15
en
5
Control parameters and display channels
5.1
Channel overview
Display channels
Channel
Description
Connection terminal Page
INIT
x* ODB initialisation active
-
FLL
x* ODB filling time active
-
STAB
x* ODB stabilisation in progress
-
BOOS
x* Rapid heat-up active
-
DAYS
x* Holiday mode active
-
COL
x Temperature collector
S1
TST
s Temperature store 1 base (backup heating off)
S2
TSTB
x Temperature store 1 base
S2
TSTT
x Temperature store 1 top
S3
TDIS
s* Thermal disinfection temperature
(thermal disinfection)
S3
S3
s Temperature store 1 top (backup heating off)
S3
S4
x Temperature sensor 4
S4
TFL
x* Temperature flow sensor
S1 / S4 / VFD
TR
x* Temperature return sensor
S4 / VFD
VFD
x* Temperature Grundfos Direct Sensor™
VFD
L/h
x* Flow rate Grundfos Direct Sensor™ /
PWM feedback signal
VFD / PWM
n %
x Speed R1
R1
h P1
x Operating hours R1
R1
h P2
x Operating hours R2
R2
kWh
x* Heat quantity in kWh
-
MWh
x* Heat quantity in MWh
-
CDIS
s* Countdown of monitoring period
(thermal disinfection)
-
SDIS
s* Starting time display (thermal disinfection)
-
DDIS
s* Disinfection period display (thermal disinfection) -
TIME
x Time
-
Adjustment channels
Channel
Description
Factory setting
Page
DT O
x Switch-on temperature difference R1
8.0 K [12.0 °Ra]
DT F
x Switch-off temperature difference R1
4.0 K [8.0 °Ra]
DT S
x Set temperature difference R1
10.0 K [20.0 °Ra]
RIS
x Rise R1
2 K [4 °Ra]
PUM
x Pump control type
R1
Puls
nMN
x Minimum speed R1
30 %
nMX
x Maximum speed
R1
100 %
PFB
x* PWM feedback signal
OFF
S MX
x Maximum store temperature
70 °C [160 °F]
OSEM
x Store emergency shutdown option
OFF
EM
x Collector emergency temperature
110 °C [230 °F]
OCC
x Collector cooling option
OFF
CMX
x* Maximum collector temperature
110 °C [230 °F]
OSYC
x System cooling option
OFF
DTCO
x* Switch-on temperature difference cooling
20.0 K [40.0 °Ra]
DTCF
x* Switch-off temperature difference cooling
15.0 K [30.0 °Ra]
OSTC
x Store cooling option
OFF
OHOL
x* Holiday cooling option
OFF
THOL
x* Holiday cooling temperature
40 °C [110 °F]
OCN
x Collector minimum limitation option
OFF
CMN
x* Collector minimum temperature
10 °C [50 °F]
OCF
x Antifreeze option
ON
CFR
x* Antifreeze temperature
4.0 °C [40.0 °F]
OTC
x Tube collector option
OFF
TCST
x* OTC starting time
07:00
TCEN
x* OTC ending time
19:00
TCRU
x* OTC runtime
30 s
TCIN
x* OTC standstill interval
30 min
GFD
x Grundfos Direct Sensor™
OFF
SEN
x* VFD allocation
2
FMAX
x* Maximum flow rate
2.5 l/min
MEDT
x Antifreeze type
0
MED%
x* Antifreeze concentration
45 %