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Hitachi RPIH-3.0HNAUB1Q, Operation Installation Maintenance Manual, Page: 1 / 24

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Hitachi RPIH-3.0HNAUB1Q Operation Installation Maintenance Manual Download Page 1

Ceiling Ducted

Type

RPIM-0.8HNAUB1Q 

RPIM-1.0HNAUB1Q 

RPIM-1.3HNAUB1Q 

RPIM-1.5HNAUB1Q 

RPIM-1.8HNAUB1Q 

RPIM-2.0HNAUB1Q 

RPIM-2.3HNAUB1Q 

RPIM-2.5HNAUB1Q 

RPIH-3.0HNAUB1Q 

RPIH-3.3HNAUB1Q 

RPIH-4.0HNAUB1Q 

RPIH-5.0HNAUB1Q 

RPIH-6.0HNAUB1Q

This manual is exclusively prepared for 
R410A indoor unit. Please read this manual 
in conjunction with corresponding manual for 
outdoor unit.

P01974Q 

ORIGINAL INSTRUCTIONS

Summary of Contents for RPIH-3.0HNAUB1Q

Page 1: ...Q RPIM 2 0HNAUB1Q RPIM 2 3HNAUB1Q RPIM 2 5HNAUB1Q RPIH 3 0HNAUB1Q RPIH 3 3HNAUB1Q RPIH 4 0HNAUB1Q RPIH 5 0HNAUB1Q RPIH 6 0HNAUB1Q This manual is exclusively prepared for R410A indoor unit Please read this manual in conjunction with corresponding manual for outdoor unit P01974Q ORIGINAL INSTRUCTIONS ...

Page 2: ......

Page 3: ...iculties when the area near the ground is filled with this gas If that s the case please turn off the main switch immediately cut off the power supply and open the doors and windows for ventilation Put out any open flame and contact your service dealer Performing leak detection and gas tightness test with oxygen acetylene or other flammable and toxic gases may cause explosion so nitrogen is recomm...

Page 4: ...sory or mental capabilities or lack of experience and knowledge if they have been given 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 The A weighted emission sound pressure don t exceed 70 dB A Do not stamp on the ...

Page 5: ... 2 Remote Control Before Operation Operation Mode Auto Control Cleaning of Filter 7 1 Removing Filter 7 2 Cleaning Filter 7 3 Resetting Filter Indicator 8 1 If Trouble Still Remains 8 2 No Operation 8 3 Not Cooling or Heating Well 8 4 This is Not Abnormal ...

Page 6: ...6 6 7 7 7 7 7 8 8 10 10 11 12 13 13 13 14 14 14 15 16 15 Section 2 Installation Maintenance Manual Wiring for Static Pressure Protection and Control Devices Field Operation ...

Page 7: ... can consist of one outdoor unit and several indoor units Detailed configurations are stated in the corresponding installation maintenance manual for outdoor unit This heat pump type air conditioner is applicable for refrigeration heating dehumidification and air supply etc These features are controlled with a remote control option 3 Part Name 3 1 Indoor Unit Refer to Fig 3 1 Ceiling Ducted Indoor...

Page 8: ...Models 0 8 2 5 Models 3 0 6 0 Fig 3 1 Ceiling Ducted Indoor Unit ...

Page 9: ...ompressor that runs for less than 3 minutes can be brought out of service with the remote control Oil Return Operation When an indoor unit is out of service for more than 2 hours during refrigeration it will run for a few minutes automatically to prevent the detention of refrigeration oil in the indoor unit in stopped state 3 Freeze Protection during Refrigeration When the outlet air temperature o...

Page 10: ...t water of which the temperature is above approx 40 C Step 2 Whisk the water off and air dry the filter in a space exposed to no sunlight 7 3 Resetting the Filter Indicator Press the Reset key after the cleaning of filter The filter indicator FILTER disappears while the time of next cleaning of filter is set automatically 8 1 If Trouble Still Remains If the trouble still remains even after checkin...

Page 11: ...8 4 5 ...

Page 12: ...e failure to use specified materials and tools may result in explosion personal injury refrigerant leakage electrical failure or fire 6 No Tool No Tool Handsaw Phillips Screwdriver Vacuum Pump Refrigerant Gas Hose Megohmmeter Copper Pipe Bender Water Pump Pipe Cutter Brazing Kit Hexagon Wrench Spanner Charging Cylinder Gauge Manifold Cutter for Wires Gas Leak Detector Leveller Clamper for Solderle...

