Bedienungsanleitung REMKO RXT521 DC (Seite 29 von 56) (Englisch)

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Adding refrigerant

The units contain a basic quantity

of refrigerant. For refrigerant line

lengths of more than 5 metres

per circuit, an additional amount

of refrigerant must be added, in

accordance with the following

table:

RXT 351 DC

RXT 521- 681DC

RXT 1051 DC RXT 1401 DC

Up to and incl. 5m

0 g/m

5m to max. 15m

30 g/m - -

5m to max. 25m

- 30 g/m

5m to max. 30m

30 g/m

5m to max. 50m

30 g/m

After leak testing has been

successfully completed, connect

the vacuum pump via the

pressure gauge station to the

valve connections on the outdoor

component (see chapter "Leak

testing") and create a vacuum.

Perform the following checks

prior to putting the unit into

operation for the ﬁrst time and

after any work on the refrigerant

circuit. Record the results in the

commissioning report:

■

Check all refrigerant pipes and

valves using leak detection

spray or soapy water for leaks

and for accidental swapping of

the suction and injection lines,

with the unit at a standstill.

■

Check refrigerant pipes and

insulation for damage.

■

Check electrical connection

between indoor unit and

outdoor component for correct

polarity.

■

Check that all fastenings,

mountings, etc. are ﬁrm and at

the correct level.

Before

commissioning

When ﬁlling the system with

refrigerant, make sure that it is

always in liquid form!

CAUTION

NOTE

Check the refrigerant ﬁll

quantity in the event of

overheating

Wear protective clothing when

handling refrigerant.

CAUTION

Commissioning

Commissioning should only be

performed and documented by

specially trained personnel.

NOTE

Once all the components have

been connected and tested, the

system can be commissioned

. A functional check should be

performed to verify its correct

function and identify any unusual

operational behaviour prior to

handing it over to the operator.

Function test and test run

Check the following points:

■

Leak tightness of refrigerant

pipes.

■

Compressor and fan running

smoothly.

■

In cooling mode, cold air

output by the indoor unit, and

warm air output by the outdoor

component.

■

Function test of the indoor unit

and all program sequences.

Check that the shut-off valves

and valve caps are tight after

carrying out any work on

the refrigerant circuit. Use

appropriate sealant products as

necessary.

NOTE

The escape of refrigerant con-

tributes to climatic change. In

the event of escape, refrigerant

with a low greenhouse poten-

tial has a lesser impact on glo-

bal warming than those with a

high greenhouse potential.

This device contains refrige-

rant with a greenhouse poten-

tial of 1975. That means the

escape of 1 kg of this refrige-

rant has an effect on global

warming that is 1975 times

greater than 1 kg CO2, based

on 100 years. Do not conduct

any work on the refrigerant

circuit or dismantle the de-

vice - always enlist the help of

qualiﬁed experts.

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