Hitachi RAS-070HNBRMQ2 Скачать руководство пользователя страница 14 | Manualshive

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2.3 Refrigerant Cycle Diagram

Part name

No.

Compressor

Heat Exchanger

High Pressure Switch

High Pressure Sensor

Accumulator

Oil Separator

Strainer

Strainer
Strainer

Strainer

Distributor
4-Way Valve
Capillary Tube
Electronic Expansion Valve

Check Joint

Solenoid Valve
Solenoid Valve

Check Valve

Gas Stop Valve

Liquid Stop Valve

Receiver

Flare Connection

7

Cooling

Operation

Heating Operation

Brazing Connection

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Содержание RAS-070HNBRMQ2

Страница 1: ...R OUTDOOR UNIT Models Outdoor Units RAS 070HNBRMQ2 RAS 080HNBRMQ2 RAS 090HNBRMQ2 RAS 100HNBRMQ2 RAS 110HNBRMQ2 RAS 120HNBRMQ2 IMPORTANT READ AND UNDERSTAND THIS MANUAL BEFORE USING THIS HEAT PUMP AIR CONDITIONER KEEP THIS MANUAL FOR FUTURE REFERENCE Original Instructions ...

Страница 2: ......

Страница 3: ...ed in accordance 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 manufacturer s consent Johnson Controls Hitachi Air Conditioning Europe SAS is authorized to compile technical file or relevant techni...

Страница 4: ...e control switch Temperature DB Dry Bulb WB Wet Bulb Maximum Minimum Cooling Operation Indoor 23 C WB 15 C WB Outdoor 48 C DB 5 C DB Heating Operation Indoor 30 C DB 15 C DB Outdoor 15 5 C WB 23 C WB Install the unit at least 3 meters away from electromagnetic wave such as a radio Do not install the unit in the place where the breeze directly catches the animals and plants It could adversely affec...

Страница 5: ...to determine if they are in accordance with the purchase order The standard utilization of the unit shall be explained in the instructions Therefore the utilization of the unit other than those indicated in the instructions is not recommended In case of any problem please contact the local dealer as any issues involving installation performance or maintenance arise The company s liability shall no...

Страница 6: ... 4 1 Precaution for Refrigerant Piping 17 4 2 Model of Branch Pipe 20 4 3 Refrigerant Piping Size 21 4 4 Refrigerant Piping Work for Outdoor Unit 23 4 5 Air Tightness Test 25 4 6 Vacuuming 26 4 7 Additional Refrigerant Charge Calculation 27 4 8 Additional Refrigerant Charge Work 28 4 9 Pressure Measurement 28 5 Electrical Wring 29 5 1 General Check 30 5 2 Electrical Wiring Connection 30 5 3 Electr...

Страница 7: ......

Страница 8: ...which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTE NOTE is useful information for operation and or maintenance NOTICE is used to address practices no...

Страница 9: ...ch could cause suffocation The installer and system specialist shall secure safety against refrigerant leakage according to local regulations or standards Use an ELB Earth Leakage Breaker In the event of fault there is danger of an electric shock or a fire if it is not used Do not install the outdoor unit where there is high level of oil mist flammable gases salty air or harmful gases such as sulf...

Страница 10: ...hysical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or ment...

Страница 11: ...air conditioner may not be operated normally under the following cases In case that electrical power for the packaged air conditioner is supplied from the same power transformer as the device In case that the power source wires for the device and the packaged air conditioner are located close to each other Device Ex Lift container crane rectifier for electric railway inverter power device arc furn...

Страница 12: ...lution Blow nitrogen during brazing Prevention from Oxidation during Brazing Lubrication Oil for Flare Surface Use a synthetic oil which is equivalent to the oil used in the refrigeration cycle Synthetic oil absorbs moisture quickly Applying Oil to the Flared Surface Vacuum Drying l Refrigerant Charge Refrigerant Cylinder Check refrigerant cylinder color Liquid refrigerant charging is required reg...

Страница 13: ...Low Pressure Sensor High Pressure Switch High Pressure Sensor 4 Way Valve Electrical Box Crankcase Heater Accumulator Gas Stop Valve Liquid Stop Valve Electronic Expansion Valve Solenoid Valve Air Inlet Air Outlet Check Valve Strainer Receiver Distributor No Part Name No Part Name 6 ...

