
55
Operating
line
User level Function
Default value
Min
Max
Unit
7840
I
Voltage signal H1
-
0
10
Volt
7841 I
Contact state H1
Open ¦ Closed
- -
7845
I
Voltage signal H2
0
0
10
°C
7846 I
Contact state H2
Open ¦ Closed
- -
7854 (***) I
Voltage signal H3
0
0
10
Volt
7855 (***) I
Contact state H3
Open ¦ Closed
-
7870
I
Burner fault S3 0V ¦ 230V
-
-
7881 I
1. 1st burner stage E1
0V ¦ 230V
-
7912 (***) I
Input EX2
0V ¦ 230V
-
State
8000
I
State of heating circuit 1
-
-
8001
I
State of heating circuit 2
-
-
8002
I
State heating circuit P
-
-
8003
I
State of DHW
-
-
8005
I
State of boiler
-
-
8007
I
State of solar
-
-
8008
I
State solid fuel boiler
-
8010
I
State buffer storage tank
-
8011
I
State swimming pool
-
Diagnostics cascade
8100
through
8130
I
Priority source 1…16
8101
through
8131
I
State source 1...16
Missing ¦ Faulty ¦ Manual control active
¦ Heat generation lock active ¦ Chimney
sweep funct active ¦ Separate DHW
circuit active ¦ Ouside temp limit active ¦
Not released ¦ Released
8138
I
Cascade flow temp
0
0
140
°C
8139
I
Cascade flow temp setpoint
0
0
140
°C
8140
I
Cascade return temp
0
0
140
°C
8141
I
Cascade return temp setp
0
0
140
°C
8150
I
Source seq ch’over current
0
0
990
h
Diagnostics, heat generation
8300 I
1. 1st burner stage T2
Off ¦ On
- -
8301 (***) I
2. 2nd burner stage
Off ¦ On
- -
8308 (***) F
Boiler pump speed
0
0
100
%
8310 I
Boiler
temperature
-
0.0 140.0 °C
8311 I
Boiler
setpoint
-
0.0 140.0 °C
8312
I
Boiler switching point
0
0
140
°C
8314
I
Boiler return temp
-
0.0
140.0
°C
8315
I
Boiler return temp setpoint
0
0
140
°C
E
=End user
I
=Commissioning
F
=Heating engineer
O
=OEM
BZ
=Operating line
(*) QAA75../78.. only, (**) RIELLOtech CLIMA COMFORT only, (***) RIELLOtech CLIMA TOP only.