Checking The Safety Functions And Burner; Accessories; Room Thermostat - ermaf GP 14 ACU Betriebsanleitung

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!
OFF 1
2
AUTO
3
Safety functions
4
5
+ AUT O
1 Switch off the heater during operation. Press
ON/OFF MODE
(RESET)
ON/OFF .
▷ The flame goes out < 1 s.
▷ The fan cools the heater down until it reaches
switch-off temperature.
2 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 ACU displays the warn-
ing message "The flame has gone out during
operation". Error code F. and 2 flash alternately.
▷ If a restart has been programmed, the burner
control unit will initially attempt to restart and
will then perform a fault lock-out. Error code F.
and 1 flash and indicate the fault message "No
flame has been detected during the safety time".
3 Shut off the inlet pressure during operation.
▷ The gas valves close < 1 s.
▷ The flame goes out.
▷ The burner control unit ACU displays the warn-
ing message "The flame has gone out during
operation". Error code F. and 2 flash alternately.
▷ If a restart has been programmed, the burner
control unit will initially attempt to restart and
will then perform a fault lock-out. Error code F.
and 1 flash and indicate the fault message "No
flame has been detected during the safety time"
▷ If the burner control unit responds in a different
way to that described, a fault has occurred, see
page 12 (Assistance in the event of malfunc-
tion).
CAUTION
The fault must be remedied before the system may
be operated.
Checking burner operation
AUTO
1 Switch on the ACU.
2 Select operating mode 2
3 Allow the burner to burn for 15 minutes.
4 During this time, monitor the flame pattern.
▷ The flame must be blue.
+ AUT
▷ No dirt particles must come out of the heater.
ON/OFF
GP_14_ACU_NF.indd 20
OFF 1
2
3
Heating.
4
5
O
MODE
(RESET)
GB-20

Accessories

Room thermostat

Use a room thermostat with a hysteresis of ± 1°C,
230 V, Type TH 215.
1 5
1 0
5
0
°C
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.: N52600019.
½" internal and external thread connection,
Order No.: N52600027.
2 0
2 5
3 0
3 5
11.09.20 20:55