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Installat
ion and User Instructions R01127
-
2 06
/11
Page 30
Operation
10.2 Operation
Once the system has been fully
commissioned, no user intervention
should be required to fully enjoy the
comfort and benefits of the unvented
hot water cylinder.
The hot water temperature can be set
to various requirements. It is
recommended to set the indirect hot
water temperature to between 45°C
and 55°C (this is between 2 and 3 on
the dial, please refer to Figure 14 for
approximate settings). Higher
temperatures can cause tripping of
the high limit thermostat, introduce
more heat loss from the unit and
increase the risk of scalding
significantly.
When turning on a hot tap for the first
time after a heat up period there
might be a short surge of water. This
is normal in unvented systems and
does not constitute a fault. Sometimes
the water may appear milky – this is
due to very fine air bubbles in the
water which will clear quickly.
10.2.1 Water temperature
direct electric heating
Before removing the cover
from the immersion heater
isolate appliance using
isolating switch! Danger of
electrical shock! Only use
suitable electrically insulated
equipment when working
inside immersion housing.
The hot water temperature achieved
by the direct electric heating element
can be adjusted by removing the
cover from the immersion heater and
adjusting the dial up or down as
indicated in Figure 13.
Figure 13: Adjustment water temperature direct electric heating element
Dial to adjust water
temperature
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