Examples Of Application; Pfa 700 With Pfu 760, Staged On/Off Burner; Control; Pfa 700 With Pfu 760L, Staged High/Low Burner - Honeywell PFA 700 Technical Information

Application

1 .1 Examples of application

1 .1 .1 PFA 700 with PFU 760, staged On/Off burner

control

L1, N, PE
DI P
PLC
The burner can be started with reduced capacity.
A UV sensor monitors the flame signal from the burner.
UV sensor UVD 1 is used for continuous operation, UV
sensor UVS for intermittent operation.
PFA, BGT · Edition 03.11l
BUS
TZI
VAG
VR..R
1 .1 .2 PFA 700 with PFU 760L, staged High/Low
burner control
L1, N, PE
DI P
PLC
The burner starts at low-fire rate. When the operating
state is reached, the PFU 760L advises the control unit.
The PLC can now pulse the air valve in order to control
the burner capacity.
BUS
TZI
GIK..B
VAS..N
VR..R
5