20
T-Product · BCU 465 · 2006 April
Order information
BCU
burner control unit
4 series 400
65 extended air valve control
T T-product
-5
-10
safety period for start-up of the pilot: 5 seconds
safety period for start-up of the pilot: 10 seconds
/2 flame failure response time: 2 seconds
L air valve control
5
15
25
low fire delay time: 5 seconds
low fire delay time: 15 seconds
low fire delay time: 25 seconds
R 115 V AC, 50/60 Hz, for grounded and ungrounded mains
1
2
3
8
ignition transformer TZI 5-15/100
ignition transformer TZI 7-25/20
ignition transformer TZI 7,5-12/100
ignition transformer TZI 7,5-20/33
D2
D3
1400 °F Auto ignition bypass digital input, shut down+restart
1400 °F Auto ignition bypass digital input, operation resumes
O
C
Proof-of-closure (POC) Control Input
Additional terminals
Z Special version on request
See also Ignition Transformer rating
s
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