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E7014

14

Standby

ILLEGAL FLAME PRESENCE
The scheme describes the ESA ESTRO actions in case of illegal flame signal before burner ignition or
after shutoff.

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Содержание ESA E7014

Страница 1: ...nstallation on burner proximity provided the environment temperature will remain below 60 C APPLICATIONS One or two stages pilot and main discontinuous burners Flame detection by means of rod unirod a...

Страница 2: ...nt per output signals total 4 A per 10 sec min Load protection fuse 4 A fast Device protection fuse 1 A non replaceable Supply Voltage expansion card EXP 2 and EXP 4 24 Vac 115 Vac 230 Vac Power Absor...

Страница 3: ...f the air valve operation ESA ESTRO B two stages burners 1st pilot 2nd main The configuration software sets the operation of the pilot burner 1st stage gas in continuous or discontinuous mode ESA ESTR...

Страница 4: ...tly provided with ECS serial communication interface in order to allow the remote burner control through ECS or Modbus RTU protocols The serial communication allows the complete control of the combust...

Страница 5: ...ing composition ready to seat the ignition transformer and the output wires for external connections Dedicated Expansion cards can be connected to each release of ESA ESTRO in order to implement addit...

Страница 6: ...298 as certificate I7800 issued by notify body 0694 ESA ESTRO is in accordance to European Union directives Directive on appliances burning gaseous fuels 90 396 CEE Machine directive 2006 42 CEE Low v...

Страница 7: ...own with expansion cards in case the parameter Air damper is configured as Local o Remote FIXED Purge or waiting time before burner ignition For applications with controlled cooling slope only the air...

Страница 8: ...utton during the normal operation stage The device holds the burner in OFF mode waiting for a new start signal BLINKING Lockout due to a signal of illegal flame presence before the burner ignition or...

Страница 9: ...uld be related to an electrical connection interruption to the failure of one of the ignition devices or to a protection fuse failure BLINKING Lockout due to a malfunction of the flame detection probe...

Страница 10: ...to be sent back to the manufacturer for inspection FIXED Malfunction due to short circuit of the microprocessors pins In order to reset the alarm cut off the electrical supply to the device for few s...

Страница 11: ...utton operation according its application s requirement see chapter Configuration The push button may execute the manual operations of unlocking and shutoff only manual unlocking only manual shutoff a...

Страница 12: ...nd oil fired burners in different modes according the process parameters set see chapter Configuration Hereinafter its main actions are described BURNER IGNITION CYCLE The scheme describes the burner...

Страница 13: ...cycle execution when ESA ESTRO is in standard version without the EXP 2 expansion card OPERATION AT POWER SUPPLY The followings scheme describe the ESA ESTRO actions at power supply according the conf...

Страница 14: ...E7014 14 Standby ILLEGAL FLAME PRESENCE The scheme describes the ESA ESTRO actions in case of illegal flame signal before burner ignition or after shutoff...

Страница 15: ...the actions in case of failed ignition attempt at 1st gas stage FLAME SIGNAL LOST The scheme describes the actions in case of flame signal lost during the normal operation stage and in case of settin...

Страница 16: ...Address Node 0 9 and A Z capital Address Segment identifies the device for serial communication Adopting ECS protocol defoines the device unity inside a zone or belonging group Adopting Modbus RTU def...

Страница 17: ...eeded This setting is allowed only for ESTRO B release the parameter is locked for ESTRO A ESTRO C and ESTRO Q only 1st stage gas Daily shut off Inhibited The device doesn t turn OFF automatically eac...

Страница 18: ...lled Enable The device controls the installed expansion cards this setting is required in case EXP 2 and EXP 4 are installed Behavior Action at flame loss Lockout In case the signal of flame presence...

Страница 19: ...t disabled it leads the burner shutoff Air valve on off The digital input controls the air valve as alternative to the serial commands with active input and 1st stage gas ON the device allows air valv...

Страница 20: ...EXP 2 Postpurge flex Inhibited The device starts the Post purge time countdown from the burner shutoff or lockout Enable The device starts the Post purge time countdown from the burner ignition Lo str...

Страница 21: ...pecific norm in order to define the proper parameters related to each industrial application adopting values that don t compromise the process safety In case the setting parameters are not in complian...

Страница 22: ...than how indicated otherwise the ignition transformer must be located near the burner The HV cable must be laid far from power supply cables and not in metallic conduit the best is the cable free in a...

Страница 23: ...id gas valve by other devices relay PLC that receive the signal by the ESA ESTRO don t are permitted In case of noises during the ignition phase due to the presence of others electrical equipments it...

Страница 24: ...IPTION L Power supply phase 6 Air valve neutral N Power supply neutral 7 Ignition transformer phase 1 Lockout signal output phase 8 Ignition transformer neutral 2 Digital input phase 9 Detection rod s...

Страница 25: ...ockout signal output phase 6 2nd stage gas valve neutral B Digital input phase 7 Ignition transformer phase 1 Power supply phase 8 Ignition transformer neutral 2 Power supply neutral 9 Detection rod s...

Страница 26: ...signal output phase 6 Burner ON free contact output NO B Digital input phase 7 Ignition transformer phase 1 Power supply phase 8 Ignition transformer neutral 2 Power supply neutral 9 Detection rod sig...

Страница 27: ...N 1st stage gas valve neutral N Power supply neutral T Ignition transformer phase Not connected N Ignition transformer neutral Positive input for serial communication F Detection rod signal from trans...

Страница 28: ...ch input phase 12 Negative input for serial communication 19 Air damper limit switch inputs common neutral 13 Temperature regulation enabling output phase 20 Thermostat start stop input phase 14 Air d...

Страница 29: ...formed holes No 6 11 POS DESCRIPTION A Attacchi per fissaggio trasformatore C Available Non utilizzato D Available Non utilizzato E E Available Non utilizzato F Terminal grounding G G fixing holes for...

Страница 30: ...Pre wiring Esa Trafo coupled box With expansion Exp 3 C High temperature function R 4 minute 4M from 0 to 99 seconds Enable F Reaction time at flame loss 5 10 Version Daily check shout off Comunicatio...

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