Bộ điều khiển đầu đốt Pyronics E7802 Burner control and flame detector for permanent and not-permanent operation ESA REFLAM-H

Bộ điều khiển đầu đốt Pyronics E7802	Burner control and flame detector for permanent and not-permanent operation	ESA REFLAM-H

Bộ điều khiển đầu đốt Pyronics E7802 Burner control and flame detector for permanent and not-permanent operation ESA REFLAM-H

E7802 Burner control and flame detector for permanent and not-permanent operation ESA REFLAM-H

ESA REFLAM-H is a flame detector or a microprocessor burner control device equipped with inputs and outputs for controlling and signaling the flame presence for multiple-nozzle burners or for all the applications in which it is impossible to directly control the fuel gas.

The instrument makes two voltage free outputs available: one is a status signal contact while the other is a safe flame presence contact for the control of fuel gas which can assume a different behavior depending on the programme and which allows the connection of valves thathave a different voltage compared with ESA REFLAM-H.

¾Flame detector with signalling to remote devices bymeans of digital signals or ECS serial communication.

¾Automatic burner control for multi-nozzle or multiflame burners.

¾Gas and oil burners with any type of capacity, with permanent or non-permanent operation.

¾Burners with electrode, unirod and UV detection (alsocombined).

¾Permanent operation by electrode detenction or byUV scanner and shutter.

¾Package burners with complete ignition cycle control(blower, air regulation valve, pressure switch and air flow switch).

¾Plants with burner control via digital signals or ECS serial communication.

¾Personalized burner control via optional configuration cards.

GENERAL:

¾Voltage supply: 115 Vac or 230 Vac +10 ÷ -15%

¾Frequency supply: 45÷65 Hz

¾Type of supply: phase-neutral,

not appropriate for phase-phase systems

¾Neutral: suitable for ground and

non ground neutral systems

¾No-load absorption: 5 VA max

¾Working temperature (mode 1,3,4): 0÷60 °C

¾Working temperature (mode 2) without expansion:

0÷70 °C

¾Storage temperature: -20÷80 °C

¾Protection degree:IP54 (for wiring use specific glands)

¾Mounting position: any

¾Working environment: not suitable for explosive or

corrosive environments

¾Container: Thermosetting glass fiber

¾Size: 200×120×93 mm

¾Mass: 1.300 g

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INPUTS AND OUTPUTS:
¾Voltage to the flame detection probe: max 300 Vac
¾Minimum ionization current: 2,4 µA ± 0,3 µA
¾Current limits to the probe: 1 mA
¾Flame signal display: 0 ÷ 90 µA
¾Detection probe type: electrode or scanner ESA UV-2
¾Probe line length to electrode or UV-2 detection: < 30 m
¾Insulation between the probe conductors: > 50 MΩ (cables with double insulation or double protection)
¾HV cable length from ignition transformer: maximum 2 m
¾Distance between ignition electrode and burner mass: 3 mm ± 0,5
¾Digital input voltage: the same as the supply voltage
¾Digital input absorption: max 5mA
¾Filter for digital input: RC 100 Ω - 0,47 µF - 250 Vac
¾Digital output and ignition transformer voltage: the same as the supply voltage
¾Maximum current per single output in voltage: 1,5 A (2 A for ignition transformer)
¾Fuel valve output (MODE 1,3,4): free voltage safe SPST contact
¾Maximum current and voltage for fuel valve output (MODE 1,3,4) : 1,5A, 24÷230 Vac, 24÷48 Vdc
¾Flame detected safe output (MODE 2)*: free voltage safe SPDT contact
¾Maximum current and voltage for flame detected output (MODE 2) : 1,5A, 24÷230 Vac, 24÷48 Vdc
¾Status indication output: free voltage SPDT contact
¾Maximum current and voltage for indication output: 1,5A, 24÷230 Vac/Vdc
¾Outputs protection fuse: 3.15A rapid (**) replaceable
¾Flame detected or fuel valve output fuse: 3.15A rapid (**) replaceable
¾Internal relay protection fuse: 4 A not replaceable
¾Instrument protection fuse: 1 A not replaceable
¾Minimum voltage supply to maintain output: 70Vac (version 115Vac) and
140Vac (version 230Vac)
¾EXP-2, EXP-4 and EXP5 expansion card input voltage: 24 Vac/Vdc, 115 Vac, 230 Vac
¾EXP-2, EXP-4 and EXP5 expansion card input absorption: max 5mA
¾EXP-2, EXP-4 and EXP5 expansion card output voltage: the same as the supply voltage
¾EXP-2, EXP-4 and EXP5 expansion card output maximum current: 2A (not protected by internal fuse)
* NC contact safety output available only in mode 2
** On request it is possible to implement a fast fuse 4A.
PARAMETERS:
¾Purging or waiting time before ignition: 0 ÷ 99 sec or 2 ÷ 20 min
¾1st gas stage safety time*: 1 ÷ 25 sec
¾Regulation delay time*: 0 ÷ 25 sec
¾Reaction time*: 1 ÷ 20 sec
¾Shut off purging or waiting time: 0 ÷ 99 sec or 2 ÷ 4 min
¾Accepted remote unlocks: max 5 in 15 minutes
¾Flame sensor check on permanent operation: in 1 hour
¾Auto shut down for test with non permanent operation: in 24 hours
¾Behaviour at flame loss: configurable
¾1st gas stage burner functioning: configurable
¾Air valve functioning: configurable

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E3280 Blast pilots PBC & PBST
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E3501 Long flame burners “Nozzle Mix” NM
E3502 Excess air burnes XNM
E3503 OUT OF PRODUCTION -Flat flame burners SW
E3504 Red-eye gas burners RE
E3505 OUT OF PRODUCTION – Hot shot high velocity burners HS
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E3507 Staged Air High velocity LOW NOx burners EMB-SIK-NxT
E3509 Double air high speed burners with SiC flame tube EMB-SIK-DA
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E3610 Dual fuel burners XDF
E3611 Dual fuel burners EXDF
E3615 Gas oil burners 12XDF
E3700 LOW NOx Air-Oxygen-fuel burner AGO-NxT
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E3900 Staged Radiant tube burners RT
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E3901FN Self-recuperative burners high speed free flame REKO-SIK-NxT-FF
E3901RN Self-recuperative burners Low NOx for radiant tubes REKO-SIK-NxT-RT
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E7802 Burner control and flame detector for permanent and not-permanent operation ESA REFLAM-H

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