Installation guide

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ENGLISH
FAN Maximum RPM of each step
Master unit PCB DIP switch on : No.5
Select the mode using ‘▶’, ‘◀’ Button :
“Func” Push the ‘●’ button
Select the Function using ‘▶’, ‘◀’ Button :
“Fn2” Push the ‘●’ button
Select the Option using ‘▶’, ‘◀’ Button :
“op1~op7” Push the ‘●’ button
Start the Static pressure compensation mode :
Save the selected option value in EEPROM
Chassis UXA UXB
Max. RPM
Standard 880 1 000
Overload / Low
Temperature
1 000 1 150
op1 860 950
op2 840 900
op3 820 850
op4 800 800
op5 780 750
op6 760 700
op7 740 650
Master unit PCB DIP switch on : No.5
Select the mode using ‘▶’, ‘◀’ Button :
“Func” Push the ‘●’ button
Select the Function using ‘▶’, ‘◀’ Button :
“Fn3” Push the ‘●’ button
Select the Option using ‘▶’, ‘◀’ Button :
“op1~op12” Push the ‘●’ button
Start the Night low noise function :
Save the selected option value in EEPROM
Time Settings
Step Judgment Time(Hr) Operation Time(Hr)
op1 8 9
op2 6.5 10.5
op3 5 12
op4 8 9
op5 6.5 10.5
op6 5 12
op7 8 9
op8 6.5 10
op9 5 12
op10 Continuous operation
op11 Continuous operation
op12 Continuous operation
Noise
Chassis UXA UXB
Capacity 8~12 hp 14~20 hp 22~26 hp
Step Noise(dBA)
op1~op3, op10 55 59 60
op4~op6, op11 52 56 57
op7~op9, op12 49 53 55
CAUTION
!
• Request installer to set the function during installation.
• If ODU RPM changes, cooling capacity may go down.
Master unit PCB DIP switch on : No.5
Select the mode using ‘▶’, ‘◀’ Button :
“Func” Push the ‘●’ button
Select the Function using ‘▶’, ‘◀’ Button :
“Fn4” Push the ‘●’ button
Select the Option using ‘▶’, ‘◀’ Button :
“on”~“oFF” Push the ‘●’ button
Overall defrost mode is set
Mode setting
- on: Operate overall defrost
- off: Operate partial defrost
CAUTION
!
• Ask an authorized technician to setting a function.
Master unit PCB DIP switch on : No.5
Select the mode using ‘▶’, ‘◀’ Button :
“Func” Push the ‘●’ button
Select the Function using ‘▶’, ‘◀’ Button :
“Fn5” Push the ‘●’ button
Select the Option using ‘▶’, ‘◀’ Button :
“0”~“255” Push the ‘●’ button
ODU address is set
Setting the ODU address
Mode setting method
Overall defrost mode
Mode setting method
Night Low Noise Function
In cooling mode, this function makes the ODU fan operate at low RPM
to reduce the fan noise of ODU at night which has low cooling load.
Night low noise function setting method
High Static Pressure Compensation mode
This function secures the air flow rate of ODU, in case static pressure
has been applied like using duct at fan discharge of ODU.
Static pressure compensation mode setting method