APPENDIX - COMPONENTS CHARACTERISTICS
24
Key - internal diagram
AL
Block signal
AR
Main relay with "ar" contacts
BR
Block relay with "br" contacts
BV
Fuel valve
Dbr1 U bolt
EK
Unblocking button
FE
Detection electrode
FR
Flame relay with "fr" contacts
GP
Gas pressostat
HS
Main selector
L
Phase conductor
L1
Block light (blinking)
LP
Air pressostat
M
Fan motor
MS
Synchronous motor
N
Neutral conductor
R
Thermostat or pressostat
W
Safety thermostat or pressostat
Z
Ignition transformer
Key - programmer's diagram
A
start-up (command from regulator “R”)
B
burner operation
C
program start position (start up)
tw
waiting time
t1
preventilation time
TSA safety time
t3
pre-ignition time
t4
interval of time BV1-BV2 or BV1-LR
t10
waiting time for confirmation of air pressure
t11
air damper movement time to open position
t12
air damper movement time to close position
t20
travel time for auto-return of the programmer
T
programmer's total time
I.IX
contacts of programmer's cams
LGB21
LGB22
