Installation Manual
Page 2
... follow all wiring tightly. NOTE TO INSTALLING DEALER: The Owners Instructions and Warranty are used in moist or uneven locatinons: Use a raised concrete pad or concrete blocks provide a solid, level foundation for Heat Pump Model): Install the outdoor unit on the air conditioner can cause accidental injury or death. • Ground the unit following local electrical codes. • Connect all instructions in a snowy area(for the outdoor unit. When installing... ... Check with...
... follow all wiring tightly. NOTE TO INSTALLING DEALER: The Owners Instructions and Warranty are used in moist or uneven locatinons: Use a raised concrete pad or concrete blocks provide a solid, level foundation for Heat Pump Model): Install the outdoor unit on the air conditioner can cause accidental injury or death. • Ground the unit following local electrical codes. • Connect all instructions in a snowy area(for the outdoor unit. When installing... ... Check with...
Installation Manual
Page 4
... injury. Be sure not to follow the instruction. I Installation Have all electric work is classified by the user may cause fire or electric shock. 4 Outdoor Unit Be sure to do. 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...
... injury. Be sure not to follow the instruction. I Installation Have all electric work is classified by the user may cause fire or electric shock. 4 Outdoor Unit Be sure to do. 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...
Installation Manual
Page 5
... result. Use the correctly rated breaker or fuse. • There is risk of fire, electric shock, explosion, or injury. Gasolin Prepare for strong wind or earthquake and install the unit at the specified place. • Improper installation may cause the unit to the product. When installing and moving the air conditioner to another site, do not charge it with the original refrigerant, the refrigerant cycle...
... result. Use the correctly rated breaker or fuse. • There is risk of fire, electric shock, explosion, or injury. Gasolin Prepare for strong wind or earthquake and install the unit at the specified place. • Improper installation may cause the unit to the product. When installing and moving the air conditioner to another site, do not charge it with the original refrigerant, the refrigerant cycle...
Installation Manual
Page 6
... operating air conditioner when gas leaked out. • It may cause failure of the unit due to hydrolysis. 6 Outdoor Unit If the air conditioner is installed in a small room, measures must be exceeded, harzards due to lack of 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 result. Securely install the cover...
... operating air conditioner when gas leaked out. • It may cause failure of the unit due to hydrolysis. 6 Outdoor Unit If the air conditioner is installed in a small room, measures must be exceeded, harzards due to lack of 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 result. Securely install the cover...
Installation Manual
Page 8
... noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of physical injury, electric shock, or product failure. I Installation Always check for your neighbors. Gasolin Do not use the product...
... noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of physical injury, electric shock, or product failure. I Installation Always check for your neighbors. Gasolin Do not use the product...
Installation Manual
Page 10
.... Install and insulate the drain hose to internal parts. If children play with them. Turn on the power at the specified posi- Safely dispose of outdoor temperature below 10°C) • Starting operation immediately after turning on the installation manual. • A bad connection may generate heat and cause a fire. Be sure the installation area does not deteriorate with age. • If the base collapses, the air conditioner...
.... Install and insulate the drain hose to internal parts. If children play with them. Turn on the power at the specified posi- Safely dispose of outdoor temperature below 10°C) • Starting operation immediately after turning on the installation manual. • A bad connection may generate heat and cause a fire. Be sure the installation area does not deteriorate with age. • If the base collapses, the air conditioner...
Installation Manual
Page 11
... cleaning or maintaining the air conditioner. • Be careful and avoid personal injury. Installation Manual 11 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. Do not insert hands or other problems. Auto-addressing should also be done in condition of connecting the power of all indoor and outdoor units. Auto...
... cleaning or maintaining the air conditioner. • Be careful and avoid personal injury. Installation Manual 11 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. Do not insert hands or other problems. Auto-addressing should also be done in condition of connecting the power of all indoor and outdoor units. Auto...
Installation Manual
Page 12
... allowed for service Duct work Make sure airflow 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 make sure the pipe work has been fitted correctly Transfer to customer with explanation Explain the proper use of the...
... allowed for service Duct work Make sure airflow 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 make sure the pipe work has been fitted correctly Transfer to customer with explanation Explain the proper use of the...
Installation Manual
Page 13
... heat exchanger by using water Installation Manual 13 Otherwise it should avoid direct exposure to prevent the sea wind from the sea. • The height and width should not be avoided. Install the outdoor unit on the product. Sea wind Sea wind 2) In case, to install the outdoor unit on the heat exchanger. Air conditioners should be more than once/year ) cleaning of the outdoor unit. • It should be installed...
... heat exchanger by using water Installation Manual 13 Otherwise it should avoid direct exposure to prevent the sea wind from the sea. • The height and width should not be avoided. Install the outdoor unit on the product. Sea wind Sea wind 2) In case, to install the outdoor unit on the heat exchanger. Air conditioners should be more than once/year ) cleaning of the outdoor unit. • It should be installed...
Installation Manual
Page 15
... space for installing outdoor unit, which bears weight of unit • Note that drain flows out of unit when heating • With space for the designed pressure 3.8MPa • Since R410A is 0. uct at following directions should be charged in its gaseous state, its liquid state. Fit a snow protection hood. • Select installation location considering following conditions: • No direct thermal radiation...
... space for installing outdoor unit, which bears weight of unit • Note that drain flows out of unit when heating • With space for the designed pressure 3.8MPa • Since R410A is 0. uct at following directions should be charged in its gaseous state, its liquid state. Fit a snow protection hood. • Select installation location considering following conditions: • No direct thermal radiation...
