User manual HITACHI RAC25NH4
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Manual abstract: user guide HITACHI RAC25NH4
Detailed instructions for use are in the User's Guide.
[. . . ] RAC25NH4/RAK25NH4 RAC35NH4/RAK35NH4 RAC50NH4/RAK50NH4
RAK25NH4 RAK35NH4 RAK50NH4 RAC25NH4 RAC35NH4 RAC50NH4
SAFETY PRECAUTION
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Please read the "Safety Precaution" carefully before operating the unit to ensure correct usage of the unit. The "Warning" section contains matters which, if not observed strictly, may cause death or serious injury. The "Caution" section contains matters which may result in serious consequences if not observed properly. The sign indicate the following meanings.
Make sure to connect earth line.
Indicates the instructions that must be followed. [. . . ] The (OFF) mark starts lighting instead of flashing and the sign (RESERVED) lights. A beep occurs and the (TIMER) lamp lights on the indoor unit.
PM
Example: The device will turn off at 11:00p. m. The setting of turn-off time is now complete.
2 Set the turn-on time with the
TIMER control button.
3 Point the signal window of the remote controller toward the indoor unit, and
press the (RESERVE) button. The (ON) mark starts lighting instead of flashing and the (RESERVED) sign lights. A beep occurs and the (TIMER) lamp lights on the indoor unit.
Example: The device will automatically turn on earlier so that the preset temperature can be reached at 7:00 a. m. The setting of the turn-on time is now complete.
AM
AM
Set the turn-on time with the TIMER control button.
4
Point the signal window of the remote controller toward the indoor unit, and press the (RESERVE) button. The (ON) mark starts lighting instead of flashing and the (RESERVED) sign lights. A beep occurs and the (TIMER) lamp lights on the indoor unit.
PM
5
PM
AM
AM
Example: The device will turn off at 10:30 p. m. and then automatically turn on earlier so that the preset temperature can be reached at 7:00 a. m. The settings of the turn-on/off times are now complete.
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The timer may be used in three ways: off-timer, on-timer, and ON/OFF (OFF/ON)-timer. As the time settings are stored in memory in the remote controller, you only have to press the (RESERVE) button in order to use the same settings next time.
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HOW TO SET THE SLEEP TIMER
Set the current time at first if it is not set before (see the pages for setting the current time). Press the (SLEEP) button, and the display changes as shown below.
Mode
H
Indication
41
Sleep timer
hour
42
hours 4 3 hours Sleep timer off 1
47
hours
SLEEP
Sleep Timer: The device will continue working for the designated number of hours and then turn off. Point the signal window of the remote controller toward the indoor unit, and press the SLEEP button. When the sleep timer has been set, the display indicates the turn-off time. Example: If you set 3 hours sleep time at 11:38 p. m. , the turn-off time is 2:38 a. m.
H
Sleep timer
Start
The device will be turned off by the sleep timer and turned on by on-timer.
1 Set the ON-timer. 2 Press the (SLEEP) button and set the sleep timer.
AM
For heating: In this case, the device will turn off in 2 hours (at 1:38 a. m. ) and turn on early so that the preset temperature will be almost reached at 6:00 next morning.
H
AM
How to Cancel Reservation
Point the signal window of the remote controller toward the indoor unit, and press the (CANCEL) button. The (RESERVED) sign goes out with a beep and the (TIMER) lamp turns off on the indoor unit.
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Explanation of the sleep timer The device will control the FAN SPEED and room temperature automatically so as to be quiet and good for people's health. The FAN SPEED and room temperature will be controlled as shown below.
Operation with the sleep timer
Function
The room temperature will be controlled 5°C below the temperature and the FAN SPEED will be set to LOW setting 30 minutes after the setting of the sleep timer.
Operation
5°C
Heating " "
Sleep timer set 30 minutes later 2 hours later 7 hours later
1 hour later
3 hours later
Cooling " and dehumidifying " " "
The room temperature will be controlled 2°C above the temperature and the FAN SPEED will be set to LOW setting 30 minutes after the setting of the sleep timer.
2°C
Sleep timer set
6 hours later 2 hours later 7 hours later 3 hours later
30 minutes later
Fan " "
The settings of room temperature and circulation are varied.
NOTE
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If date or current time is not set, sleep timer can not be set. If you set the sleep timer after the off-, on/off- or off/on-timer has been set, the sleep timer becomes effective instead of the off-, on/off- or off/on-timer set earlier. After sleep timer time is up and when press sleep button again, the sleep timer will be set as last setting. Sleep timer effective only once.
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ADJUSTING THE AIR DEFLECTOR
1
Adjustment of the conditioned air in the upward and downward directions. The horizontal air deflector is automatically set to the proper angle suitable for each operation. [. . . ] Be sure to hold the front panel with both hands to detach and attach it.
Removing the Front Panel
Attaching the Front Panel
Arm
Projection Hole
Flange
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When the front panel is fully opened with both hands, push the right arm to the inside to release it, and while closing the front panel slightly, put it out forward.
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Move the projections of the left and right arms into the Flanges in the unit and securely insert them into the holes.
!CAUTION
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Do not splash or direct water to the body of the unit when cleaning it as this may cause short circuit. Never use hot water (above 40°C), benzine, gasoline, acid, thinner or a brush, because they will damage the plastic surface and the coating.
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!CAUTION
Cleaning and maintenance must be carried out only by qualified service personal. [. . . ]
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