Hoval TopVent GV, Operating Instructions Manual, Page: 5 / 44

■ Shut down the unit immediately, if any defects are ascertained that limit the
operational safety:
– Close the main shutoff device in the gas supply line.
– Switch off the power supply (main switch in the control panel).
2.3 Decommissioning
■ Switch off heating operation:
– TopTronic C: Switch the unit to the 'L_OFF' mode.
– TempTronic MTC: Set the room temperature to the lowest setting.
■ Close the cut-off valve in the gas supply line.
■ Let the unit cool off. The fan 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 fan comes to a complete stop!
■ When the fan comes to a stop: switch off the plant on the main switch.
2.4 Emergency situations
In emergency situations:
■ Disconnect the power supply with the main switch in the control panel. The gas
blower and the fan stop 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.
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TopVent ® TG | GV | MG
Operating instructions
Safety Safety
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