Hitachi UTOPIA RAS-4HVRP2E - Change the Opening Degree of the Expansion Valve (Si); Priority Capacity Mode Setting (Nu); Priority Cooling Capacity Mode (Hc); Priority Heating Capacity Mode (Hh)

6 Optional functions
RAS-3HVRC2
SMGB0136 rev.0 - 07/2021
118
6.1.3.7 SLo defrost setting (bJ)
Press PSW1 and select the settings condition “0” to “1” at the SLo defrost setting “bJ”.
The indoor fan stops during the defrost operation and starting of heating operation. However, the indoor fan can operate
at low speed during the defrosting operation and starting of heating operation.
Setting
condition
Indoor fan operation
At Start of Compressor Operation in Heating Operation During Defrost Operation After Defrost Operation
0 STOP STOP STOP
1 STOP SLo Speed SLo Speed
? NOTE
Theindoorfanmayoperateatotherspeeddependingonoutletairtemperatureoftheindoorunit.
6.1.3.8 Priority capacity mode setting (nU)
Press PSW1 and select the setting condition “0” to “3” at the priority capacity mode setting “nU”. By setting this function,
the target frequency, current limit of the compressor and the maximum indoor fan motor step are set higher.
? NOTE
• Donotusethesettingcondition“2”and“3”unlessthepowersupplywiringisofsufcientampacity,becausethetargetfrequencyand
currentlimitofthecompressorduringtheoperationaresethigher.
• Level1<level2<level3.
Setting condition Operation mode
0 Not available (default setting)
1 Correctly Cooling Capacity Mode 1
2 Correctly Cooling Capacity Mode 2
3 Correctly Cooling Capacity Mode 3
6.1.3.9 Priority Cooling Capacity mode (Hc)
By setting the priority cooling capacity mode “Hc” to “1” in the function selection, the upper frequency and target
frequency of the compressor can be set higher than normal.
The upper frequency and the target frequency of the compressor can be set higher than usual. However, the upper
frequency may not be higher in some models due to the relationship with the upper frequency.
6.1.3.10 Priority Heating Capacity mode (Hh)
By setting the heating capacity priority mode “Hh” to “1” in the function selection, the upper frequency and target
frequency of the compressor can be higher than normal.
The upper frequency and target frequency of the compressor can be set higher than usual. However, some models may
not have a higher upper frequency due to the relationship with the upper frequency.
6.1.3.11 Change the opening degree of the Expansion Valve (Si)
By setting the heating stop unit opening degree change “Si” to “1” or “2” in the function selection, the expansion valve
opening degree of the Expansion Valve of the indoor unit can be changed.
Setting condition Operation mode
0 Not available (default setting)
1 Indoor Expansion Valve Opening during Heating Operation Stoppage 1
2 Indoor Expansion Valve Opening during Heating Operation Stoppage 2