Boiler Components - Grant Vortex Pro Internal Combi Series Installation And Servicing Instructions

1.4

BOiLER COMpOnEntS

All burners are pre-set for use with kerosene and are supplied
ready to connect to a single pipe fuel supply system with a loose
flexible fuel line and 3/8ʺ to 1/4ʺ BSP male adaptor supplied with
the boiler.
If required, an additional flexible fuel line (600 mm) and 3/8" to
1/4" BSP male adaptor are available to purchase from Grant UK,
for two-pipe oil supply systems (Grant product code: RBS104).
The temperature of the water leaving the boiler to heat the
radiators is user adjustable.
The setting of the boiler thermostat on the Vortex Pro Combi
boilers has no affect on the hot water performance.
figure 1-1: Boiler components (model shown: Vortex Pro Combi 26)
Plug-in
Boiler
programmer
On / Off
position
switch
(if fitted)
Heating Hot water
switch switch
figure 1-2: Vortex Pro Combi boiler control panel
Section 1: introduction
Expansion vessel
Condensate trap
Burner lock-out button
Hot water pump
Indicator lights Pressure gauge
Boiler
Over heat
thermostat
reset
(under
black cap)
The boiler is fitted with an overheat thermostat (which allows
it to be used on a sealed central heating system) which will
automatically switch off the boiler if the heat exchanger exceeds a
pre-set temperature of 110°C ± 3°C.
Figure 1-1 shows the components in the Vortex Pro Combi boilers
and the position of the control panel.
Figure 1-2 shows the details of the control panel.
The control panel is fitted with an ON/OFF switch, heating switch,
hot water switch, indicator lights, boiler (heating), pressure gauge
and manual reset for the overheat thermostat.
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