Frost Protection - Wolf KG Installation And Maintenance Instructions Manual

Frost protection measures
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Frost protection
Heat exchanger
LPHW / MPHW heating coils, chilled water cooling coils, plate-type heat exchangers:
- Always install KG air-handling units in rooms free from the risk of frost.
- Operate with commercially available antifreeze and frost stat.
- When the heating system is shut down drain all water-retaining parts and use
compressed air to blow out residual water.
- Plate-type heat exchanger with bypass: operate in bypass mode to defrost.
Steam coil:
- When the heating system is shut down drain all water-retaining parts and use
compressed air to blow out residual water.
Electric heating coil:
- No frost protection measures required.
Scrubber section
Insulate the water supply pipe on site; install pipe ribbon heater if required.
Drain the tray and the pipework; blow out the pipework with compressed air.
Drain the pump (see the pump manufacturer's separate instructions supplied).
Siphon
Protect the siphon on site against the risk of frost.
KG Top
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