Bedienungsanleitung REMKO PWL serie (Seite 10 von 24) (Englisch)

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REMKO PWL

Set the switch of the respective

control unit to the „Off“ or „0“

position.

Precautions for extended periods

of non-use

■

Disconnect the electrical con-

nection in all poles.

■

Shut-off the hydraulic connec-

tion.

■

Where there is a risk of frost,

the entire system must be

drained if no suitable antifreeze

agent has been added to the

heating medium (water).

(See also page 9)

Decommissioning

Care and maintenance

ATTENTION

It does not sufﬁce to switch off

the unit only via the switch!

During initial commissioning

During initial commissioning, all

regulating, control and safety

devices must be checked for their

proper functioning and correct

adjustment.

■

The power consumption of the

fan must be measured.

The nominal current must not

exceed the values on the rating

plate at the respective opera-

ting speeds.

■

Check the motor protection

function of the fan.

■

Check the complete system for

de-energised installation and

possible vibrations.

■

Check the heating/cooling

medium supply pipes for correct

connection, tightness and insu-

lation.

■

It must be ensured that no more

condensate is produced as in

this case the condensate pump

is also disconnected from the

supply and no longer operatio-

nal.

■

Wait for the fan to stop.

■

Shut-off the water circuit and

lock to prevent unauthorised

opening.

■

Allow the ﬁn heat exchanger to

cool down.

Cleaning the units

■

The surfaces of the units must

be cleaned only dry or with a

moist cloth and a small amount

of soap solution if necessary.

■

Under no circumstances use

high-pressure cleaners or steam

jet equipment to clean the

mounted unit.

■

Do not use caustic cleaning

agents or those containing

solvents.

■

Only suitable cleaning agents

must be used even to remove

heavy fouling.

■

Clean all air inlets and air outlet

louvres.

■

Clean the fan impeller. If ne-

cessary, remove the motor or

protection grille.

■

Clean the heat exchanger ﬁns

either by blowing out, suction

or with a soft brush.

The units generally require no

maintenance. The units and ﬁn

exchanger surfaces must be vi-

sually inspected every six months

and before the start of the heating

period.

In dust-laden environments, the

units must be inspected at shorter

intervals.

For this purpose, the cover of the

unit must be detached from the

supporting part of the unit by re-

moving the 3 securing clips at the

corners.

For inspection purposes, the cover

must be held under the supporting

part with the aid of holding straps.

The cover can be removed com-

pletely from the unit if required by

loosening the strap adjuster on the

holding straps.

During removal, it must be en-

sured that the suction hose and

condensate pump sensor are also

disconnected from the supporting

part.

Securing clip

Important precautions to be taken

prior to all maintenance

■

The units must be disconnected

from the supply in all poles and

locked to prevent unauthorised

reconnection.

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REMKO PWL serie Seite 10

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