Hitachi RAC-50NX2, Руководство по обслуживанию

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Notes:
(1) Hot dash is engaged if the difference between the room temperature and set temperature is equal to that between the room temperature, at which the compressor reaches maximum speed, and set temperature (△TWMAX), and the room and outdoor
temperatures are less than 10℃; when the fan speed is "auto", operation is started at "Hi", or the fan speed is changed to "Hi" during heating.
(2) The maximum compressor speed period during hot dash is finished ① when the room temperature reaches the heating set temperature (including heating shift) plus SFTDSW or ② when the thermo is off.
(3) The thermo OFF temperature during hot dash is heating set temperature (including heating shift) plus 3℃. After thermo OFF, hot dash finishes, and fuzzy control starts.
(4) The compressor minimum ON time and minimum OFF time is 3 minutes.
(5) The time limit for which the maximum compressor speed (WMAX) or (WMAX2) during normal heating (except for hot dash) can be maintained is less than 120 minutes when the room temperature is 18℃ or more; it is not provided when the room
temperature is less than 18℃ and outdoor temperature is less than 2℃.
(6) The operation indicator blinks every second during initial cycle operation, preheating, defrosting (including balance time after defrosting is finished), or auto fresh defrosting.
(7) For preheating judgment, preheating starts if the heat exchange temperature is lower than YNEOFC and is cancelled if the heat exchange temperature is YNEOF plus 0.33℃ or higher at the start of operation using the START / STOP button.
(8) During the operation at the fan speed of "Lo" or "Silent", the compressor speed is set to WBEMAX or below. It is restricted to WJKMAX or below when the fan speed is "Med".
(9) If the outdoor temperature (data from outdoor unit) is 6℃ or more, the maximum compressor speed is WSTD.
(10) If the room temperature falls to less than 18℃ in the "Ultra-Lo" mode, the indoor fan stops. When the room temperature is 18℃+0.33℃ or more, the ultra-Lo operation restarts. However, the ultra-Lo operation during preheating or preheating after
defrosting does not stop if the room temperature is less than 18℃.
(11) WMAX2 is used as the maximum compressor speed during hot dash, when the outdoor temperature is less than -5℃.
(12) With thermo OFF or in approximately 1 minute after operation is stopped using the remote controller, the fan operates in the "Ultra-Lo" mode.
This operation is for discharging heat from the indoor unit.
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