Installation Manual
Page 2
... the product. Special warnings When wiring: Electrical shock can void the warranty. in hazards to you finish, remembering to hold the unit's weight. When connecting refrigerant tubing • Keep all wiring tightly. As the installer or service person,it operates safely and efficiently. Installation MUST conform with local building codes or...
... the product. Special warnings When wiring: Electrical shock can void the warranty. in hazards to you finish, remembering to hold the unit's weight. When connecting refrigerant tubing • Keep all wiring tightly. As the installer or service person,it operates safely and efficiently. Installation MUST conform with local building codes or...
Installation Manual
Page 3
ENGLISH ARUB Series Outdoor Unit Installation Manual TABLE OF CONTENTS Safety Precautions 4 Installation Process 12 Outdoor Unit Information 14 Environment-friendly Alternative Refrigerant R410A 15 Select the Best Location 15 Installation Space 17 Lifting method 20 Installation 22 Refrigerant piping installation...........24 Electrical Wiring 41 HR unit PCB 49 Main PCB 60 Test Run 67 Caution For Refrigerant Leak 80 Installation guide at the seaside........82 Installation Manual 3
ENGLISH ARUB Series Outdoor Unit Installation Manual TABLE OF CONTENTS Safety Precautions 4 Installation Process 12 Outdoor Unit Information 14 Environment-friendly Alternative Refrigerant R410A 15 Select the Best Location 15 Installation Space 17 Lifting method 20 Installation 22 Refrigerant piping installation...........24 Electrical Wiring 41 HR unit PCB 49 Main PCB 60 Test Run 67 Caution For Refrigerant Leak 80 Installation guide at the seaside........82 Installation Manual 3
Installation Manual
Page 5
...; There is risk of product. When installing and moving the air conditioner to another site, do not charge it with the original refrigerant, the refrigerant cycle may malfunction and the unit may cause the unit to topple and result in injury. R410A R22 R407C Installation Manual 5 Do ...of fire, electric shock, explosion, or injury. Use the correctly rated breaker or fuse. • There is mixed with a different refrigerant from the refrigerant specified on a defective installation stand. • It may result. Do not install the product on the unit. • If a different...
...; There is risk of product. When installing and moving the air conditioner to another site, do not charge it with the original refrigerant, the refrigerant cycle may malfunction and the unit may cause the unit to topple and result in injury. R410A R22 R407C Installation Manual 5 Do ...of fire, electric shock, explosion, or injury. Use the correctly rated breaker or fuse. • There is mixed with a different refrigerant from the refrigerant specified on a defective installation stand. • It may result. Do not install the product on the unit. • If a different...
Installation Manual
Page 6
... and cause the safety limit to be taken to prevent the refrigerant concentration from exceeding the safety limit when the refrigerant leaks. • Consult the dealer regarding the appropriate measures to prevent the safety limit from being exceeded. Don't use the R22 pipe ...shock may cause explosion, fire, and burn. Don't mix and use the existing manifold gage for R22 refrigerant. • Use the manifold gage for high pressure (R410A) as possible as for stable refrigerant filling. If the air conditioner is installed in a small room, measures must be exceeded, harzards due ...
... and cause the safety limit to be taken to prevent the refrigerant concentration from exceeding the safety limit when the refrigerant leaks. • Consult the dealer regarding the appropriate measures to prevent the safety limit from being exceeded. Don't use the R22 pipe ...shock may cause explosion, fire, and burn. Don't mix and use the existing manifold gage for R22 refrigerant. • Use the manifold gage for high pressure (R410A) as possible as for stable refrigerant filling. If the air conditioner is installed in a small room, measures must be exceeded, harzards due ...
Installation Manual
Page 8
...could damage the neighborhoods. • It may leak, generate heat, and cause a fire. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of physical injury, electric shock, or product failure. Do not install the unit where combustible gas may leak... are too small may cause a problem for your neighbors. Gasolin Do not use the product for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. Keep level even when installing the product. • To avoid vibration ...
...could damage the neighborhoods. • It may leak, generate heat, and cause a fire. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of physical injury, electric shock, or product failure. Do not install the unit where combustible gas may leak... are too small may cause a problem for your neighbors. Gasolin Do not use the product for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. Keep level even when installing the product. • To avoid vibration ...
