Manual of SR258 intelligent controller
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achieved by pump, then the heat transferring function will be independent from solar loading.
Below is the example of this application for reference.
Collector heat transferring valve logic Collector heat transferring pump logic
Sign displays on the screen, it indicates that valve logic heat transferring is running.
Sign displays on the screen, it indicates that pump logic heat transferring is running.
Note:
1. When collector overheat temperature OTST is 10K below the CEM temperature of
collector emergency shutdown, then collector overheat temperature OTST is locked
2. Heat transferring function is only available when collector cooling function (OCCO) and
system cooling function (OSYC) are deactivated.
Menu structure
Main
menu
Submenu
1
Submenu
2
Factory
set
Adjustable
range
Step
per
adjust
Description
COOL
Cooling function
OSYC
OFF
ON/OFF
System cooling
function
