Commissioning; Initial Start-Up; Recommissioning; Shutting Down The System - STIEBEL ELTRON VRL-C 300 G Premium Installation

INSTALLATIoN

Commissioning

5.11.1 Option: routing cables out at the back
If required based on local conditions, you can route the electrical
cables out through the back of the appliance.
1 Control panel cover
f Undo the screws and remove the control panel cover. f
f Carefully push the small metal panels out of the cable entry f
at the back of the appliance casing.
f To avoid damaging the cables, insert the cable protection f
ring from the cable entry at the top into the cable entry at the
back.
f If you are using both cable entries, you must install a second f
cable protection ring on site.
5.11.2 Connecting cable from the programming unit to the
appliance
f Route the connecting cable for the programming unit and the f
cables for external control components through the prepared
cable entry.
f Connect the programming unit to the appliance. f
Distance between programming unit and appliance > 15 m:
To enable a connection length of up to 200 m, use a screened
cable.
f Connect the programming unit with a 6-pole cable (LiYCY) f
and a type RJ12/6/6 plug in the appliance. See wiring dia-
gram in chapter "Specification".
f Before closing the control panel, plug the earth connection f
into the control panel cover.
Appliance with grille
f Plug the connecting cable into the socket in the control panel f
cover.
Appliance with duct connection
f Route the connecting cable through the opening in the con- f
trol panel cover or the cable entry at the top or at the back.
f Plug the connecting cable into the socket on the controller f
PCB. See wiring diagram in chapter "Specification".
28 | VRL-C 300/625/870
1
6. Commissioning
WARNING Injury
!
Incorrect commissioning can lead to injury or damage to
the system or building.
WARNING Injury
!
If the unit is switched on without the air ducts connected
and someone reaches through the air connectors into the
unit, there is a risk of injury.
Do not commission the unit until the air ducts are firmly
connected to it.
Material losses
!
Never operate the appliance without filters.
Material losses
!
Never operate the ventilation system if there are high
levels of dust inside the building or outside, as this could
block the filter.
6.1

Initial start-up

We recommend having commissioning carried out by our service
department.
f In the case of appliances with grilles for extract and ex- f
haust air, adjust the fins in a way that ensures optimum air
distribution.
Appliance handover
f Explain the appliance function to users and familiarise them f
with how it works.
f Make users aware of potential dangers. f
f Hand over these instructions. f
6.2

Recommissioning

f Check whether filters are fitted in the appliance. Never oper- f
ate the appliance without filters.
f Check whether the condensate drain hose is damaged or f
kinked.
7.

Shutting down the system

We recommend running the appliance in fan stage 1, even during
prolonged absence.
Material losses
!
If you interrupt the power supply to the appliance, check
that humidity protection is ensured for the building.
If the appliance needs to be taken out of use for an extended
period, disconnect it from the power supply.
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