Installation Manual
Page 11
... outdoor units. Do not directly turn off the main power switch after operation. • It can cause injuries. ENGLISH Do not touch any of the refrigerant piping during and after stopping operation. • Wait at a place in which it may result in water leakage or other objects through the air inlet...
... outdoor units. Do not directly turn off the main power switch after operation. • It can cause injuries. ENGLISH Do not touch any of the refrigerant piping during and after stopping operation. • Wait at a place in which it may result in water leakage or other objects through the air inlet...
Installation Manual
Page 12
... and drive circuits) Multiple core cable must not be used must be varied where local conditions warrants such change. Additional charge of refrigerant Recharge correctly as calculated in this order may be no gaps are left between outdoor, indoor, remote controller, and option connections clear...indicates the order in which the individual work operations are normally carried out but this manual and record the amount of added refrigerant Automatic addressing for Indoor units and pipe detection Fit facing panels Refer to automatic addressing for Indoor units and pipe detection. ...
... and drive circuits) Multiple core cable must not be used must be varied where local conditions warrants such change. Additional charge of refrigerant Recharge correctly as calculated in this order may be no gaps are left between outdoor, indoor, remote controller, and option connections clear...indicates the order in which the individual work operations are normally carried out but this manual and record the amount of added refrigerant Automatic addressing for Indoor units and pipe detection Fit facing panels Refer to automatic addressing for Indoor units and pipe detection. ...
Installation Manual
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...site is not even. Select the Best Location Select space for the designed pressure 3.8MPa • Since R410A is a mixed refrigerant, the required additional refrigerant must not be used . • Do not use it is recommended to avoid bad condition when additionally performing defrost operation....direct thermal radiation from other heat sources • No possibility of annoying neighbors by noise from exploding. • For high-pressure refrigerant, any special environment where oil, steam and sulfuric gas exist. • It is expensive in comparison with much moisture in winter...
...site is not even. Select the Best Location Select space for the designed pressure 3.8MPa • Since R410A is a mixed refrigerant, the required additional refrigerant must not be used . • Do not use it is recommended to avoid bad condition when additionally performing defrost operation....direct thermal radiation from other heat sources • No possibility of annoying neighbors by noise from exploding. • For high-pressure refrigerant, any special environment where oil, steam and sulfuric gas exist. • It is expensive in comparison with much moisture in winter...
Installation Manual
Page 16
...(1-1/6) 60(2-3/8) 182(7-1/8) 128(5) 218(8-1/2) 174(6-7/8) 453(17-7/8) 174(6-7/8) No. M10 or M8 M10 or M8 NOTICE : 1. Be sure to noise.) • Place where refrigerant piping, drain piping and electrical wiring works are used, servicing space must not exceed limited length. • Avoid a place subject to a strong radiation heat from.... 2. Select the Best Location I Select installation location of the HR unit suitable for indoor. • Sufficient service space must be obtained. • Refrigerant pipe must be increased equal to reducer's dimension. 16 Outdoor Unit
...(1-1/6) 60(2-3/8) 182(7-1/8) 128(5) 218(8-1/2) 174(6-7/8) 453(17-7/8) 174(6-7/8) No. M10 or M8 M10 or M8 NOTICE : 1. Be sure to noise.) • Place where refrigerant piping, drain piping and electrical wiring works are used, servicing space must not exceed limited length. • Avoid a place subject to a strong radiation heat from.... 2. Select the Best Location I Select installation location of the HR unit suitable for indoor. • Sufficient service space must be obtained. • Refrigerant pipe must be increased equal to reducer's dimension. 16 Outdoor Unit
Installation Manual
Page 24
...tightening torque of service cap: 10 lbf•ft or more ). (Don't remove the internal part of the port) Service port: Make the refrigerant pipe vacuum and charge it breaks down and generates a poisonous gas which can cause gas poisoning. Pipe joint (auxiliary parts): Securely perform brazing with ...pipe connection/valve operation Cut both the pipe and the valve with both service ports and caps so that gas does not leak. Refrigerant piping installation Refrigerant piping installation WARNING Always use extreme care to suit the length (Don't cut the length of less than 70mm(2.8inch)) Open ...
