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Electric connections
For the safety valve connection refer to the drawing provided by the burner manufacturer
Key
for the entire catalogue
a
Limit switch commutation contact for
air shutter OPEN position
AL
Remote signal of lock-out stop (alarm)
AR
Main relay (operating relay) with “ar…” contacts
AS
Equipment fuse
BR
Lock-out relay with “br…” contacts
V...
Fuel valve
bv...
Control contact for
gas valve CLOSED position
d…
Remote control switch or relay
EK...
Looking button
FE
Ionization current probe electrode
FR
Flame relay with «fr» contacts
GP
Gas pressure switch
H
Main switch
L1
Fault warning light
L3
“Ready for operation” signal
LK
Air gate
LP
Air pressure switch
LR
Power regulator
m
Auxiliary switch contact for air gate
MIN position
M...
Fan or burner motor
NTC
NTC Resistor
qRA... UV probe
R
Thermostat or pressure switch
RV
Fuel valve with continuous regulation
S
Fuse
SA
Air gate servomotor
SB
Safety limiter (temperature, pressure, etc.)
SM
Programmer synchronous motor
v
In the case of servomotor: auxiliary contact for
consensus to fuel valve according to
the air gate position
V
Flame signal amplifier
W
Safety pressure switch or thermostat
z
In the case of servomotor: limit switch contact
for air gate CLOSED position
Z
Ignition transformer
ZBV
Fuel valve of pilot burner
•
Valid for blown air burners with 1 tube
••
Valid for pilot burners with intermittent operation
(1)
Input for operating voltage increase
for UV probe (probe test)
(2)
Input for flame relay forced excitation
during operation test of the flame supervision
circuit (contact XIV) and during
t2 safety time (contact IV)
³)
Do not press EK for more than 10 s.
Summary of Contents for GI MIST 1000 DSPGM
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