Commissioning and Maintenance
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Shut Down
If out of operation for some time, especially if there is a danger of freezing, the heat
exchanger must be emptied completely if no anti-freezing agent was added. For this purpose
remove all purging and discharging screws. Then for complete emptying blow air
(compressed air, fan etc) through each heat exchanger as up to 50% fluid may remain in the
heat exchanger during free purging which results in a higher danger of damage during frost.
Remove brine following manufacturer information.
Disassembly/Reassembly of Coils
Shutdown the coil, and drain it.
Remove connection pipe and hydraulic set.
Remove the coil’s front panel (use Torx T25 or screw driver).
(Cooling coil: Remove the condensate backflow preventer sheet.)
Pull out coil to the front side, support coil if necessary.
Check sealings, replace worn out parts.
Reassemble in reverse order.
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