Two-Stage-Controlled Burner - Honeywell krom schroeder IFD 258 Manual

L1, N, PE
BMS
4
µC
11 10
GIK..B
VAS
VR..R
IFD 258 · Edition 03.12l
3
IFD 258
8
9
13
14
5
BIO/
BIC
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1 .1 .2 Two-stage-controlled burner

Control: ON/OFF or ON/HIGH/LOW/OFF
The burner BIO/BIC starts at low-fire rate. Once the
normal operating state is reached, the automatic burn-
er control unit for continuous operation IFD 258 will
release control.
The PLC can now pulse the air solenoid valve VR..R in
order to control the capacity between high and low fire.
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