5
Green system
Standard external high level/vertical
flue starter kit - components available:
• External starter kit, straight or
elbow
• Extensions 150 mm, 250 mm, 450
mm, 950 mm
• Adjustable extension 195 to 270
mm
• 45° elbow
• High level terminal
• Vertical terminal
1.3 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
3/8” to 1/4” 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 (product code: RBS35 and
RBS36).
The temperature of the water leaving
the boiler to heat the radiators and hot
water cylinder is user adjustable.
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 111°C ± 3°C.
The boiler control panel is fitted with
an ON/OFF switch, boiler thermostat
control knob and the manual reset
button for the overheat thermostat.
An optional indoor programmer is
available to purchase from Grant
UK which allows the User to set the
operating times for central heating and
hot water (product code: EPKIT).
To access the controls remove the
front panel by turning the handle at
the bottom and withdrawing the cover
forwards at the bottom.
Figure 1-1: Boiler controls for external modules
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