Stage-Controlled Main Burner With Permanent; Pilot Burner - Honeywell Krom Schroder PFU 780 Technical Information

Application
DI
22a 10c 26e
PFU 780
22e 18e 16c
VAG
VR..R
PFU 780 · Edition 02.12l
L1, N, PE
P
DI
SPS
PLC
CPE
P A 1 2
30e 10a 10e 14a
µC
28c 26a 18a
TZI
VBY
1
2
02–04 06–08
The main burner can be started with
2e
4e
2c
1
4c
6a
2
6e
04 06–08 04
1
1
2
2
t
1 .1 .2 Stage-controlled main
burner with permanent pilot
burner
Control: Main burner ON/OFF.
reduced capacity after the operat-
ing signal from the pilot burner has
been detected. Pilot and main burn-
ers can be operated simultaneously.
Both are ionisation-controlled inde-
pendently.
7