■
Replacement parts must comply with the technical requirements of the system
manufacturer. Hoval recommends the use of original spare parts.
■
Unauthorised reconfiguration or modification of the unit is not permitted.
■
Shut down the unit immediately, if any defects are ascertained that limit the
operational safety.
2.3 Decommissioning
■
Switch off heating operation (operating mode 'L_OFF').
■
Close the cut-off valve in the gas supply line.
■
Let the unit cool off. The heating pump continues to run to cool down the heat
exchanger.
Attention
Fire hazard due to hot components. Do not switch off the power supply
until the heating pump comes to a complete stop!
■
When the heating pump comes to a stop: Turn the isolation switch on the unit to
the 'Off' position.
2.4 Emergency situations
In emergency situations:
■
Disconnect the power supply with the main switch in the control panel. The unit
stops immediately. In this case, the orderly cool down of the heat exchanger
does not happen.
■
Close the cut-off valve in the gas supply line.
2.5 Regulations
Observe all applicable national regulations and standards as well as generally
accepted engineering practice for the installation and operation of gas-fired units.
4
5
RoofVent
®
KG
Operating instructions
Safety
Safety
4 220 755-en-00
