Viessmann 7513244, Инструкция по установке и обслуживанию

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1. Prepare the heating water connections.
Thoroughly flush the heating system.
Note
Should an additional expansion vessel be required
on site, connect this vessel in the heating return.
2. Prepare the connections on the DHW side. Install
the safety assembly (accessory or on-site provi-
sion) 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
temperatures.
Note
Never
connect the safety valve drain line to hose
N
. Never change the position of hose
N
(used for
ventilation).
3. Prepare the solar connections.
>200
O
N
Fig. 11
N
Siphon ventilation
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 diagram on page 18.
■
Drain towards the side aperture:
See position
L in diagram on page 18.
5. Prepare the gas connection according to TRGI or
TRF [or local regulations].
6. Prepare the electrical connections.
■
Power cable: NYM-J 3 x 1.5 mm
2
, max. fuse rat-
ing 16 A, 230 V/50 Hz.
■ Accessory cables: NYM with the required number
of cores for external connections.
■ Allow all cables in area
M
in the diagram on
page 18 to protrude 2000 mm from the wall.
Preparing for installation
Installation preparations
(cont.)
5773 238 GB
Installation