Display channels
Channel
Description
COL
x
Temperature collector
TSTB
x
Temperature store 1 base
TSTT
x
Temperature store 1 top
S4
x
Temperature sensor 4
TFL
x*
Temperature flow sensor
TR
x*
Temperature return sensor
VFD
x*
Temperature Grundfos Direct Sensor™
L/h
x*
Flow rate Grundfos Direct Sensor™
n %
x
Speed relay
hP1
x
Operating hours R1
hP2
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
PUM1
x
Pump control type
nMN
x
Minimum speed R1
nMX
x
Maximum speed
DT1O
x
Switch-on temperature difference R1
DT1F
x
Switch-off temperature difference R1
DT1S
x
Set temperature difference R1
RIS1
x
Rise R1
S1MX
x
Maximum store temperature 1
DT2O
x
Switch-on temperature difference R2
DT2F
x
Switch-off temperature difference R2
DT2S
x
Set temperature difference R2
RIS2
x
Rise R2
S2MX
x
Maximum store temperature 2
EM
x
Collector emergency temperature
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
R1
R1
Connection terminal
Page
S1
53
S2
53
S3
53
S4
53
S1 / S4 / VFD
53
53
S4 / VFD
53
VFD
54
VFD
R1
54
R1
55
R2
55
-
54
-
54
-
55
Factory setting
Page
4
55
PSOL
57
30 %
57
100 %
57
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
60 °C [140 °F]
56
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
60 °C [140 °F]
56
130 °C [270 °F]
56
OFF
58
110 °C [230 °F]
58
OFF
59
20.0 K [40.0 °Ra]
59
15.0 K [30.0 °Ra]
59
25