Operating Principle - baltur COMIST 180 Manual De Instrucciones

MAINTENANCE
At the end of the heating season, it is good practice to clean the gas
and light oil filters, the combustion head (disk, insulators, nozzles),
the combustion air passages and the photoelectric cell (UV).
It is advisable to use wooden or plastic instruments to clean the
nozzle passages.
Nozzle should be replaced after 12 months' use.
UV CELL
If flame detection is carried out with the UV cell, the following should
be taken into consideration.
Even the slightest greasiness will compromise the passage of the ul-
traviolet rays through the UV photoelectric cell bulb, thus preventing
the sensitive internal element from receiving the quantity of radiation
E
necessary for it to function properly. Should the bulb be fouled by
light oil, fuel oil, etc., it is indispensable to clean it thoroughly.
N
It should be pointed out that even by simply touching the bulb with
the fingers, it is possible to leave a slight greasiness which could
G
compromise the working of the UV photoelectric cell. The UV cell
L
does not "see" daylight or light from an ordinary lamp. It is possible
to verify its sensibility with a flame (or cigarette lighter or a candle) or
I
with the electric spark that occurs between electrodes in an ordinary
ignition transformer.
S
To ensure that the UV cell works properly, its current value should
be sufficiently stable so as not to fall below the minimum value
H
required for the specific control box. It may be necessary to search
experimentally for the best position by sliding (axial or rotation
movement) the body that contains the photoelectric cell in respect
to the fastening clamp. An inspection can be carried out by inserting
a micro-ammeter, with an adequate scale, in series to one of the two
UV photoelectric cell connection wires. It is obviously necessary to
respect the polarity (+ e -).
INSTRUCTIONS FOR SETTING DUNGS GAS VAL-
VES mod. ZRDLE

OPERATING PRINCIPLE

This valve has two open positions and is equipped with a regulator.
The regulator sets the hydraulic brake activation point which, in
turn, causes rapid release of the opening first stage. After the initial
release, the brake cuts in, ensuring that the valve continues to open
slowly. This valve is also equipped with two gas flow regulators: one
for the first flame and the other for the second.
Setting the initial rapid release trip
To set the initial rapid release trip, unscrew the protection cap "F" and
use the back of the cap as a tool to turn pin "G". Turning clockwise
decreases the gas flow, turning counter-clockwise increases it.
This done, screw down cap "F in its original position.
Setting gas flow for the 1
Before setting the gas flow for the 1
"D" (unpainted screw with raised cylindrical head). After the gas flow
has been set, remember to tighten this screw once more.
flame
st
and 2 flames, loosen screw
st nd
N.B. To open to the 1
ring "L" counter-clockwise by at least one full turn. To set the
gas flow for the 1
decreases gas flow, turning it counter-clockwise increases
it. Full travel of regulator "E" for the 1
approximately 3
the gas flow to the 1
the total available when the valve is fully open in the second
position.
Setting gas flow for the 2
Loosen screw "D" (unpainted screw with raised cylindrical head).
To set the gas flow for the 2
decreases gas flow, turning it counter clockwise increases it.
This done, tighten screw "D". Full travel for regulator "L" for the 2
flame, from + to -, is approximately 5
H = Identification plate
I = Flow direction indicator
N
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0006080095_200902
flame position, turn the 2nd flame regulation
st
flame, turn knob "E": turning it clockwise
st
flame, from + to -, is
st
/ turns. When this regulator is fully open,
1
2
flame can be approximately 40% of
st
flame
nd
flame, turn ring "L": turning it clockwise
nd
/ turns.
1
2
Detail of terminal block
Neutral
1 Position
st
2 Position
nd
L1 L2
nd