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Following figure shows
the recommended minimal distances.
Minimal distances
It is possible to reduce recommended minimal distances, but
the
following requirements must be met:
Power supply connection, located at the left bottom side of boilers must be accessible
Bottom part of boiler must be accessible to allow change of heater
Control panel on bottom side of boiler must be accessible
Basic air circulation must be maintained
3.4.2. Power supply
The boiler is rated as a high
-
power appliance and fixed wiring must be used. Please observe chapter
2.4.
about fuse and conductor requirements. When connecting the appliance to the fixing wiring the
means for disconnection (MCB) must be incorporated in fixed wiring
in accordance with the local
wiring rules.
Note:
In some cases, additional measures must be taken, subject to the requirements of the Local
Authorities.
Note:
In some cases additional measures must be taken, subject to the requirements of the Local
Authorities.
3.5. System requirements
3.5.1. Pipe work
Pipe work that is
not
a forming part of the useful heating surface should be insulated to help prevent
heat loss and
possible freezing, particularly where pipes are run through roof spaces and ventilated
under floor spaces. Draining taps must be located in accessible positions, which permit the draining of
the whole system including the boiler and the hot water system. All capillary joints in all DHW pipe
work must be made with lead free solder.
The house
installation to which this device is
connected must contain an electric differential
pro
t
ection switch (RCCB), which must be protected by
the device itself. Also, the device must be protected
from electrical overload and short circuit by selecting
an element from the table in Chapter 2.4
.
