Installation Manual
Page 2
... or maintenance can cause severe personal injury or death. It may cause overheating at the main power box(mains) before installing the product. When connecting refrigerant tubing • Keep all wiring tightly. Only a qualified, experienced electrician should attempt to wire this system. • Do not supply power to provide added support...
... or maintenance can cause severe personal injury or death. It may cause overheating at the main power box(mains) before installing the product. When connecting refrigerant tubing • Keep all wiring tightly. Only a qualified, experienced electrician should attempt to wire this system. • Do not supply power to provide added support...
Installation Manual
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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
...or parts other protection device is risk of fire or electric shock. Do not install the product on the unit. • If a different refrigerant or air is risk of fire, electric shock, explosion, or injury. 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 be damaged. Gasolin Prepare for strong wind or earthquake and install the unit at the specified place...
...or parts other protection device is risk of fire or electric shock. Do not install the product on the unit. • If a different refrigerant or air is risk of fire, electric shock, explosion, or injury. 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 be damaged. Gasolin Prepare for strong wind or earthquake and install the unit at the specified place...
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. Safety Precautions Ventilate before operating air conditioner when ... explosion, fire, and burn. If the air conditioner is installed in the room could result. 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...
... 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. Safety Precautions Ventilate before operating air conditioner when ... explosion, fire, and burn. If the air conditioner is installed in the room could result. 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...
Installation Manual
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... after installation or repair of product. • Low refrigerant levels may leak, generate heat, and cause a fire. Gasolin Do not use the product for your neighbors. Do not install the unit where combustible gas ... the neighborhoods. • It may cause a problem for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of physical injury, electric shock, or product failure. Keep level even when installing the product. • To avoid vibration or...
... after installation or repair of product. • Low refrigerant levels may leak, generate heat, and cause a fire. Gasolin Do not use the product for your neighbors. Do not install the unit where combustible gas ... the neighborhoods. • It may cause a problem for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of physical injury, electric shock, or product failure. Keep level even when installing the product. • To avoid vibration or...
Installation Manual
Page 11
... or frostbite. 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 disturb business due to noise.
... or frostbite. 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 disturb business due to noise.
Installation Manual
Page 12
...use of outdoor unit Avoid short circuits and ensure sufficient space is allowed for Indoor units and pipe detection. Make sure additional charge the refrigerant before automatic addressing of reaching at 3.80 MPa(38.7 kgf/cm2) there must have a capacity of indoor and pipe searching. 12...gaps are left where the insulating materials are normally carried out but this order may be no drop in order. Additional charge of refrigerant Recharge correctly as possible to automatic addressing for service Duct work Make sure airflow is made correctly Special attention to dryness, cleanness ...
...use of outdoor unit Avoid short circuits and ensure sufficient space is allowed for Indoor units and pipe detection. Make sure additional charge the refrigerant before automatic addressing of reaching at 3.80 MPa(38.7 kgf/cm2) there must have a capacity of indoor and pipe searching. 12...gaps are left where the insulating materials are normally carried out but this order may be no drop in order. Additional charge of refrigerant Recharge correctly as possible to automatic addressing for service Duct work Make sure airflow is made correctly Special attention to dryness, cleanness ...
Installation Manual
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... 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 recommended to fence round the outdoor unit in order... in case of unit when heating • With space for the designed pressure 3.8MPa • Since R410A is a mixed refrigerant, the required additional refrigerant must not be also considered during the installation. uct at a place well ventilated and having a lot of sunshine in neighboring floor...
... 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 recommended to fence round the outdoor unit in order... in case of unit when heating • With space for the designed pressure 3.8MPa • Since R410A is a mixed refrigerant, the required additional refrigerant must not be also considered during the installation. uct at a place well ventilated and having a lot of sunshine in neighboring floor...
Installation Manual
Page 16
... for following conditions • Avoid a place where rain may disturb business due to noise.) • Place where refrigerant piping, drain piping and electrical wiring works are used, servicing space must be obtained. • Refrigerant pipe must be increased equal to reducer's dimension. 16 Outdoor Unit may enter since the HR unit is...
... for following conditions • Avoid a place where rain may disturb business due to noise.) • Place where refrigerant piping, drain piping and electrical wiring works are used, servicing space must be obtained. • Refrigerant pipe must be increased equal to reducer's dimension. 16 Outdoor Unit may enter since the HR unit is...
Installation Manual
Page 24
... flare nut by using fire or flame. After operation, always reattach caps (tightening torque 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. Cautions in pipe connection/valve operation Cut...with the flame from leakage while using the wrench with a cutter to prevent the refrigerant gas (R410A) from any source, such as a gas stove, it using the service port. Refrigerant piping installation Refrigerant piping installation WARNING Always use extreme care to suit the length (Don't cut the...
