Klimaire KSWT SERIES Manual de usuario

INSTALLATION INSTRUCTION

Air Conditioner Service Manual

Wall-mounted Split Type

KSWT SERIES

1. Characteristics of refrigerant

1.1 Temperature-pressure relationships in saturated condition

1.2 Strong/weak points of freon

1.2.1 Strong points

1) Chemical stability

2) No toxicity

3) By little corrosive action on metals, it is applicable to almost all metals.

4) The ratio of Cp/Cv is lower than ammonia and the discharge gas temperature is low, so air cooling type is available.

1.2.2 Weak points

1) A little amount of evaporation heat should circulate a great deal of liquid at the same refrigerating capacity.

2) When using for iron steels, scale occurs more rapidly than ammonia use due to hydrolysis .

3) Generally it is fused in lubricant.

4) Since it is not melted in water, water is separated and water closing occurs in capillary tube.

5) High price

-10 0 10 20 30 40 50 60 70 80

35 Saturation curve

Temperature(°C)

Pressure (kg/cm2 G)

R-12

INSTALLATION

Air Conditioner Service Manual

2. Tools required

2.1 Tools

Screw driver Hand drill Ruler, knife Gas leak detector

& soup water Thermometer Hex. wrench

(Large side: 4mm, 5mm)

Assembly,

disassmbly Indoor installation

plate fixing

Ruler: Length &

distance

measurement.

Knife: Tape cutting Leak inspection

Temperature

measurement at

Indoor suction

inlet/discharge outlet.

Service valve

operating

Core drill

(diameter 70mm) Monkey spanner

(300mm): 2EA Torque wrench Hook meter

(for current measurement)

Insulation

resistance meter Flare tool set

Connnection cable Winter cover Anti-vibration

rubber Band Adhesive Drain hose

Refrigerant pipe

(for high/low pressure)

Putty Vinyl tape Remocon fixture Fixture clamping

screw Remocon

Refrigerant circuit

connection to

Indoor/Outdoor. Chaging of wall-

through hole Wire & pipe

finishing Remocon hanger Remocon fixture

fixing

Indoor-Outdoor

wire connnection Outdoor protection

in a unusedseason

like winter

Vibration absorption

of outdoor

Wire & pipe

finishing Finishing Drainage

Wall through Indoor/Outdoor

pipe connection Indoor/outdoor

pipe connection Current, voltage,

resistance

measurement

Insulation resistance

measurement

(Electric shock prevention)

Pipe cutting,

Burr removal

Level

Clamp meter

Thermometer

Drive torch Mega tester

2.2 Accessory

Remark: Some of the above parts are provided by the installer and not included in the standard air-conditioner.

Air Conditioner Service Manual

7K, 9K

3/8"1/4"3or 5 5

12K

1/2"1/4 3.5 or 5

18K1/2"1/4" 4.5

24K5/8"3/8"5

3. Split type installation

3.1 Select the best location

3.1.1 Indoor unit

1) Do not have any heat or steam near the unit.

2) Select a place where there are no obstacles in front of

the unit.

3) Make sure that condensation drainage can be conve-

niently routed away.

4) Do not install near a doorway.

5) Ensure that the space around the left and right of the

unit is more than 5cm. The unit should be installed as

high on the wall as possible, allowing a minimum of

5cm from ceiling.

6) Use a stud finder to locate studs to prevent unneces-

sary damage to the wall.

3.1.2 Outdoor unit

1) If an awning is built over the unit to prevent direct sun-

light or rain exposure, make sure that heat radiation

from the condenser is not restricted.

2) Ensure that the space around the back and sides is

more than 10cm. The front of the unit should have

more than 70cm of space.

3) Do not place animals and plants in the path of the

warm air.

4) Take the air conditioner weight into account and select

a place where noise and vibration are minimum.

5) Select a place so that the warm air and noise from the

air conditioner do not disturb neighbors.

6) Rooftop Installations:

If the outdoor unit is installed on a roof structure, be

sure to level the unit. Ensure the roof structure and

anchoring method are adequate for the unit location.

Consult local codes regarding rooftop mounting.

3.2 Piping length and elevation

More than 5cm

More than 2.3m More than 5cm

More than 10cm

than 60cm

More than 10cm

More than 60cm

More than 70cm

Pipe Size

Capacity

(Btu/h)

GAS LIQUID

Max.

length

A (m)

Additional

Refrigerant

(g/m)

Max.

Elevation

B(m)

Standard

Length

(m)

* Both gas and liquid interconnecting pipes must be

insulated as a pair, but it is not necessary to indi-

vidually insulate them.

In case more than 5m

• Capacity is based on standard length and maximum allowance

length is on the basis of reliability.

• Oil trap should be installed every 5~7 meters.

Oil trap

Outdoor unit

Indoor unit B

Outdoor unit

Indoor unit

Install the indoor unit on the wall where the height from the

floors more than 2.3 meters.

