Viessmann SCU224 Manuel de service Page 12
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
© Viessmann 5443203
| 12
SCU224
R2
S1
S2
R1
S3
S4 / TR
System layout 3
The controller calculates the temperature difference bet-
ween collector sensor S1 and tank sensor S2. If the diffe-
rence is larger than or identical to the adjusted switch-on
temperature difference (DT O), the solar pump will be
operated by relay 1, and the tank will be loaded until the
switch-off temperature difference (DT F) or the maximum
tank temperature (S MX) is reached.
Sensor S3 is used for a thermostatic function, which ope-
Arr 3
Display Channels
Channel Description Terminal Page
INIT
x*
ODB initialization active - 37
FLL
x*
ODB filling time active - 37
STAB
x*
ODB stabilization in progress - 37
COL x Temperature collector S1 37
TSTB x Temperature tank 1 bottom S2 37
TSTT x Temperature tank 1 at the top S3 37
TDIS
s*
Thermal disinfection temperature S3 37
S4 x Temperature sensor 4 S4 37
TR x* Temperature return sensor S4 37
n1 % x Pump speed R1 R1 38
h P1 x Operating hours R1 R1 38
h P2 x Operating hours R2 R2 38
kWh
x*
Heat quantity kWh - 38
MWh
x*
Heat quantity MWh - 38
CDIS
s*
Countdown of monitoring period - 38
SDIS
s*
Starting time display - 38
DDIS
s*
Heating period display - 38
TIME x Time - 34
rates relay 2 for backup heating or heat dump purposes,
when the adjusted thermostat switch-on temperature
(AH O) is reached. This function can optionally be com-
bined with up to three adjustable time frames.
Sensor S3 can also be optionally used as a reference sensor
for the thermal disinfection function OTD.
Sensor S4 can optionally be connected for measurement
purposes. If energy metering (OHQM) is activated, sensor
S4 has to be connected as return sensor.
- *49011100* 1
- Contents 2
- Overview 3
- 1. Installation 4
- S1 S2 S3 5
- © Viessmann 5443203 10
- Symbol Specification 13
- 2. Operation and function 32
- 2.3 Flashing codes 33
- 3. Commissioning 34
- 4. Channel overview 37
- 4.2 Adjustment channels 39
- and (flashing) 41
- and 42
- , and 42
- 5. Troubleshooting 47
- 5.1 Various: 48
- 6. Accessories 50
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