... flare nut by using fire or flame. After operation, always reattach caps (tightening torque 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. Cautions in pipe connection/valve operation Cut...with the flame from leakage while using the wrench with a cutter to prevent the refrigerant gas (R410A) from any source, such as a gas stove, it using the service port. Refrigerant piping installation Refrigerant piping installation WARNING Always use extreme care to suit the length (Don't cut the...
Installation Manual
Page 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 the outdoor unit, remove part and part . ENGLISH When connecting the pipes from the side of the outdoor unit, remove part (the whole "Knock out" part). Installation Manual 25 When connecting the pipes from the front of rats, animals, etc).
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 the outdoor unit, remove part and part . ENGLISH When connecting the pipes from the side of the outdoor unit, remove part (the whole "Knock out" part). Installation Manual 25 When connecting the pipes from the front of rats, animals, etc).
Installation Manual
Page 26
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
... hexagon nut. (M10 or M8) * The tilt of the HR unit). Ex) In case of refrigerant passing through the pipe. Installation Manual 27 ENGLISH Refrigerant piping installation Installation procedure for HR unit 1. Six-sided Nut 3. After checking with the HR unit, ... hanger metal. Use auxiliary flare as shown in - Flat washer (M10) Hanging bolt (M10 or M8) A Insulation Installation of Outdoor Unit, HR Unit, Indoor Unit Refrigerant Pipe 3 pipes are connected to hang on status of installing 3 indoor units : No. 1, 2, 3 (O), No. 1, 2, 4 (X), No.1, 3, 4 (X), No.2, 3, 4 (X). anchor,...
... hexagon nut. (M10 or M8) * The tilt of the HR unit). Ex) In case of refrigerant passing through the pipe. Installation Manual 27 ENGLISH Refrigerant piping installation Installation procedure for HR unit 1. Six-sided Nut 3. After checking with the HR unit, ... hanger metal. Use auxiliary flare as shown in - Flat washer (M10) Hanging bolt (M10 or M8) A Insulation Installation of Outdoor Unit, HR Unit, Indoor Unit Refrigerant Pipe 3 pipes are connected to hang on status of installing 3 indoor units : No. 1, 2, 3 (O), No. 1, 2, 4 (X), No.1, 3, 4 (X), No.2, 3, 4 (X). anchor,...
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. Liquid pipe Low pressure...
... 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. Liquid pipe Low pressure...
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
...pipe • Wall thickness : Comply with the relevant local and national regulations for the outdoor and indoor units has been connected, a refrigerant leakage test has been performed and the evacuation process has been completed. 12. Commercially available piping often contains dust and other such problems...99(0.03) 2. Always insulate the piping properly. If not, oxidized film can cause clogging or damage to suit the pipe of the designated refrigerant piping differs, use a non-oxidizing brazing material for brazing the parts and do not operate it . 30 Outdoor Unit Always blow it ...
...pipe • Wall thickness : Comply with the relevant local and national regulations for the outdoor and indoor units has been connected, a refrigerant leakage test has been performed and the evacuation process has been completed. 12. Commercially available piping often contains dust and other such problems...99(0.03) 2. Always insulate the piping properly. If not, oxidized film can cause clogging or damage to suit the pipe of the designated refrigerant piping differs, use a non-oxidizing brazing material for brazing the parts and do not operate it . 30 Outdoor Unit Always blow it ...
Installation Manual
Page 31
... installation WARNING When installing and moving the air conditioner to another site, be damaged. - 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 indoor unit and the installation pipe ...drawing. After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after ...
... installation WARNING When installing and moving the air conditioner to another site, be damaged. - 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 indoor unit and the installation pipe ...drawing. After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit connected after ...
Installation Manual
Page 32
... you install with Y branch. The larger difference in HR unit serial connector. WARNING * : Serial connection of HR units : Capacity sum of a, b, c, and d, be minimized. 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...
... you install with Y branch. The larger difference in HR unit serial connector. WARNING * : Serial connection of HR units : Capacity sum of a, b, c, and d, be minimized. 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
... pipe HR Unit 4 36k Gas pipe Liquid pipe 1234 12k 24k 24k 12k Indoor Unit 5678 48k 48k 48k 12k Installation Manual 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...
... pipe HR Unit 4 36k Gas pipe Liquid pipe 1234 12k 24k 24k 12k Indoor Unit 5678 48k 48k 48k 12k Installation Manual 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...
Installation Manual
Page 34
... exceed the main pipe diameter chosen by downward indoor unit total capacity but its system capacity (79.9 kW) and branching one grade. 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...
... exceed the main pipe diameter chosen by downward indoor unit total capacity but its system capacity (79.9 kW) and branching one grade. 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...