SR981S/SR982S operation manual of solar pump stationPage 53 of 85Setup steps:To access main menu TEMP, then select submenu MAX1,“MAX1 60 oC” shows on the screen.►Press “SET” button, parameter “60 oC” blinks►Press “ ” button to adjust the value of maximumtemperature of tank , adjustable range is (MIN1+2 oC) ~95oC, default set is 60 oC► Press “ESC” button to exit the menu or wait for 20 seconds to exit, parameters aresaved automatically.8.4.9 MIN1 Minmium switch-on temperature for heat transfer between tank andheat returnSetup steps:To access main menu TEMP, then select submenu MIN1,“MIN1 30 oC” shows on the screen.►Press “SET” button, parameter “30 oC” blinks►Press “ ” button to adjust the value of maximumtemperature of tank, adjustable range is 10 oC ~(MAX1-2oC), default set is 30 oC► Press “ESC” button to exit the menu or wait for 20 seconds to exit, parameters aresaved automatically.8.4.10 MAX2 Maximum switch-off temperature for heat transfer between heatexchanger and tankDescription:Example with system 12In the case that collector T1, heat exchanger temperature T4 and tank T2 all meet theswitch-on condition, when value of T4 is between the minimum switch-on temperatureMIN2 and its maximum switch-off temperature MAX2, P1 and P2 pump are triggered at thesame time; when T4 exceeds the MAX2, then P1 is ceased. When T4 drops below itsMIN2, then P2 is ceased.In the case that collector T1, heat exchanger temperature T4 and tank T2 all meet the
