Sigma SI 150, Руководство по установке и обслуживанию, Страница: 13 / 19

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7 . FILLING THE COLLECTOR
1 . Fill in collector with water from the long plastic pipe 4.4 until a small quantity of
water overflows from the short flexible pipe 4.5 , sign that collector is full and
ventilated .
2 . Then you connect :
Filling is done using water and antifreeze. The recommended antifreeze is propylene
glycol that is non ‐ toxic.
Quantity of propylene glycol shall depend upon frost conditions.