Display channels
Channel
Description
COL1
x
Temperature collector 1
TST
x
Temperature store
COL2
x
Temperature collector 2
S4
x
Temperature sensor 4
TSTT
x*
Temperature store top
TFL
x*
Temperature flow sensor
TR
x*
Temperature return sensor
VFD
x*
Temperature Grundfos Direct Sensor™
L/h
x*
Flow rate Grundfos Direct Sensor™ / PWM feedback signal
L/h2
x*
PWM feedback signal
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 / R2
DT F
x
Switch-off temperature difference R1 / R2
DT S
x
Set temperature difference R1 / R2
RIS
x
Rise R1 / R2
PUM1
x
Pump control type R1
n1MN
x
Minimum speed R1
n1MX
x
Maximum speed
PFB1
x*
PWM feedback signal input 1
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
PFB2
x*
PWM feedback signal input 2
EM1
x
Collector emergency temperature 1
EM2
x
Collector emergency temperature 2
OCC1
x
Collector cooling option collector 1
CMX1
x*
Maximum collector temperature 1
32
R1
Connection terminal
Page
S1
51
S2
51
S3
51
S4
51
S4
51
S4 / VFD
51
S4 / VFD
51
VFD
51
VFD / PWM1
52
PWM2
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R1
52
R2
52
R1
53
R2
53
-
52
-
52
-
53
Factory setting
Page
7
54
6.0 K [12.0 °Ra]
54
4.0 K [8.0 °Ra]
54
10.0 K [20.0 °Ra]
54
2 K [4 °Ra]
55
PSOL
55
30 %
55
100 %
55
OFF
56
60 °C [140 °F]
54
OFF
54
PSOL
55
30 %
55
100 %
55
OFF
56
130 °C [270 °F]
54
130 °C [270 °F]
55
OFF
57
110 °C [230 °F]
57
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