Wolf AHU TE - Frost Protection Measures; Protecting Heat Exchangers, Scrubbers, and Siphons

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AHU TE
AHUW TE
Frostprotection
Frostprotectionmeasures
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.