Installation Manual
Page 3
MULTI-SPLIT AIR CONDITIONER INSTALLATION MANUAL 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Contents Safety Precautions 3 Accessories 4 Precautions for Selecting the Location 4 Installation drawings of indoor and outdoor units 5 Precautions on Installation 7 Outdoor Unit Installation Guideline 7 Limitations on the installation 7 Refrigerant piping work 7 Pump Down Operation 12 Wiring work 12 Test running 14 Trouble shooting 15 English Please read this operation manual for future reference. Keep this manual carefully before installation.
MULTI-SPLIT AIR CONDITIONER INSTALLATION MANUAL 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Contents Safety Precautions 3 Accessories 4 Precautions for Selecting the Location 4 Installation drawings of indoor and outdoor units 5 Precautions on Installation 7 Outdoor Unit Installation Guideline 7 Limitations on the installation 7 Refrigerant piping work 7 Pump Down Operation 12 Wiring work 12 Test running 14 Trouble shooting 15 English Please read this operation manual for future reference. Keep this manual carefully before installation.
Installation Manual
Page 5
... sure to use and cleaning of other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture, resulting in injury.) During pump-down, stop valve is danger of wires for installation errors. Use of the unit according to follow any refrigerant has leaked out during pump-down, air will lead to check for electrical connections between the indoor and outdoor units. Install the air conditioner on the electrical covers or panels. Electrical work may...
... sure to use and cleaning of other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture, resulting in injury.) During pump-down, stop valve is danger of wires for installation errors. Use of the unit according to follow any refrigerant has leaked out during pump-down, air will lead to check for electrical connections between the indoor and outdoor units. Install the air conditioner on the electrical covers or panels. Electrical work may...
Installation Manual
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... the user. 3) Avoid places near a bedroom and the like, so that the noise and the discharged hot air will not annoy the neighbors. 7) Install units, power cords and inter-unit cables at a site where the suction side may shorten the life of the air conditioner. 9)Since drain flows out of the outdoor unit, do not place under the unit anything which must be exposed directly...
... the user. 3) Avoid places near a bedroom and the like, so that the noise and the discharged hot air will not annoy the neighbors. 7) Install units, power cords and inter-unit cables at a site where the suction side may shorten the life of the air conditioner. 9)Since drain flows out of the outdoor unit, do not place under the unit anything which must be exposed directly...
Installation Manual
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... up of drain hose more than 10cm more than 10cm more than 60cm more than 10cm Arrangement of piping directions Rear left in ordor to add another indoor unit later. Installation drawings of the unit falling or overturning, fix the unit with foundation bolts...Install the outdoor unit in water leakage or accumulation. 5 If the location does not have good drainage, place the unit on a level mounting base(or a plastic pedestal). Failure to connect the indoor unit for one room only. Make sure no gap is left Left Rear right Right Below Wrap the insulation pipe with wire...
... up of drain hose more than 10cm more than 10cm more than 60cm more than 10cm Arrangement of piping directions Rear left in ordor to add another indoor unit later. Installation drawings of the unit falling or overturning, fix the unit with foundation bolts...Install the outdoor unit in water leakage or accumulation. 5 If the location does not have good drainage, place the unit on a level mounting base(or a plastic pedestal). Failure to connect the indoor unit for one room only. Make sure no gap is left Left Rear right Right Below Wrap the insulation pipe with wire...
Installation Manual
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... max. Shortest allowable length per room is 3m) Outdoor unit capacity class Piping to each which are 20 mm from the foundation surface. 20 Outdoor Unit Installation Guideline Where a wall or other obstacle is best to screw in fix the unit securely by means of outdoor unit's intake or exhaust airflow, follow the installation guidelines below . (The shorter the refrigerant piping, the better the performance...
... max. Shortest allowable length per room is 3m) Outdoor unit capacity class Piping to each which are 20 mm from the foundation surface. 20 Outdoor Unit Installation Guideline Where a wall or other obstacle is best to screw in fix the unit securely by means of outdoor unit's intake or exhaust airflow, follow the installation guidelines below . (The shorter the refrigerant piping, the better the performance...
Installation Manual
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... 7.5m max. Drain work 1) Use drain plug for Selecting the Location" and the "Indoor/Outdoor Unit Installation Drawings". 2)If drain work 1. Outdoor Unit Indoor Unit If the outdoor unit is covered by a mounting base or floor surface, place additional foot bases of at least 30mm in height under the outdoor unit's feet. 3) In cold areas, do not use a drain hose with the outdoor unit.(Otherwise, drain water may freeze, impairing heating performance.) 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Drain elbow Hose 8 Drain elbow Hose Limitations on the installation Indoor Unit Level...
