Hitachi RPIZ-0.8HNATNQ Operation Installation Maintenance Manual Download Page 4

Dear user:
Thank you for choosing and using our product. To better understand and use this product, please be sure to read and 

observe the following related issues before use.

This manual should be considered as a permanent part of the air conditioning equipment. Please keep it properly.

This manual describes and introduces this heat pump air conditioner in a unified manner, so it's applicable for your and 

other air conditioners.

Hitachi pursues a policy of continuous improvement in design and performance of products. The right is therefore 

reserved to change specifications without notice.

Our company shall not be held responsible for any occasional damage to the air conditioner that arises during its 

operation in specific environment. This air conditioner is designed for standard air conditioning only. Do not use it for 

other purposes such as drying cloth, refrigerating foods or for any other cooling or heating processes. Please don't 

install the air conditioner in the following environments. Otherwise, fire, machine deformation or failure may arise.

*

Places with spatter of oil (including machine oil).
Places with inflammable gases.

*

*

Places with sulfurated gases or silicon (e.g. hot spring, etc.).
Coastal areas with much salt or places exposed to strong

 

acids

or bases that may cause corrosion to machine.


IMPORTANT NOTICE 

Signal words (DANGER, WARNING and CAUTION) are used to indicate hazard seriousness. Definitions of the 

hazard levels are provided below with respective signal words.

Temperature

Do not have the air outlet directly faced towards animals or plants, since this may bring about an adverse effect 

thereon.

The installation and service engineering have to comply with local standards, laws and regulations.
As an "appliance inaccessible to the public", the installation height of indoor unit of the air conditioner shall be at least 

2.5m.

This air conditioner can only be installed by dealers or professionals. The installation by user may lead to water 

leakage, electric shock or fire.

In case of any question, please consult the dealer or the service center designated by our company.

For environmental protection, please don't dispose of the product casually. Our company can provide recycling service 

based on relevant regulations, and provide replacement parts according to 

relevant

 standards.

This heat pump air conditioner has been designed for the following temperatures. Be sure to operate the heat

 pump air

 

conditioner within this range.

*

23 WB

15 WB
-5 DB*
15 DB

43 DB* 
27 DB 

15 WB*

Indoor
Outdoor
Indoor
Outdoor

Cooling 

Operation

Maximum

 Minimum

*

This temperature may vary with outdoor unit.

CAUTION

DB: Dry Bulb, WB: Wet Bulb

DANGER

WARNING

NOTE 

: Immediate hazard that WILL result in severe personal injury or death.

: Hazards or unsafe practices that COULD result in severe personal injury or death. 
: Hazards or unsafe practices which COULD result in minor personal injury or damage to

  property damage.
: Useful information for operation and/or maintenance. 

Refer to the instruction manual for complete machine (outdoor unit) for information about the product

standards to which the indoor unit is subject.

        

Heating

Operation

(

)

-20 WB*

Summary of Contents for RPIZ-0.8HNATNQ

Page 1: ...door unit Please read this manual in conjunction with corresponding manual for outdoor unit RPIZ 0 8HNATNQ RPIZ 1 0HNATNQ RPIZ 1 3HNATNQ RPIZ 1 5HNATNQ RPIZ 1 8HNATNQ RPIZ 2 0HNATNQ RPIZ 2 3HNATNQ RPIZ 2 5HNATNQ Models 0 8 1 3 Model 1 5 Models 1 8 2 5 P01588Q ORIGINAL INSTRUCTIONS ...

Page 2: ......

Page 3: ...cordance with our instructions following the provisions of Directives as amended Manufacturing number and manufacturing year refer to model Nameplate Notes This declaration becomes invalid if technical or operational modifications are introduced without the manufacturers consent Johnson Controls Inc is authorised to Compile the Technical Construction File Ad Westendhof 3 45143 Essen Germany Name S...

Page 4: ...spective signal words Temperature Do not have the air outlet directly faced towards animals or plants since this may bring about an adverse effect thereon The installation and service engineering have to comply with local standards laws and regulations As an appliance inaccessible to the public the installation height of indoor unit of the air conditioner shall be at least 2 5m This air conditione...

Page 5: ...y cause a fire Make sure the air conditioner is installed with enough strength of fixation otherwise the air conditioner may fall or topple over which may bring about machine damage or personal injury Please follow the installation instructions and related regulations and standards for electrical construction otherwise electrical failure or fire may occur due to inadequate capacity or inconsistent...

Page 6: ...immediately with the shipping company Check the model number electrical parameters power supply voltage and frequency and accessories to determine if they are correct Please contact your local dealer in case of problem Our company shall not be held responsible for any consequence arising from the modification to equipment without our written consent Ⅲ ...

