Display channels
Channel
Description
INIT
x*
ODB initialisation active
FLL
x*
ODB filling time active
STAB
x*
ODB stabilisation in progress
COL
x
Temperature collector
TST1
x
Temperature store 1 base
TSTT
x
Temperature store 1 top
TST2
x
Temperature store 2 base
TFL
x*
Temperature flow sensor
TR
x*
Temperature return sensor
VFD
x*
Temperature Grundfos Direct Sensor™
L/h
x*
Flow rate Grundfos Direct Sensor™
n1 %
x
Speed R1
n2 %
x
Speed R2
h P1
x
Operating hours R1
h P2
x
Operating hours R2
kWh
x*
Heat quantity in kWh
MWh
x*
Heat quantity in MWh
TIME
x
Time
Adjustment channels
Channel
Description
Arr
x
System
DT O
x
Switch-on temperature difference R1
DT F
x
Switch-off temperature difference R1
DT S
x
Set temperature difference R1
RIS
x
Rise R1
PUM1
x
Pump control type R1
n1MN
x
Minimum speed R1
n1MX
x
Maximum speed R1
S MX
x
Maximum store temperature
OSEM
x
Store emergency shutdown option
PUM2
x
Pump control type R2
n2MN
x*
Minimum speed R2
n2MX
x*
Maximum speed R2
Collector emergency temperature
EM
x
Collector emergency temperature if ODB is activated:
OCC
x
Collector cooling option
CMX
x*
Maximum collector temperature
OSYC
x
System cooling option
DTCO
x*
Switch-on temperature difference cooling
DTCF
x*
Switch-off temperature difference cooling
14
Connection terminal
Page
-
52
-
52
-
52
S1
53
S2
53
S3
53
S4
53
S1
53
VFD
53
VFD
53
VFD
54
R1
54
R2
54
R1
55
R2
55
-
54
-
54
-
55
Factory setting
Page
2
55
6.0 K [12.0 °Ra]
56
4.0 K [8.0 °Ra]
56
10.0 K [20.0 °Ra]
56
2 K [4 °Ra]
56
PSOL
57
30 %
57
100 %
57
60 °C [140 °F]
57
OFF
58
OnOF
57
30 %
57
100 %
57
130 °C [270 °F]
58
95 °C [200 °F]
58
OFF
58
110 °C [230 °F]
58
OFF
59
20.0 K [40.0 °Ra]
59
15.0 K [30.0 °Ra]
59