Troubleshooting 10
0020134823_04 ecoTEC plus Installation and maintenance instructions
31
8
9
10
11
13
5
6
7
12
11
8
10
12
5
6
7
9
13
806/5-5
1006/5-5
1206/5-5
4
4
4.
Connect the gas-air mixture unit
(5)
to the heat ex-
changer
(7)
.
5.
Tighten the screws
(6)
in a cross-wise pattern until the
burner door fits closely and uniformly onto the mating
surfaces.
–
Torque: 10 Nm
6.
Connect the ignition line plug and the ground connec-
tion for the ignition electrodes
(9)
to the ignition trans-
former.
7.
Connect the ionisation line plug to the ionisation elec-
trode
(11)
and connect the ground connection plug to
the earthing lug.
8.
Connect the safety cut-out plug to the upper safety cut-
out
(8)
.
9.
Connect the plugs
(12)
and
(13)
to the fan motor.
10. Connect the plug
(10)
to the gas valve.
11. Connect the gas pipe
(4)
with a new seal to the gas
valve.
Conditions
: Applies for 80 kW
–
Torque: 2 Nm
Conditions
: Applies for 100 kW and 120 kW
–
Torque: 2.8 Nm
Warning.
Risk of poisoning and fire caused by es-
caping gas!
Gas can escape through leaks.
▶
Check the gas tightness at the gas con-
nection using leak detection spray.
12. Open the gas isolator cock on the product.
Conditions
: Applies for 80 kW
2
1
▶
Check that the sealing ring in the air intake pipe
(2)
is
positioned correctly in the seal seat.
▶
Reconnect the air intake pipe to the intake nozzle.
▶
Secure the air intake pipe with the clip
(1)
on the intake
nozzle.
13. Close the electronics box.
14. Install the front casing. (
→
Page 10)
15. Re-establish the connection to the power mains.
9.11
Draining the product
1.
Switch off the product using the on/off button.
2.
Close the service valves of the product.
3.
Start the check programme
P.06
.
4.
Open the drain valves.
9.12
Completing inspection and maintenance
work
Once you have completed all maintenance work:
▶
Check the gas flow pressure. (
→
Page 22)
▶
Check the CO
₂
content and, if necessary, adjust it (air
index setting). (
→
Page 23)
10 Troubleshooting
You can find an overview of the fault codes in the appendix.
Overview of fault codes (
→
Page 42)
