Hitachi RAC-AJ10PCASM, Installation & Operation Manual

Page 1: ...MODEL RAK AJ10PCASM RAC AJ10PCASM RAK AJ13PCASM RAC AJ13PCASM RAK AJ18PCASM RAC AJ18PCASM RAK AJ24PCASM RAC AJ24PCASM HI2022480HA INSTALLATION OPERATION MANUAL ...

Page 2: ... installation 14 17 Select the installation locations 14 Maintenance 16 16 17 Troubleshooting Protection 8 1 Safety instructions Remote controller instructions 15 16 16 Connecting of the cable Outdoor unit installation 16 Air purging Wiring diagram Remote controller operating instructions See remote controller instructions Contents ...

Page 3: ...will be further specified in following pages Signal transmit Dry indicator Fan only indicator Heating indicator Cooling indicator Higher fan speed High fan speed Medium fan speed Low fan speed Lower fan speed Display temperature Display set timer Display current time Auto fan speed Smart indicator ON OFF Used to adjust the room temperature and the timer also real time Sleep indicator 16 15 MUTE BU...

Page 4: ...r aim the remote controller to the signal receptor The remote controller will operate the air conditioner at a distance of up to 7m when pointing at signal receptor of indoor unit Remote controller Remote controller Signal receptor CAUTIONS For appropriate signal transmission between remote controller and indoor unit keep the signal receiver away from the following items Direct sunlight or other s...

Page 5: ...emperature setting by 1 Range of available set temperature HEATING COOLING Turning on SWING SMART TIMER ON TIMER OFF CLOCK SLEEP operation modes will be specified in the following pages and SUPER Press ON OFF button when the appliance receives the signal the RUN indicator of the indoor unit lights up Changing modes during operation sometimes the unit does not response at once Wait 3 minutes Wait 3...

Page 6: ...heat pump models Airflow direction control Vertical airflow control with the remote controller Using remote controller to set various angles of flow or specific angle as you like Swinging airflow Pressing button once the vertical adjustment louver will swing up and down automatically Desired direction airflow Pressing the button again when the louvers swing to a suitable angle as desired Horizonta...

Page 7: ...R ON button when you go out in the morning to achieve a comfortable room temperature at the time you get home You can also set timer off at night to enjoy a good sleep Operation instructions How to set TIMER ON Increase Decrease i CLOCK button You can adjust the real time by pressing CLOCK button then using and buttons to get the correct time press CLOCK button again the real time is set When your...

Page 8: ...SLEEP button cancel SLEEP mode SLEEP mode For some models such as G1Q series Set temperature will rise by 2 if the appliance operates in cooling at most mode for 2 hour constantly then keeps steady Set temperature will decrease by 2 at most if the appliance operates in heating mode for 2 hours constantly then keeps steady TURBO mode mode can be set when the appliance is in operation or energized T...

Page 9: ...ON OFF MODE TEMP FAN SPEED SLEEP QUIET or ECONOMY button to cancel ECONOMY mode buttons are not available in mode Note PRESS PRESS The temperature sensor built in remote controller is activated It can sense its surrounding temperature and transmit the signal back the unit the unit can adjust the temperature so as to provide maximum comfort Note Advice to put the remote controller in the place wher...

Page 10: ...en supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be made by children without supervision 16 The batteries in remote controller must be recycled or disposed of properly Disposal of Scrap Batteries Please discard the batteries as sorted municipal waste at ...

Page 11: ...rect power supply inaccordance with the rating plate requirement Otherwise serious faults or hazard may occur or a fire maybe break out Keep the power supply circuit breaker or plug from dirt Connect the power supply cord to it firmly and correctly lest an electric shock or a fire break out due to insufficient contact OFF ON It is harmful to your health if the cool air reaches you for a long time ...

Page 12: ...nufacturer s maintenance and service guidelines shall be followed If in doubt consult the manufacturer s technical department for assistance The following checks shall be applied to installations using flammable refrigerants The charge size is in accordance with the room size within which the refrigerant containing parts are installed The ventilation machinery and outlets are operating adequately ...

Page 13: ...uipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed and the appropriate percentage of gas 25 maximum is confirmed Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe work If a leak ...

Page 14: ...closed off k Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked 15 Labelling Equipment shall be labelled stating that it has been de commissioned and emptied of refrigerant The label shall be dated and signed Ensure that there are labels on the equipment stating the equipment contain flammable refrigerant 16 Recovery When removing re...

Page 15: ...k shall be kept to a 2 a room with a floor area largerthan 10 m The pipe work shall be complianced with national gas regulations The maximum refrigerant charge amount is 2 5 kg The specific refrigerant charge is based on the nameplate of the outdoor unit Mechanical connectors used indoors shall comply with ISO 14903 When mechanical connectors are reused indoors sealing parts shall be renewed When ...

Page 16: ...less than 5m Height should Model 5K 18K 5 15 Max allowed pipe length without additional refrigerant m Limit of length m pipe 21K 25K 28K 36K 5 15 5 15 5 20 Limit of Elevation Difference H m Required amount of additional refrigerant g m 5 30 5 40 Indoor unit installation 1 Installing the Mounting Plate Decide an installing location for the mounting plate according to the indoor unit location and pi...

Page 17: ...m or 70 75N m Note Piping connection should be conducted on outdoor side For Inverter appliance For ON OFF appliance Note The unit of 12K 18K 24K 36K is bigger than the unit of 12K 18K 24K 36K Pipe size Model Liquid Side 1 4 inch φ6mm or 5 12K 13 18K 21 24K 12 14 15 18K K 18K 22 24K 28 30 36K 18K 22 24 28 30 36K 36K 5 10K 12K 15 20N m 17mm 0 5mm 0 6mm 0 6mm 0 6mm 0 6mm 22mm 24mm 22mm 27mm 30 35N m...

Page 18: ...r 18K 30K 2 1 5 2 5mm X3 H05VV F 2 1 5 2 5mm X4 H07RN F H07RN F 2 5 X3 2 4 0mm To outdoor 24K 36K H05RN F H07RN F 14K 24K H05RN F 2 0 75mm X2 Heat pump Optional 18K 30K H07RN F 1 5 X5 2 mm To outdoor H05RN F 2 0 75mm X4 24K 36K H05RN F 2 0 75mm X2 Heat pump H05RN F H07RN F 2 1 0mm X4 2 0 75mm X4 H05RN F 2 0 75mm X2 Heat pump Optional Wiring diagram Warning Before obtaining access to terminals all ...

Page 19: ...ure max 32 27 min 21 7 Outdoor temperature max note 24 min note note 15 Drying operation 32 18 43 21 NOTE Optimum performance will be achieved within these operating temperature If air conditioner is used outside of the above conditions the protective device may trip and stop the appliance Normally the outdoor max temperature is 43 but some models will be achieved 46 48 or 50 For Tropical T3 Clima...

Page 20: ...ation 3 minutes will delay Peculiar odor This odor may come from another source such as furniture cigarette etc which issucked in the unit and blows out with the air A sound of flowing water Caused by the flow of refrigerant in the air conditioner not a trouble Defrosting sound in heating mode Cracking sound is heard The sound may be generated by the expansion or contraction of the front panel due...

Page 21: ...Emergency button A Pressing this button can let the AC run or stop A The symbol may be different from your model but the button is similar 19 ...

Page 22: ...ithout notice in order that Hitachi Johnson Controls Air Conditioning Inc may bring the latest innovations to their customers 2022 Hitachi Johnson Controls Air Conditioning Inc 2022 05 Version A Printed in China Hitachi Johnson Controls Air Conditioning Inc ...