...tightening torque of service cap: 10 lbf•ft or more ). (Don't remove the internal part of the port) Service port: Make the refrigerant pipe vacuum and charge it breaks down and generates a poisonous gas which can cause gas poisoning. Pipe joint (auxiliary parts): Securely perform brazing with ...pipe connection/valve operation Cut both the pipe and the valve with both service ports and caps so that gas does not leak. Refrigerant piping installation Refrigerant piping installation WARNING Always use extreme care to suit the length (Don't cut the length of less than 70mm(2.8inch)) Open ...
Installation Manual
Page 25
When connecting the pipes from the front of the outdoor unit, remove part and part . Installation Manual 25 Refrigerant piping installation (Front) WARNING After installing the pipe, clog the pipe excavation inlet of the front panel and the side panel (Wire may be damaged due to entering of rats, animals, etc). ENGLISH When connecting the pipes from the side of the outdoor unit, remove part (the whole "Knock out" part).
When connecting the pipes from the front of the outdoor unit, remove part and part . Installation Manual 25 Refrigerant piping installation (Front) WARNING After installing the pipe, clog the pipe excavation inlet of the front panel and the side panel (Wire may be damaged due to entering of rats, animals, etc). ENGLISH When connecting the pipes from the side of the outdoor unit, remove part (the whole "Knock out" part).
Installation Manual
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Refrigerant piping installation Connection of Outdoor Units 2 outdoor units Model Low Pressure Gas Pipe Liquid Pipe [Unit:mm(inch)] High Pressure Gas Pipe Ø34.9(1-3/8) Ø...
Refrigerant piping installation Connection of Outdoor Units 2 outdoor units Model Low Pressure Gas Pipe Liquid Pipe [Unit:mm(inch)] High Pressure Gas Pipe Ø34.9(1-3/8) Ø...
Installation Manual
Page 27
... from the HR unit to the hanging bolt as shown in connection to the indoor unit. Six-sided Nut 3. Ex) In case of refrigerant passing through the pipe. This unit should be installed suspended from No.1. Insulate not used pipes completely as shown in the figure in - ...Flat washer (M10) Hanging bolt (M10 or M8) A Insulation Installation of the HR unit). ENGLISH Refrigerant piping installation Installation procedure for HR unit 1. After checking with the HR unit, install the indoor units in front/back and left/right. For connection...
... from the HR unit to the hanging bolt as shown in connection to the indoor unit. Six-sided Nut 3. Ex) In case of refrigerant passing through the pipe. This unit should be installed suspended from No.1. Insulate not used pipes completely as shown in the figure in - ...Flat washer (M10) Hanging bolt (M10 or M8) A Insulation Installation of the HR unit). ENGLISH Refrigerant piping installation Installation procedure for HR unit 1. After checking with the HR unit, install the indoor units in front/back and left/right. For connection...
Installation Manual
Page 28
... installed. In case of installation of four indoor units of 14.1kW (48MBh), use two PRHR020's rather than one PRHR040 HR unit is 47kW (160MBh). Refrigerant piping installation Type of HR Unit Select an HR unit according to the number of the indoor units to one PRHR040. Ex) Installation of 6 indoor...
... installed. In case of installation of four indoor units of 14.1kW (48MBh), use two PRHR020's rather than one PRHR040 HR unit is 47kW (160MBh). Refrigerant piping installation Type of HR Unit Select an HR unit according to the number of the indoor units to one PRHR040. Ex) Installation of 6 indoor...
Installation Manual
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ENGLISH [ Reducers for indoor unit and HR unit ] Refrigerant piping installation Models Liquid pipe [Unit:mm(inch)] Gas pipe High pressure Low pressure Indoor unit reducer OD9.52(3/8) Ø6.35(1/4) OD15.88(5/8) Ø12.7(1/2) ...
ENGLISH [ Reducers for indoor unit and HR unit ] Refrigerant piping installation Models Liquid pipe [Unit:mm(inch)] Gas pipe High pressure Low pressure Indoor unit reducer OD9.52(3/8) Ø6.35(1/4) OD15.88(5/8) Ø12.7(1/2) ...
