1. Page 1 Updated by: Yap Boon Thiam Technical Engineer Email: yapbt@oyl.com.myyapbt@oyl.com.my Date: 09/5/2012

2. Page 2 Controller Layout LCD Display Switching Heat Mode Switching Cool Mode On/Off Indicator Show Alarm Key On/Off Shortcut Key Navigation Key (Up & Down) Cancel Instruction Key Execute Instruction Key ! We can ONLY use the short cut key in the summary page ! Short Cut KeyNavigation Key

3. Page 3 Features Backup Battery CMOS Reset Jumper (JH2) Chiller Terminal Unit Connection (CN8) +12Vdc, GND; A, B Reset some of the settings to the DEFAULT value Memorize of Date, Time & Timer Schedule

4. Page 4 1.Operations 1.1 Summary Pages 1.2 Operation Menu 1.3 Setting Menu 1.4 Timer Menu 1.5 Alarm Menu 1.6 Display Menu 2.Chiller Buss 2.1 Chiller Panel Networking 2.2 Unit Selection Menu Contents

5. Page 5 Operations Summary Pages Main menu Setting Menu Timer Menu Operation Menu Alarm Menu Display Menu Unit Selection Menu Press ENTER Press and Hold ENTER for 1s Press ENTER

6. Page 6 1.1 Summary Pages Operations 01/01/2000 12:00 am Status : ON Mode: Cooling Cool Temp: 12.0 o C [00] Running Mode Cooling Heating Cool Temperature that we set in the Operation Menu Chiller ID First Page 4 Summary Pages Display the Operation Status of Chiller Using all Short Cut key

7. Page 7 1.1 Summary Pages Operations 01/01/2000 12:00 am Compressor 1 : ON Compressor 2: Off [00] Display the status of Compressor Second Page

8. Page 8 1.1 Summary Pages Operations Third Page 01/01/2000 12:00 am Water In: 19.8 o C Water Out: 13.0 o C Outdoor Air: 32.0 o C Panel : 20.5 o C [00] Water Return and Water Leaving Temperature Outdoor Temperature Temperature of the Panel

9. Page 9 1.1 Summary Pages Operations Forth Page 01/01/2000 12:00 am Model: Chiller No. Comp: 2 Comp Unit No.: 0 [00] Model of Chiller Number of Compressor in the Chiller Unit ID (main board ID) Chiller = Cooling Mode Heatpump = Cooling& Heating Mode

10. Page 10 1.2 Operation Menu Operations OPERATION MENU Status : ON Mode: Cooling Cool Temp: 12.0 o C Heat Temp: 40.0 o C Control ON/OFF status of chiller Switching Mode Adjust the Cool and Heat temperature

11. Page 11 1.3 Setting Menu Operations Password Protected Advanced Parameter Setting:- - Sensor setting - Defrost setting - Antifreeze heater setting - Compressor *Note: Improper setting will cause permanent damage to the chiller

12. Page 12 Operations Set the time and date 2 ON/OFF event per day in 7 days programmable schedule TIMER MENU Clock Setting Date Setting Timer Schedule Timer : Disable 7 Days Programmable Timer Schedule 2 ON/OFF timers per day Set Clock hh : mm Set Date yy mm dd 1.4 Timer Menu

13. Page 13 1.5 Alarm Menu Operations [Ch 0] Alarm 1 Comp 1 overload 01/01/00 11:00am An New Alarm Message will pop up on the LCD Alarm occurred Unit (chiller ID) Alarm occurred type Alarm occurred time Alarm occurred Date Beeping sound Backlight blinking

14. Page 14 1.5 Display Menu Operations DISPLAY MENU Defrost Sensor Discharge Sensor Comp run Time Display the temp of defrost sensor for Condensing Unit Display the temp of Discharge sensor for monitoring the high temperature of compressor discharge Compressor Run time of the Chiller

15. Page 15 Chiller Bus Chiller Panel 0 (Master) Chiller ID 0 Chiller ID 1 Chiller ID 2 CN8 – CN8 Chiller Panel 1 (Slave) Chiller Panel 2 (Slave) A B 2.1 Chiller Panel Networking

16. Page 16 Using 2 Insulated wires to link up the C BUS Chiller Bus

17. Page 17 Summary Pages Set Parameter Setting Menu Main Menu <ENTER><ENTER> <ENTER> 1. GeneralG7 Unit No. <ENTER> <ENTER> Only Power On one main board in the chiller bus, make sure others main boards are Off (power supply off) Key in the unit address (G7) and execute Please label the Main board Unit ID after execute a unit address for it (In order to communicate by controller) De-energized the main board, and repeat for other main boards in Chiller Bus G1 Model: Chiller G2 No. Comp: 1 Comp G3 On/Off In: Disable G4 Co/Heat In: Disable G5 Ext Alarm In: Disable G6 Water Sys: Isolated G7 Unit No: 0 Chiller Bus

18. Page 18 Set Chiller Unit Address Master Panel (Set Panel ID = 0) Master Panel can control and view the status for all the chiller in a C Bus Slave Panel (Set Panel ID NOT 0) Slave Panel can only control and view the status for a specific chiller Chiller Bus

19. Page 19 Chiller Bus 2.2 Unit Selection Menu Main menu Setting Menu Timer Menu Operation Menu Alarm Menu Display Menu Unit Selection Menu Press and Hold ENTER for 1s

20. Page 20 Chiller Bus 2.2 Unit Selection Menu Unit Selection: Select All Select one: 0 Master can control all the slave settings globally and Display the Master operation status Master can control the slave settings and display the slave operation status individually Master Panel (Panel ID is 0) can choose to control and display each chiller status in the Chiller C-Bus

21. Page 21 Thank You