Commissioning; Filling Domestic Water Circuit; Filling The Heating Circuit - Glow-worm SwiftFlow 125 Instructions For Use Manual

11.1 Filling Domestic Water Circuit

Check that the boiler is isolated from the electrical supply, at the
external isolator.
Fully open the domestic water supply stop cock or valve in the
supply to the boiler.
Open the two domestic water isolation valves, slots in line with the
length of the valve, see diagram 8.1.
Open all hot water draw-off taps and close them when the water
flows. Check for water soundness of the complete domestic water
system.

11.2 Filling the Heating Circuit

REMINDER: It is essential that a bypass is fitted in all installations,
refer to Section 4.7.
Open the two central heating isolating valves, slots in line with the
length of the valve, see diagram 8.1.
Flush, fill and vent the system refer to Section 4.9.
221474C
Supplied By www.heating spares.co Tel. 0161 620 6677
10 Boiler Fixing
SUPPORT
BRACKET
Diagram 10.4

11 Commissioning

WARNING. Several components operate on mains voltage and with
THE OUTER CASE REMOVED THEY BECOME EXPOSED.
To assist in filling and venting, the pump may be used.
IMPORTANT: Make sure that the gas supply is still isolated at this
stage
Turn on the electrical supply, if red lockout neon is lit press reset
switch, wait 15 seconds between attempts, set switch "C" to "ON"
(see diagram 11.1) any remote heating system controls, time
switch and room thermostat, for duty, see diagram 11.1.
Note. If the clock/timer kit is to be fitted, refer to the setting
instructions in the Instructions for Use.
Make sure that the automatic air vent is operating correctly, see
diagram 1.2.
Alternate the position of switch "C" between "ON" and "OFF" to
make sure that water flows through all parts of the boiler and air is
not trapped in the boiler internal bypass.
Pressurise the system until the pressure is 1.5bar (21.5lbf/in
pressure gauge "A", see diagram 11.1.
Check the heating system and boiler for water soundness.
22
SAFETY
VALVE
SEALING
WASHER
PRESSURE
GAUGE
CONNECTION
SECURING
SCREW (2)
PRESSURE GAUGE
PRESSURE
GAUGE
BRACKET
Diagram 10.5
UNION
CONNECTION
DISCHARGE PIPE
'NOTCH'
Diagram 10.6
2
),