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sing the control panel keys (
and
the same time for 5 seconds.
The red LED flashes and the display shows:
Scroll the parameters using
To enter the fuel configuration paramater
PAR 01, use
or
.
The set value flashes and if the boiler in
question is a 30/55 BF with methane, the
display shows:
For the 30/55 BF boiler to function with
LPG, press
until 04 appears.
Confirm this value using
or
Exit the parameters section by pressing
The table below gives the values to set
1
2
when the supply gas is changed:
) at
BOILER
GAS
METHANE
BF
(G20)
LPG
(G30/G31) 30/55
or
.
-
4.3.2
Adjusting valve pressure (fig. 20)
Set maximum and minimum pressure on
gas valves as follows (fig. 20):
– Connect the column or a manometer to
the intake downstream of the gas valve.
– Disconnect the valve VENT pressure test
point tube (5 fig. 18).
– Remove the cap (1) from the modulator.
.
– Press the keys (
.
time for a few seconds and completely
open the hot sanitary water faucet.
3
MODELS
PAR 1
25/55
01
30/55
02
25/55
03
04
-
-
05
-
06
-
-
07
-
08
and
) at the same
KEY
1 Plastic tap
2 Minimum pressure adjusting nut
3 Maximum pressure adjusting nut
– Press the key
(Hi).
– Remember that rotating clockwise will
increase pressure while rotating anti-
clockwise will diminish it.
– Adjust maximum pressure using the nut
(3) with a wrench to the maximum pres-
sure value indicated in Table 4.
– Adjust the maximum pressure before
adjusting the minimum.
– Press the key
(Lo) while the sanitary
water tap is on, with the water running.
– Lock t he nut (3) in place, tur n t he
screw/nut (2) to the minimum pressu-
re indicated in Table 4.
– Press the keys (
and
) while kee-
ping the hot sanitary water running all
the time, and check that the maximum
and minimum pressures correspond to
the set values; if necessary correct the
regulation.
– Press the key
again to quit the func-
tion.
– Put the pipe back on the valve VENT
pressure test point.
– Remove the manometer, remembering
to tighten the screw for closing the pres-
sure test point.
– Put the plastic cap (1) back on the modu-
ES
PT
ENG
Fig. 20
79
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