Bedienungsanleitung REMKO MVT950 DC (Seite 21 von 28) (Englisch)

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Be sure to check the

association of the electrical

and refrigerant pipes before

commissioning!

The connections of the

individual circuits may not be

mixed up.

Mixing up the assignment of

control lines and refrigerant

pipes can lead to fatal

consequences (compressor

damage)!

Commissioning of the

individual circuits must be

carried out successively.

CAUTION

Function test and test run

Check the following points:

■

Leak tightness of refrigerant

pipes.

■

Compressor and fan running

smoothly.

■

In cooling mode, cold air should

be output by the indoor unit,

and warm air should be output

by the outdoor unit.

■

Functional test of the indoor

unit and all program sequences.

■

Check of the surface

temperature of the suction pipe

and determination of vaporiser

overheating.

To measure the temperature,

hold the thermometer to the

suction pipe and subtract the

boiling point temperature

reading on the pressure

gauge from the measured

temperature.

■

Record the measured

temperatures in the

commissioning report.

Functional test for cooling mode.

1. Remove the protective caps

from the valves.

2. Begin the commissioning

process by brieﬂy opening the

stop valves on the outdoor

unit until the pressure gauge

indicates a pressure of approx.

2 bar.

3. Use leak detection spray or

suitable devices to check that

all the connections are tight. If

no leaks are found, fully open

the stop valves by turning them

anti-clockwise using a spanner.

If leaks were found, draw off

the refrigerant and rework

the defective connection. It

is imperative that the vacuum

creation and drying steps are

repeated!

4. Switch off the main circuit

breaker or remove the fuse

(provided by the customer).

5. Set the target temperature

on the indoor unit using the

remote control. This should be

set to a value lower than the

room temperature.

6. Switch the indoor unit to

cooling mode.

NOTE

Due to the turn on delay, the

compressor will start up a few

minutes later.

8. Check the control system in the

indoor unit using the functions

described in the manual.

Timer, temperature settings and

all mode settings.

Check the overheating,

outdoor, indoor, outlet and

vaporisation temperatures and

record the measured values in

the commissioning report.

10.

Remove the pressure gauge.

11.

Proceed as previously described

for all other refrigerant circuits.

Check that the stop valves

and valve caps are tight after

carrying out any work on the

refrigerant circuit. If neces-

sary, use appropriate sealant

products.

NOTE

Check the individual operating

parameters with the help of

the display on the outdoor

unit as described on page

22 and note the value in the

commissioning protocol.

NOTE

Final tasks

■

Use the remote control to set

the target temperature to the

required value.

■

Re-ﬁt all the dismantled parts.

■

Familiarize the operator with

the system.

7. Check the correct function

and settings of all regulation,

control and safety devices

during the test run.

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