Bedienungsanleitung REMKO WLT-EC serie (Seite 44 von 60) (Englisch)

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10 Before commissioning

Anti-freeze protection for the medium

If a water-glycol mixture is used, it is to be pre-

mixed before being put in the system. The desired

concentration is then to be checked.

Bleeding the system

n Air may still be in the pipe lines after the leak

testing. This is carried during operation of the

circulation pump to the automatic bleeding

valves or to the cold water drain. It is neces-

sary to bleed again here.

n The non-circulating pressure must then be

adjusted to the required system pressure.

NOTICE!

During manual bleeding, any glycol mixtures

which escape must be disposed of separately

Do not feed them into the condensate tray!

Diaphragm expansion vessel

n The preliminary pressure for the diaphragm

expansion vessel must be adjusted individually

to the system layout, the volume of the medium

and the installation site.

Valves for hydronic balancing

n The calculated excess pressure in the pipe net-

work layout at the individual cold water outlets

must be adjusted with the valves for hydronic

balancing.

Safety valve

n The safety valves and their correct function

must be checked.

n The drain line for the valves is to be checked

for function and leak tightness.

Configuration setting

n Before the electrical voltage is applied to the

unit for the first time, the settings described in

the "Configuration" chapter must be made

according to the use.

11 Commissioning

NOTICE!

Commissioning should only be performed by

specially trained personnel and documented

after the certificate has been issued.

NOTICE!

Observe the manuals for the unit and all other

components when commissioning the entire

system.

Function test for cooling operating mode

1. Switch the power supply on.

2. Open all shut-of

f valves if necessary.

3. Switch on the chiller and the corresponding

circulation pump. The outlet temperature

must be between +4 and +18 °C.

4. Use the remote control to switch on the unit

and select the cooling mode, maximum fan

speed and lowest target temperature.

5. Measure and record all the required values in

the commissioning report and check the

safety functions.

6. Check the unit control system using the func-

tions described in the "Operation" chapter

7. Check that the condensate drainage line is

functioning correctly by pouring distilled

water into the condensate tray

. A bottle with

a spout is recommended for pouring the

water into the condensate tray.

Function test of heating operating mode

1. Switch the power supply on.

2. Open all shut-of

f valves if necessary.

3. Switch on the heating system and the corre-

sponding circulation pump. The outlet tem-

perature must lie between +35 and +70 °C.

4. Use the remote control to switch on the unit

and select the heating mode, maximum fan

speed and highest target temperature.

5. Measure and record all the required values in

the commissioning report and check the

safety functions.

6. Check the unit control system using the func-

tions described in the "Operation" chapter

REMKO WLT EC series

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