Страница 14: ... Sensor Accumulator Oil Separator Strainer Strainer Strainer Strainer Distributor 4 Way Valve Capillary Tube Electronic Expansion Valve Check Joint Solenoid Valve Solenoid Valve Check Valve Gas Stop Valve Liquid Stop Valve Receiver Flare Connection 7 Cooling Operation Heating Operation Brazing Connection ...

Страница 15: ...nd way cassette indoor units and high wall indoor units in the system When the outdoor air temperature is 43 C or more during the outdoor unit cooling operation When the outdoor air temperature is lower than 10 C during the outdoor unit heating operation 2 For the same system if the connectable indoor unit capacity ratio is over than 100 and which all the indoor units operate simultaneously capaci...

Страница 16: ... the unit is in horizontal while lifting Do not hook with the plastic bands If the unit is lifted after unwrapping the package protect the unit with the corner paddings or cloth Do not place or leave any other objects cables tools inside the outdoor unit or control board and verify that nothing remains there prior to installation and test run Ignoring the instructions can lead to damage and fire i...

Страница 17: ... accumulate such as near a hot tub or hot spring Where dense salt laden airflow is heavy such as in coastal regions Where the air quality is of high acidity Where harmful gases can be generated from decomposition Do not install the indoor unit where such dripping can cause moisture damage or uneven locations Use a raised concrete pad or concrete blocks to provide a solid and level foundation for t...

Страница 18: ...ace around the outdoor unit for operation and maintenance NOTE If strong wind blows direct to the air outlet the needed airflow volume cannot be maintained and the outdoor unit may be difficult to operate normally If excessively strong wind blows to the air outlet consecutively it may cause the propeller fan or the fan motor breakage by high speed rotation or overload Air Outlet Direction of Stron...

Страница 19: ...eft sides NOTES Install Airflow Guide optional Open both right and left sides NOTES Install Airflow Guide optional Open both right and left sides Around sides are closed Around sides are open Min 100 Min 300 Min 50 Front Side Front Side Min 100 Front Side A L H A L Fit positions with unit front side Min 360 Min 360 Min 200 Front Side Min 300 Single Installation Multiple Installation Min 1000 Min 1...

Страница 20: ...iple installation Min 700 Min 700 NOTE Open eather right or left side 3 Obstacles on the right and left sides of single installation a There is no obstacle in the upper side Unit mm 0 0 1 2 3 2 0 0 1 2 3 2 3 3 b There are obstacles in the upper side Unit mm 4 4 4 7 4 9 4 8 9 4 56 4 7 8 8 4 8 4 8 8 7 4 4 9 4 6 9 74 7 8 9 8 4 54 7 4 9 8 4 49 8 94 84 4 4 4 4 2 5 4 4 7 5 4 4 8 4 5 8 4 1 773 4 4 9 74 A...

Страница 21: ...ep a distance of more than 15mm between other units and do not put obstacles on the rigtht and left sides If L is larger than H mount the units on a base so that H is greater or equal to L In this situation ensure that the base is closed and does not allow the airflow to short circuit When the mark dimension is secured be sure to mount the airflow guide ...

Страница 22: ... E I 3 R F B A S 8 A 8 E I 8 F F 8 H A A 9 6 T A C E 9 T 8 T 9 3 O B 9 A 7B C 9 D A 01 2 3 4 5 66 U 7F A 9 H A V 7 V W 7 3 Example of fixing outdoor unit by anchor bolts 0 1 23 4 4 0 5 67 8 9 0 9 7 8 3 4 7 9 9 8 7 A 9 3 9 9 9 B C 0 0 7 4 7 7 3 0 1 23 4 4 0 5 4 Fix the outdoor unit firmly so that declining making noise and falling down by strong wind or earthquake is avoided Fix the outdoor unit to...

Страница 23: ... Width of Outdoor Unit 100mm Outdoor Unit is Stable Metal Plate Frame Metal Plate 100mm or more Recommended Metal Plate Size Field Supplied Material Hot Rolled Mild Steel Plate SPHC Plate Thickness 4 5T Hole Fig 3 1 Frame and Base Installation 5 The unit will condensate in heating mode And the condensate will freeze in colder climates which may cause the road slippery if not properly managed 6 The...

Страница 24: ...gen or dry compressed air into the pipes to remove any dust or foreign materials before connecting them Do not use any cutting tools such as a grinder or saw which could produce metal particles 3 Take special care to prevent pollution or moisture settling from going into the interior pipe during piping work 4 Avoid performing the piping connection work for outdoor unit in the rain 5 Refrigerant pi...

