Operation manual of solar controller SR658
Page 88 of 105
Menu structure
Main
menu
Subme
nu 1
Subme
nu 2
Default
set
Adjust
range
Adjust
step
Adjust range
OHQM
OFF
ON/OFF
Thermal energy measurement
FTYP
1
1
，
2
，
3
Flow sensor selection
1: Fix flow value (glass tube flow meter)
2: Groundfos flow sensor VFS
3: Rotary blade flow meter FRT
FMAX
6L/min
0.5-100L/
min
0.1
Flow enter
MEDT
3
0-3
Heat transfer Liquid
0: Water
1: Propylene glycol
2: Ethylene glycol
3: Tyfocol LS / G-LS
MED%
45%
20-70%
1%
Concentration of the heat transfer fluid
Function set:
►Press “SET” button to select menu “OHQM”,
►Press “SET” button, “OHQM OFF” displays on the screen
►Press “SET” button, “OFF” blinks on the screen
►Press “↑”, “↓” button, to activate this function, “OHQM ON” displays on the screen
►Press “SET” or “ESC” button, to confirm the setting
►Press “↑” button, “FTYP 1” displays on the screen
►Press “SET” button, “1” blinks on the screen
►Press “↑”, “↓” button, to select type of flow meter (1,2,3)
►Press “SET” or “ESC” button, to confirm the setting
►Press “↑” button, “FMAX 6” displays on the screen
►Press “SET” button, “6” blinks on the screen
►Press “↑”, “↓” button, to adjust the flow rate value
