53
3. On a double boiler installation, fit
the second 5-way plug from the
double hopper into the top left
rear of the second boiler. Ensure it
is fully pushed home.
Item number 1 needs to be
repeated for double hopper/
second boiler.
4. Fit the two 7-way plugs (No.1 and
No.2) from the boiler control panel
into the two lower connections on
the left side of the burner. These
plugs are male and female and
cannot be fitted into the wrong
connections. Refer to Figure 8-4.
Ensure that both plugs are fully
pushed home until the small catch
on each of them clicks into place.
5. Fit the 6-way plug (No.3) from the
pellet feed auger motor into the
upper connection on the left side of
the burner. Refer to Figure 8-4.
Ensure that the plug is fully pushed
home until the small catch it clicks
into place.
6. If a bulk pellet store is to be used,
connect the 6-way plug to the
corresponding connection on the
flying lead from either the Grant
SpiraVac system or Grant bulk
pellet store auger. Ensure that the
plug and socket are fully pushed
together until the small catch clicks
into place.
Refer to instructions supplied with
either the Grant SpiraVac or
Grant bulk store auger for further
details.
8.3 Boiler/Hopper Plug
Connections
Before making any electrical
connections to the hopper (by
connecting the 4-way plug and socket
together) ensure that all the plug
connections have been correctly made
between the hopper, boiler and (if
fitted) the bulk pellet supply system, as
follows:
1. Fit the 5-way plug from the flue fan
and solenoid valve into the socket
at the top right rear of the boiler.
See Figure 8-2. Ensure it is fully
pushed home.
2. Fit the 5-way plug from the hopper
into the socket at the top left rear of
the boiler. See Figure 8-3. Ensure it
is fully pushed home.
Figure 8-2:
Flue fan/solenoid valve
plug connection
Figure 8-3
: Hopper plug connection
Figure 8-4:
Auger plug connection
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