Hitachi RAC-08PH1, Руководство по обслуживанию, Страница: 34 / 114

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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 r
eaches 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 spee
d is changed to "Hi" during heating.
(2) The maximum compressor speed period during hot dash
is finished ① when the room temperature reaches the h
eating set temperature (including heating shift) plus SF
TDSW or ② when the thermo is off.
(3) The thermo OFF temperature during hot dash is heat
ing set temperature (including heating shift) plus 3℃
.
After thermo OFF, hot dash finishes, and fuzzy control s
tarts.
(4) The compressor minimum ON time and minimum OFF tim
e is 3 minutes.
(5) The time limit for which the maximum compressor sp
eed (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 fr
esh defrosting.
(7) For preheating judgment, preheating starts if the h
eat exchange temperature is lower than YNEOFC and is c
ancelled 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 be
low. 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 ope
ration restarts. However, the ultra-Lo operation during
preheating or preheating after
defrosting does not stop if the room temperature is le
ss 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 f
an operates in the "Ultra-Lo" mode.
This operation is for discharging heat from the i
ndoor unit.
**
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34