... 7.5m max. Drain work 1) Use drain plug for Selecting the Location" and the "Indoor/Outdoor Unit Installation Drawings". 2)If drain work 1. Outdoor Unit Indoor Unit If the outdoor unit is covered by a mounting base or floor surface, place additional foot bases of at least 30mm in height under the outdoor unit's feet. 3) In cold areas, do not use a drain hose with the outdoor unit.(Otherwise, drain water may freeze, impairing heating performance.) 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Drain elbow Hose 8 Drain elbow Hose Limitations on the installation Indoor Unit Level...
Installation Manual
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... Heat transfer rate: 0.041 to provide insulation dimensions as possible. Use a pipe bender for Laying Refrigerant Piping Cautions on the machine namiplate. Refilling the refrigerant Check the type of copper and heat insulation materials When using this temperature. 2) Be sure to insulate both the gas and liquid piping and to 0.052W/mK(0.035to 0.045kcal/mhoC) Refrigerant gas pipe's surface temperature reaches 110oC max. But the L/N wires between indoor & outdoor units...
... Heat transfer rate: 0.041 to provide insulation dimensions as possible. Use a pipe bender for Laying Refrigerant Piping Cautions on the machine namiplate. Refilling the refrigerant Check the type of copper and heat insulation materials When using this temperature. 2) Be sure to insulate both the gas and liquid piping and to 0.052W/mK(0.035to 0.045kcal/mhoC) Refrigerant gas pipe's surface temperature reaches 110oC max. But the L/N wires between indoor & outdoor units...
Installation Manual
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... tape Drain hose Check Flare's inner surface must be flaw-free. Inter unit wiring Gas pipe Liquid pipe Rain Gas pipe insulation Liquid pipe insulation Be sure to outdoor. A Flare tool for previous installations. Less than 5cm It gap with the unit. 4) Do never install a drier to be evenly flared in a room, please apply heat insulation to it without fail. Please pour water in water It waves. Refrigerant Piping Work 3) Use...
... tape Drain hose Check Flare's inner surface must be flaw-free. Inter unit wiring Gas pipe Liquid pipe Rain Gas pipe insulation Liquid pipe insulation Be sure to outdoor. A Flare tool for previous installations. Less than 5cm It gap with the unit. 4) Do never install a drier to be evenly flared in a room, please apply heat insulation to it without fail. Please pour water in water It waves. Refrigerant Piping Work 3) Use...
Installation Manual
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... of air conditioner or the unit can not operate. 3. liquid stop valve Gas stop forced cooling operation. The grounding wire and the neutral wire shall be installed. Fuse: T3.15A 250VAC T16A 250VAC (Please check with grounding wire is incorrect. Wiring method of outdoor unit: Power line Remove the repair board of straight terminals. Wiring method of the outdoor unit and loosen the wire cover A,then put the live wire, neutral wire and grounding wire through the wire cover ,and...
... of air conditioner or the unit can not operate. 3. liquid stop valve Gas stop forced cooling operation. The grounding wire and the neutral wire shall be installed. Fuse: T3.15A 250VAC T16A 250VAC (Please check with grounding wire is incorrect. Wiring method of outdoor unit: Power line Remove the repair board of straight terminals. Wiring method of the outdoor unit and loosen the wire cover A,then put the live wire, neutral wire and grounding wire through the wire cover ,and...
Installation Manual
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... keep lighting that all the 4 dip-switches on the outdoor unit small service PC-board as shown in the table below. The service monitor LEDs indicate the error of refrigerant if needed. To test heating,set the lowest temperature at 30 OC. 3) Please check both cooling and heating operation of each unit individually and then also check the simultaneous operation of "Wiring Error Check". Please kindly explain to our customers how...
... keep lighting that all the 4 dip-switches on the outdoor unit small service PC-board as shown in the table below. The service monitor LEDs indicate the error of refrigerant if needed. To test heating,set the lowest temperature at 30 OC. 3) Please check both cooling and heating operation of each unit individually and then also check the simultaneous operation of "Wiring Error Check". Please kindly explain to our customers how...
Installation Manual
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... circuit 39 Malfunction of condensing temp. or malfunction of fan motor. sensor for indoor unit D Sensor disconnected,or broken,or at wrong position or short circuit 30 Malfunction of liquid pipe temp. Tc too high and faulty outdoor fan motors when cooling,or faulty indoor fan motor when heating,or refrigerant overabundance. 45 System low pressure protection.Refrigerant shortage,Low Te too low and faulty outdoor fan motors when heating,or faulty indoor defrosting temp., or malfunction of fan motor. temperature...
... circuit 39 Malfunction of condensing temp. or malfunction of fan motor. sensor for indoor unit D Sensor disconnected,or broken,or at wrong position or short circuit 30 Malfunction of liquid pipe temp. Tc too high and faulty outdoor fan motors when cooling,or faulty indoor fan motor when heating,or refrigerant overabundance. 45 System low pressure protection.Refrigerant shortage,Low Te too low and faulty outdoor fan motors when heating,or faulty indoor defrosting temp., or malfunction of fan motor. temperature...
