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Droplet eliminator
Check droplet eliminator about once a year for contamination. Remove fins and clean if nec-
essary. Contamination can cause damage by water drops and reduce the performance of the
device. Please make sure that the fins are installed properly and are not bent.
Pollutants can cause poor performance of the AHU as well as damage due to
drop flight.
Steam Coil
Check automatic vapor supply stop and automatic fan run for some minutes, when after unit
shut down.
9.4.2 Refrigerant
For the medium refrigerant (direct evaporator or condenser coil) the same actions apply as
described in chapter 9.4.1(Medium water / steam). Additional actions to be taken see
chapter 9.10 (Refrigeration circuit).
9.4.3 Electric Heater
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When working on the electric heater, refer to instructions in chapter 2 (Safety instruc-
tions).
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Check electric heaters for dirt and corrosion, clean heating elements if necessary.
Check built-in safety devices and electrical parts for proper functioning.
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9.5 Humidifier, Air washers
9.5.1 Pump
The maintenance of pumps and motors is done according to the manufacturer's instructions.
In general:
Regular cleaning of all components largely determines the hygiene of the entire system.
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Never let operate the pump without liquid.
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Protect the pump from any solids.
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When unused for long periods the water must be released for hygiene reasons and the
drain must be cleaned properly. Drain the pump as well.
The need for a sterilizing system depends on the operating conditions and is to check
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case by case.
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