baltur COMIST 36 Instrucciones página 65

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Electrical connections
The burner manufacturer's diagram is valid for the relief valve connections.
LEGEND
For the entire catalogue sheet
a
Limit switch commutation contact for air damper
OPEN position
AL
Remote signalling of lock-out stop (alarm)
AR
Main relay (operating relay) with "ar..." contacts
AS
Appliance fuse
BR
Lock-out relay with "br..." contacts
BV
Fuel valve
bv...
Control contact for gas valve CLOSED position
d...
Remote control switch or relay
EK...
Lock-out push-button
FE
Ionization current probe electrode
FR
Flame relay with "fr..." contacts
GP
Gas pressure switch
H
Main switch
L1
Fault indicator light
L3
Ready for operation indicator
LK
Air damper
LP
Air pressure switch
LR
Power regulator
m
Auxiliary commutation contact for air damper
MIN position
M...
Motor fan or burner
NTC
NTC resistor
QRA.. UV probe
R
Thermostat or pressure probe
RV
Fuel valve with continuous regulation
S
Fuse
SA
Air damper servomotor
SB
Safety limiter (temperature, pressure, etc.)
SM
Programmer synchronous motor
v
In the case of servomotor: auxiliary contact for con-
sensus for fuel valve depending on air damper posi-
tion
V
Flame signal amplifier
W
Thermostat or safety pressure switch
z
In the case of servomotor: limit switch commutation
contact for air damper CLOSED position
Z
Ignition transformer
ZBV
Pilot burner fuel valve
·
Valid for forced draught burners, with obe tube
··
Valid for pilot burners with intermittent operation
(1)
Input for increasing operating voltage for UV probe
(probe test)
(2)
Input for forced energizing of flame relay during fun-
ctional test of flame supervision circuit (contact XIV)
and during safety time t (contact IV)
3
)
Do not press EK for more than 10 seconds
65 / 139
0006080093_00709

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