Bentone B 45i A2.2H J/K, Installation And Maintenance Instruction

Page: 42 / 108

42
Bentone
Abbreviations
AL Alarm
FS Flame signal
GM Fan motor contactor
LP Air pressure switch
M Fan motor
P LT Pressure switch for valve proving
Pmax Pressure switch-max
Pmin Pressure switch-min
POC Proof of closure
PV Pilot valve
R Temperature or pressure controller
SB Safety limiter
SK Safety loop
STB Safety limit thermostat
SV Safety valve
WM Water shortage
V1 Fuel valve 1
V2 Fuel valve 2
VP Combustion pressure switch
Z Ignition transformer
Permissible position range
In Standby mode: Actuator is allowed to travel within
the permissible position range, but is
always driven to the home position;
must be in the home position for
phase changes
0°/10%
90°/100% Position as supplied (0°)
Actuator fully open (90°)
Input/output signal 1 (ON)
Input/output signal 0 (OFF)
Input permissible signal 1 (ON) or 0 (OFF)
Symbols
SA Actuator
SA-K Low-fire position of actuator
SA-N Postpurge position of actuator
SA-R Home position of actuator
SA-V Rated load position of actuator
SA-Z Ignition load position of actuator