BCU 480 · Edition 06.07
60
Technical data
10
Mains voltage:
230 V AC, -15/+10%, 50/60 Hz,
115 V AC, -15/+10%, 50/60 Hz,
for grounded and ungrounded mains.
Voltage to inputs and valves = mains voltage.
Signal and control line: max. 2.5 mm
2
(AWG 14).
Cable for burner earth/PE wire: 4 mm
2
(AWG 12).
Input voltage of signal inputs:
Rated value
115 V AC
230 V AC
Signal “1”
80 – 126,5
160 – 253
Signal “0”
0 – 20
0 – 40
Frequency
50/60 Hz
50/60 Hz
Inherent current:
Signal “1”
typ. 2 mA
Power consumption: approx. 9 VA plus inherent consumption
of the ignition transformer [50/60 Hz].
Power consumption of ignition transformer:
Type
230 V AC
input
115 V AC
input
Output
TZI 5-15/100
0,45 (0,35)* A
0,9 (0,7)* A
5 KV
15 (11)* mA
TZI 7-25/20
1,1 (0,8)* A
2,2 (1,6)* A
7 KV
25 (18)* mA
TZI 7,5-20/33
0,9 (0,7)* A
1,8 (1,35)* A
7,5 KV
20 (15)* mA
TZI 7,5-12/100
0,6 (0,45)* A
1,2 (0,9)* A
7,5 KV
12 (9)* mA
* Values in brackets apply to 60 Hz.
Output current: max. 2 A per output, but total current for valves
and ignition transformer max. 2.5 A.
Operation and fault signalling contacts:
dry contact, max. 2 A, 264 V, not fused internally.
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