Instruction Manual ZHK
112/129
V07-19.0
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Check for proper operation of the differential pressure switch
–
for function refer to
chapter 7.7
Differential pressure restriction for plate heat exchangers
).
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If there is a bypass damper, please refer to
chapter 9.7 (Dampers)
.
Attention!
Heat exchanger must not be damaged mechanically or chemically through clean-
ing.
9.10.2
Heat wheels
Check the drive unit according to the manufacturer's instructions.
In general:
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The construction of the storage mass is nearly completely self-cleaning.
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The rotor can be cleaned with compressed air, water, steam and grease-dissolving household
cleaning products.
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The sliding seal, which seals the rotor, is to be checked and adjusted if necessary.
9.10.3
Heat pipes
Heat pipe components have no drive or moving parts, maintenance is limited to cleaning:
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Clean the drain pan and check the siphon. Fill the siphon, if necessary.
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Fins cleaned by:
o
Compressed air against the air flow direction or
o
Spraying with low pressure water, if required add household cleaning detergent.
-
If bypass dampers exist, please refer to
chapter 9.7 (Dampers)
.
9.10.4
Accublocs
Electrical connection:
The accubloc is supplied including a controller supplied loosely (configured with default values),
including operating instruction. On site the following must be provided:
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Power supply 3x400 V (efficiency according to technical data sheet)
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Control signal 0-10 V
All bearings are self-lubricating ball bearings or bronze bearings. These should not be re-lubri-
cated. It is important to ensure that the sensor is about 2 mm away from the engine. This can be
checked with a 2 mm thick piece of sheet metal. If necessary, the distance can be readjusted. The
inner side of the sensor is accessible through the open damper with a wrench SW17.
Caution!
Switch off before installation and secure against accidental reconnec-
tion.
Summary of Contents for ZHK Series
Page 1: ...ZHK INSTRUCTION MANUAL ...
