manualshive.com logo in svg

Hitachi RAC-50YHA2, Instruction Manual, Page: 22 / 24

Share
Download
Hitachi RAC-50YHA2 Instruction Manual Download Page 22

– 22 –

1

2

3

REGULAR INSPECTION

PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONAL EITHER
EVERY  HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.

Is the earth line disconnected or broken?

Is the mounting frame seriously affected by rust and is the
outdoor unit tilted or unstable?

Is the plug of power line firmly plugged into the socket?
(Please ensure no loose contact between them).

Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning,
stop operation and switch off the power supply.

!

CAUTION

Confirm

3.   MAINTENANCE AT BEGINNING OF LONG OFF PERIOD

●

Running the unit setting the operation mode to
(FAN) and the fan speed to HI for about half a day
on a fine day, and dry the whole of the unit.

●

Switch off the power plug.

Air

Blow

(EN2) RAS/RAC-50/60YHA2

12/24/08, 10:52

22

Summary of Contents for RAC-50YHA2

Page 1: ...AC 50YHA2 RAS 60YHA2 RAC 60YHA2 INDOOR UNIT RAC 50YHA2 Instruction manual Page 1 24 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely RAS 50YHA2 RAS 60YHA2 OUTDOOR UNIT RAC 60YHA2 EN1 RAS RAC 50 60YHA2 12 24 08 10 51 1 ...

Page 2: ...exists Do not install near location where there is flammable gas The outdoor unit may catch fire if flammable gas leaks around it Please ensure smooth flow of water when installing the drain hose CAUTION PRECAUTIONS DURING OPERATION Avoid an extended period of direct air flow for your health W A R N I N G Do not insert a finger a rod or other objects into the air outlet or inlet As the fan is rota...

Page 3: ...e on the air deflector and drips down occasionally This will wet your furniture Therefore do not operate under such condition for a long time If the amount of heat in the room is above the cooling or heating capability of the unit for example more people entering the room using heating equipments and etc the preset room temperature cannot be achieved This appliance is not intended for use by young...

Page 4: ...er drain to outside Connecting cord and insulation pipe for piping Air inlet Back and Left side Air outlet NOTE In case of removing the air cleansing filters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes slower when the air cleansing filters are used So set the fan speed to HIGH when using it in this condition Air cleansing filters are w...

Page 5: ...ILTER lamp lights to indicate that it is time to clean the filter The lamp goes out when the AUTO SWING button is pressed while the device is on STANDBY MODE OPERATION LAMP This lamp lights during operation The OPERATION LAMP flashes in the following cases during heating 1 During preheating For about 2 3 minutes after starting up 2 During defrosting Defrosting will be performed about once an hour ...

Page 6: ...buttons to raise or lower the temperature setting Keep pressed and the value will change more quickly TIME button Use this button to set and check the time and date RESET buttons FUNCTION selector Use this button to select the operating mode Every time you press it the mode will change from AUTO to HEAT to DEHUMIDIFY to COOL and to FAN cyclically FAN SPEED selector This determines the fan speed Ev...

Page 7: ...ntroller you only have to press the START STOP button next time Press the FUNCTION selector so that the display indicates the AUTO mode of operation When AUTO has been selected the device will automatically determine the mode of operation HEAT COOL or DEHUMIDIFY depending on the current room temperature However the mode of operation will not change when indoor unit connected to multi type outdoor ...

Page 8: ...oom temperature with the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions Press the START STOP button Heating operation starts with a beep Press the button again to stop operation As the settings are stored in memory in the remote controller you only have to press the START STOP button next time ...

Page 9: ...nit will stop emitting air as soon as the room temperature becomes lower than the setting temperature The preset room temperature may not be reached depending on the number of people present in the room or other room conditions Set the desired room temperature with the TEMPERATURE button the display indicates the setting The range of 20 26 C is recommended as the room temperature for dehumidifying...

Page 10: ...ENT Fan speed ultra slow Set the desired room temperature with the TEMPERATURE button the display indicates the setting The temperature setting and the actual room temperature may vary some how depending on conditions Press the START STOP button Cooling operation starts with a beep Press the button again to stop operation The cooling function does not start if the temperature setting is higher tha...

