Installation guide

9
Starting up the boiler
Important: Putting the boiler into operation
and starting it up for the fi rst time must be
performed by an authorised service only!
If you wish to start the boiler up after it has
been put into operation, make sure that:
1 the boiler is connected to the electrical
power supply;
2 all stop valves (heating water, hot water,
gas) underneath the boiler are opened;
3 the heating water pressure is lower than
indicated on the pressure gauge – red
adjustable hand (water in boiler must be
cold).
Turn the main switch (Fig. 1, position 7)
to the ON position (I). The boiler is ignited
and heats the hot water in the tank. After
this has been heated, the boiler heats the
water in the heating system – if the heating
water temperature is set and a command
for heating is sent from the regulator.
In the event of a safety boiler shutdown an
error code appears on the control panel
(see “Error codes”, page 8).
Unblock the boiler by pressing the RESET
button (fi g 1, position 6). If the emergency
shutdown recurs after a short time again,
or if the boiler cannot be unblocked by
pressing the RESET button, call an
authorised service organisation.
Shutting the boiler down
The boiler can be shut down for shorter
periods by switching off the main switch.
If the boiler is to remain shut down for a
longer period of time, also remove the
fl exible power cord plug from the socket
and close the gas inlet to the boiler. If
there is no danger of the boiler freezing,
water can be left in the boiler, in the
opposite case it is necessary to discharge
the water from the boiler and from the
system. If the arrangement of the heating
system enables this, upon disassembly of
the boiler discharge water only from the
boiler and leave water in the system so as
to avert danger of corrosion.
Starting up and shutting down boiler
Boiler control
Using the boiler without a room
control unit
When running in this mode, the boiler
maintains the selected heating water
temperature. No room control unit is
connected, the terminals for its connection
must be mutually interconnected (standard
factory setting).
Setting procedure:
• turn the main switch to the ON position;
• set the required heating water
temperature on the control panel.
Using the boiler with a room control
unit
The boiler maintains the selected
heating water temperature. Switching
of the terminals to the room control unit
connection is cancelled and the room
control unit is connected. The boiler is
switched on and off according to the
internal temperature of the room in which
the room control unit is installed. This
room must not have thermostatic valves
installed on heating radiators.
Important: On the control panel it is
necessary to set the heating water
temperature (temperature of the water
in the system), which will be capable of
covering thermal losses of the building
even at low outdoor temperatures.
Note: Use control units recommended and
supplied by the PROTHERM company,
which are designated and tested for the
given type of boiler. In the case of use of
other regulators we do not guarantee the
correct and full functioning of the boiler.