VARIANT no. 4 - tank loaded from the solar panel plus extra heat
discharge.
Tank loading
(%&%'%"#) %*#%&$'##%&%#,829)$
%&)#%*"$*"%)&#%&%#,"#+''8''$ "$'9%
$'( %& %'%"#) '$ *%& $% '%%& )#%*"
)%&''/$$'($'"%%&)$'2%'%"#)
'$ * %&''*" $*"%)&(%)# $*"%)&#+"##%
%&%'%"#)829)$
&"#+%&%#,$%'$*&#%#,%'%7)$ 2#"%&
%'%"#) %*#%&'##%&%#,829"$ "+#+&%&''
%#
Heat discharge
(%'%7)$ J=%&)#%$%%$''%"$)&+
%&)$$&%8''$ "$'9?%"$)&+$%'$"7'$ * 2
=&"$#)%"#"#%"#$.?B%'%*"%&"#$""%$
5(?(.A."$$)%"#%&"$"#%&%"$)&+*,$$$
B&#%&K(#)%"#"$$)%&%"$)&+"$
Basic settings
% %'% .?B %#, ( %& %#, %'% 8 79
)$%&"$%&"#+$%'$
2"#)I*&#)%&%#,"#+''"$$*"%)&
#
(2"#)'$ *%&"$%&%#,"#+''*"
$*"%)&
(%&"$%'%"$) %&%#, 879 &%"$)&+ "$
$%%
# "#+$#
6$#"$ 6$##
4
Fig. 6 Controller display for Variant no.4
User Parameters
%%'%.?B%#,(%&%#,%'%879)$
%&"$%&"#+*"$%'8%%"#+#+%4=$%'=%
$%%"#+5;=9
2"#)I*&#)%&%#,"#+''*"$*"%)&#
8%%"#+#+%;=$%'=%$%%"#+5=9
Note: ZΔ1 must be at least 1°C higher than ZΔ2.
( 2 "#) '$ *%&"$ %& %#,"#+ ''*"
$*"%)&8%%"#+#+%;=$%'=%$%%"#+5=9
Note: Minimum ZΔ2 value should not be lower than 2°C.
Variant no. 1 #%"
Variant no. 2 #%"
Variant no. 3 %#,%'%7 **&")&%&)""$)%"%
Variant no. 4
%#,%'%7)"#+*&")&)%"%$&%"$)&+
Variant no. 5
%#,#%'%:)"#+*&")&)%"%$&%%#$
8%%"#+#+%4=$%'=%$%%"#+5:;=9
#"#"#%#;572:"#))"#+*&")&)%"%$
''8%%"#+#+%;=$%'=%$%%"#+:=9
Note: 2Δ1 must be at least 1°C higher than 2Δ2.
#"#"#%#;5"72:"#)'$ *%&"$''
*"$*"%)&8%%"#+#+%;=$%'=%$%%"#+5=9
# "#+$#
6$#"$ 6$## 8%$%%"#+59
4'%"#+(#$%)%"#$ <
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