Viessmann VITODENS 100-W Manual page 27

Montagevorbereitung
Warning: This Appliance must be
earthed. (Failure to provide a satis-
factory earth connection would be a
safety hazard and may also result in
appliance malfunction).
The method of connection to the
mains supply must facilitate com-
plete electrical isolation of the appli-
ance. Either a 3A fused three pin
plug and unswitched shuttered
socket outlet, both complying with
BS 1363, or a 3A fused double pole
switch having a 3 mm contact sepa-
ration in both poles and serving only
the boiler (and its external controls)
may be used.
External Controls
To ensure optimum performance,
Viessmann offer a range of external
controls however the appliance may
be used with any certificated room
thermostat or time clock room ther-
mostat.
Preparations for boiler installation
Unpacking the appliance
The appliance is suppled in 2 pack-
ages. Boiler Pack and Flue Pack (ver-
tical or horizontal ) additional optional
flue items are supplied individually.
Check the availability and contents of
each package before commencing the
installation.
(Fortsetzung)
Montagevorbereitung
27