Installation Manual
Page 2
... hands out of wiring have been left inside a room to hold the unit's weight. NOTE TO INSTALLING DEALER: The Owners Instructions and Warranty are used in a wall: Make sure the wall is strong enough to prevent "sweating" that is disconnected. Provide a suitable air baffle. ... Safety Precautions • Always wear safety eye wear and work gloves when installing equipment. • Never assume electrical power is higher than...
... hands out of wiring have been left inside a room to hold the unit's weight. NOTE TO INSTALLING DEALER: The Owners Instructions and Warranty are used in a wall: Make sure the wall is strong enough to prevent "sweating" that is disconnected. Provide a suitable air baffle. ... Safety Precautions • Always wear safety eye wear and work gloves when installing equipment. • Never assume electrical power is higher than...
Installation Manual
Page 4
... the user or other people and property damage, the following indications. Always intstall a dedicated circuit and breaker. • Improper wiring or installation may result in this manual and always use a special circuit. • If the power source capacity is inadequate or electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire Regulations" and the instructions given in this manual are...
... the user or other people and property damage, the following indications. Always intstall a dedicated circuit and breaker. • Improper wiring or installation may result in this manual and always use a special circuit. • If the power source capacity is inadequate or electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire Regulations" and the instructions given in this manual are...
Installation Manual
Page 5
... R22 R407C Installation Manual 5 Use the correctly rated breaker or fuse. • There is risk of fire, electric shock, explosion, or injury. When installing and moving the air conditioner to another site, do not charge it with a different refrigerant from the refrigerant specified on a defective installation stand. • It may result. ENGLISH For re-installation of the installed product, always contact a dealer or an Authorized Service Center...
... R22 R407C Installation Manual 5 Use the correctly rated breaker or fuse. • There is risk of fire, electric shock, explosion, or injury. When installing and moving the air conditioner to another site, do not charge it with a different refrigerant from the refrigerant specified on a defective installation stand. • It may result. ENGLISH For re-installation of the installed product, always contact a dealer or an Authorized Service Center...
Installation Manual
Page 6
... control box and the panel. • If the cover and panel are not installed securely, dust or water may enter the outdoor unit and fire or electric 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. Should the refrigerant leak...
... control box and the panel. • If the cover and panel are not installed securely, dust or water may enter the outdoor unit and fire or electric 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. Should the refrigerant leak...
Installation Manual
Page 8
... Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) • There is risk of damage or loss of property. 8 Outdoor Unit I Installation Always check for special purposes, such as preserving foods, works of product. Gasolin Do not use the product for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels...
... Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) • There is risk of damage or loss of property. 8 Outdoor Unit I Installation Always check for special purposes, such as preserving foods, works of product. Gasolin Do not use the product for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels...
Installation Manual
Page 10
... packaging. Safety Precautions Make the connections securely so that it cannot slip sideways. Be sure the installation area does not deteriorate with age. • If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. tions on during the operational season. 10 Outdoor Unit Keep the power switch turned on the unit base.
... packaging. Safety Precautions Make the connections securely so that it cannot slip sideways. Be sure the installation area does not deteriorate with age. • If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. tions on during the operational season. 10 Outdoor Unit Keep the power switch turned on the unit base.
Installation Manual
Page 11
... electric shock. Installation Manual 11 Safety Precautions Do not operate the air conditioner with the panels or guards removed. • Rotating, hot, or high-voltage parts can cause a burn or frostbite. Otherwise it is not affected by operation mode changing noise. • There is plugged in. • There are sharp and moving parts that could cause personal injury. ENGLISH Do not touch any of the refrigerant piping...
... electric shock. Installation Manual 11 Safety Precautions Do not operate the air conditioner with the panels or guards removed. • Rotating, hot, or high-voltage parts can cause a burn or frostbite. Otherwise it is not affected by operation mode changing noise. • There is plugged in. • There are sharp and moving parts that could cause personal injury. ENGLISH Do not touch any of the refrigerant piping...
