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
