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8.2.1 Electrical equipment
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Regularly check the electrical equipment of the unit.
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Replace loose connections and faulty cables immediately.
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Regularly check the earth conductor.
8.2.2 Servomotors on the dampers
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The motors are maintenance-free.
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At regular intervals, check that the connection from the servomotor to the
damper drive is firmly seated.
8.2.3 Trap
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Regularly check the DN 50 trap (accessories) for possible soiling and clean if
required (see checklist).
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Refill the trap with water before returning into use.
8.2.4 Countercurrent plate heat exchanger (PHE)
Check and clean at regular intervals.
Cleaning the heat exchanger (possible without replacing the PHE):
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Vacuum, taking care not to bend the fins.
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Clean with water (non-pressurised) or a soapy solution
Removal of the plate elements is possible using an appropriate retaining rail set.
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Cleaning methods that use high pressure (e.g. steam jet/high pressure washer) carry a risk of irreparable
mechanical damage to the plate heat exchanger.
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Before restarting, replace the factory-fitted seal on the condensate pan if this was removed during
maintenance on the plate heat exchange
r.
8.2 Maintenance instructions
Please
note