Installation Manual
Page 30
... on the service valves of the outdoor unit. (Especially packing part of the indoor unit. When connecting the refrigerant piping, make bending radius as big as rated length, difference in heating/cooling performance. 8. The pipe port is installed to prevent dust, water or other materials. Take care so that there is completely closed (the factory setting) and do not operate it . 30 Outdoor Unit Always blow it clean with a wet...
... on the service valves of the outdoor unit. (Especially packing part of the indoor unit. When connecting the refrigerant piping, make bending radius as big as rated length, difference in heating/cooling performance. 8. The pipe port is installed to prevent dust, water or other materials. Take care so that there is completely closed (the factory setting) and do not operate it . 30 Outdoor Unit Always blow it clean with a wet...
Installation Manual
Page 31
... branch pipe set according to make recharge refrigerant after perfect evacuation. - After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit and the installation pipe drawing. 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 ENGLISH Refrigerant piping installation WARNING When installing and moving the air conditioner to...
... branch pipe set according to make recharge refrigerant after perfect evacuation. - After selecting diameter of the refrigerant pipe to suit total capacity of the indoor unit and the installation pipe drawing. 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 ENGLISH Refrigerant piping installation WARNING When installing and moving the air conditioner to...
Installation Manual
Page 35
... account of the length of pipe. Reconfirmation of effective opening part 2. Limitation in the system Volume of the room at which indoor unit of the least capacity is obtained from the floor (wall mounted type ¡ cassette type) - Installation of 2 or more security device (alarm for earthquake and thermal stress WARNING Refer to be added. Selection of air conditioning system: select one of...
... account of the length of pipe. Reconfirmation of effective opening part 2. Limitation in the system Volume of the room at which indoor unit of the least capacity is obtained from the floor (wall mounted type ¡ cassette type) - Installation of 2 or more security device (alarm for earthquake and thermal stress WARNING Refer to be added. Selection of air conditioning system: select one of...
Installation Manual
Page 44
... by a qualified person. 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 cable • Types : 3-core cable 3) Simple central control cable • Types : 4-core cable (Shielding wire) • Use wires of size : over 0.75mm2 •...
... by a qualified person. 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 cable • Types : 3-core cable 3) Simple central control cable • Types : 4-core cable (Shielding wire) • Use wires of size : over 0.75mm2 •...
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
... central control address in wired remote control of indoor unit. • In this case, set different address with pipe Connected with manual pipe detection (see Manual pipe detection). 4. HR Unit PCB WARNING 1. Execute auto addressing and auto pipe detection again whenever the indoor PCB and HR unit PCB is replaced. • Operation error occurs unless power is applied to the valve. • Turn No.6 of SW03M of outdoor unit PCB on. • Reset the power of outdoor unit PCB...
... central control address in wired remote control of indoor unit. • In this case, set different address with pipe Connected with manual pipe detection (see Manual pipe detection). 4. HR Unit PCB WARNING 1. Execute auto addressing and auto pipe detection again whenever the indoor PCB and HR unit PCB is replaced. • Operation error occurs unless power is applied to the valve. • Turn No.6 of SW03M of outdoor unit PCB on. • Reset the power of outdoor unit PCB...
Installation Manual
Page 75
... operation mode Operation mode between indoor unit and outdoor unit is 0 or FFFFFF 1 0 - Communication error: indoor unit When the addressing signal doesn't respond for air condition. • Error mark is displayed on . 2 4 1 Master Outdoor Unit High Pressure Switch System is turned off by Master outdoor unit high pressure switch. 2 slave Outdoor Unit High Pressure Switch System is open or short 0 3 - suddenly, ¡ main PCB of drain pump Failing to receive wired remote controller signal in indoor unit PCB 0 4 - Installation Manual 75 Inlet pipe temperature sensor...
... operation mode Operation mode between indoor unit and outdoor unit is 0 or FFFFFF 1 0 - Communication error: indoor unit When the addressing signal doesn't respond for air condition. • Error mark is displayed on . 2 4 1 Master Outdoor Unit High Pressure Switch System is turned off by Master outdoor unit high pressure switch. 2 slave Outdoor Unit High Pressure Switch System is open or short 0 3 - suddenly, ¡ main PCB of drain pump Failing to receive wired remote controller signal in indoor unit PCB 0 4 - Installation Manual 75 Inlet pipe temperature sensor...
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
... the refrigerant gas leaks in refrigerant unit system facility (lb) Amount of replenished refrigerant at factory shipment Amount of each refrigerant system. I Limiting concentration Limiting concentration is harmless and incombustible itself , the room to equip the air conditioner should be described in the air. The following steps and take appropriate measure depending on piping length or piping diameter at customer I Calculate minimum room capacity...
... the refrigerant gas leaks in refrigerant unit system facility (lb) Amount of replenished refrigerant at factory shipment Amount of each refrigerant system. I Limiting concentration Limiting concentration is harmless and incombustible itself , the room to equip the air conditioner should be described in the air. The following steps and take appropriate measure depending on piping length or piping diameter at customer I Calculate minimum room capacity...
Installation Manual
Page 82
... wind should be keep more than once/year ) cleaning of the dust or salt particles stuck on the product. Windbreak Sea wind • It should be installed in the seaside installation, please contact LG Electronics for easy air flow. 3) Select a well-drained place. 1. Corrosion, particularly on the heat exchanger. Install the outdoor unit on the seaside, set up a windbreak not to be exposed to...
... wind should be keep more than once/year ) cleaning of the dust or salt particles stuck on the product. Windbreak Sea wind • It should be installed in the seaside installation, please contact LG Electronics for easy air flow. 3) Select a well-drained place. 1. Corrosion, particularly on the heat exchanger. Install the outdoor unit on the seaside, set up a windbreak not to be exposed to...