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Advanced Features: 

Auto-Restart After Power Failure: 

Should a power failure occur whilst the air conditioning system is running, the controller will restart  
the air conditioner in the same mode when the power is restored as it was prior to the power failure. 

Temperature Display: 

The ACCS-1 is capable of displaying the set point or the room temperature on the LCD display. The 
factory default is to display set point temperature. In this mode the set point temperature is displayed 
only. When room temperature is selected, the room temperature is shown until the temperature up or 
down buttons is pressed then the set point temperature will be shown for 15 sec. After the 15 seconds 
the display reverts back to room temperature. 

Integrated Zoning System: 

The ACCS-1 integrated zoning system is capable of controlling up to 4 zones as standard. This allows 
the occupant full control, of which area or areas of the house or office that they wish to air condition, 
therefore reducing power consumption and hence operating costs over time.  

Auto Defrost Function: (Heating Mode) 

At certain outdoor conditions (low temperature) there may be a build up frost on the outdoor heat 
exchanger. This gradual build up of frost reduces the performance of the air conditioner. The ACCS-1 
detects this frost build up and will automatically activate the defrost mode.  

Hot Start Function: (Heating Mode, Optional) 

When the air conditioning system cycles on in heating mode, the indoor fan is delayed for a short 
period of time, this allows the indoor heat exchanger to warm up before the air flow starts, thus 
preventing cold drafts. The hot start feature also activates itself when the system finishes defrosting, 
enhancing occupant comfort. 

7-Day programmable time clock: 

ACCS-1_UM v1    

 

                     Copyright © 2005 MJB Controls Pty Ltd All Rights Reserved 

Proudly Designed and Manufactured in Australia                                                                                       Page 2 of 6 

The ACCS-1 is equipped with a programmable 7-Day time clock. This feature is used when you might 
wish to turn on and off the Air Conditioning System at the same time during multiple days of the week. 
For example, you might wish to have your house cool by the time you get home from work. So instead 
of leaving it on all day or coming home to a hot house, you just program the time into the wall 
controller of the ACCS-1 to turn it on at say 5 PM so your house is at the correct temperature for when 
you get home. You could also set it to turn the Air Conditioning system off at say 1 AM when the 
outside temperature has reduced and cooling is no longer needed. You can do this every day of the 
week, Monday to Friday only or Weekends only (Saturday and Sunday). Obviously, if it’s cold outside 
the reverse is true. 

Summary of Contents for ACCS-1

Page 1: ...um system efficiency whilst maintaining an easy to use user interface The ACCS 1 will provide you with years of trouble free operation and is covered by a 12 month warrantee against faulty components and workmanship Contents Advanced Features Page 2 Wall Controller Functions Setting the time Page 3 Setting the date Page 4 System Operation Manual Operation Cooling Page 4 Manual Operation Heating Pa...

Page 2: ...ir conditioner The ACCS 1 detects this frost build up and will automatically activate the defrost mode Hot Start Function Heating Mode Optional When the air conditioning system cycles on in heating mode the indoor fan is delayed for a short period of time this allows the indoor heat exchanger to warm up before the air flow starts thus preventing cold drafts The hot start feature also activates its...

Page 3: ...one 3 10 Press to activate Zone 4 Please note that the Air Conditioning System must be turned on to set any of the following options Setting the Time 1 Press the PROGRAM button to place the wall controller in program mode 2 Press the UP DOWN buttons until the wall controller says SET CLOCK 3 Press the ENTER button to enter clock set mode 4 Press the UP DOWN buttons the set the desired hour then pr...

Page 4: ...ystem off Manual Operation Heating 1 Press the ON button 2 Press the MODE button until HEAT is shown on the LCD 3 Press the UP DOWN buttons to the desired temperature setting 4 Press the FAN button to the desired fan speed Hi Mid Low or alternatively set the fan to AUTO mode if you would like the ACCS 1 to adjust the fan speed for you 5 Press the OFF button to turn the system off Auto Operation Au...

Page 5: ... 10 T1 OFF time will now need to be set 11 Press the UP DOWN buttons to set the desired hour then press ENTER 12 Press the UP DOWN buttons to set the desired minutes then press ENTER 13 Should you wish to clear cancel the timer function press the UP DOWN buttons until T1 CLR is displayed This means you have cleared cancelled the timer The time clock has a total of 4 timers this allows for 4 differ...

Page 6: ...er and Condenser Evaporator Controller System runs but intermittently stops trips out Check Fault log and rectify then clear log Fault is showing on the LCD Check Fault log and rectify then clear Log EE showing on LCD screen in place of Temperature reading Wall Controller Temperature probe Fault Replace Wall Controller CONDENSER COMMS FAULT scrolling on LCD Incorrect wiring or faulty Condenser Con...

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