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CF-4002 12 BTU
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Coolfort CF-4002 12 BTU [19/28] English

ENGLISH

be attached to brackets, which in turn are fixed to the wall

with strong anchors. The installation of the brackets shall

be determined using a builder level, since an unevenly

mounted air conditioner can lead to increased vibra-

tion and loud noise during operation. After mounting the

brackets, proceed to the installation of the outdoor unit

itself. Before installing the outdoor unit on the brackets, it

is imperative to tie it with a safety belt (cable). This mea-

sure will prevent the outdoor unit from slipping out of your

hands. Lift the outdoor unit with two people, holding it on

both sides, place it on the window sill, then holding it with

a safety cable, transfer the outdoor unit onto the brack-

ets. Now that the outdoor unit is in place, secure it with

M8 bolts and nuts. In addition, the outdoor block is fixed

with reinforced washers and vibration dampers, if they

are included in the kit. After the outdoor unit is securely

fastened, remove the safety belt.

Then comes the stage of preparing communications. First,

measurements are taken of the length of the communica-

tion from the outdoor unit to the indoor unit. The vertical

section is measured from the indoor unit and the inclined

section to the hole in the front wall and the outdoor unit,

taking into account the required length for connection and

all bends and allowances. After determining the length,

prepare the freon line (route). The route consists of copper

pipes of different diameters, through one of which freon

circulates in a gas state, and through the other in a liquid

state. Uncoil the copper pipes carefully and use a pipe cut-

ter to cut to the required length. Close the pipes inlets with

suitable plugs. Then put thermal insulation of the appro-

priate diameter on the copper pipes. Put the insulated

copper pipes together and add the PVA interconnect wire,

taking into account the required length for connecting to

the blocks, and a drain pipe for draining the condensate. If

necessary, the drain pipe can not be added to the commu-

nication, but run separately. Wrap the resulting line along

its entire length with insulating tape or tighten with clamps

in increments of 0.3-0.5 m.

Next, proceed to the installation of cable channels.

Communications will be laid therein.

The installation process is as follows: it is necessary to

measure the distance from the outlet of the copper pipes

on the indoor unit to the level of the hole in the front wall,

taking into account the angle of inclination. When mount-

ing cable channels, it is also recommended to use a

builder level so that the vertical part of the cable channel

is flat, and the horizontal part is slightly inclined by 3-5°

towards the front wall.

The next stage of work – communications laying.

Most often, this work begins with the installation of a drain-

age pipeline. In our case, this is a special corrugated hose

∅16mm. The end up to 1.5 m long is brought out to the

street through the hole.

The second part is laid in the lower part of the cable chan-

nel, while you need to pay attention that the hose lies flat

and is not twisted. Next, you should lay the route. Part

of the line shall be brought out into the street through

the hole for freon communications, which is prepared at

the very beginning of installation, the other part remains

indoors. All communications passing from the indoor unit

to the hole are laid neatly in the cable duct box, taking into

account the release of the required lengths for connecting

the indoor and outdoor units. the drain pipeline is recom-

mended to place under the copper pipes. This allows

condensation to drain freely outside the building.

To connect the pipes to the indoor unit, a special rolling tool

is used, which makes the necessary extensions at the end

of the pipe, a pipe cutter and a chamfering rimmer. Before

flaring, move the thermal insulation aside and do not forget

to put freon nuts on the ends of the pipes corresponding to

the diameter of the pipes to be connected. After this proce-

dure, be sure to check that there are no cracks, scratches

or abrasions on the flared part of the pipe. The surface shall

be perfectly flat and clean. This is one of the most important

points in the installation of an air conditioner. To get a good

result, you should not use a cheap rolling tool. Connect the

pipes of the indoor unit and tighten the freon nut first with

your fingers and then with two wrenches, not exceeding the

recommended tightening torque. To prevent the formation

of condensation at the junction of the pipeline, the nuts shall

be tightly wrapped with thermal-insulating material with an

allowance of 100-150 mm on each side and tightened with

clamps. After that, connect the drainage pipeline.

To prevent rupture, insulate the joint with PVC tape.

After connecting the pipes, turn to the wires. To connect

the interconnect cable, there are special terminal blocks in

the indoor unit of the air conditioner, that securely clamp

the wires.

Next, connect the outdoor unit. The route is laid as evenly

as possible, with neat bends, from the outer hole on the

front wall of the house to the connection point on the outer

block. After laying the route with a pipe cutter, leave the

required length of pipes. As well as on the indoor unit,

the pipes are flared and connected to the fittings of the

outdoor unit of the air conditioner.

Then connect the wiring to the terminal block of the out-

door unit. Close this connection with a protective cover.

After the freon circuit is assembled, it is necessary to

evacuate it. Remove the plugs from the valves of the out-

door unit. Use a vacuum pump and gauge manifold during

this process. After evacuating the system, turn off the

pump and leave the manifold connected for 10-15 minutes

to check the pipeline for leaks. After checking the pipeline,

you can open the ports on the air conditioner and put gas

into the system, then turn on the air conditioner to check

its operability.

A general air-conditioner installation plan is shown

in fig. 1.

Indoor unit control cable connection (20) (fig. 2)

1) Remove the cover (3) from the indoor unit (7) to

access the terminal block (2);

2) When connecting the wires to the indoor unit terminal

block (2), follow the annexed connection diagram

(see. Annex 1);

3) Place the lid (3) back to its place. Make sure the B-side

of the lid is outside (fig. 2)

INNER BLOCK INSTALLATION (fig. 1, 3)

Choose the best place to install the indoor unit (7)

– Choose a place where there is enough strength to with-

stand the weight of the inner block, and there is no ten-

dency to increase noise and vibration during operation.

– Choose a place where there are no obstacles near the

air outlet, and the air can be easily blown out into all

corners.

– Make sure that the condensate can be conveniently

drained, and the air filter can be easily removed if nec-

essary.

Coolfort CF-4002 12 BTU [19/28] English

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