KEY OPTION
56 57
Entry After Pressing
K4 for 5 Seconds
Display Details Display Value Applicable Model
0time
Main MICOM
Version
Version (ex. 0912)
RDSSSMSSSS series
1time
Inverter
MICOM Version
Version (ex. 0912)
2times EEP ROM Version Version (ex. 0912)
AMSSSSSMSSS
series
3times
Auto-Designating
Address of Indoor
Unit
SEG1 SEG2 SEG3,4
Indoor unit: "A" Indoor unit: "0" Address (ex:05)
4times
Auto-Designating
Address of Indoor
Unit
SEG1 SEG2 SEG3,4
Indoor unit: "A" Indoor unit: "0" Address (ex:01)
S/W
Function (Communication Tracking)
K5
ON
Manually setting address of indoor unit (default)
OFF
Automatically setting address of indoor unit
▶ K5: Auto/Manual Address Setting [Applicable Only to RD***M**** Model]
S/W
Function (Snowdrift Protection Control)
K6
ON No use of snowdrift protection control function (default)
OFF Use of snowdrift protection control function
▶ K6: Option for Snowdrift Protection Control [Common to All Models]
※
When the snowdrift protection control function is set to ON, the outdoor fan operates once for a minute every 30 minutes
when the air conditioner is running under 5 ℃.
▶ K11, K12: Cooling Capacity Option →Use to adjust the cooling capacity. [Common to all models]
※
The cooling operation raises the frequency when the current pressure is lower than the target pressure, or in the opposite case,
lowers the frequency. When the target pressure is high, the discharge air temperature of the indoor unit increases along with an increase in energy consumption.
※
It is recommended you keep the factory shipping settings. Please proceed with the adjustment when you wish to lower the energy consumption or
the cooling is not satisfactory.
As the target pressure decreases, the energy consumption and noise are reduced and also, the air discharge temperature of indoor unit decreases.
S/W
Function (Snowdrift Protection Control)
K11 K12
ON ON No adjustment for target pressure (default)
ON OFF 90 %
OFF ON 95 %
OFF OFF 110 %
▶ K7, K8: Setup Value Change Option for Cooling Target Evaporation Temperature [Common to All Models]
※
Please raise the setting values by improving performance while referring to the performance data of long-pipe cooling from the Technical Data Book.
※
In the case of short-piping, an unpleasant feeling can be felt from the low discharge air temperature of the indoor unit when the performance is raised arbitrarily.
This is an option for compensating performance in case of long-piping installation.
Please try not to use this function for other purposes.
S/W
Function (Snowdrift Protection Control)
K7 K8
ON ON 7 ~ 9 ℃ (factory shipment setting)
ON OFF 5 ~ 7 ℃
OFF ON 9 ~ 11 ℃
OFF OFF 10 ~ 12 ℃
▶ K9, K10: Silent night option. It is possible to run the unit quietly at nighttime by lowering the outdoor FAN RPM
[common to all models]
S/W
Function (Snowdrift Protection Control)
K9 K10
ON ON No use of silent night function (default)
ON OFF STEP - 1
OFF ON STEP - 2
OFF OFF STEP - 3
▶ K15, K16 : Defrost Option → when it is desired to change the entry condition of defrosting.
Switch
Function
K15 K16
ON ON MID
OFF ON LOW1
OFF OFF LOW2
※
※
※
The defrost function operates when the temperature difference between outdoor temperature and outdoor heat exchanger temperature is beyond a certain level.
The factory shipping setting is MID. The frost operating temperature gets lowered when changing the option to LOW.
When lowering the temperature of defrosting operation, it has the advantage of lower operation time.
However since it lengthens the operation time after being frozen, the cooling performance is lowered and therefore, the operation time increases.
Use when you wish to adjust the option in the humid area where the defrost function is used quite frequently.
It is recommended you keep the factory shipping settings.
▶ K13, K14: Current Limiting Option → Use this function when you wish to adjust the current.
Switch Function
K13 K14 3.5~4.0HP 5.0HP 5.0~7.5HP
ON ON Default Default Default
ON OFF Maximum current - 4(A) Maximum current - 2(A) Maximum current - 2(A)
OFF ON Maximum current - 6(A) Maximum current - 4(A) Maximum current - 4(A)
OFF OFF Maximum current - 8(A) Maximum current - 6(A) Maximum current - 6(A)
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