Grant Spira 5-18, Инструкция для пользователя, по установке и обслуживанию

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1.4 Boiler Components
1.4.1 Burner. The burner is supplied
factory-fitted to the boiler. All burners are
supplied with factory default settings.
During commissioning each burner
parameter will need to be checked (see
Section 9), and adjusted if necessary
as the flue length can have a significant
effect on the boiler performance. Refer
to commissioning in Section 10.
The burner is equipped with a self
cleaning device to prevent a build up of
ash and clinker in the burner brazier.
All Spira boilers are fitted with a flame
viewing window, located on the right
hand side of the front combustion
chamber door, just above the burner.
The burner output is determined by the
feed / pause times of the pellet feed
auger supplying the burner. See Section
9 for full burner operation details.
1.4.2 Boiler. The Spira condensing
boiler is supplied with a combined
primary and secondary heat-exchanger.
Both heat exchangers are equipped
with a self cleaning system.
1.4.3 Boiler controls. The set-point
temperature of the boiler is user
adjustable via two push buttons on the
burner control panel - see Section 9.4
for details.
The boiler control panel (see Figure 1-2)
is located at the top of the boiler and is
fitted with three controls, as follows:
ON/STAND-BY switch – to switch
off the burner when required, by
interrupting the switched live supply to
the burner. This switch does not isolate
the electrical supply to the burner.
OVERHEAT thermostat - this allows
the boiler to be used on a sealed central
heating system and will automatically
switch off the boiler if the pre-set
temperature of 100°C is exceeded.
CLEANING switch - when pressed
and held in the TEST position, it
allows the cleaning system to be
manually operated and tested. When
released it will automatically return
to the default AUTO position to allow
the boiler cleaning system to perform
automatically. Only operate the cleaning
switch when the boiler is not operating
- when ‘WAIT BOILER THERMOSTAT’ is
showing on the burner display screen.
1.4.4 Boiler Pellet Hoppers. All single
boilers (Spira 5-18, 6-26 and 9-36
models) come with a pellet hopper. Two
sizes of hopper are available for use
with single boilers, as follows:
• 110 kg hopper – for storing a
maximum of 110kg
( ≈ 170 litres) of wood pellets
• 200kg hopper – for storing a
maximum of 200kg
( ≈ 308 litres) of wood pellets.
There are two versions of both the
110kg and 200kg pellet hopper
available for use with a single boiler:
Left hand hopper – to be positioned
on the left hand side of the boiler.
Right hand hopper – to be positioned
on the right hand side of the boiler.
Both hoppers are supplied with a single
1.2m pellet feed auger, to be fitted to
the hopper on site by the installer.
All ‘double boiler’ installations (Spira
11-44, 12-52, 15-62 and 18-72 models)
come with one ‘double’ hopper to feed
both boilers with two 1.2m pellet feed
augers.
This hopper is positioned between the
two boilers and stores a maximum of
140 kg (
≈
215 litres).
All the Grant pellet hoppers are for
indoor use only and must be positioned
in a dry environment.
Hopper contents switch
All hoppers are fitted with a contents
switch. This detects when the level of
pellets in the hopper falls to a pre-set
minimum value. If a bulk store is used,
this triggers the operation of either a
bulk store auger, or vacuum system,
to delivery pellets from the bulk pellet
store.
If no bulk store is used, the contents
switch will stop the burner operating
when the minimum pellet level is
reached or low level warning light.
Topping up the hopper with more
pellets will automatically operate the
contents switch and the burner will
restart (if there is a demand for the
boiler to run).
The minimum quantity of pellets
required to restart the boiler is 20kg for
the single boiler hoppers and 30kg for
the double boiler hoppers.
All boiler pellet hoppers are for
indoor use only and MUST be
positioned in a dry environment free
from dampness. They must be located
on the same floor level as the boiler or
boilers, they are supplying.
All hoppers are mounted on castors
(with the two front castors lockable)
to allow it to be easily moved when
required. Allow sufficient area in front of
the hopper for it to be moved out and
away from the boiler(s) during servicing.
The electrical connections to the
boiler(s) are all made to the 4-way
electrical plug on one of the three
factory-fitted ‘flying leads’ at the rear
of the hopper. Refer to Section 8 for
details.
After the burner has been switched
off (either manually by the switch on
the control panel, or automatically
by the boiler control stat, or the
heating system controls) the
burner needs to burn-down the
remaining pellets in the brazier.
Do not open the front combustion
chamber access door until the
burner display reads “WAIT BOILER
THERMOSTAT”.
!
WARNING
Figure 1-2: Boiler control panel
‘TEST’ does NOT operate the burner
cleaning function, but only that of
the two heat exchangers.
!
NOTE
The hopper type must be specified
when ordering.
!
NOTE