Appendix
32
Installation and maintenance instructions geoTHERM 0020250180_00
Setting level
Values
Unit
Increment, select
Default setting
Setting
Min.
Max.
Environm. pump starts
Current value
Cooling mixer steps
Current value
EEV steps
Current value
VUV DHW switchings
Current value
Installer level
→
Test menu
→
Check programmes
→
P.01 Heating mode
Select
P.02 Cooling mode
Select
P.03 Hot water handling
Select
P.05 Purge building circuit
Select
P.06 Purge environment circuit
Select
P.07 Purge building and environ-
ment circuit
Select
Installer level
→
Test menu
→
Sensor/actuator test
→
T.01 Building circuit pump power
0
100
%
5, off
T.14 Env. circuit pump power
0
100
%
5, off
T.15 Cooling mixer position
0
100
%
5
T.33 Position of the electronic
expansion valve
0
100
%
5
T.45 Fault outlet
On, Off
T.48 Circulation pump
On, Off
T.49 Cooling relay active
On, Off
T.79 Flow temperature
−
40.0
150.0
℃
0.1
T.81 Return temperature
−
40.0
150.0
℃
0.1
T.82 Building circuit: Pressure
0
4.5
bar
0.1
T.83 Building circuit: Flow rate
0
1400
l/h
1
T.97 Environment circuit: Inlet
temperature
−
40.0
150.0
℃
0.1
T.98 Environment circuit: Outlet
temperature
−
40.0
150.0
℃
0.1
T.121 Compressor outlet temper-
ature
−
25.0
150.0
℃
0.1
T.122 Compressor inlet temper-
ature
−
40.0
150.0
℃
0.1
T.125 EEV environment circuit
temperature
−
40.0
150.0
℃
0.1
T.126 EEV building circuit tem-
perature
−
40.0
150.0
℃
0.1
T.127 High pressure
0.0
51.0
bar (abs)
0.1
T.128 Condensation temperature
−
52.0
70.0
℃
0.1
T.129 Low pressure
0.0
22.0
bar (abs)
0.1
T.130 Evaporation temperature
−
52.0
70.0
℃
0.1
T.131 Superheating target value
0.0
16.0
K
0.1
T.132 Superheating actual value
0.0
16.0
K
0.1
T.133 Subcooling actual value
0.0
99.0
K
0.1
T.134 High-pressure switch
Open, closed
Closed
T.146 Outside temperature
−
60.0
45.0
℃
0.1
1)
Can only work in conjunction with the VWZ ZK accessory.
2)
Fault lists (section 9.1) are only available, and can only be deleted, if faults have occurred.
