Robur G 30, Installation, Use And Maintenance Manual

Page: 51 / 64

Normal operation
Installation, use and maintenance manual – Next-G
51
6
5 times, after the appropriate purge time. If the flame
does not ignite anyway, the control unit locks the ap-
pliance and light the fault indicator lamp (B) on the
control (Figure 6.1 p. 51).
5. In case of flame locking, press the reset button (A).
After a long period of unit inactivity or at the first
start-up, it may be necessary to repeat the ignition
operation due to the presence of air in the gas
piping.
Figure 6.1
1-key basic control
A Reset button
B
Fault indicator lamp
B
A
6.2.3.2
Space heating shutdown
1. Switch off space heating request by opening the
"HEAT." contact using the provided control device
(thermostat, chronothermostat or voltage-free
contact).
2. The burner will shut down, while the fans will contin-
ue to operate until the appliance has cooled down
completely.
In case of prolonged periods of inactivity, see
Paragraph 7.5 p. 55.
6.2.4
OCDS016 2-keys basic control and possible
external request
6.2.4.1 Space heating activation
1. Set the summer/winter selector switch (A) in the win-
ter position (Figure 6.2 p. 51).
2. If there is an external request connected to the
OCDS016 2-key basic control, activate it via the pro-
vided control device (thermostat, chronothermostat
or voltage-free contact).
3. After the purge time (around 30 seconds), the gas so-
lenoid valve opens and the burner ignites.
4. When the flame is detected, the control box keeps the
gas valve open.
5. Otherwise, the control unit will try the ignition again
5 times, after the appropriate purge time. If the flame
does not ignite anyway, the control unit locks the ap-
pliance and light the fault indicator lamp (C) on the
control (Figure 6.2 p. 51).
6. In case of flame locking, press the reset button (B).
After a long period of unit inactivity or at the first
start-up, it may be necessary to repeat the ignition
operation due to the presence of air in the gas
piping.
Figure 6.2
2-keys basic control
A Summer/Winter/Off switch ( position for heating operation;
position for summer operation, ventilation only; no button pressed,
off position)
B Reset button
C Fault indicator lamp
C
B
A
6.2.4.2 Space heating shutdown
1. Press the winter button again so that neither of
the two summer/winter buttons is pressed (Figure
6.2 p. 51) or, if there is an external request connect-
ed to the OCDS016 2-key basic control, deactivate the
heating request via the provided control (thermostat,
chronothermostat or voltage-free contact).
2. The burner will shut down, while the fans will contin-
ue to operate until the appliance has cooled down
completely.
In case of prolonged periods of inactivity, see
Paragraph 7.5 p. 55.
6.2.4.3 Ventilation activation (summer mode)
1. Close the gas valve and check power supply availabil-
ity to the unit.
2. Set the summer/winter selector switch (A) in the sum-
mer position (Figure 6.2 p. 51). This way the fan
only will start.
3. To stop the fan, press the summer button again so
that neither summer nor winter button is pressed.
It is recommended that the heating request is de-
activated during the summer season by means of
the provided control device (thermostat, chrono-
thermostat or voltage-free contact), if any.
6.2.5
OTRG005 thermoregulator
Refer to the instructions in the relevant manual.
6.2.6
OCDS008 digital chronothermostat
Refer to the instructions in the relevant manual.