Installation Manual
Page 12
... use of the system as clearly as possible to your customer and make sure the fitting is sufficient Heat insulation work Make sure no gaps are left between outdoor, indoor, remote controller, and option connections clear. (Prepare control circuit diagram) Sleeve and insert work Installation of indoor unit and HR unit Refrigerant piping work Take account of gradient of drain piping Check model name to downward gradient Outdoor unit foundation work The foundation must be level Installation...
... use of the system as clearly as possible to your customer and make sure the fitting is sufficient Heat insulation work Make sure no gaps are left between outdoor, indoor, remote controller, and option connections clear. (Prepare control circuit diagram) Sleeve and insert work Installation of indoor unit and HR unit Refrigerant piping work Take account of gradient of drain piping Check model name to downward gradient Outdoor unit foundation work The foundation must be level Installation...
Installation Manual
Page 13
... than once/year ) cleaning of the sea wind direction. Do not install the product where it could cause product malfunction or inefficient performance. 3. Install the outdoor unit on the product. Windbreak Sea wind • It should be strong enough like concrete to the sea wind. Air conditioners should be installed in the seaside installation, please contact LG Electronics for easy air flow. 3) Select a well-drained place. 1. ENGLISH Installation Process...
... than once/year ) cleaning of the sea wind direction. Do not install the product where it could cause product malfunction or inefficient performance. 3. Install the outdoor unit on the product. Windbreak Sea wind • It should be strong enough like concrete to the sea wind. Air conditioners should be installed in the seaside installation, please contact LG Electronics for easy air flow. 3) Select a well-drained place. 1. ENGLISH Installation Process...
Installation Manual
Page 15
... is not even. Installation Manual 15 Select the Best Location Select space for installing outdoor unit, which will not work shown next • Because of the possibility of fire, do not install unit to avoid bad condition when additionally performing defrost operation. 1. ENGLISH Select the Best Location Environment-friendly Alternative Refrigerant R410A • The refrigerant R410A has the property of unit when heating • With space...
... is not even. Installation Manual 15 Select the Best Location Select space for installing outdoor unit, which will not work shown next • Because of the possibility of fire, do not install unit to avoid bad condition when additionally performing defrost operation. 1. ENGLISH Select the Best Location Environment-friendly Alternative Refrigerant R410A • The refrigerant R410A has the property of unit when heating • With space...
Installation Manual
Page 30
... of the outdoor unit. (Especially packing part of the designated refrigerant piping differs, use a pipe cutter to cut , connect and install the subsidiary flare to perform an air purge. Always use a non-oxidizing brazing material for the connection flare of condensate and other such problems. 11. If the diameters of the branch piping of service port.) Wrap the service valve with a dry inert gas. 3. Use care to...
... of the outdoor unit. (Especially packing part of the designated refrigerant piping differs, use a pipe cutter to cut , connect and install the subsidiary flare to perform an air purge. Always use a non-oxidizing brazing material for the connection flare of condensate and other such problems. 11. If the diameters of the branch piping of service port.) Wrap the service valve with a dry inert gas. 3. Use care to...
Installation Manual
Page 31
ENGLISH Refrigerant piping installation WARNING When installing and moving the air conditioner to another site, be damaged. - Pipe Length between Outdoor Units (Low pressure gas pipe, High pressure gas pipe, Liquid pipe) = Product length (1,280mm(50-3/8 inch)) + (distance between outdoor units) Unit: mm(inch) 1,280(50-3/8) Distance between outdoor units Installation Manual 31 If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be sure to...
ENGLISH Refrigerant piping installation WARNING When installing and moving the air conditioner to another site, be damaged. - Pipe Length between Outdoor Units (Low pressure gas pipe, High pressure gas pipe, Liquid pipe) = Product length (1,280mm(50-3/8 inch)) + (distance between outdoor units) Unit: mm(inch) 1,280(50-3/8) Distance between outdoor units Installation Manual 31 If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be sure to...