Page 11: ...After room temperature reaches the preset temperature the cooling operation which changes the fan speed and room temperature to obtain optimum conditions for natural healthful cooling will be performed For the cooling operation FAN OPERATION You can use the device simply as an air circulator Use this function to dry the interior of the indoor unit at the end of summer Press the FUNCTION selector s...

Page 12: ...r unit and press the CANCEL button The RESERVED sign goes out with a beep and the TIMER lamp turns off on the indoor unit 1 Set the TIME button 1 Press the OFF TIMER button The OFF mark blinks on the display 1 Press the ON TIMER button the ON mark blinks on the display 2 Set the turn off time with the TIMER control button Press the RESERVE button 3 Press the ON TIMER button so that the OFF mark li...

Page 13: ... setting of turn off time is now complete Example The device will turn off at 11 00p m Example The device will turn on at 7 00 a m The setting of the turn on time is now complete 4Set the turn on time with the TIMER control button 5 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 s...

Page 14: ...ntroller The TIMER lamp lights with a beep from the indoor unit 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 2 Press the SLEEP button and set the sleep timer The device will be turned off by the sleep timer and turned on by on timer How to Cancel Reservation Point the signal window of the ...

Page 15: ...ontal air deflector within the adjusting range shown on the right When the operation is stopped the horizontal air deflector moves and stops at the position where the air outlet closes CAUTION In Cooling operation do not keep the horizontal air deflector swinging for a long time Some dew may form on the horizontal air deflector and dew may drop Adjustment of the conditioned air in the upward and d...

Page 16: ...atteries when you do not use the remote controller for 2 or 3 months CAUTION Push and pull to the direction of arrow CIRCUIT BREAKER When you do not use the room air conditioner set the circuit breaker to OFF TEMPORARY SWITCH If the remote controller does not work due to battery failure press this switch to start and stop operation This temporary operation will be at the setting made most recently...

Page 17: ...p time in the morning This will enable you to enjoy a comfortable room temperature Please use the timer effectively Dusty air filter will reduce the air volume and the cooling efficiency To prevent from wasting electric energy please clean the filter every 2 weeks Please pay attention to the room temperature and air flow direction when operating the unit for baby children and old folks who have di...

Page 18: ...riod of time please switch off the power from the mains If the power from mains remains ON the indoor unit still consumes about 8W in the operation control circuit even if it is in OFF mode Warning To protect the whole unit during lightning please stop operating the unit and remove the plug from the socket OFF Interference From Electrical Products Caution To avoid noise interference please place t...

Page 19: ...e front panel at three arrow portion as shown in figure and close it Cleaning and maintenance must be carried out only by qualified service personal Before cleaning stop operation and switch off the power supply CAUTION CAUTION Do not bend the air cleansing filter as it may cause damage to the structure NOTE In case of removing the air cleansing filters please follow the above procedures The cooli...

Page 20: ...ng filter using vacuum cleaner If there is too much dust air filter only rinse under running tap water and gently brush it with soft bristle brush Allow filters to dry in shade 3 Re insert the air cleansing filter to the filter frame Set the filter with FRONT mark facing front and slot them into the original state After attaching the filters push the front panel at three arrow portions as shown in...

Page 21: ...h both hands to detach and attach it CAUTION 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 Removing the Front Panel When the front panel is fully opened with both hands push the right arm to the inside to relea...

Page 22: ...lug of power line firmly plugged into the socket Please ensure no loose contact between them Cleaning and maintenance must be carried out only by qualified service personal Before cleaning stop operation and switch off the power supply CAUTION Confirm 3 MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Running the unit setting the operation mode to FAN and the fan speed to HI for about half a day on a f...

Page 23: ...tted from the room air conditioner because the various odor emitted by smoke foodstuffs cosmetics and so on sticks to it So the air filter and the evaporator regularly must be cleaned to reduce the odor Please contact your sales agent immediately if the air conditioner still fails to operate normally after the above inspections Inform your agent of the model of your unit production number date of ...

Page 24: ...be observed Minimum Maximum Minimum Maximum Indoor Dry bulb C 21 32 20 27 Wet bulb C 15 23 12 19 Outdoor Dry bulb C 21 43 2 21 Wet bulb C 15 26 1 15 Note Avoid to use the room air conditioner for cooling operation when the outside temperature is below 21 C 70 F The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below Cooling Heating EN2 RAS RAC 50 60Y...

Reviews:

No comments