1. Chiller Panel Controller

2. Objectives What is the Features of Chiller Panel Controller What is the Features of Chiller Panel Controller How to use Chiller Panel Controller to Monitor the status and Control Operation of the Mini Chiller How to use Chiller Panel Controller to Monitor the status and Control Operation of the Mini Chiller The Network to Link-up the Chillers by using Chiller BUS The Network to Link-up the Chillers by using Chiller BUS

3. Air Cooled Mini Chiller C-Series AC/4AC 80/100/120/150 C/CR Two refrigerant Circuit Two Compressor Two Condensing Fan

4. Air Cooled Mini Chiller C-Series AC/4AC 20/25/30 C/CR Single Compressor Single Condensing Fan

5. Air Cooled Mini Chiller C-Series AC/4AC 40/50/60 C/CR Single Compressor Two Condensing Fan

6. 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 Hardware Description We can ONLY use the short cut key in the summary page ! Short Cut Key Navigation Key

7. Hardware Description 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

8. Mini Chiller Main Board (MC 01) Sensors Defrost Sensor Compressor Discharge Sensor Outdoor Ambient Sensor Leaving / Entering water Sensor Input Signal Fan Overload (FO) Low Pressure switch (LP) High Pressure Switch (HP) Compressor overload (CO) Water Flow Error (FL) Pump Overload (PO) Defrost Sensor Error (DE) Discharge Sensor Error (CD)

9. Alarm In Antifreeze heater 4-Way valve (2) 4-Way valve (1) Outdoor fan (1) Outdoor fan (2) Water Pump Compressor (1) Compressor (2) Output Signal If the Relay is activated, there is a 240V power supply out from the board

10. Panel Connection Display the Operation Status/ Control the Operation Input and Output Signal

11. Features Graphical LCD Display Network to link up the Chiller (Chiller BUS) Password Protected Advance Parameter Setting Individual Cool Set Temperature and Heat Set Temperature Status Display (Panel Temperature, Defrost and Discharge Sensor Temperature, erasable compressor run time) Manual Defrost Selection Real Time Clock (RTC) and Date Display 7 days Programmable timer ( 2 ON/OFF timer) 47 Types of Alarm Display 20 erasable Alarm Memories Screen Saver Display

12. Installation Of Chiller Panel Controller  Supply +12 Vdc as a power source to the device  Maximum current is 200 mA  Isolated all the low voltage wiring (communication bus, etc) from high voltage power supply wiring  4 way wires (CN8 – CN8) provides the easiest solution to communicate between panel and chiller main board

13. Wiring Connection Connect the Communication Between main board (MC 01) to the Panel with CN8-CN8

14. Wiring Connection

15. Menu Structure Diagram for Chiller 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

16. Summary Pages 4 Summary Pages Display the Operation Status of Chiller Using All Short cut key 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

17. Summary Page 2 01/01/2000 12:00 am Compressor 1 : ON Compressor 2: Off [00] Display the status of Compressor

18. 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 Summary Page 3

19. 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) Summary Page 4 Chiller = Cooling Mode Heatpump = Cooling& Heating Mode

20. Operation Menu OPERATION MENU Status : ON Mode: Cooling Cool Temp: 12.0 o C Heat Temp: 40.0 o C Control On/Off status of chiller Control On/Off status of chiller Switching Mode Switching Mode Adjust the Cool and heat Temperature Adjust the Cool and heat Temperature

21. Timer Menu Set the Time and Date Set The ON/OFF Schedule of the Chiller 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

22. Set Schedule Timer 1 Timer 2 ON OFF ON OFF Sun ---- ---- ---- ---- Mon 0800 1200 1300 1700 Tue 0800 1200 1300 1700 Wed 0800 1200 1300 1700 Timer 1 Timer 2 ON OFF ON OFF Thu 0800 1200 1300 1700 Fri 0800 1200 1300 1700 Sat 0800 1200 ---- ---- Set the ON/OFF for timer 1 & 2 Set the timer to “----” in order to disable the event How to set the Timer Schedule ?

