Back to start
Language
:
English
Deutsch
Français
Italiano
Português
Login
Disclaimer
Solar collector
Select from list of Solar Keymark'ed collectors. Enter certification number.
Enter the Solar Keymark certification number and click the button "Select"
Available: [011-7 S477 F],[011-7S702F], [011-7S558 R], [078/000016[, [071BN/0]
Select
Select collector from "family"
Storage Tank
Select from list of Solar Keymark'ed storage tank. Enter certification number.
Enter the Solar Keymark certification number and click the button "Select"
Available for TESTING: SK-ST-48, SK-ST-49, ..., SK-ST-58!
Select
Input
Brand / type:
A design parameter of the solar device.
Mandatory if the data is to be saved.
Number of collector modules N
col
[–]
A design parameter of the solar device
{N
col
> 1}
Number of the collector modules applied in the solar device.
Collector module reference area A
sol
[m
2
]
Read value from the Solar Keymark datasheet of the collector.
{A
sol
> 0.1}
Either "aperture" (EN 12975-2) or "gross" (EN-ISO-9806) area of the tested collector module area.
Zero loss efficiency η
o
[–]
Read value from the Solar Keymark datasheet of the collector.
{0.1 < E
o
< 2.0}
Use efficiency parameters matching the A
sol
area definition (gross / aperture).
First-order coefficient a
1
[W/m
2
.K]
Read value from the Solar Keymark datasheet of the collector.
{0.1 < a
1
< 50}
Use efficiency parameters matching the A
sol
area definition (gross / aperture).
Second-order coefficient a
2
[W/m
2
.K
2
]
Read value from the Solar Keymark datasheet of the collector.
{0.001 < a
2
< 10}
Use efficiency parameters matching the A
sol
area definition (gross / aperture).
Incidence angle modifier IAM [–]
Read value from the Solar Keymark datasheet of the collector.
{0.1 < IAM < 2}
If Kθ(θT) and Kθ(θL) are equal, use value at 50°. If not, calculate the value as: Kθ(θT,at 40°) x Kθ(θL,at 40°)
Nominal storage volume V
nom
[liter]
Read value from tank product fiche or energy label.
{V
nom
> 1}
Backup storage volume V
bu
[liter]
Read from the tank design drawings.
{V
bu
>= 0}
Volume of back-up heating part of the tank (volume above lowest part of the immerged back-up heat input device). In case of a pre-heater type solar device: V
bu
=0
Standing losses tank S [W]
Read from product fiche or the energy label of the tank
{S > 1}
S = heat loss rate (EN 12977-3/4) times 45
Location of the storage tank
Inside
Outside
A design parameter of the solar device
Pump power consumption solpump [W]
Read from the specifications of the pump
{solpmp >= 0}
For a controlled (continuous or steps) pump, value is 50% of nominal pump electricity consumption.
Standby power consumption solsb [W]
Read from the controller specifications.
{solsb >=0}
Type of control of backup heater
Continuous
Night only
Emergency
A design parameter of the solar device
Select the control type of the back-up heater (typical: Continuous).
Calculation
Load profile applied for the calculation
M
L
XL
XXL
Total collector area A
sol,tot
[m
2
]
Total installed collector area
Collector efficiency η
col
[%]
Calculation result to be added to the product fiche of the package.
Collector efficiency (at 40K and 1000 W/m
2
).
Energy label class of the tank
Calculation result to be added to the product fiche of the package.
Energy label class of the tank
Auxiliary energy consumption Q
aux
[kWh]
Calculation result to be added to the product fiche of the package.
Auxiliary electricity consumption
Method applied for the calculation
SolCal:2013
SolCal:2017
Non solar heat contribution Q
nonsol
[kWh]
Apply
Back to start 
Login 
