GB-14
D
GB
F
NL
I
E
Checking the safety functions and
burner operation
WARNING
If these checks are not carried out, the gas valves
might remain open allowing non-combusted gas
to escape. Risk of explosion!
Safety functions
Switch off the heater during operation. Press
ON/OFF
OFF
1
2
3
4
5
AUTO
+ AUT
MODE
(RESET)
ON/OFF
O
.
▷
The flame goes out < 1 s.
▷
The fan cools the heater down until it reaches
switch-off temperature.
Remove the valve plug on the combination con-
trol during operation.
▷
The gas valves close < 1 s.
▷
The flame goes out.
▷
The burner control unit BCU displays the fault
message “The flame has gone out during opera-
tion”. LEDs 2 and 4 flash.
▷
If a restart has been programmed, the burner
control unit will initially attempt to restart and will
then perform a fault lock-out. LED 4 flashes and
displays the fault message “No flame has been
detected during the safety time”.
Shut off the inlet pressure during operation.
▷
The pressure switch in the combination control
switches because the supply pressure is too low.
▷
The burner control unit performs a safety shut-
down: the gas valves are disconnected from the
electrical power supply.
▷
The flame goes out.
▷
The burner control unit BCU displays the fault
message “Supply pressure too low”. LED 1
flashes.
▷
If the burner control unit responds in a different
way to that described, a fault has occurred, see
page 9 (Assistance in the event of malfunction).
CAUTION
The fault must be remedied before the system may
be operated.
Checking burner operation
Switch on the BCU.
Select the Heating
OFF
1
2
3
4
5
AUTO
+ AUT
MODE
(RESET)
ON/OFF
O
operating mode.
Allow the burner to burn for 15 minutes.
4
During this time, monitor the flame pattern.
▷
The flame must be blue.
▷
No dirt particles must come out of the heater.
Accessories
Room thermostat
Use a room thermostat with a hysteresis of ± 1°C,
230 V, Type TH 215.
35
30
25
20
15
10
5
0
°
C
TH215
Order No.: N50260145
Pressure reducer
Pressure reducer for LPG.
RECA 1.5 bar to 50 mbar, 2 x ½" internal thread
connection, 10 kg/h, Order No.: N52600023.
Manual valve
2 x ½" internal thread connection,
Order No.: N50260019.
½" internal and external thread connection,
Order No.: N50260027.