23. Timer Schedule TIMER MENU Clock Setting Date Setting Timer Schedule Timer : Enable Confirmation of timer schedule  Before the timer schedule will carry any effect, it is needed to set “Enable” in the Timer menu  Set it to “Disable” in order to cancel the timer schedule

24. [Ch 0] Alarm 1 Comp 1 overload 01/01/00 11:00am New Alarm Display Faulty or Alarm is triggered 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

25. Stop “Beeping” & Backlight blinking via pressing Any key For example, If Alarm 1 have been dissolved, Alarm 1 Message will disappear and only display other alarm messages Press Up & Down key to scroll the alarm display if more than one alarms occurred It will exit to the Summary Pages automatically CASE 1 Dissolve the ALARM How To Clear The Alarm Dissolve the others ALARM

26. 01/01/2000 [A] 12:00 am Status : ON Mode : Cool Set Temp : 24 o C Fan : High Room Temp : 27 o C Unit : G0U0 [00] Pressing ESC after “beeping” sound & backlight blinking stop Sign Sign [A] CASE 2 It will back to summary pages with a sign [A] Press ALARM key or Go to show alarm in Alarm Menu to display current existing alarms and dissolved them Unit will Not ON if there is any existing alarms How To Clear The Alarm

27. ALARM MENU Show Alarm Erase All Alarms If there is no existing alarms, “show alarms” will display the old record alarm Alarm Menu Keep Up to 20 Alarms Erase the records of histories alarms Content in Alarm Menu

28. IF unit detected having faulty Alarm will trigger & Unit will be turn OFF Alarm Menu After the alarms have been dissolved Unit can only be turn ON via Manual Reset (Off & On the power supply of Unit) or Auto Reset (Unit will restart all 3 minutes) Setting of reset type can be done in the “Alarm & Contact” in “SET PARAMETER” Status Of Mini Chiller

29. Display Menu 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

30. Application with two compressors Partial load capabilities Two separate refrigerant circuit Two compressors 0-50-100% of rated capacity Improve the reliability and energy efficiency of chiller If one compressor is spoiled, the unit still can run with one compressor

31. How chiller works with single compressor? Comp off Comp on Temperature Cooling Set-Temp. Cooling Set-temp. + Differential Difference temp of the set-temp and sensed temp (temp of water return/leaving)

32. Example Comp off Comp on Temperature Cooling Set-Temp = 12 o C Differential= 3 o C Cooling Set-temp. + Differential.= 15 o C 15 o C 12 o C

33. How chiller works two compressors? Cooling Set Temp. Cooling Set temp. + ½ Differential Cooling Set temp. + Differential Temperature Comp off Comp 2 Off Comp 1 On Comp 2 On

34. Example 12.0 o C (12 + ½ * 3) = 13.5 o C Room Temperature Comp off Comp 2 Off Comp 1 On Comp 2 On (12 +3) = 15.0 o C Cooling Set-Temp = 12 o C Differential= 3 o C

35. Setting of Temperature Summary Pages Set Parameter Setting Menu Main Menu <ENTER> <ENTER> <ESC> <ESC> <ESC> <ENTER> R1 Cool SP : 12.0 o C R2 Cool Diff : 1.5 o C R3 Heat SP : 40.0 o C R4 Heat Diff : 1.5 o C R5 Min Cool SP : 7 o C R6 Max Cool SP : 20 o C R7 Min Heat SP : 30 o C 3. Regulator

36. Defrost Cycle of Mini Chiller Summary Pages Set Parameter Setting Menu Main Menu <ENTER> <ENTER> <ESC> <ESC> <ESC> <ENTER> D1 Start Temp : 0 o C D2 End Temp : 14 o C D3 Max Dura : 10 m D4 Interval : 45 m D5 Dly Bfr Def : 0 s D6 Dly Aft Def : 120 o C 5. Defrost G5 Defrost <ENTER> <ESC>

37. Start Defrosting Conditions Defrost timer start counting Defrost sensor <= D1 o C Defrost sensor > D1+2 o C For >150 s After interval time ( D4 ) & Defrost sensor <= D1 o C Defrost time reset to 0 Defrost Cycle START D1 = 0 o C D4 = 45m

38. Manual Condenser Defrost Summary Pages Operation Manual Main Menu <ENTER><ENTER> <ESC> <ESC> OPERATION MENU Status : ON Mode : Heating Cool Temp : 12.0 o C Heat Temp : 45 m Manual Defrost “Manual Defrost” only appear in Heating mode

39. Manual Defrost Defrost Sensor < D2 o C Select “Manual Defrost” Defrost Cycle Start Compressor will display as DEFROST in Summary Page 2 With Condition D2 = 14 o C With Condition D2 = 14 o C

40. Defrost Termination Conditions Defrost sensor > D2 o C OR Maximum duration of defrost cycle elapsed (>D3 min) Defrost End D3 = 120 min D2 = 14 o C

