
Reset
Fig.
15
2.8
How to Drain Hot Water Storage Cylinder
Isolate mains water supply at stop valve on Inlet
C
ontrol Group and close
-turn valve (handle at 90° to valve body) on
double chec
k
valve - see Fig.
1
4.
Fit a hosepipe to the tail of the drain valve (secure with “Jubilee” clip), and run open end to a low level where water
can be safely drained.
Open nearest tap(s) fully (to allow air to enter cylinder) before opening the drain valve above hose.
Note:
The lower
the open end of the hose, the faster will be the draining effect.
When refilling: chec
k
that the secondary expansion vessel pre-charge pressure is between 2.
5
to 2.
7
bar and allow
water to flow freely before closing tap(s).
2.9 Control Panel, Displays & Diagnostics
The boiler control fitted to
P
romax Store has been designed to provide safe, reliable and economical operation of the
boiler - see Fig.
15
for a guide to the control panel.
Fault finding, during both commissioning and subsequent maintenance is much simplified by the clear display of
loc
k
out and error codes which appear in the Status/Error
C
ode Display. What the codes represent and the remedial
actions required are explained on
P
age 4
7
.
Full details of how to set up and use the programmer are in the Users Instructions.
Selector Switch
Display
C
entral Heating
Temperature
C
ontrol
Domestic Hot Water
Temperature
C
ontrol
2
8
© Baxi Heating UK Ltd 2015