Table of Contents
Advertisement
Supplied by HeatingSpares247.com
Using a 4mm allen key adjust clockwise:
to increase the CO
to decrease the CO
4mm allen key. (Natural Gas 9%, LPG
10%)
After adjustment, insert the brass screw and
re-set the potentiometers as follows P7, P2 &
P4 to 4
Figure 43
Feedback
silicone pipe
Zero adjustment
socket (4mm allen
key)
Inlet gas pressure
testpoint
31
18.13 Expansion vessel
Drain the boiler's hydraulic circuit as
detailed in 18.2.
Disconnect the pipe coupling on the
expansion vessel (figure 44).
Remove the side panels (figure 25).
Remove the securing bracket. (figure 45)
Lift the pressure vessel out of boiler from
the gap over the chasis and fit the
replacement vessel to the boiler in reverse
setting, anticlockwise:
2
setting by means of a
2
Figure 44
order of removal ensuring the sealing washer
is fitted to the pipe connection before
tightening. (Replace the washer if required)
Using a pressure sensor, check that the
expansion vessel charge pressure is 0·5bar
(7·5psi) re-charge if necessary.
Open the isolating valves on the flow and
return connections, refill, vent and pressurise
the boiler ensuring all joints are sound.
18.14 Overheat safety thermostat
Remove the front panel. (figure 23)
Locate
the
overheat
upstream of the three way valve (figure 46)..
Disconnect the electrical connections from the
thermostat.
Remove the thermostat from the pipe being
careful not to damage the retaining clip.
Fit the replacement thermostat in reverse order
to removal.
Figure 46
Page 31
solaris 24PC, 30PC
Figure 45
safety
thermostat
Hide quick links:
Advertisement
Table of Contents
