
51/138
Siemens
User Manual
CE1U2353en
Building Technologies
QAA75.. / QAA78… / AVS37..
2014-07-30
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6818 F History
10
-
F Error code 10
-
0
255
-
Maintenance / special operation
7044
F Maintenance
interval
- - -
- - -
/ 1
240
Months
7045
F Time since maintenance
0
0
240
Months
7119
4)
F Economy
function
Locked ¦ released
Locked
-
7120
4)
E Economy
mode
Off ¦ On
Off
-
7140 E
manual operation
Off ¦ On
Off
-
7150
I Simulation
outside temperature
-
-50.0
50
°C
7170 I Telephone
customer
service
-
Input / output test
7700
I Relay
test
No test ¦ Everything off ¦ DHW pump Q3 ¦ Heating circuit
pump Q2 ¦ Heating circ mix valve op Y1 ¦ Heat circ mix
valve cl Y2 ¦ Relay output QX1
4)
¦ Relay output QX21
module 1 ¦ Relay output QX22 module 1 ¦ Relay output
QX23 module 1 ¦ Relay output QX21 module 2 ¦ Relay
output QX22 module 2 ¦ Relay output QX23 module 2
No test
-
7730
I
Outside temp B9
-
-50.0
50
°C
7732
I
Flow temp B1
-
0.0
140
°C
7750
4)
I
DHW temp B3
-
0.0
140
°C
7820
4)
I
Sensor temp BX1
-
-28.0
350
°C
7821
4)
I
Sensor temp BX2
-
-28.0
350
°C
7830
4)
I
Sensor temp BX21 module 1
0
-28
350
°C
7831
4)
I
Sensor temp BX22 module 1
0
-28
350
°C
7832
4)
I
Sensor temp BX21 module 2
0
-28
350
°C
7833
4)
I
Sensor temp BX22 module 2
0
-28
350
°C
7840
I
Voltage signal H1
-
0
10
Volt
7841
I
Contact state H1
Open ¦ Closed
-
-
7845 I Voltage
signal
H2
0
0
10
Volt
7846
I
Contact state H2
Open ¦ Closed
-
-
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
-
-
8004
I
State of cooling circuit 1
-
-
8007
4)
I State of solar
-
-
Diagnostics, heat generation
8510
4)
I Collector temp 1
-
-28.0
350
°C
8511
4)
I
Collector temp 1 max
0
-28.0
350
°C
8512
4)
I
Collector temp 1 min
0
-28.0
350
°C
8513
4)
I dT collector 1/DHW
-
-168.0
350
°C
8519
4)
I Solar flow temp
0
-28.0
350
°C
8520
4)
I Solar return
temp
0
-28.0
350
°C