Honeywell BCU 370 - Pilot Burner and Tightness Control

BCU 370 · Edition 01.19 7
VG
VG
IC 20
BVA
GIK
L1
V1 V2
45
DG
min
9 3
VG..L
V3
632
23
21
24
13
17
18
19
20
25
BCU 370..D3
DL
DL
7
DG
M
22
DG
11
DG
p
u
/2
UVS
29 3130
26
28
90° ➔ 0 0 ➔ 90°
Application
1.1.3 Modulating-controlled forced
draught burner with pilot burner
and tightness control
A pilot burner ignites the main burn-
er and is switched off during the
main burner’s safety time.
Parameter 27 = 0: V2 is “OFF”, i.e. in-
terrupted pilot burner, during burner
operation.