73
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
Summary of Contents for BG 550i M
Page 31: ...32 Bentone I I J G G G H 172 615 56 2018 08 10 ...
Page 63: ...63 Bentone 13 2 Wiring diagram 172 615 84 1 2021 05 19 2 ...
Page 64: ...64 Bentone 13 3 Wiring diagram RWF 50 3 172 615 84 1 2021 05 19 3 ...
Page 65: ...65 Bentone 13 4 Wiring diagram RWF 50 2 172 615 84 1 2021 05 19 4 ...
Page 66: ...66 Bentone 13 5 Wiring diagram Jumo 316 172 615 84 1 2021 05 19 5 ...
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Page 148: ...Enertech AB P O Box 309 SE 341 26 Ljungby www bentone com ...