Bedienungsanleitung REMKO ML 355 DC (Seite 22 von 68) (Englisch)

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5 Installation Instructions for qualified personnel

5.1 Important notes prior to instal-

lation

n T

ransport the unit in its original packaging as

close as possible to the installation location.

You avoid transport damage by doing so.

n Check the contents of the packaging for com-

pleteness and check the unit for visible trans-

port damage. Report any damage immediately

to your contractual partner and the shipping

company.

n Lift the unit on the corners and not on the

refrigerant or condensate drainage connec-

tions.

n The refrigerant piping (liquid and suction pipe),

valves and connections must be insulated to

make them vapour diffusion proof. If necessary

also insulate the condensate drainage line.

n Select an installation location which allows air

to freely flow through the air inlet and outlet

(see section "Minimum clearances")

n Do not install the unit in the immediate vicinity

of devices which generate intensive thermal

radiation. Installation in the vicinity of thermal

radiation reduces the unit output.

n Only open the shut-off valves on the refrigerant

piping after installation is complete.

n Seal off open refrigerant piping with suitable

caps or adhesive strips to prevent the infiltra-

tion of moisture and never kink or compress

the refrigerant piping.

n Avoid unnecessary bends. This minimises the

pressure loss in the refrigerant piping and

ensures that the compressor oil can flow back

without obstruction.

n Make special preparations regarding the oil

return if the outdoor unit is located above the

indoor unit (see section "Oil return measures").

n Add refrigerant if the basic length of the refrig-

erant piping exceeds 5 metres. For the quantity

of additional refrigerant, refer to chapter

"Adding refrigerant".

n Perform all electrical wiring in accordance with

applicable DIN and VDE standards.

n Ensure the electrical cables are properly con-

nected to the terminals, otherwise there is a

risk of fire.

n Only use the fasteners contained in the scope

of delivery with the units.

n Use four supports and the associated hooks to

attach the ceiling cassette (only applies to

ceiling cassettes).

n Use the insulated condensate hose in the

scope of delivery as a junction piece to the

continuing condensate drain. Secure the con-

densate drain with the supplied clamps.

5.2 Wall openings

n A wall opening of at least 70mm diameter and

10mm incline from the inside to the outside

must be created.

n T

o prevent damage to the lines, the interior of

the wall opening should be padded or, for

example, lined with PVC pipe (see figure).

n After installation has been completed, use a

suitable sealing compound to close off the wall

opening, taking account of fire protection regu-

lations (responsibility of customer). Do not use

cement or lime containing substances!

21 5

3 4

Fig. 20: Wall opening

1: Liquid line

2: Control line

3: Condensate drainage line

4: Suction pipe

5: PVC pipe

5.3 Installation materials

The indoor unit is attached to the wall by a wall

bracket and 4 screws (to be provided by the cus-

tomer).

The outdoor unit is attached by 4 screws and a

wall bracket to the wall or fixed by a floor bracket to

the ground.

REMKO ML series

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