Times:
t0
Post-purge lockout position
t78
Post-purge time 3 gas / oil (tn3)
t01 Max. time safety phase
t80
Valve proving evacuate time
t10 Min. time home run
t81
Valve proving time atmospheric pressure
t21 Min. time start release
t82
Valve proving filling time
t22 Fan running time
t83
Valve proving time gas pressure
t30 Pre-purge time part 1
tmn1
Min. time extraneous light test (5 s) after
skipping pre-purge
t34 Pre-purge time part 3
tmx1
Max. damper running time
t36 Min. ON time oil pump
tmx2
Max. time startup release
t38 Pre-ignition time gas/oil
tmx3
Max. time circulation heavy oil
t42 Pre-ignition time OFF
tn
Post-purge time
t44 Interval 1 gas/oil
TSA1 First safety time gas/oil
t62 Max. time low-fire
TSA2 Second safety time gas/oil
t70 Post-combustion time
tv
Pre-purge time gas/oil
t74 Post-purge time 1 gas / oil (tn1)
Abbreviations:
AL
Alarm
PV
Pilot valve
ARF
FGR = flue gas recirculation
R
Temperature or pressure controller ON
(in external)
CPI
Closed Position Indicator
RP
No-load position
DP
Pressure switch
SK
Safety loop (safety limit thermostat, water
shortage)
DW-DK Pressure valve proving
SP
Setpoint position
DWmin
Pressure switch-min
SR
Safety relay internal
DWmax Pressure switch-max
STB Safety limit thermostat
FS
Flame signal
SV
Shutoff valve
GSK
Fan contactor contact
TW
Temperature switch internal
KL
Low-fire position
V1
Fuel valve 1
LK
Air damper
V2
Fuel valve 2
LP
Air pressure switch
V3
Fuel valve 3
M
Fan motor
VL
Pre-purge position
N
Post-purge
Z
Ignition
NL
Post-purge position
ZL
Ignition load position
Symbols:
Signal ON
Signal OFF
Next phase
01
00, repetition = 0
12, repetition > 0
Parameter
NormalDirectstart
Checking with controller ON
Deviation → 10
No repetition decrement
10
70
Without valve proving → 70
With valve proving → 80
62
M4263 2206EN
79 (102)