Page 7: ...ing Materials 5 2 Piping Connection 8 Test Run 9 Protection and Control Devices 10 Field Operation Electrical Wiring 7 1 General Check 7 2 Wiring 7 3 Field Wire Size for Power Source Line 4 4 5 6 9 9 10 10 2 4 5 6 Drain Pipe Tools Instruments for Installation Transportation Handling 3 1 Transportation 3 2 Handling of Indoor Unit 3 7 10 1 Setting of DIP Switch 10 2 Setting of Fan Speed 10 8 ...

Page 8: ...re etc may occur Be careful not to cause damage to insulation materials of the unit surface when it s lifted 2 Tools Instruments for Installation 4 Installation of Indoor Unit Do not install the indoor unit in a flammable environment since this may cause fire or an explosion 4 1 Factory Supplied Accessories Check to ensure that the following accessories are packed with indoor unit Please refer to ...

Page 9: ... in an acid or alkaline environment Do not install the indoor unit in a machinery shop or kitchen where vapor from oil or its mist flows to the indoor unit Once the oil deposits on the heat exchanger it may impair the performance of indoor unit and cause damage to plastic parts therein Pay attention to the following points when the indoor unit is installed in a hospital or other facilities where t...

Page 10: ... 8 2 5 Outgoing Direction Top View Indoor Unit Capacity HP 1 5 1 8 2 5 b a 950 1220 910 1180 mm Fig 4 3 Suspension Bolt 0 8 1 3 740 700 410 Dimensions of Suspension Bolt a Dimensions of Suspension Bolt b 447 25 8 Fig 4 4 Installation of Indoor Unit Suspension Bolt 4 M10 or W3 8 Field Supplied Nut and Washer 4 M10 or W3 8 Field Supplied 1 Install suspension bolts and nuts Mount nuts to the four bol...

Page 11: ... placement of indoor unit Fig 4 6 Handling Method 4 3 4 Leveling of Indoor Unit 1 Check to ensure the top surface is level and measure the max top surface inclination degree Fig 4 7 Top Surface Inclination Degree 2 As shown in Fig 4 7 the rear part of indoor unit is slightly lower than its front part by 0 5mm so as to facilitate drainage 3 Tighten the suspension nut upon completion of adjustment I...

Page 12: ... Correct Incorrect Blocked with Tape or Plug 4 Discharging and Charging Refrigerant Follow the Installation Maintenance Manual for outdoor unit Excessive and inadequate refrigerant is a leading cause of system anomaly Please inject the right amount of refrigerant Pipe Size Tightening Torque N m 20 40 60 80 Φ15 88 Φ12 7 Φ9 53 Φ6 35 Outside Diameter of Piping a Outside Diameter of Flaring D R22 R407...

Page 13: ...t must be higher than the main Select drain pipes in ample size depending on the refrigerating capacity and quantity of indoor units 4 Check if water flows without obstruction following the procedure shown below after the proper connection of wires and drain pipes Drain Pipe 1 The position of the drain pipe connection is shown in Fig 6 1 2 Prepare a polyvinyl chloride pipe with a 32mm outer diamet...

Page 14: ...al box with wire tie Tighten screws to the following torques The electrical wiring connection for indoor unit is shown in Fig 7 1 1 Connect the remote control wire to the PCB in electrical box through the connection hole on electrical box 2 Connect the power supply and earth wires to the terminals in the electrical box 3 Connect the wires between the indoor unit and the outdoor unit to the termina...

Page 15: ...from copper conductor 5 The wiring specifications for weak current communication circuit shall not be lower than that for RVV S P shielded wires or equivalent and the shielding layer shall be grounded 6 A switch that 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 pow...

Page 16: ...C Check to ensure the switch on main power source has been ON for more than 4 hours to warm the compressor by heater Pay attention to the following items while the system is running A Do not touch any of the parts by hand at the discharge gas side since the temperatures of compressor chamber and the pipes at the discharge side are higher than 90 C B Do not push the button of the AC contactor It wi...

Page 17: ...tion Note Symbol indicates the location of DIP switch The position indicated in the diagram is in the factory set state The power supply shall be turned off before the setup of DIP switch Otherwise the settings will be invalid 10 RSW1 RSW2 DSW6 DSW5 DSW4 DSW7 DSW3 Setting of Indoor Unit DSW6 tens digit RSW1 units digit Setting position Insert a flat head screw driver into the slot for setup Ex Set...

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Page 19: ...P01588Q 2018 08 V00 Qingdao Hisense Hitachi Air conditioning Systems Co Ltd Add 218 Qianwangang Road Economic Technical Development Zone Qingdao P R China 1110023 ...

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