CAUTION

Air Conditioner Service Manual

3.3 How to fix installation plate

The wall you select should be strong and solid enough to

prevent vibration

3.3.1 Mount the installation plate on the wall with

four type A screws. If mounting the unit on a

concrete wall, use anchor bolts.

• Mount the installation plate horizontally by aligning the center-

line using a level.

3.3.2 Measure the wall and mark the centerline. It

is also important to use caution concerning

the location of the installation plate-routing

of the wiring to power outlets is through the

walls typically. Drilling the hole through the

wall for piping connections must be done

safely.

•For right rear piping and left rear piping, draw a

line in the direction of the arrow marked "D". The

meeting point of the two lines is the center of the

hole.

5-7mm

(0.2~0.3")

Indoor WALL Outdoor

Installation Plate

Marking-off line

Thread

Weight

Type "A" screw

A,B

A,B,C

A,B,D

B,D

ø70mm

Left rear piping Right rear piping

Hole Center Installation plate

• Drill the piping hole with a ø70mm hole core drill.

Drill the piping hole at either the right or the left with

the hole slightly slanted to the outdoor side.

3.4 Drill a hole in the wall

• The position of the center of the hole.

Left holecore position Right holecore position

Air Conditioner Service Manual

3.5.1 Flaring work

Main cause for gas leakage is due to defect in flaring

work. Carry out correct flaring work in the following

procedure.

A. Cut the pipes and the cable.

1) Use the piping kit accessory or the pipes pur-

chased locally.

2) Measure the distance between the indoor and the

outdoor unit.

3) Cut the pipes a little longer than measured dis-

tance.

4) Cut the cable 1.5m longer than the pipe length.

B. Burrs removal

1) Completely remove all burrs from the cut cross

section of pipe/tube.

2) Put the end of the copper tube/pipe in a downward

direction as you remove burrs in order to avoid

dropping burrs into the tubing.

C Putting nut on

• Remove flare nuts attached to indoor and outdoor

unit, then put them on pipe/tube having completed

burr removal.

(not possible to put them on after flaring work)

Copper

pipe 90° Slanted Uneven Rough

Bar

Copper pipe

Clamp handle Red arrow mark

Cone

Yoke

Handle

Bar

"A"

Pipe Reamer

Point down

Flare nut

Copper tube

D. Flaring work

• Carry out flaring work using flaring tool as shown

below.

Firmly hold copper pipe in a die in the dimension shown in

the table above.

E. Check

1) Compare the flared work with figure below.

2) If flare is noted to be defective, cut off the flared sec-

tion and do flaring work again.

Outside diameter A

mm inch

1/4

3/8

1/2

5/8

ø6.35

ø9.52

ø12.7

ø15.88

1.0~1.3

0.8~1.0

0.5~0.8

Inclined

Inside is shiny without scratches

Smooth all round

Even length

all round

Surface

damaged Cracked Uneven

thickness

= Improper flaring =

3.5 Flaring work and connection of piping

Air Conditioner Service Manual

3.5.2 Connection of piping--Indoor

1) Preparing the indoor unit's piping and drain hose for

installation through the wall.

2) Remove the plastic tubing retainer(see illustration

below) and pull the tubing and drain hose away from

chassis.

3) Replace the plastic tubing holder in the original posi-

tion.

A. Route the indoor

tubing and the

drain hose in the

direction of rear

right.

B. Insert the connecting cable into the indoor unit from

the outdoor unit through the piping hole.

1) Do not connect the cable to the indoor unit.

2) Make a small loop with the cable for easy connection

later.

3) Connecting cable

D. Indoor unit installation

• Hook the indoor unit onto the upper portion of the

installation plate.(Engage the two hooks of the rear

top of the indoor unit with the upper edge of the

installation plate.) Ensure that the hooks are properly

seated on the installation plate by moving it left and

right.

Press the lower left and right sides of the unit against the

installation plate until the hooks engage into their slots(click-

ing sound).

C. Tape the tubing, drain hose and the connecting

cable. Be sure that the drain hose is located at the

lowest side of the bundle. Locating at the upper

side can cause drain pan to overflow inside the

unit.

E. Connecting the pipings to the indoor unit and

drain hose to drain pipe.

• Align the center of the pipings and sufficiently tighten

the flare nut by hand.

NOTE:

If the drain hose is routed inside the room, insulate the

hose with an insulation material*so that dripping from "sweat-

ing"(condensation) will not damage furniture or floors.

*Foamed polyethylene or equivalent is recommended.

Cooling Model

Capacity (Btu/h)

Heat Pump Model

Drain hose

Indoor tubing

Connecting

cable

Gas side

piping

Liquid side

piping

Drain hose

Indoor tubing

Connecting

cable Drain hose



74cm

Cable

Gas side piping

Liquid side piping

Length of con-

necting cable

Drain hose

Connecting

cable

Indoor unit tubing Flare nut Pipings

For right rear piping

CAUTION

When install, make sure

that the remaining parts

must be removed clearly so

as not to damage the piping

and drain hose, especially

power cord and connecting

cable.

Air Conditioner Service Manual

7K,9K,12K,18K

24K

F. Wrap the insulation material around the connecting

portion.

