4
Grant Vortex Eco Utility Oil Boilers
2 - USER INSTRUCTIONS
The boiler is fully automatic once switched on, providing
central heating (and also heating your domestic hot water
if you have a hot water cylinder fitted).
A 'mains on' neon, see Fig. A, lights when the boiler is
switched on, but does not necessarily indicate the burner
is firing.
If your system includes a programmer, the boiler will
provide hot water and central heating during the
periods set on the programmer.
To gain acces to the controls, pull the front panel
forward at the top to disengage the fixing clips then lift
it up and off the boiler. To replace locate the bottom of
the panel over the fixing tags then push it towards the
boiler to engage the fixing clips.
Fig. A Boiler controls
About your boiler
2.1
Boiler controls (see Fig. A)
2.2
1 Ensure that - There is sufficient fuel, of the correct
type, in the supply tank and all fuel supply valves are
open. The water supply is on. The electricity supply
to the boiler is off. The boiler On/Off switch is set to
OFF. The room thermostat (if fitted) is at the desired
setting. The boiler thermostat is set to the required
setting (see Section 2.7).
2 Switch on the electricity supply to the boiler.
3 Set the On/Off switch to ON and, if fitted, the
programmer (CH or HW) to ON.
The boiler will now light automatically.
4 If you have a programmer fitted in your system, refer
to the instructions supplied with the programmer and
set the programmer. Set the HW and CH functions to
TIMED. The boiler will now operate during the 'on'
periods set on the programmer.
Lighting your boiler (see Fig. A)
2.3
Boiler
thermostat
Overheat
thermostat
reset button
(under cover)
On/Off
switch
OVERHEA
T
RESET
HEATING
TEMPERATURE
OVERHEAT
RESET
BOILER
OFF
ON
HEATING
TEMPERATURE
ON
BOILER
OFF
Lock-out
button
Front panel removed
(pull forward at top, then lift off)
Front panel
fixing clips
Front panel bottom locating tags
G
R
A
N
T
Mains On
neon
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