41. Cool Mode Antifreeze Heater Summary Pages Set Parameter Setting Menu Main Menu <ENTER> <ESC> <ESC> <ESC> <ENTER> 6. Cool Mode Antifreeze A1 Heater SP: 5 o C A2 Heater Diff. : 2.0 o C A3 Sensor: Leave A4 Alarm SP: 3 o C A5 Alarm Diff: 2.0 o C ONLY Apply in COOLING MODE Turn on to prevent freezing on Brazed Plate Heater Exchanger when running cooling mode <ENTER>

42. A3 Antifreeze Sensor Selection Entering water temp. sensor Leaving water temp. sensor A1 Heater SP: 5 o C A2 Heater Diff. : 2.0 o C A3 Sensor: Leave A4 Alarm SP: 3 o C A5 Alarm Diff: 2.0 o C

43. Antifreeze alarm Set Point Temperature Alarm Off Alarm On Antifreeze alarm Set Point + Differential Antifreeze Alarm Antifreeze alarm set Point = 3 o C Differential= 2 o C Alarm will trigger = 3 o C Alarm will OFF = 5 o C Compressor will stop running Temp of BPHE will rise to avoid freezing

44. Cool Mode Antifreeze Heater Antifreeze heater ON = 5 o C Heater Set Point Heater Set Point + Different Temperature Heater off Heater on Example : Antifreeze Heater On = 5 o C Differential = 2 o C Antifreeze heater OFF = 7 o C Antifreeze Heater use to Heat Up the BPHE before it drop to Antifreeze Alarm set temperature

45. Network Between Chiller Panel Controller 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

46. Connection of C BUS Using 2 Insulated wires to link up the C BUS

47. Summary Pages Set Parameter Setting Menu Main Menu <ENTER> <ENTER> <ENTER> Setting unit address for main board in the chiller 1. General G7 Unit No. <ENTER> <ENTER> Only Power On one main board in the chiller bus, make sure others main boards are Off (power supply off) 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 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) 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 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

48. Set Chiller Unit Address 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 OFFOFFOFF

49. Chiller BUS Features Monitor mini chiller status and control mini chiller settings (global or individual) Alarms can be shown in the Master Panel and Slave Panel Chiller Bus Specification Only a Master Chiller in a C BUS (Chiller Unit ID is 0) Only a Master Chiller in a C BUS (Chiller Unit ID is 0) Master Panel can be more than one in a C Bus (Panel ID is 0) Master Panel can be more than one in a C Bus (Panel ID is 0) 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 SETTING MENU Set Parameter Change Password Panel Option Set Panel ID

50. SETTINGS MENU Set Parameter Change Password Panel Option Set Panel ID Please enter the Panel ID …  Unit 0 Enter the Panel ID with 0 Is Master Panel and others No. are Slave Panel

51. Master Panel Control in C Bus  Master Panel (Set Panel ID O )  Master Panel can control and view the status for all the chiller in a C Bus 01/01/2000 12:00 am Status : ON Mode: Cooling Cool Temp: 12.0 o C [00] Display Status of Master Chiller (Unit No.0) Control the Settings of Master Chiller (Unit No. 0)

52. Slave Panel Control in C Bus  Slave Panel ( Set Panel ID is not O )  Slave Panel only can control and view the status for a specific chiller 01/01/2000 12:00 am Status : ON Mode: Cooling Cool Temp: 12.0 o C [01] Display Status of Slave Chiller (Unit No.1) Control the Settings of Slave Chiller (Unit No. 1)

53. Changing Display Unit Can be done in Summary pages only 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 00) can choose to control and display each chiller status in the Chiller-BUS

54. If user choose Select All Master Panel Control 01/01/2000 12:00 am Status : ON Mode: Cooling Cool Temp: 12.0 o C [All] Display Status of Master Chiller All other chillers in C Bus will follow the changes of the Master Chiller

55. Master Panel Control 01/01/2000 12:00 am Status : ON Mode: Cooling Cool Temp: 12.0 o C [01] Display Status of Slave Chiller (Unit No. 1) Control the Settings of Slave Chiller (Unit No. 1) If user choose Select One : 1

56. Chiller BUS Chiller Panel ID 0 (Master) Chiller ID 0 CN8 – CN8 A B Chiller BUS Chiller ID 2 Chiller ID 1 Using ONLY a Chiller Panel Controller

57. Other Configuration CMOS Reset What can we do if we forgot the password? Power Off the panel Close the jumper JH2 Power on the panel CMOS is resetting …….. CMOS reset completed! Please remove JUMPER and restart the panel Default value : Password: 0001 Backlight : Normal Buzzer : ON Screen Saver: Disable Timeout: 5m Brightness: Medium Temp Unit: o C

