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53
Parameters technician (green screen)
Param Mode
Parameter chapter
PARA
factory setting
Description
Range
P252
2
Slope heating line (K-factor)
0,1 - 9,9
P256
2
Hysteresis Summer/Winter in °C (if T4 was detected)
0-10
P266
2
Switch on delay at heat demand in minutes
0-10
P267
168
Boiler sequence for boilers in cascade in hours
1-255
P283
1
Frost protection
0-1
0: T10 and P3 not active
1: T10 and P3 active
P284
0
Switch on temperature frost protection in °C
-40 - 20
Boiler param
Boiler parameters
P100
0
Domestic hot water facility (visible when boiler address is 2 - 8)
0-4
0: no DHW
1: Solo boiler with 3-way valve
2: n.a.
3: Solo boiler with cylinder loading pump P4 and 3-way valve
4: n.a.
P102
0
Cascade flue gas system
0-3
0: Flue gas system individual or collective under pressure
1: N.a.
2: Flue gas system collective over pressure
3 N.a.
P108
0
Kind of gas
0-1
0: natural gas
1: propane gas. P121=0: External LPG valve opens at heat demand.
2: propane gas. P121=0: External LPG valve opens at burner start.
P122
0
DHW temperature sensor T3
0-1
0: autodetect
1: connected
P123
30
Switching time 3-way valve in seconds
0-255
P125
1
DHW priority
0-1
0: No
1: Yes
P132
1
Pump continuously
1-2
1:Unit pump P1
2 Unit pump P1 and installation pump P3
P154
100%
Maximum load CH
0-100
P155
100%
Maximum load DHW
0-100
P160
100%
Maximum pump capacity (only with modulating circulation pump)
30-100
P179
1
Overrun time cylinder pump P2/P4 in minutes (if P100 > 1)
0-60
P181
5
Minimum cool down DHW temperature in °C (if P100 > 0)
0-15
P182
1
Load adjustment due to temperature fall DHW in °C/10sec. (if P100 > 0)
0-10
P183
65
DHW Anti legionella temperature (if P100<>0 and P122=1) in °C
10-80
P184
7
DHW Anti legionella service timer (if P100<>0 and P122=1) in days
1-30
P185
03:00
DHW Anti legionella time of day (if P100<>0 and P122=1)
0:00-23:50
P190
80
Flow temperature T10 at DHW in °C (using cylinder thermostat) (if P100 > 0)
10-90
P801
0%
Local altitude compensation and flue length
0-15%
BurnerA parameter
Burner A parameters
When the boiler has 2 heat exchangers Burner B will follow with the same parameters
P953
OSS4: 65%
OSS2: 80%
Minimum pwm-level pump (only with modulating pump).
43-100%
Service chapter
Service chapters
Choose burner AB, A or B after selecting one of the functions using arrow buttons. Exchanger symbol will show: AB, A or B
AB-A-B
Throttle
0
Manually burner control.
Press OK, then + and - button to increase/decrease the value (0=off, 1%=low load untill 100%=full load)
0-100
Airflush
0
Manually fan control
Press OK, then + and - button to increase/decrease the value
0-100
Pumpspeed.
43
Minimum pump speed (only with modulating circulation pump)
43-100%
3-way valve / P2
CH
Manually control of the 3-way valve for DHW. Only for boilers with DHW via 3-way valve
CH-DHW
Pump P3
off
Manually control of the system pump P3. (Only when pump is off). When 'On' pump symbol will be displayed
on-off
Pump P4
off
Manually control of the DHW pump P4
on-off
LPG
off
Manually control of LPG valve (Volt-free)
on-off
Fault
off
Manually control of fault relay for external error signal (Volt-free)
on-off
Heat demand
off
Manually control of heat demand relay for external display heat demand (Volt-free)
on-off
Boiler on-off
off
Manually control of external heating source. On-off contact for control external heating source (not visible in case of LPG)
on-off
Boiler address
Adjusting/changing boiler address
01-08
Reset Counters
Reset of counters after maintenance interval
Info
Information