Air Valve Opens With Operating Signal - Honeywell Krom Schroder PFU 780 Technical Information

Parameters

4 . 7 . 7 Air valve opens with operating signal

04 06
t
SA
PFU 780..L
L1
A
P
VR..R
PFU 780 · Edition 02.12l
88
07 A8
30a
26e
10e
1
28c
16c
V1
26a
1
2c–4c
1
14a
2
18e
V2
18a
2
6a–6e
2
10a
A
22e
2e–4e
t
t
FS
1
SPS
2
PLC
CPE
TZI
VBY
VAG
1
2
Parameter 30 = 3:
The air valve opens simultaneously with the operating
signal.
Application:
Two-stage-controlled main burner is switched ON/OFF
via the ϑ input.
The air valve can be activated externally via input 10a
for cooling the burner in the start-up position/standby.
43