58. Smart Manager

59. Objective What is the Features of Smart Manager How to use Smart Manager to control Chiller & FCU

60. Mini Chiller FCU Chiller Panel Controller Nim Netware 2/ SLM3 or wireless controller Nim Netware 2/ SLM3 wireless controller Netware 2/SLM3 or wireless controller Can Support Up to 50 Chillers On the C BUS Can Support up to 120 FCUs On the NIM BUS Network of Smart Manager Smart Manager

61. Smart Manager A network to link up the Mini chiller and FCU through the C BUS and NIM BUS Able to control the operation & Display the status of chillers or FCUs existing in the NIM BUS and C BUS Determine the running mode of chiller base on the FCUs’ requirement Can receive all the alarms from others chiller and FCUs Features

62. Components Smart Manager Chiller Panel Controller Mini Chiller main board Netware 2 SLM3 NIM FCU main board

63. BUS Wiring Network Power Supply 12Vdc

64. 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 Chiller BUS Smart Manager

65. NIM BUS Smart Manager Wired Controller (Netware 2) NIM Master 120 Units of FCU Supply +12 VDC

66. Smart Manager MENU SMART MANAGER Fan Coil Unit Chiller Settings Go into FCU summary pages to Control and Display status of FCU Go into Chiller summary pages to Control and Display status of Chiller Smart Manager Configuration

67. Menu Structure Chiller Summary Pages Smart Manager FCU Summary Pages SM Setting Hold ESC 1s Select “Chiller” Hold ESC 1s Select “Fan Coil Unit” Hold ESC 1s Select “Setting” Smart Manager Menu

68. Smart Manager Settings SM SETTINGS Priority : FCU Cool Threshold : 50 % Heat Threshold : 50 % Chiller running mode is determined by FCU status base on threshold value Set to FCU, If one FCU is ON, Chiller turn ON automatically If all FCUs are OFF, Chiller turn OFF automatically Priority Setting Manual ON the Chiller will be turn OFF automatically by the setting if all the FCU is OFF

69. Smart Manager Settings SM SETTINGS Priority : Chiller Cool Threshold : 50 % Heat Threshold : 50 % Chiller running mode is determined by Chiller status itself Set to Chiller, If Chiller is OFF, No FCU can be turned ON If Chiller turn ON, FCUs can be turned ON or OFF Priority Setting Manual ON the FCU will be turn OFF automatically by the setting

70. Smart Manager Settings SM SETTINGS Priority : None Cool Threshold : 50 % Heat Threshold : 50 % Operation Between Chiller and FCU isolated Set to None, This priority setting is the factory setting Priority Setting

71. Threshold Value Settings SM SETTINGS Priority : FCU Cool Threshold : 60 % Heat Threshold : 70 % Must Set to FCU 50% ≤ Value setting ≤ 100% Total of FCU No. of FCU in Cool Mode No. of FCU in Heat Mode Cool Threshold (C) Heat Threshold (H) Running Mode of Chiller 107370-cooling 6460-cooling 5550-cooling 46-60cooling 37-70Heating 28-80Heating If C ≥ 60, Run as Cooling mode (current setting mode) If 40<C<60, remain as the current mode If H ≥ 70, Switch to Cooling Mode Ensure the Running Mode Of Chiller

72. NIM BUS FEATURES Fan Coil Unit  Monitor FCU’s status and control FCU’s settings (global, group or individual)  Alarm (6 types of FCU fault)  Five sets 7 days programmable timer (2 ON/OFF timer)  10 Holidays setting (turn OFF all units during holiday period)

73. NIM BUS Specification 120 groups Each group must consist one master Maximum 16 FCUs in one group including master Global Control Group control Individual control

74. Setting of unit address of FCU Adjust the Dipswitch (DSW2) to assign FCU Unit setting Adjust the Dipswitch (DSW1) to assign Group Address setting

75. Connection to Smart Manager CN3 CN3 ~ Connection of NIM Bus to Smart Manager CN1 CN1 ~ Connect to Main Board (WIV3) CN2 CN2 ~ Connect to Wired Controller

76. Installation of Smart Manager A B A B Smart Manager

77. Menu Structure Diagram for FCU Summary Pages Main menu Setting Menu Timer Menu Operation Menu Alarm Menu Unit Selection Menu Press ENTER Press and Hold ENTER for 1s Press ENTER

78. Unit Selection Menu We can control the FCU as : Global Group Individual Unit Selection : Unit Selection : Select All Select All Select Group Select Group Select One Select One Display the Global Master (G0U0) status and control all FCUs setting at once Display the Group Master (G1U0) status and control all FCUs setting in that group at once Only display the chosen FCUs and control the FCUs setting

