8
Endura
®
Delta
en
Extra safety measures:
• Always ensure that the unit is turned off and unplugged before starting to work on it. Do this by
unplugging the power cable from the wall socket or by switching off the fuse (always check to
see if this has actually been done!).
• Always wait at least 30 seconds before turning the power back on.
• Use the appropriate/correct tools when working on the Endura Delta.
PLEASE NOTE:
The ventilation system must continuously operate, i.e. the Endura Delta may never be
turned off (legal requirement according to NBN D50-001, Chapter 4.2 System D).
3.6 • Frost protection
The Endura Delta is equipped as standard with a frost protection mechanism (see Section
10.2.5.1.3.a) to prevent frost from forming in the heat exchanger. When frost forms, there is a
decrease in your ventilation system’s yield and the heat exchanger could be damaged.
Every Endura Delta unit is equipped with basic frost protection. In addition, you can opt to
have the unit equipped with an electric preheater to guarantee that the unit continues to operate
correctly even in very harsh winter temperatures.
The preheater cannot be installed afterwards. So please make sure you are ordering the correct
type of unit, with or without a preheater, before confirming your order.
PLEASE NOTE:
It is important that the Endura Delta is always connected to the mains voltage so that
the frost protection is guaranteed.
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