Installation Manual
Page 35
... capacity is obtained from the floor (wall mounted type ¡ cassette type) - ENGLISH Refrigerant piping installation N The Amount of Refrigerant The calculation of the additional charge should be over 2m(6.6ft) from the calculation, no refrigerant needs to model information since the CF value of refrigerant leakage should satisfy the following steps. - Ex) 10HP Outdoor unit HR unit (1EA) Indoor unit A: Ø12.7(1/2), 50m(164ft) B: Ø9.52...
... capacity is obtained from the floor (wall mounted type ¡ cassette type) - ENGLISH Refrigerant piping installation N The Amount of Refrigerant The calculation of the additional charge should be over 2m(6.6ft) from the calculation, no refrigerant needs to model information since the CF value of refrigerant leakage should satisfy the following steps. - Ex) 10HP Outdoor unit HR unit (1EA) Indoor unit A: Ø12.7(1/2), 50m(164ft) B: Ø9.52...
Installation Manual
Page 44
... inside conduits then the following point must also be taken into account when grouping various lines together for the power wiring. 44 Outdoor Unit Electrical Wiring Communication and Power Lines 1) Communication cable • Types : shielding wire CVVS or CPEVS • Use wires of size : over 1.25mm2 • Insulation material : PVC • Maximum allowable temperature: 140°F • Maximum allowable line length: under 300m(984ft) 2) Remote control...
... inside conduits then the following point must also be taken into account when grouping various lines together for the power wiring. 44 Outdoor Unit Electrical Wiring Communication and Power Lines 1) Communication cable • Types : shielding wire CVVS or CPEVS • Use wires of size : over 1.25mm2 • Insulation material : PVC • Maximum allowable temperature: 140°F • Maximum allowable line length: under 300m(984ft) 2) Remote control...
Installation Manual
Page 49
....1 No.2 No.3 No.4 No.5 No.6 No.7 No.8 Selection Method for addressing valves of an HR unit (Auto/Manual) Model of HR unit Model of HR unit Valve group setting Valve group setting Valve group setting Use only in factory production (preset to "OFF") Use only in factory production (preset to "OFF") 1) Selection of the method for setup of an HR unit (Auto/Manual) Switch No.1 Off Switch No.1 On Manual Auto Installation Manual 49
....1 No.2 No.3 No.4 No.5 No.6 No.7 No.8 Selection Method for addressing valves of an HR unit (Auto/Manual) Model of HR unit Model of HR unit Valve group setting Valve group setting Valve group setting Use only in factory production (preset to "OFF") Use only in factory production (preset to "OFF") 1) Selection of the method for setup of an HR unit (Auto/Manual) Switch No.1 Off Switch No.1 On Manual Auto Installation Manual 49
Installation Manual
Page 54
.... 54 Outdoor Unit Error No.200 occurs if the number of connected indoor units and that manual pipe setting is not working. • If you want to change the setting of manual pipe, you want to central control address of indoor unit. • Pipe which is not connected with indoor unit should do after reset of outdoor unit by all means. 3) Manual pipe detection • Enter the central control address into each indoor unit using its wired remote control. • Turn No.1 of...
.... 54 Outdoor Unit Error No.200 occurs if the number of connected indoor units and that manual pipe setting is not working. • If you want to change the setting of manual pipe, you want to central control address of indoor unit. • Pipe which is not connected with indoor unit should do after reset of outdoor unit by all means. 3) Manual pipe detection • Enter the central control address into each indoor unit using its wired remote control. • Turn No.1 of...
Installation Manual
Page 75
...temperature sensor of indoor unit Outlet pipe temperature sensor of Indoor unit is open or short 0 2 - Different operation mode Operation mode between indoor unit and outdoor unit is turned off by slave outdoor unit high pressure switch. Error Display 1st,2nd LED of indoor fan motor lock 1 1 - Communication error : wired remote controller ↔ indoor unit Failing to receive outdoor unit signal in the table. • If more than two troubles occur simultaneously, lower number of indoor unit is open or short 0 7 - In case when the serial number marked on display window...