79. Changing Display Unit Method 1 Unit Selection : Select All Select Group Select One Press & hold ENTER 1s (in Summary Pages) 01/01/2000 12:00am Status : OFF Mode: Cool Set Temp: 24 o C Fan: High Room Temp: 27 o C Unit: G0U0 Summary Page Unit : All G1 G0U1 Select the Unit Selection and press ENTER

80. Method 2 Changing Display Unit 01/01/2000 12:00am Status : OFF Mode: Cool Set Temp: 24 o C Fan: High Room Temp: 27 o C Unit: G0U0 Press & hold UP or DOWN Key 1s (in Summary Pages) to scroll and display each FCU unit in the network Unit : GXUX will keep on changing to show ALL the FCU units exist in the network Let Off the UP or DOWN Key until the GXUX that u wish to display

81. Fan Coil Unit Menu Structures Press Up and Down Key for page scrolling And Display the Operation Status of FCU 01/01/2000 12:00 am Status : ON Mode: Cool Set Temp: 24 o C Fan : High Room Temp: 27 o C Unit: G0U0 01/01/2000 12:00 am Swing : Yes Sleep: No Compressor: OFF Schedule: 1 Timer: Disable Summary Pages

82. Main Menu of FCU MAIN MENU Operation Menu Setting Menu Timer Menu Alarm Menu Control the Operation Password Protected Advanced Parameters Setting & Panel Option Clock & Date Setting Timer On/Off Schedule Holiday Off Duration Record 20 erasable alarm histories

83. Operation Menu 01/01/2000 12:00 am Status : ON Mode : Cool Set Temp : 24 o C Fan : High 01/01/2000 12:00 am Swing : Yes Sleep : No Schedule : 1 Timer : Disable Change the Operation Settings of FCU Enable or Disable the Timer Schedule Select the Timer Schedule

84. Panel Option Backlight: Normal Buzzer : ON Screen Saver: Disable Timeout: 5m Contrast: 50% Brightness: Medium Temp Unit: o C Create a “Beeping” sound whenever It trigger any alarm Temperature Unit can be set either o F or o C Setting of the Panel itself

85. Timer Menu MAIN MENU Clock Setting Date Setting Timer Schedules Holiday Set Time: hh mm Set Date: yy mm dd

86. Timer Schedules  5 sets of programmable timer schedules SCHEDULE SETTINGS Schedule 1 Schedule 2 Schedule 3 Schedule 4 Schedule 5 Timer 1 Timer 2 ON OFF ON OFF Sun 0800 1600 ---- ---- Mon 0800 1600 ---- ---- Tue 0800 1600 ---- ---- Wed 0800 1600 ---- ----  7 days of timer schedule (Sun to Sat)  2 ON/OFF events per day  Assigning timer schedule as Global (All FCUs), group (Groups of FCU) or individual (one FCU)  Manually On/Off can always override the timer schedule

87. Assigning On/Off Schedule After set the 7 days programmable On/Off Timer in Timer Schedule (up to 5 Sets) Select ONE set of timer schedule in Operation Menu Enable the ‘Timer’ in order to activate the timer schedule OPERATION MENU Swing : Yes Sleep : No Schedule : 1 Timer : Enable

88. Holiday Setting All the FCU and Chiller will be turn OFF Temporally Disable all the timer schedules 10 sets of Holiday Schedules 99 days duration for each holiday FCU can be opened manually ; FCU will switch off at 00:00am for the following day if it still in holiday mode SCHEDULE SETTINGS Holiday 1 Holiday 2 Holiday 3 Holiday 4 Holiday 5 SCHEDULE SETTINGS Holiday 6 Holiday 7 Holiday 8 Holiday 9 Holiday 10

89. Set Holiday Set Holiday 1 Month : 1 Day : 25 Duration : Disable A sign [H] will be shown in Summary Page during holiday period Specify the month and date for Holiday starting period Duration for the Holiday is from 1~99 days How to set a Holiday schedule ?

90. Example Set Holiday 1 Month : 12 Day : 24 Duration : 3 Christmas Holiday : 24/12/03 ~ 26/12/03 Duration : 3 days Start from 00:00am, 24/12/03 Holiday Mode will be activated Holiday Mode will be deactivated starting from 00:00am, 27/12/03

91. New Alarm Display Faulty or Alarm is triggered An New Alarm or Alarms will pop up on the LCD [G0U0] Alarm 1 Outdoor coil Sensor missing 01/01/00 12:00am Alarm occurred Unit (FCU ID) Alarm occurred type Alarm occurred time Alarm occurred Date “Beeping” sound Backlight blinking