Wrg 180 Ec + Rls 2 F + Wrh In The Supply Air Channel - Maico WRG 180 EC Mounting And Operating Instructions

9.3 WRG 180 EC + RLS 2 F + WRH in
the supply air channel
Protection of a hydraulic heat register
against frost damage.
A hydraulic heat register must be protected
against frost damage with a safety device.
1 Exhaust air
2 Supply air
3 Outgoing air
4 Outside air
R1 Temperature sensor
WRH Water air heater
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