20020956
10
GB
HEAD ASSEMBLY REMOVING,
(see fig. 8, page 9)
To remove the head assembly, carry out the following operations:
Remove the head-older assembly (1), after taking away the screws (7), disconnect the connections (3 and 5),
extract the small tube (4) and loose the screws (10).
Do not modify the setting position of the bracket-elbow during the disassembly.
REASSEMBLY OF THE HEAD SYSTEM,
(see fig. 8, page 9)
Warning
During the reassembly of the system, tighten the screws (7) completely
(without locking them)
;
then lock them with a torque wrench setting of 3 - 4 Nm.
Control that, during the working, there are not gas losses coming from the screws.
If casually the pressure test point (11) looses, fix correctly and be sure that the hole (F), placed in the
external side of the head-assembly (1) turns towards the lower part.
4.3
AIR DAMPER SETTING
,
(see fig. 8, page 9)
Do not carry out the first ignition with the air damper lower than set point 1.
The air damper leaves the factory set for minimum output.
To vary the setting proceed as follows:
Loosen the nut (9) and the screws (8).
When the burner shuts down the air damper closes automatically until a max. chimney depression of 0.5
mbar is reached.
4.4
PROBE - ELECTRODE POSITIONING,
(see fig. 9)
WARNING
ELECTRODE
CUP
Lean the probe insulator against the cup
D4020
31
±
0,3
PROBE
PLATE
Fig. 9
ATTENTION
Verify that the plate (1) is always inserted in the
flattening of the electrode (2).
3,5
±
0,3
2
1
Summary of Contents for RS5
Page 9: ...20020956 8 I Fig 7 CN1 T6A ...
Page 25: ...20020956 8 GB Fig 7 CN1 T6A ...
