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42
Overview of settings
AUTOMATIC FIRING DEVICE UltraGas
®
(70,90)
P
arameter
Description
Unit
Le
vel
Plant settings
30-UG (70)
30-UG (90)
1
2AA Blocking temperature
°C
OEM
90
90
2
2AC Maximum setpoint
°C
BE
80
80
3
2AD Switch-off hysteresis via setpoint
°C
OEM
5
5
4
2AE Switching difference to switch-off point
°C
HF
10
10
5
2AF Proportional range
°C
OEM
10
10
6
2AG Integral part
sec
OEM
180
180
7
2AH Differential part
sec
OEM
10
10
8
2AI
Setpoint for bus interrupt
°C
HF
75
75
9
2AJ
Maximum temperature rise for low flow temperature
°C/s
OEM
1
1
10 2AK Maximum temperature rise for high flow temperature
°C/s
OEM
0.5
0.5
11
2AL “low” flow temperature
°C
OEM
60
60
12 2AM “high” flow temperature
°C
OEM
80
80
13 2BC Flue gas temperature lock
°C
OEM
110
110
14 2BD Flue gas temperature block
°C
OEM
100
100
15 2CA Gas pressure switch available
OEM
ON
ON
16 2DA Hydrau. pressure sensor available
OEM
ON
ON
17 2DB Pressure warning
bar
OEM
1
1
18 2DC Pressure warning hysteresis
bar
OEM
0.2
0.2
19 2DD Blocking pressure min
bar
OEM
0.5
0.5
20 2DE Blocking pressure min - hysteresis
bar
OEM
0.2
0.2
21 2DF Blocking pressure max
bar
OEM
2.8
2.8
22 2DG Blocking pressure max - hysteresis
bar
OEM
0.2
0.2
23 2DH Lock-out pressure max
bar
OEM
3
3
24
2DI
Max boiler output for pressure warning
%
OEM
50
50
25 2EC Ionisation warning
µA
OEM
3
3
26
2FA
Number of Hall pulses per rotation
OEM
2
2
27
2FF Fan speed first phase pre-vent
min
–1
OEM
5200 6200
28 2FG Start rpm
min
–1
OEM
2100 2500
29 2FH Maximum fan speed
min
–1
OEM
5200 6200
30
2FI
Minimum fan speed
min
–1
OEM
1200 1300
31
2FJ
Fan ramp-up during purge
min
–1
/s OEM
500
500
32 2FK Fan ramp-down during purge
min
–1
/s OEM
200
200
33
2FL
Fan ramp-up during operation
min
–1
/s OEM
100
100
34 2FM Fan ramp-down during operation
min
–1
/s OEM
100
100
35 2FN Fan follow-on time after a lock-out
sec
OEM
180
180
36 2FO Fan speed after shut-down during normal operation or lock-out
min
–1
OEM
1200 1300
37 2FR Fan follow-on time after operation or block
min
OEM
3
3
38 2FU Fan speed for boiler operation in frost protection mode
min
–1
OEM
1500 1500
39 2GA Waiting period after opening of main gas valve or activation of boiler room fan
min
OEM
0
0
40 2GB External main gas valve / boiler room fan available
OEM
ON
ON
41 2HA Follow-on time for heating pump or shut-off device after heat demand
min
HF
5
5
42 2HD Summer operation (“summer kick”)
sec
OEM
10
10