Display channels
Channel
Description
COL
x
Temperature collector
TST
x
Temperature store
S3
x
Temperature sensor 3
TSTT
x*
Temperature store 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™ / PWM feedback signal
n %
x
Speed relay R1
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
nMN
x
Minimum speed R1
nMX
x
Maximum speed R1
PFB1
x*
PWM feedback signal input 1
S MX
x
Maximum store temperature
OSEM
x
Store emergency shutdown option
EM
x
Collector emergency temperature
CMX
s
Maximum collector temperature
OCN
x
Collector minimum limitation option
CMN
x*
Collector minimum temperature
OCF
x
Antifreeze option
CFR
x*
Antifreeze temperature
OTC
x
Tube collector option
TCST
x*
OTC starting time
TCEN
x*
OTC ending time
44
Connection terminal
Page
S1
51
S2
51
S3
51
S3
51
S4
51
S1 / S4 / VFD
51
S4 / VFD
51
VFD
51
VFD / PWM1
52
R1
52
R1
53
R2
53
-
52
-
52
-
53
Factory setting
Page
10
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
130 °C [270 °F]
54
110 °C [230 °F]
57
OFF
59
10 °C [50 °F]
59
OFF
59
4.0 °C [40.0 °F]
59
OFF
60
07:00
60
19:00
61
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