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Remeha
W21/28 ECO
14
Alleen Remeha W21/28c ECO:
- Platenwarmtewisselaar
- C.v.-zijdig buffervat
- Driewegklep
- Stromingsschakelaar (tapwater)
Accessoires
- Ombouwset propaan
- Montagebeugel
- Service-display
- Weersafhankelijke regelaar
- Boilers met aansluitset
- Aansluitset voor zonneboiler
4 RENDEMENTSGEGEVENS
4.1 Waterzijdig rendement Remeha W21 ECO:
Tot 97,7% ten opzichte van H
i
(tot 88,0% t.o.v. H
s
) bij 80/60°C en tot 109,3% ten
opzichte van H
i
(tot 98,5% t.o.v. H
s
) bij 40/30°C.
Remeha W28 ECO:
Tot 98,0% ten opzichte van H
i
(tot 88,2% t.o.v. H
s
) bij 80/60°C en tot 108,7% ten
opzichte van H
i
(tot 97,8% t.o.v. H
s
) bij 40/30°C.
4.2 Jaarrendement overeenkomstig Gaskeur HR
Het toestelgebruiksrendement bedraagt ca. 105% t.o.v. H
i
(ca. 95% t.o.v. H
s
) bij een
gemiddelde watertemperatuur van 45°C (50/40) en een benuttingsgraad van 30%.
Hierdoor mag voor de Remeha W21/28 een opwekkingsrendement van 0,95 worden
ingezet voor de berekening van de Energie Prestatie Coëfficiënt (EPC). Het toestel is
in het bezit van Gaskeur HR 107.
4.3 Jaargebruiksrendement voor tapwater overeenkomstig Gaskeur CW
Afhankelijk van de bruto warmtebehoefte voor tapwater, volgens NEN 5128, kunnen
voor de EPC-bepaling rendementswaarden tot 0,7 worden gehanteerd.
H
i
= onderwaarde
H
s
= bovenwaarde
14


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