WEGER WALTER GMBH DIWER EVO DP80 Series, Installation And Operating Manual

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Installation and Operating Manual Page
58
Printed: 02/2015
b) Excessive volumetric air flow
Reduce the fan speed by changing the belt pulleys or reducing the inverter Output Frequency
(Hz)
In the event of excessive volumetric air flow, there is a risk of damage to the motor from
overload.
Always notify WEGER of any modifications made to the unit.
8. Shutdown and decommissioning
8.1. Prolonged shutdown / decommissioning
If the unit is to be shut down for a prolonged period of time, proceed as follows:
- Disconnect energy supply (electric power, pressure, temperature, etc.).
- Drain the water from the heat exchanger.
- In units with integrated control cabinet, we recommend leaving the control cabinet
heater switched on.
- Turn the rotating parts of the fan from time to time by hand to prevent seizing.
- Before restarting the unit, perform all commissioning tasks in this manual.
8.2. Dismantling and disposal
Proceed as follows:
- Have the unit dismantled by an authorised specialist contractor.
- All process chemicals and substances in the unit (water, oil, refrigerant) must be
collected and disposed of separately according to the applicable statutory regulations.
- Separate metal and plastic parts for recycling according to the applicable statutory
waste disposal regulations.