3
Special filling valve for solar hot water system:
When filling the medium, close the button
①
,
and open the button
②
③
at the same time. Fill
the medium from the left side. When there is
medium venting from the right side evenly, it
means the medium has been filled up. Then
close the button
②
③
, and open the button
①
.
Ⅱ
. System diagram (72 solar hot water system)
System 1 System 2 System 3 System 4
System 5 System 6 System 7 System 8
System 9 System 10 System 11 System 12
System 13 System 14 System 15 System 16
System 17 System 18 System 19 System 20
System 21 System 22 System 23 System 24
Solar working station series for solar water heating control system
Summary of Contents for SP228
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