Страница 25: ...essure reducing valve Do not use field supplied antioxidant B Use a type of flux with a low chlorine concentration C Washing the weld joints to remove all flux completely after completing brazing work NOTE To avoid oxidation and scaling perform brazing at the appropriate temperature D To prevent gas leakage at the brazing connection refer to the table for the insertion depth and the gap for joint ...

Страница 26: ... the flared end before making connections to the system D Apply refrigerant oil field supplied slightly on the flare surface of the pipe and flare nut before performing flaring work Tighten the flare nut with the specified torque settings using two wrenches Perform flaring work to the liquid piping side before treating the gas piping side Verify that no gas leakage has occurred after completing fl...

Страница 27: ...SN Gas Pipe Liquid Pipe Unit mm Model E 162SN Gas Pipe Liquid Pipe ID 22 2 ID 22 2 ID 19 05 ID 12 7 ID 15 88 ID 19 05 ID 15 88 ID 15 88 ID 12 7 Ø 25 4 Ø 19 05 Ø 22 2 ID 9 53 ID 9 53 ID 6 35 ID 6 35 ID 9 53 12 7 Ø 9 53 Ø 9 53 Ø ID 9 53 OD 6 35 20 ...

Страница 28: ... the straight pipe is no less than 0 5 meter 4 3 Refrigerant Piping Size Example of connection connection of 4 indoor units Table 4 1 Piping Size of Main Pipe Model Stop Valve mm Pipe between the outdoor unit and the 1st branch pipe a The pipes between the branch pipes b c Gas Liquid Gas Liquid Marks 070 090 Φ19 05 Φ9 52 Φ19 05 Φ9 52 a b c 100 Φ19 05 Φ12 7 Φ12 7 a b c 110 120 Φ19 05 Φ12 7 Φ12 7 a ...

Страница 29: ...Outdoor unit is lower than indoor unit H1 40 meters Height difference between indoor units H2 15 meters Others The model of branch pipe 070 090 E 102SN 100 120 E 162SN Setting requirement for oil trap When the gas pipe is lifted over than 10 meters interval one oil trap should be set Model 70 meters E 162SN Liquid pipe length between the outdoor unit and the1st branch pipe a 70 meters 22 NOTE Mark...

Страница 30: ...side as shown in the following figures Front Side Piping Cover Rear Side Piping Cover Rear Side Piping Work Knockout Hole Right Side Piping Work Bottom Side Knockout Hole Piping Work Piping Cover Front Side Piping Work Knockout Hole Remove Direction of Service Cover Front Side Piping Cover Back Side Piping Cover Distribution Pipe 23 ...

Страница 31: ... 070 120 9 11 N m 7 9 N m 3 If the direction of the refrigerant piping has been chosen please remove the piping cover from the unit punch out the holes following the guide line with a screwdriver and a hammer Then deburr the holes and attach insulation field supplied for protection of cables and pipes a Front and Right Side Piping Work b Bottom Side Piping Work c Rear Side Piping Work Protect cabl...

Страница 32: ...g may be damaged 4 Securely insulate the gas piping and liquid piping separately 5 Connect the manifold gauge and the charging hoses to the check joints of the stop valves with a nitrogen tank Perform the air tightness test at 4 15 MPa for the test pressure 6 For the air tightness test please use a leak detector or forming agent to detect the joints and stop valves for the piping connection If the...

Страница 33: ...sive use of R410A 26 Never use the refrigerant charged in the outdoor unit for air purging Insufficient refrigerant will lead to failure Insulate the liquid pipe for prevention of the capacity decrease according to the ambient air conditions and the dewing on the pipe surface by the low pressure Check to ensure that there is no gas leakage When large amount of the refrigerant leaks the troubles as...

Страница 34: ...er meter Additional charge kg W W11 W12 W13 Φ6 35 W11 0 03kg m Φ9 52 W12 0 07kg m Φ12 7 W13 0 12kg m For the Indoor units 0 NOTE Ensure the total additional charge should not exceed the max additional refrigerant charge quantity 2 Max Additional Refrigerant Charge Quantity Outdoor Unit 070 120 Max Additional Refrigerant Charge Quantity kg 3 Refrigerant Charge Amount of Outdoor Unit before Shipment...

Страница 35: ... charged as liquid Do not apply excessive force to the stop valves after fully opening the valves At the test run fully open the gas and liquid stop valves 4 9 Pressure Measurement When the pressure is measured it can be applied by the check joints as the following figures Connect the pressure gauge according to the table below because of high pressure side and low pressure side change by operatio...

