P32-EN – Subject to technical changes 04.11
47
Technician
“Functions” Menu Overview
Menu, plain text
1 2 3 4 5 6 7 8 9 10 11 12 13 14
HEAT QUANT.
DES.: HQC SOLAR
INPUT VARIABLE:
SERVICE MENU:
Status:UNCALIBRATED
FROST PROTECTION: 0%
T.Pre-run: 77°C
T.return: 26°C
Diff: 50.5 K
FLOW: 122 l/h
POWER: 7.15 kW
HEAT QUANT.:
324.2 kWh
9.8 Heat quantities counting functions
Solar circuit “HQC SOLAR”:
Call up
: “F:30” in the Function overview menu.
Description
: This function helps you to check your solar
system and shows how much solar energy it has collected.
To use this function, a volume flow sensor (VSM-SC,
item no.: 09499, please order separately) must be
installed in the solar line. Otherwise, “FLOW”,
“POWER” and “HEAT QUANT” will always be zero.
You may also use a different volume flow sensor with
impulse output. The volume in litre/impulse must then
be set correctly in the SolvisControl (
page 30
).
• “Status”:
“CALIBRATED” or “UNCALIBRATED”.
We use extremely accurate temperature sensors for
measuring solar flow and solar return temperatures
(Pt 1000), which means calibration is not necessary.
• “FROST PROTECTION”:
The amount of antifreeze in the
secondary solar circuit is fixed at 0%. The volume flow
sensor is located in the secondary side of the plate heat
exchanger (“PHU”). This circuit between the storage tank
and PHE is run using heating water.
• “T.Pre-run:”
Flow temperature in secondary solar circuit,
sensor S5, “T.Solar Pre2”. Temperature of the heating
water after running through the plate heat exchanger.
The stratified charger stores the heated heating water
in the layer with the same temperature.
• “T.return:”
Return temperature in secondary solar
circuit, sensor S6, “T.Solar Ret2”. Temperature of cold
heating water that is extracted from the storage tank
from below.
• “POWER“
: The current heat output generated in the
solar heat exchanger. Calculated from the temperature
difference “DIFF” (= “T.Pre-run” – “T.return”) and the
current flow “FLOW” of the heat carrier in the solar
circuit.
• “HEAT QUANTITY“
: This shows how much heat energy
the solar system collected while it was running.
Menu overview for heat quantity
function