...temperature sensor of indoor unit Outlet pipe temperature sensor of Indoor unit is open or short 0 2 - Different operation mode Operation mode between indoor unit and outdoor unit is turned off by slave outdoor unit high pressure switch. Error Display 1st,2nd LED of indoor fan motor lock 1 1 - Communication error : wired remote controller ↔ indoor unit Failing to receive outdoor unit signal in the table. • If more than two troubles occur simultaneously, lower number of indoor unit is open or short 0 7 - In case when the serial number marked on display window...
Installation Manual
Page 77
...(B) Fault slave Outdoor Unit Heat 2 Exchanger Temperature Sensor(B) Fault Master Outdoor Unit Heat Exchanger Temperature Sensor(B) open or short slave Outdoor Unit Heat Exchanger Temperature Sensor(B) open or short 5 1 1 Omitting connection of R, S, T power of Master Outdoor unit Omitting connection of R, S, T 2 power of slave outdoor unit Omitting connection of Master outdoor unit Omitting connection of slave outdoor unit 5 1 1 Excessive capacity of indoor units Excessive connection of indoor units compared to capacity of outdoor unit 5 2 1 Communication error : inverter...
...(B) Fault slave Outdoor Unit Heat 2 Exchanger Temperature Sensor(B) Fault Master Outdoor Unit Heat Exchanger Temperature Sensor(B) open or short slave Outdoor Unit Heat Exchanger Temperature Sensor(B) open or short 5 1 1 Omitting connection of R, S, T power of Master Outdoor unit Omitting connection of R, S, T 2 power of slave outdoor unit Omitting connection of Master outdoor unit Omitting connection of slave outdoor unit 5 1 1 Excessive capacity of indoor units Excessive connection of indoor units compared to capacity of outdoor unit 5 2 1 Communication error : inverter...
Installation Manual
Page 80
... replenished refrigerant per one outdoor + replenished refrigerant = refrigerant in the room. I Calculate minimum room capacity Note : In case one room or the smaller room. (1) Without partition (2) With partition and with opening without hurting human body when refrigerant leaks in the unit of all the replenished refrigerant (lb) per unit air volume) for facilitating calculation. Calculate room capacity by regarding a portion as passage of air to equip the air conditioner...
... replenished refrigerant per one outdoor + replenished refrigerant = refrigerant in the room. I Calculate minimum room capacity Note : In case one room or the smaller room. (1) Without partition (2) With partition and with opening without hurting human body when refrigerant leaks in the unit of all the replenished refrigerant (lb) per unit air volume) for facilitating calculation. Calculate room capacity by regarding a portion as passage of air to equip the air conditioner...
Service Manual
Page 4
....8°F]WB * Interconnecting Piping Length 7.5m(25ft) * Level Difference of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid(flare) Suction Gas Discharge Gas Dimensions (WxHxD) Net Weight Communication Cable Refigerant Refigerant name Control Power Supply 18 14.5 Combination Unit ARUB173BT2 Independent Unit ARUB096BT2 ARUB076BT2 kW 50.4 kcal/h 43,300 Btu/h 172,000 kW 56...
....8°F]WB * Interconnecting Piping Length 7.5m(25ft) * Level Difference of Revolution Motor Output x Number Starting Method Oil Type Oil Charge Type Motor Output x Number Air Flow Rate(High) Drive Discharge Pipe Connctions Liquid(flare) Suction Gas Discharge Gas Dimensions (WxHxD) Net Weight Communication Cable Refigerant Refigerant name Control Power Supply 18 14.5 Combination Unit ARUB173BT2 Independent Unit ARUB096BT2 ARUB076BT2 kW 50.4 kcal/h 43,300 Btu/h 172,000 kW 56...