Hitachi RAS-1.0PNNBDH1 Installation & Maintenance Manual Download Page 1 | Manualshive

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RAS-1.0PNNBDH1

RAS-1.5PNNBDH1
RAS-2.0PNNBDH1
RAS-3.0PNNBDH1

RAS-4.0PNNBDH1

OUTDOOR UNITS

DC-INVERTER SERIES

HO2021388HA

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Summary of Contents for RAS-1.0PNNBDH1

Page 1: ... RAS 1 0PNNBDH1 RAS 1 5PNNBDH1 RAS 2 0PNNBDH1 RAS 3 0PNNBDH1 RAS 4 0PNNBDH1 OUTDOOR UNITS DC INVERTER SERIES HO2021388HA ...

Page 2: ... is designed for the following temperatures It should be operated within this range DC Inverter Unitary Series Mode Outdoor Operation Temperature Range Model Maximum Minimum Cooling Operation 1 0 4 0HP 9K 36K 118 48 5 15 Heating Operation 3 0HP 24K 75 24 13 25 1 0 1 5 2 0 4 0HP 9K 12K 18K 36K 75 24 4 20 Storage Condition Temperature 13 140 25 60 Humidity 30 80 The numbers in the model represent th...

Page 3: ...tance with no connection and don t connect multiple devices to the same AC power supply Otherwise it may result in bad contact poor insulation unallowable current which could finally result in fire or electric shock After all installations are completed check to make sure that no refrigerant leakage occurs It will generate harmful substances if the refrigerant gas leaks in the interior area and ha...

Page 4: ...onditions and these means must be incorporated in the fixed wiring in accordance with the wiring rules If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard The appliance shall be installed in accordance with national wiring regulations Servicing shall only be performed as recommended by the equipment manuf...

Page 5: ...hanger EEV Service valve Electrical Wiring Diagram Refrigerant Flow Diagram Outdoor Unit Indoor Unit Terminal Terminal Power Supply Power Connecting Cord 1 0 1 5 2 0 3 0 4 0HP 9K 12K 18K 24K 36K SI SI L L N N L2 L1 NOTE Since there may be differences in some models terminal blocks wiring connection should be done according to letters on the terminal block Please disregard numbers in this case ...

Page 6: ...required for the affected device Install the unit horizontally Please install it in an area not affected by snowfall or blowing snow In areas with heavy snow please install a canopy a pedestal and or some baffle boards Avoid the following places for installation where air conditioner trouble is liable to occur Where there is much machine oil Salty places such as seaside Where sulfide gas is genera...

Page 7: ... avoid disturbing neighbors and to protect the environment it is necessary to install a drainage elbow and a drain hose to drain out the condensate water Please do the drainage work before the indoor unit and outdoor unit are connected Otherwise it will be difficult to install drainage elbow after the machine becomes immovable Connect the drain hose field supplied nside diameter i 5 8 in 15mm as s...

Page 8: ...itional refrigerant charge L 24 6 0 161 oz ft For 2 0 4 0HP 18K 36K Additional refrigerant charge L 24 6 0 376 oz ft Refrigerant Piping Model Outer Diameter of Pipe in mm Gas Liquid 1 0 1 5HP 9K 12K ø3 8 ø9 52 ø1 4 ø6 35 2 0HP 18K ø1 2 ø12 7 ø1 4 ø6 35 3 0HP 24K ø ø15 88 5 8 ø ø9 52 3 8 4 0HP 36K ø ø19 05 3 4 ø ø9 52 3 8 Pipe Length L Height Difference H Indoor Unit Outdoor Unit 3 Piping thickness...

Page 9: ... Good o 90 Burr Copper pipe Spare reamer Pipe cutter Flare nut Copper pipe Flaring tool Clutch type Wing nut type Die Copper pipe Flare nut Copper pipe Die York Smooth all around Inside is shining without any scratches 4 Piping Connection 1 Confirm that the valve is closed 2 Connect the indoor unit and the outdoor unit with field supplied refrigerant piping Suspend the refrigerant piping at certai...

Page 10: ... cover Using piping tape apply taping starting from the entry of outdoor unit Fix the end of piping tape with adhesive tape When piping has to be arranged through above ceiling closet or area where temperature and humidity are high wind additional commercially sold insulation for prevention of condensation 5 Air Tight Test Clamp field supplied Insulation field supplied Refrigerant pipe field suppl...

Page 11: ...rotect the wires electrical parts etc from rats or other small animals If not protected rats may gnaw at unprotected parts and at the worst a fire will occur Avoid the wiring from touching the refrigerant pipes plate edges and electrical parts inside the unit If not do the wires will be damaged and at the worst a fire will occur Install an ELB Electric Leakage Break in the power source If ELB is n...

Page 12: ...nd the transmitting cable to the conduit holder using the lock nut 3 Connect the power supply cable and the transmitting cable to terminal 4 Fasten the power supply cable and the transmitting cable with the cable clamp 5 Be sure to seal the holes when applying the putty Place the cables side to side Do not overlap the cables 6 Put the wiring distribution cover back after completion of the work Loc...

Page 13: ...e any trouble please contact local technical service center of our company for further information CAUTION Installation instructions Trial Run 11 NOTE 1 Follow local codes and regulations when selecting field wires and all the above are the minimum wire size 2 Use copper supply wires 3 When the transmitting cable is longer than 49 ft 15m a larger wire size should be selected 4 Install main switch ...

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Page 16: ...ithout notice in order that Hitachi Johnson Controls Air Conditioning Inc may bring the latest innovations to their customers 2021 Johnson Controls Air Conditioning Inc Hitachi 2021 03 Version A Printed in China Hitachi Johnson Controls Air Conditioning Inc ...

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