Страница 36: ...culated critical concentration is higher than this value take the following actions 1 Provide a gas leakage detector and exhaust fan controlled by its gas leakage detector 2 Provide effective opening in the wall or door for ventilation to next door so that the critical gas concentration can be maintained lower than the above value Provide an opening with area greater than 0 15 of the floor surface...

Страница 37: ...or unit and indoor unit are connected If not it will cause a fire or an electrical shock 5 Communication cabling shall be a minimum of 0 75mm2 2 Conductor Stranded Copper Shielded cable must be considered for applications and routing in areas of high EMI and other sources of potentially excessive electrical noise to reduce the potential for communication errors When shielded cabling is applied pro...

Страница 38: ...ed circuit board may be damaged 7 Connect the ground wire for the outdoor indoor units The ground wiring work under the condition of 100Ω max ground resistance should be performed by the qualified person 8 Tighten screws for the terminal block according to the following table Size Tightening Torque M4 1 0 1 3 N m M5 2 0 2 5 N m M6 4 0 5 0 N m M8 9 0 11 0 N m M10 18 0 23 0 N m 31 Table 5 1 Electric...

Страница 39: ... while the power cord shall be made 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...

Страница 40: ... current exceeds 63A 33 Terminal block for power source and control circuit Cord Clamp Power Line Transmission Line 1 Fix the wire as shown in the figure on the right 2 Tie the wires properly to avoid contact with compressor refrigerant pipe and rear cover Precautions for power supply wiring ...

Страница 41: ...hes inside of the outdoor unit 2 Setting for Transmitting It is required to set the refrigerant cycle No of outdoor unit 3 Setting End Terminal Resistance Before shipment No 1 pin of DSW5 is set at the ON side If there are 2 or more units in the same communication system set No 1 pin of DSW5 at the OFF side from the 2nd refrigerant group outdoor unit If only one outdoor unit is used no setting is ...

Страница 42: ...ange of refrigerant cycle No is between 0 and 63 Refrigerant Cycle No The value of the DSW4 System Address Setting Double Digit The value of the RSW1 System Address Setting Single Digit DSW4 System Address Setting Double Digit RSW1 System Address Setting Single Digit DIP Switch Setting Value DIP Switch Setting Value 0 0 10 1 20 2 30 3 40 4 50 5 60 6 7 8 9 35 ...

Страница 43: ...ectrical shock 3 Turn off the main power switch to the indoor unit and the outdoor unit and wait for more than 10 minutes before electrical wiring work or a periodical check is performed 7 2 Test Run by DIP Switch of Outdoor Unit 1 Turn on the power supply of the outdoor units and indoor units for more than 12 hours the 7 segment display is lighting 2 Check the 7 segment display of the outdoor uni...

Страница 44: ...et the other wired controllers to test the other indoor units 6 To finish the test run wait two hours as a default setting or press ON OFF or press the MODE and INCREASE simultaneously for at least 5 seconds 7 During the test run if any malfunction happens please examine and clear it by referring to the table of alarm codes 8 If the indicated number of the wired controller is different with the ac...

Страница 45: ...Outlet DB C WB C 7 Check Refrigerant Temperature Liquid Temperature C Discharge Temperature C 8 Check Pressure Discharge Pressure MPa Suction Pressure MPa 9 Check Voltage Rated Voltage V Operating Voltage L N V Starting Voltage V 10 Check the Input Running Current of the Compressor Running Current A 11 Is the refrigerant charge correct 12 Do the operation control devices operate correctly 13 Do th...

Страница 46: ...ller Incorrect Wiring Severed or Disconnecting Wiring Short Circuit 21 Abnormality of High Pressure Sensor 22 Abnormality of Outdoor Air Thermistor 24 Abnormality of Heat Exchanger Liquid Pipe Thermistor 29 Abnormality of Low Pressure Sensor 31 Incorrect Capacity Setting of Outdoor Unit and Indoor Unit Incorrect Capacity Code Setting of Combination Excessive or Insufficient Indoor Unit Total Capac...

Страница 47: ...nding to H LINK II Units are Connected to One System EE Compressor Protection Alarm It is cannot be reset from remote Controller If the alarms 02 07 08 43 44 45 47 occur three times within 6 hours the alarm code appears When the alarm codes in the brackets have appeared it means that the malfunctions are from the indoor unit 40 8 Safety and Control Device Setting The compressor is protected by the...

Страница 48: ...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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