4> Unit Introduction And Parameters Adjustment - S&A CW-7800 Series User Manual

<4> Unit introduction and parameters
adjustment
(1) The unit use wire LCD temperature controller to realize more precise
temperature control and stronger capacity of resisting disturbance. It
supports MODBUS-485 communication with transmission distance up to
1.2km;
(2) It has water line anti-icing function. Under standby condition, it
functions when the room temperature is below 5℃;
(3) It has water tank heating function;
(4) It has water line actual flow monitoring function;
(5) It has actual conductivity monitoring function.
1. Temperature control panel introduction and parameters adjustment
（1）The control panel has LCD screen with 7 system operation buttons which are
Language Switching-button (Lang), UP-button (² ), Down-button (¼ ), Power-button
Set-button (Set), Quick Set-button (Quick Set) and Quit-button (Quit). Turn off
the chiller by pressing the Power-button for 3 sec while other operations can be
completed by short press.
（2）User parameters quick-adjusting: under normal operation condition, press
Quick Set-button to set the user menu. When it displays the set item, press Quick
Set to enter into parameter adjustment interface. Press ²
parameter items. If the parameters need to be modified, press Quick Set-button to
enter into parameter values and press ²
return to parameter quick setting interface by pressing Quit-button when the
adjustment is completed. If there is no more action within 15 sec, it will
automatically exit modifying status with modified parameters saved.
（3） User menu: under normal operation condition, press Set-button for 5 sec to
show user input password interface. Input • 168• by pressing ² or ¼ , then press
Set-button to enter into User menu to set the parameters. If the password is
incorrect, it will quit the setting interface and turn to normal operation interface.
or ¼ to adjust it. Save the values and
6
CW-7800 Series
or ¼ to to switch the