7
INSTALLATION
Connection to the electrical net
See diagram no 5 / 5.1
The boiler can be built for either 400V 3 phase or 230V single phase
connection.
Check boiler data plate for electrical connection.
In Denmark the installation must be made by an authorised electrician. Here too
we ask you to check your local regulations
Electrical supply for the stoker plant:
There should be a specific switch for this plant only
Electrical supply for the internal circulation pump:
The internal circulation pump (placed under the burner tube) is to be connected
to cable no. W7
The pump must not be started before filled with water, as this might damage it.
Setting of the internal circulation pump:
The pump must be set to run in a fixed step. It must not run in Auto mode!
Boiler Pump
step
M20i I
M40i I
M80i II
Extended auger channel
If you request an extended auger channel, we supply the control as a separate
unit to be fitted on the wall above the auger channel, in the boiler room.
Check cable length before you decide where to place the control
Connection of start – stop signal for external auger:
(Only for plants provided with automatic fill in)
See diagram no 6
The motor protection relay (contact) for the external auger must be supplied
with a start – stop signal from the controlling unit of the plant, which is placed in
a plastic box at the side of the fuel valve, on top of the fuel store.
