19
2.
Prepare the connections on the DHW
side. Install the safety assembly
(accessory or on-site provision) in the
cold water line in accordance with
DIN 1988 and EN 806 (see
page 20).
Recommendation:
Install the safety valve above the
DHW cylinder to protect it against
contamination, scaling and high tem-
peratures.
3.
Prepare the solar connections.
>200
O
N
N
Drain for DHW safety valve and/or
siphon air vent valve
O
Condensate drain hose
4.
Prepare the condensate connection
to the on-site drain line or siphon:
■ Drain towards the back:
See dimensions for condensate
hose
O
and position
K
in the dia-
gram on page 17.
■ Drain towards the side aperture:
See position
L
in diagram on
page 17.
5.
Prepare the gas connection accord-
ing to TRGI or TRF [or local regula-
tions].
6.
Prepare the electrical connections.
■ Power cable: NYM-J 3 x 1.5 mm
2
,
max. fuse rating 16 A,
230 V/50 Hz.
■ Accessory cables: NYM with the
required number of cores for the
external connections.
■ Allow all cables in area
M
in the
diagram on page 18 to protrude
2000 mm from the wall.
Preparing for installation
Preparing the installation
(cont.)
5773 238 GB
Installation
Summary of Contents for B2UA
Page 10: ...10 13 14 15 Preparing for installation Preparing the installation cont 5773 238 GB ...
Page 11: ...11 16 Preparing for installation Preparing the installation cont 5773 238 GB Installation ...
Page 12: ...12 sF 17 19 21 20 18 Preparing for installation Preparing the installation cont 5773 238 GB ...
Page 14: ...14 27 26 25 Preparing for installation Preparing the installation cont 5773 238 GB ...
Page 41: ...41 2x 1 4 2 3 5 Installation sequence Fitting the front panels 5773 238 GB Installation ...
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