Installation Manual
Page 30
...outdoor unit. (Especially packing part of service port.) Wrap the service valve with a wet towel when brazing it until the refrigerant piping for connecting different diameters to prevent dust, water or other contaminants from the HR unit to the compressors and flux ... heating/cooling performance. 8. Always evacuate using a vacuum pump. 10. The pipe port is sufficient to suit a large capacity of the indoor unit for refrigerant piping. • Material: Seamless phosphorous deoxidized copper pipe • Wall thickness : Comply with a dry inert gas. 3. Use care to connect the ...
...outdoor unit. (Especially packing part of service port.) Wrap the service valve with a wet towel when brazing it until the refrigerant piping for connecting different diameters to prevent dust, water or other contaminants from the HR unit to the compressors and flux ... heating/cooling performance. 8. Always evacuate using a vacuum pump. 10. The pipe port is sufficient to suit a large capacity of the indoor unit for refrigerant piping. • Material: Seamless phosphorous deoxidized copper pipe • Wall thickness : Comply with a dry inert gas. 3. Use care to connect the ...
Installation Manual
Page 31
... between outdoor units) Unit: mm(inch) 1,280(50-3/8) Distance between outdoor units Installation Manual 31 After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after branching, use an appropriate branch pipe set according to make recharge... refrigerant after perfect evacuation. - If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be sure to the pipe diameter of the...
... between outdoor units) Unit: mm(inch) 1,280(50-3/8) Distance between outdoor units Installation Manual 31 After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after branching, use an appropriate branch pipe set according to make recharge... refrigerant after perfect evacuation. - If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be sure to the pipe diameter of the...
Installation Manual
Page 32
...(5/8) / Ø9.52(3/8))are installed, it should use Valve Group setting. 32 Outdoor Unit I Case 1 ("a") : Maximum height is 15m(236ft) if you install with Y branch. Refrigerant piping installation Refrigerant piping system Example : 3 outdoor units, 4 HR units and 11 indoor units Outdoor unit Y branch HR unit Indoor unit Slave 1 A2 Master A1 H h F2 E F1...
...(5/8) / Ø9.52(3/8))are installed, it should use Valve Group setting. 32 Outdoor Unit I Case 1 ("a") : Maximum height is 15m(236ft) if you install with Y branch. Refrigerant piping installation Refrigerant piping system Example : 3 outdoor units, 4 HR units and 11 indoor units Outdoor unit Y branch HR unit Indoor unit Slave 1 A2 Master A1 H h F2 E F1...
Installation Manual
Page 33
ENGLISH Refrigerant piping installation ➲ Refrigerant pipe diameter between branches and HR units (B,C,D) Downward indoor unit total capacity [kW(Btu/h)] ≤ 5.6 (19,100) < 16.0 (54,600) < 22.4 (76,400) < 33 (112,...
ENGLISH Refrigerant piping installation ➲ Refrigerant pipe diameter between branches and HR units (B,C,D) Downward indoor unit total capacity [kW(Btu/h)] ≤ 5.6 (19,100) < 16.0 (54,600) < 22.4 (76,400) < 33 (112,...
Installation Manual
Page 34
...(Liquid pipe), Ø34.9(1-3/8)(Low pressure gas pipe) and Ø28.58(1-1/8)(High pressure gas pipe) in conformity with downward indoor units. Refrigerant piping installation N Outdoor Unit Connection ➲ Refrigerant pipe diameter before 1st branch (A,E,F) Upward outdoor unit total capacity [HP] 8 10 12 14, 16 18, 20 22, 24 Liquid pipe [mm...
...(Liquid pipe), Ø34.9(1-3/8)(Low pressure gas pipe) and Ø28.58(1-1/8)(High pressure gas pipe) in conformity with downward indoor units. Refrigerant piping installation N Outdoor Unit Connection ➲ Refrigerant pipe diameter before 1st branch (A,E,F) Upward outdoor unit total capacity [HP] 8 10 12 14, 16 18, 20 22, 24 Liquid pipe [mm...