Appendix
0020237057_01 Installation instructions
31
A.17
aroTHERM and gas-fired condensing boiler (eBUS), heat pump cascade option
Cylinder
Equipment
Heating cir-
cuits
Setting for
System
diagram
VR 70
VR 71
Buffer cylinder
Domestic hot water cylinder downstream
of low loss header/buffer cylinder
Buffer cylinder charging using the system
controller
1 direct
1 mixed
16
1
allSTOR
buffer cylinder
Domestic hot water cylinder downstream
of low loss header/buffer cylinder
Buffer cylinder charging using the system
controller
1 direct
1 mixed
16
3
Buffer cylinder
Domestic hot water cylinder downstream
of low loss header/buffer cylinder
Buffer cylinder charging using the system
controller
3 mixed
16
3
allSTOR
buffer cylinder
3 mixed
16
6
B
Overview of the setting options
B.1
Installer level
Setting level
Values
Unit
Increment, select
Default setting
Min.
Max.
Installer level
→
Enter code
000
999
1
000
Installer level
→
Service information
→
Enter contact details
→
Phone number
1
12
Numbers
0 to 9, blank spaces, hyphen
Installer
1
12
Figures
A to Z, 0 to 9, space
Installer level
→
Service information
→
Service date
→
Next service on
Date
Installer level
→
System configuration
→
System
----
Fault status
Current value*
Water pressure
Current value
bar
System status
Current value
Standby
,
Heat. mode
,
Cooling
,
DHW
Frost protect. delay
0
12
h
1
4
OT constant heating
off
, -25
10
℃
1
off
Control modules
Display
Software version
Adaptive heat. curve
Current value
Yes
,
No
No
Configure heat. circ.
All
,
Zone
Zone
Automatic cooling
Yes
,
No
No
Start OT cooling
10
30
℃
1
21
Source regeneration
Yes
,
No
No
Current room air hum.
Current value
%
Current dew point
Current value
℃
Hybrid manager
triVAI
,
Biv. point
Biv. point
Heat. bivalence point
-30
20
℃
1
0
DHW bivalence point
-20
20
℃
1
-7
* If no fault is present, the status is
No fault
. If there is a fault,
Fault list
appears and you can read the fault message in the "Fault mes-
sages" section.