Table on Shifting Frequency ZoneTemperature, X (°C) Zone Frequency No. Shifting:(Intake Air - Internal Setting) Cooling Mode / Soft Dry Mode Heating ModeX -2.5 0 Shift to Freq. MIN Shift to Freq. MAX-2.5 X -1.5 1 Shift to Freq. MIN Shift to Freq. MAX-1.5 X -1.0 2 -2 Freq. No. +2 Freq. No.-1.0 X -0.5 3 -1 Freq. No. +1 Freq. No.-0.5 X +1.0 4 Same Freq. No. Same Freq. No.+0.5 X +1.0 5 +1 Freq. No. -1 Freq. No.+1.0 X +1.5 6 +2 Freq. No. -2 Freq. No.+1.5 X +2.5 7 Shift to Freq. MAX Shift to Freq. MINX +2.5 8 Shift to Freq. MAX Shift to Freq. MINBesides, the range of operation frequency will change according to the setting environment as listed below:Condition: Freq. no. for E9CKP Freq. no. for E12CKP/E15CKP RemarksMIN MAX MIN MAXCooling Mode 1 15 1 16 (a)- if remote controller set 28°C & fan speed =Hi7 15 7 16 (a), (c)- if remote controller set 28°C & fan speed =Me-, Me, Me+, Auto5 15 6 16 (a), (c)- if remote controller set 28°C & fan speed =Lo4 15 5 16 (a), (c)- if Powerful Mode ON 7 15 7 16 (a), (c)Soft Dry Mode 4 7 4 8Heating Mode 1 30 1 30 (b)- if remote controller set 18°C & fan speed =Hi10 30 10 30 (b), (d)- if remote control set 18°C & fan speed =Me-, Me, Me+, Auto9 30 9 30 (b), (d)- if remote controller set 18°C & fan speed =Lo8 30 8 30 (b), (d)- if Powerful Mode ON 10 30 10 30 (b), (d)Remark:(a) If frequency decreases from MAX, the following frequency performed will be depending to outdoor temperature, as given in below table(for 30 seconds only) and then continues as normal rule.Outdoor Temperature, X (°C) Frequency No.X 30 13X 30 7(b) (If frequency increases from Freq. No. 17, the following frequency performed is as below (for 30 seconds only) and then continue asnormal rule.Outdoor Temperature, X (°C) Frequency No.X 10 10X X 10 13X 4 17(c) When temperature different (intake - setting) < -1.0 °C or Thermo-Off activated and only valid for 120 seconds; not applicable during SoftDry Mode, and Anti-freezing control.(d) When temperature different (intake - setting) > +1.5 °C or Thermo-Off activated and only valid for 130 seconds.16CS-E15CKP CU-E15CKP5