Technical Data - Honeywell krom schroeder IFD 258 Manual

9Technical data

Mains voltage for grounded and ungrounded mains: 200
V AC, -15/+10%, 50/60 Hz,
120 V AC, -15/+10%, 50/60 Hz,
100 V AC, -15/+10%, 50/60 Hz,
230 V AC, -15/+10%, 50/60 Hz.
Safety time on start-up t
SA
time during operation t
SB
time t : approx. 2, 3 or 6 s.
Z
Power consumption: IFD
258: approx. 9 VA,
IFD 258..I: approx. 9 VA + 25 VA during ignition.
Output voltage for valves and ignition transformer = mains
voltage.
Contact rating:
ignition output: max. 2 A, cos  = 0.2, valve
output: max. 1 A, cos  = 1, signalling
contacts: max. 2 A, 253 V AC,
max. number of operating cycles: 250,000.
Max. number of operating cycles: reset
button: 1000,
mains button: 1000.
Signal inputs:
Input voltage
Signal "1"
Signal "0"
Frequency
IFD 258 · Edition 03.12l
: 3, 5 or 10 s. Safety
: < 1 s, < 2 s. Ignition
100/120 V AC 200/230 V AC
80 – 132 V 160 – 253 V
0 – 20 V 0 – 40 V
50/60 Hz
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Input current signal inputs: signal "1": typ. 2 mA. Flame
control:
sensor voltage: approx. 230 V AC, length
of sensor cable:
max. 75 m for ionization control,
max. 100 m for UV control, sensor
current: > 2 µA,
switch-off threshold can be adjusted between 2 and 20 µA,
max. sensor current for ionization control < 25 µA.
Permissible UV sensors:
Elster Kromschröder models UVS 1, 5, 6 and 10 for am- bient
temperatures from -40 to +80°C (-40 to 176°F).
Valve connections: 1.
IFD 258..I: ignition voltage: 22 kVpp,
ignition current: 25 mA,
spark gap: ≤ 2 mm.
Ignition cable:
IFD 258: max. 5 m, recommended < 1 m (with TZI/TGI), IFD
258..I: max. 1 m, recommended < 0.7 m.
Fuse in unit: F1: T 3.15A H 250 V pursuant to IEC 127- 2/5.
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