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451905.66.07 · FD 9912
EN-7
DHW 300VD+
English
3.5 Opening the unit
The device cover is divided in two. To access the inside of the
device or to make transport easier (prevent damage), both
cover parts can be removed. To do this, the four locks must be
opened with quarter-turns in anti-clockwise direction (the lock
symbol pointing towards the front shows the status of the lock).
The cover can then be removed to the front.
To remove the air circuit cover, the two locking screws must be
removed. The cover can then be removed to the rear.
ATTENTION!
!!
Disconnect the power supply before opening the device;
possible fan coasting must be considered!
4
Installation
4.1 Installation location
Installation location criteria:
The domestic hot water heat pump must be installed in a
dry and frost-free room.
Installation and air intake is not permitted in rooms with air
which is potentially explosive because of gases, vapours or
dust.
Condensate drainage (with a siphon) must be provided.
The air taken in may not be excessively contaminated or
contain large amounts of dust.
The load-bearing capacity of the foundation must be suffi-
cient (the weight of the filled domestic hot water heat
pump is approx. 420 kg!).
For fault-free operation and for any maintenance and repair
work, minimum clearances of 0.6 m are recommended on the
left and right of the device (see illustration). The integration of
the domestic hot water heat pump in the air distribution system
takes place via EPP lines (NW 160 mm internal, 190 mm exter-
nal) and the length of these lines must be taken into account in
the system planning.
Lock
open
min. 0,6 m
min. 0,6 m
min. 0,3 m
90° EPP-pipe bend
(accessories)
Operator side
