Operation manual of solar water controller SR601
--------------------------------------------------------------------------------------------------
~ 18 ~
6. Protection Fuction
6.1 Collector high temperature protection
Functional description:
In the status that there is no water inside tank, and tank temperature is
over 99
o
C
, then water-
loading button is invalided, and “E4” displays on
screen, water loading is complete stopped until tank temperature drops
below 80
o
C
. Doing like this can avoid breaking collector pipe, which
caused by large temperature difference.
6.2 Low water pressure protection
Functional description:
During the water loading mode, because of low water pressure or no
water flow rate ( when water level can rise 1 level within 60minutes, then
it means no water flow rate) controller will entry low water pressure
protection mode automatically, low water pressure signal displays, after
30 minutes, controller exit program automatically. Doing like this can
avoid damaging of electromagnetic valve, which caused by long operation,
and avoid water flows back from tank to pipe.