• Overlap the connection pipe insulation material and the

indoor unit pipe insulation material. Bind them together

with vinyl tape so that there is no gap.

A. Route the indoor tubing with the drain hose to the

required piping hole position.

B. Insert the piping, drain hose and the connecting cable

into the piping hole.

Plastic bands Insulation material

Drain pipe

Connecting cable

Pipe

Vinyl tape(narrow)

Connection

pipe

Connecting cable

Vinyl tape

(wide) Wrap with vinyl tape

Indoor

unit pipe

Pipe

Torque wrench

Indoor unit tubing

Spanner (fixed)

Connection pipe

Flare nut

Vinyl tape(narrow)

Adhesive

Drain pipe

Indoor unit drain hose

• When extending the drain hose at the indoor unit, install

the drain pipe.

• Tighten the flare nut with a wrench.

3/8"[4.2kg.m]1/4"[1.8kg.m]

1/2"[5.5kg.m]1/4"[1.8kg.m]

24K5/8"[6.6kg.m]3/8"[4.2kg.m]

Pipe Size[Torque]

Capacity

(Btu/h)

GAS LIQUID

• Wrap the area which accommodates the rear piping

housing section with vinyl tape.

• Bundle the piping and drain hose together by wrapping

them with vinyl tape over the range within which they fit

into the rear piping housing section.

For left rear piping

Wrap with vinyl tape

Drain hose

Pipe

Vinyl tape(wide)

Air Conditioner Service Manual

12K,18K

7K,9K

C. Insert the connecting cable into the indoor unit.

1) Don't connect the cable to the indoor unit.

2) Make a small loop with the cable for easy connection

later.

D. Tape the tubing, drain hose and the connecting

cable.

• Connecting cable

E. Indoor unit installation

1) Hang the indoor unit from the hooks at the top of the

installation plate.

2) Insert the spacer etc. between the indoor unit and the

installation plate and separate the bottom of the indoor

unit from the wall.

Cooling Model

Capacity (Btu/h)

Heat Pump Model

Installation plate

Spacer

Indoor unit

8cm

F. Connecting the pipings to the indoor unit and the

drain hose to drain pipe.

• Align the center of the pipings and sufficiently tighten

the flare nut by hand.

• Tighten the flare nut with a wrench.

G. Wrap the insulation material around the connect-

ing portion.

• Overlap the connection pipe heat insulation and the

indoor unit pipe heat insulation material. Bind them

together with vinyl tape so that there is no gap.

Plastic bands Insulation material

Vinyl tape(narrow)

Connection

pipe

Connecting cable

Indoor

unit piping

Pipe

Vinyl tape Wrap with vinyl tape

Indoor unit tubing Flare nut Pipings

Torque wrench

Indoor unit tubing

Spanner (fixed)

Connection pipe

Flare nut

Vinyl tape

Adhesive

Drain hose

Indoor unit drain hose

(narrow)

• When extending the drain hose at the indoor unit,

install the drain pipe.

• Wrap the area which accommodates the rear piping

housing section with vinly tape.

Loop

3/8"[4.2kg.m]1/4"[1.8kg.m]

1/2"[5.5kg.m]1/4"[1.8kg.m]

24K5/8"[6.6kg.m]3/8"[4.2kg.m]

Pipe Size[Torque]

Capacity

(Btu/h)

GAS LIQUID

Air Conditioner Service Manual

7K,9K,12K,18K

24K

12K,18K

7K,9K

3.5.3 Connection of the pipes-Outdoor

A. Align the center of the pipings and sufficiently tighten

the flare nut by hand.

B. Finally, tighten the flare nut with torque wrench until

the wrench clicks.

• When tightening the flare nut with torque wrench,

ensure the direction for tightening follows the arrow on

the wrench.

Liquid side piping

(Smaller diameter)

Gas side piping

(Bigger diameter)

Torque wrench

Outdoor unit

H. Reroute the pipings and the drain hose across the

back of the chassis.

I. Set the pipings and the drain hose to the back of the

chassis with the tubing holder.

• Hook the edge of tubing holder to tap on chassis and

push the bottom of tubing holder to be engaged at the

bottom of chassis.

J. Indoor unit installation

1) Remove the spacer.

2) Ensure that the hooks are properly seated on the

installation plate by moving it left and right.

Drain hose

Connecting

cable

Piping for

passage through

piping hole

Taping

Wrap with vinyl tape

Vinyl tape

Drain hose

Pipe

• Bundle the piping and drain hose together by wrapping

them with cloth tape over the range within which they fit

into the rear piping housing section.

Press the lower left and right sides of the unit against

the installation plate until the hooks engage into their

slots(clicking sound).

3/8"[4.2kg.m]1/4"[1.8kg.m]

1/2"[5.5kg.m]1/4"[1.8kg.m]

24K5/8"[6.6kg.m]3/8"[4.2kg.m]

Pipe Size[Torque]

Capacity

(Btu/h)

GAS LIQUID

Air Conditioner Service Manual

12K,18K

7K,9K

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