Bentone BG 450, Инструкция по установке и обслуживанию

Страница: 25 / 52

25
Bentone
172 525 18 2020-10-16
Adjustment of main valve damper
Adjustment of governor
Flow adjustment
X
b
a
e
d
z: under cap
6.3 Flow adjustment 2-stage design
For pilot flame
Set burner stage-2 in off position
.
Disconnect contact X50
,
Dismount cap X adjust pilot valve V3 for desired start values turn adjustment
screw Z:
to the right = the gas flow is reduced
to the left = the gas flow is increased
Connect contact X50
For stage 1
, loosen the lock screw a. Turn adjustment ring e:
to the right = the gas flow is reduced
to the left = the gas flow is increased
For stage 2
, turn the hydraulic device b:
to the right = the gas flow is reduced
to the left = the gas flow is increased
Do not forget to tighten the lock screw again
.
6.4 Adjustment of pressure governor
Adjust outlet pressure from governor by means of a screw driver. Min. and
max. outlet pressures correspond to appr. 60 turns of the spring. It is not
possible to change pressure springs in order to change the outlet pressure.
Turn to the right = the outlet pressure is increased
Turn to the left = the outlet pressure is reduced
6.5 Adjustment of of main valve
damper
Remove the protective cover c.
Turn the adjustment knob d (use the protective cover as a tool) to the desired
opening speed.
Turn to the right = opening speed is reduced
Turn to the left = opening speed is increased
/3