align the swing motor on the panel to the water receiver of the body properly. (Refer to chart 11)

b. Hang the four fixed rope of the main body to the installation cover and the other three covers of the swing motor: (Refer

to chart 11-1 and 2)

CAUTIONS

The installation cover of the swing motor must sink into the corresponding water receiver.

c. Install the panel on the main body with bolt (M5x16) and washer. (Refer to chart 11-4)

d. Adjust the four panel hook screws to keep the panel horizontal, and screw them up to the ceiling evenly.

e. Regulate the panel in the direction of the arrow in Chart 11-3 slightly to fit the panel's center to the center of the ceiling's

opening. Guarantee that hooks of four corners are fixed well.

f. Keep fastening the screws under the panel hooks, until the thickness of the sponge between the body and the panel's

outlet has been reduced to about 4~6mm. The edge of the panel should contact with the ceiling well. (Refer to chart 12)

• Malfunction described in Chart 13 can be caused by inappropriate tightness the screw.

• If the gap between the panel and ceiling still exists after fastening the screws, the height of the indoor unit should be

modified again. You can modify the height of the indoor unit through the openings on the panel's four corners, if the lift

of the indoor unit and the drainpipe is not influenced (refer to chart 14-right).

(3) Hang the air-in grid to the panel, then connect the lead terminator of the swing motor and that of the control

box with corresponding terminators on the body respectively.

(4) Relocate the air-in grid in the procedure of reversed order, install the air-in grid.

Chart 10

Chart 9

Grid switch

45º

DRAIN PIPE INSTALLATION

1. Install the drainpipe of the indoor unit

• You can use a polyethylene tube as the drainpipe (out-dia. 31~32mm, in-dia. 25mm). It could be bought at local market

or from your dealer.

• Set the mouth of the drainpipe onto the root of the body's pump-pipe, and clip the drainpipe and the out-let pipe sheath

(fittings) together firmly with the out-let pipe clasp (fitting).

CAUTIONS

Use your strength carefully to prevent the pump-pipe from breaking.

• The body's pump pipe and the drainpipe (especially the indoor part) should be covered evenly with the out-let pipe

sheath (fittings) and be bound tightly with the constrictor to prevent condensation caused by entered air.

• To prevent water from flowing backwards into the air conditioner while the air conditioner stops, please lean the drainpipe

down toward outdoor (outlet-side) at a degree of over 1/50. And please avoid any bulge or water deposit. (Refer to Chart

15.a)

• Do not drag the drainpipe violently when connecting to prevent the body from being pulled. Meanwhile. one support-

point should be set every 1~1.5m to prevent the drainpipe from yielding (Refer to Chart15.b). Or you can tie the drainpipe

with the connecting pipe to fix it. (Refer to Chart 15.c)

• In the case of prolonged drainpipe, you had better tighten its indoor part with a protection tube to prevent it from loosing.

• If the outlet of the drainpipe is higher than the body's pump joint, the pipe should be arranged as vertically as possible.

And the lift distance must be less than 200mm, otherwise the water will overflow when the air conditioner stops. (Refer

to Chart 16)

Electric throttle device

Drain side

Steel rope

Cover

Swing motor installation cover

Swing motor side

Bolt, washer

Chart 11

Body

Panel foam 2Ceiling

Panel sealing foam

Panel foam

Outlet air Air plate Panel Panel foam

Hexagonal nut

Horizontal adjustment

Ceiling

Chart 14

Chart 12

Chart 13

Dew

Ceiling Leakage

Inlet air

The end of the drainpipe should be over 50mm higher than the ground or the bottom of the drainage chute, and do not

immerse it in water. If you discharge the water directly into sewage be sure to make a U-form aquaseal by bending the

pipe up to prevent the smelly gas entering the house through the drain pipe.

CAUTIONS

All the joints of the drain system must be sealed to prevent water leakage.

2. Drainage test

• Check whether the drainpipe is unhindered

• New built house should have this test done before paving the ceiling.

1- Remove the test cover, and stow water of about 1500ml to the water receiver through the stow tube. (Refer to Chart 17)

2- Turn on the power, and operate the air conditioner under the "COOLING" mode. Listen to the sound of the drain pump.

Check whether the water is discharged well (a lag of 1min is allowed before discharging, according to the length of

the drain pipe), and check whether water leaks from the joints.

CAUTIONS

If there is any malfunction, please resolve it immediately.

3- Stop the air conditioner for there minutes, check if everything is ok. If the drain hose is located unreasonable, water

overflow will cause the Alarm indicator lamp flashing (For both cooling and heating type or cooling only type), even

the water leak out from the water receiver.

Chart 15

Chart 16

Chart 17

Lean over 1/50

Constrict here Lean over 1/50

Drainpipe

Connecting pipe

Lean over 1/50

Pump-pipe clasp

(the fittings)

Stow

Body Drain pipe

Stow tube

Water receiver

Drain plug

Drip tray

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