SR981S/SR982S operation manual of solar pump stationPage 3 of 858.5.1 DVWG Anti legionnaires' function .....................................................................568.5.2 SFB Switch-on/off of the solid fuel boiler ...........................................................578.5.2.1 SFON Minimum switch-on temperature of tank ..............................................588.5.2.2 SFOF Maximum switch-off temperature of tank ..............................................588.5.2.3 MAX3 Maximum switch-off temperature of solid fuel boiler .............................588.5.2.4 MIN3 Minimum switch-on temperature of solid fuel boiler ...............................588.5.3 PUMP1 P1 pump operation mode selection ......................................................598.5.3.1 nMIN Pump1 speed adjustment (RPM) ..........................................................598.5.3.2 DTS Standard temperature difference of pump 1 (for pump 1 speed adjustment)..................................................................................................................................608.5.3.3 RIS Gain for circulation pump 1 (for pump1 speed adjusting) .........................618.5.4 PUMP2 P2 pump operation mode selection ......................................................618.5.4.1 n2MN Pump 2 speed adjustment (RPM) ........................................................628.5.4.2 DT2S Standard temperature difference of pump 2 (for pump 2 speedadjustment ) ..............................................................................................................638.5.4.3 RIS2 Gain for circulation pump 2 (for pump 2 speed adjustment) ...................638.5.10 OHQM Thermal energy measuring .................................................................638.5.9 FTYPE Flow meter type selection .....................................................................648.5.9. FTYP2 Flow meter type selection ....................................................................658.5.10.1 FMAX Flow rate ...........................................................................................658.5.10.2 MEDT Type of heat transfer liquid ................................................................668.5.10.3 MED% Concentration of heat transfer liquid .................................................668.5.11 PRIO Tank priority ...........................................................................................668.5.11.1 tRUN Intermission heating run-on time .........................................................678.5.11.2 tSTP Intermission heating run-off time..........................................................688.5.12 INTV pump Intermission function ....................................................................698.5.12.1 IRUN Pump interval run-on time ..................................................................698.5.12.2 ISTP Pump interval run-off time ...................................................................708.5.13 COOL Tank cooling function ............................................................................708.5.14 AHO Automatical thermostat function ..............................................................718.5.15 BYPR Bypass function (high temperature) ......................................................728.6 HND Manual control ............................................................................................73