Page 13: ...7 2 5 Install the indoor unit as per national standard Please contact the dealer if the accessories are not delivered with machine possible ...

Page 14: ... so positioned that the indoor temperature is distributed evenly There should be no obstruction that blocks air flow indoors and at air vent Install suspension bolts as shown in Fig 4 2 For Concrete Slab 150 to 160mm Steel Insert 100 to150kg Concrete Anchor Bolt W3 8 or M10 For Steel Beam Suspension Bolt W3 8 or M10 l Beam For Wooden Beam Wooden Rib 60 to 90mm square timber Wooden Beam Suspension ...

Page 15: ...3 Installation of Indoor Unit Indoor unit is installed as shown in Fig 4 4 Installation of Field Supplied Parts Suspension Bolt Nut Washer 4 M10 or W3 8 8 M10 or W3 8 8 M10 or W3 8 Suspension Bolt 4 M10 or W3 8 Field Supplied Nut and Washer 4 M10 or W3 8 Field Supplied Support Leg Fig 4 4 Installation of Indoor Unit 1 How to Install Suspension Bolt and Nut Mount nuts to the four bolts as shown in ...

Page 16: ...er the machine with plastic cloth during installation so as to keep it clean 4 3 5 Air Duct Connection Air duct is connected to indoor unit via canvas hose to effectively isolate noise and vibration Indoor unit is designed with flange with hole connectible to air duct Example Canvas Air Duct Canvas Air Duct Plenum Chamber Volume Damper Plenum Chamber Outside Air Service Access Return Air Inlet For...

Page 17: ...3 3 Fig 5 2 Pipe Size 4 0 6 0 Since the nut cap connected at gas pipe is designed exclusively for R410A the piping flaring connected for off factory installation is adjusted as compared with R22 and R407C Please perform the processing operation based on the dimensions shown below See Fig 5 3 Pipe Diameter a Flaring Diameter D Fig 5 3 Flaring 2 As shown in Fig 5 4 two spanners shall be used for tig...

Page 18: ...t Elevated Portion Incorrect 1 25 1 100 Downward Inclination Connecting Drain Pipe Shared Drain Pipe Drain pipes shall be separated from other pipes Correct Fig 6 1 Drain Pipe Where the relative humidity of air inlet or ambient air exceeds 80 an auxiliary drain pan shall be fabricated at installation site and placed under the indoor unit as shown in Fig 6 2 Indoor Unit Auxiliary Water Pan Field Su...

Page 19: ...acity or otherwise too low capacity may cause fire The system shall not be started until all inspections have been performed properly Wrap the accessory packing around the wires and plug the wiring connection hole with the seal material to protect the product from any condensate water or insects Secure the cable of the remote control switch using the cord clamp inside the electrical box Tighten sc...

Page 20: ...ber 1 Socket Motor line Fig 7 3 Switching of External Static Pressure AC CONTACTOR Capacity of Fuse on Indoor Unit Control Circuit Temperature Control on Fan Motor of Indoor Unit Cut out Cut in Cut out Cut in Freeze Protection Temperature Set Temperature Difference RPIM 0 8 2 5HNAUB1Q RPIH 3 0 6 0HNAUB1Q Static Pressure Pa Plug Wording Static Pressure Pa Plug Wording RPIM 0 8 1 5 HNAUB1Q RPIM 1 8 ...

Page 21: ...at can ensure all pole disconnection shall be installed between power supply and air conditioning unit in such a manner that the contact spacing shall not be less than 3mm 7 Once the power cord is damaged the dealer or the professionals from designated maintenance department must be contacted in a timely manner for repair and replacement 8 For the installation of power cord the ground wire must be...

Page 22: ...delivery H LINK II H LINK II In the case of applying high voltage to terminals 1 and 2 of TB2 the fuse on the PCB is cut In such a case firstly connect the wiring to TB2 and then turn on NO 1 pin The indoor unit numbers of all indoor units are not required The indoor unit numbers are set by the auto address function If the indoor unit number setting is required set the unit numbers of all indoor u...

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Page 24: ...g Systems Co Ltd Add No 218 Qianwangang Road Economic and Technological Development Zone Qingdao China The Company is committed to continuous product improvement We reserve the right therefore to alter the product information at any time and without prior announcement ...

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