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DHW 300D - DHW 300D+
3.5 Opening the device
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.
EN-6
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.
Furthermore, installation and air intake is not permitted in
rooms with air which is potentially explosive because of
gases, vapours or dust.
In order to prevent damage to interior walls caused by hu-
midity, good thermal insulation between the room into which
the exhaust air is released and the neighbouring rooms is
recommended.
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 required on the left and
right of the device (see illustration). The domestic hot water heat
pump can be connected using EPP air ducts NW 160 internal
(optional), which must not exceed a total length of 10 m.
If air ducts are not used, a 90° EPP pipe bend pointing down-
wards on the outlet side can be used for sound optimised opera-
tion (see illustration)
4.2 Installation
Remove the three transport restraint screws (M12 - fixing
the device to the pallet) from the bottom of the pallet.
Remove the pallet and mount the three M12 supporting feet
(in the plastic bag attached to the nipple of the cylinder pipe).
Position the domestic hot water heat pump and align it verti-
cally by adjusting the device feet. Then tighten the counter
nuts on the device feet.
451905.66.02 · FD 9506
www.dimplex.de
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