Frost Protection - Wolf AHU TE Installation And Maintenance Instructions Manual

Frost protection measures
3064058_201610
Frost protection
Heat exchanger
LPHW / MPHW heating coils, chilled water cooling coils, plate-type heat exchangers:
- Always install AHU TE 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.
AHU TE
AHUW TE
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