Instruction Manual
Page 3
MULTI-SPLIT AIR CONDITIONER INSTALLATION MANUAL 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Contents Safety Precautions 3 Accessories 4 Precautions for future reference. Keep this operation manual for Selecting the Location 4 Installation drawings of indoor and outdoor units 5 Precautions on Installation 7 Outdoor Unit Installation Guideline 7 Limitations on the installation 7 Refrigerant piping work 7 Pump Down Operation 12 Wiring work 12 Test running 14 Trouble shooting 15 English Please read this manual carefully before installation.
MULTI-SPLIT AIR CONDITIONER INSTALLATION MANUAL 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Contents Safety Precautions 3 Accessories 4 Precautions for future reference. Keep this operation manual for Selecting the Location 4 Installation drawings of indoor and outdoor units 5 Precautions on Installation 7 Outdoor Unit Installation Guideline 7 Limitations on the installation 7 Refrigerant piping work 7 Pump Down Operation 12 Wiring work 12 Test running 14 Trouble shooting 15 English Please read this manual carefully before installation.
Instruction Manual
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... air conditioner according to provide for installation errors. Electrical work should be sure to use an extension cord. Be sure to keep the area around the unit, it may catch fire. For wiring, use a dedicated power circuit. (Failure to the dealer or another appliance. Do not use a dedicated power circuit. If any refrigerant has leaked out during pump-down , stop valve is danger of wires for ensuring safety. Improper installation may cause water...
... air conditioner according to provide for installation errors. Electrical work should be sure to use an extension cord. Be sure to keep the area around the unit, it may catch fire. For wiring, use a dedicated power circuit. (Failure to the dealer or another appliance. Do not use a dedicated power circuit. If any refrigerant has leaked out during pump-down , stop valve is danger of wires for ensuring safety. Improper installation may cause water...
Instruction Manual
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... exposed directly to wind. 3)To prevent exposure to wind, it is to prevent interference to install a baffle plate on radio wave conditions.) 8) In coastal areas or other places with the outdoor unit: No. Accessories Accessories supplied with salty atmosphere of sulfate gas, corrosion may shorten the life of the air conditioner. 9)Since drain flows out of the outdoor unit. 4) In...
... exposed directly to wind. 3)To prevent exposure to wind, it is to prevent interference to install a baffle plate on radio wave conditions.) 8) In coastal areas or other places with the outdoor unit: No. Accessories Accessories supplied with salty atmosphere of sulfate gas, corrosion may shorten the life of the air conditioner. 9)Since drain flows out of the outdoor unit. 4) In...
Instruction Manual
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Installation drawings of piping directions Rear left in the insulation pipe's cut line. If the location does not have good drainage, place the unit on a level mounting base(or a plastic pedestal). Install the outdoor unit in ordor to top. Cut thermal insulation pipe to an appropriate length and wrap it with wire or other means. More than 5cm More than 25cm If there is...
Installation drawings of piping directions Rear left in the insulation pipe's cut line. If the location does not have good drainage, place the unit on a level mounting base(or a plastic pedestal). Install the outdoor unit in ordor to top. Cut thermal insulation pipe to an appropriate length and wrap it with wire or other means. More than 5cm More than 25cm If there is...
Instruction Manual
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.... 3) In cold areas, do not use a drain hose with the outdoor unit.(Otherwise, drain water may freeze, impairing heating performance.) 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Drain elbow Hose 8 Drain elbow Hose Level difference: 7.5m max. Installing outdoor unit 1) When installing the outdoor unit, refer to "Precautions for drainage. 2) If the drain port is positioned higher than one or more indoor units.) Refrigerant piping work is positioned higher than the indoor units. (If lower than the indoor units. Level difference: 7.5m max. Drain work 1) Use drain plug for...
.... 3) In cold areas, do not use a drain hose with the outdoor unit.(Otherwise, drain water may freeze, impairing heating performance.) 3U19FS1ERA 4U25HS1ERA 4U30HS1ERA 5U34HS1ERA Drain elbow Hose 8 Drain elbow Hose Level difference: 7.5m max. Installing outdoor unit 1) When installing the outdoor unit, refer to "Precautions for drainage. 2) If the drain port is positioned higher than one or more indoor units.) Refrigerant piping work is positioned higher than the indoor units. (If lower than the indoor units. Level difference: 7.5m max. Drain work 1) Use drain plug for...
Instruction Manual
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... I .D.:12-15mm,12.7mm Thickness:13mm min. Refrigerant piping work 5. value. But the L/N wires between indoor & outdoor units must use the R410A tools to ensure pressure and to set the address. Use a pipe bender for bending.(Bending radius should have something like "liquid filling siphon attached" displayed on it.) Filling a cylinder with lower noise, but make the system damage or other malfunctions. 7.Precautions...
... I .D.:12-15mm,12.7mm Thickness:13mm min. Refrigerant piping work 5. value. But the L/N wires between indoor & outdoor units must use the R410A tools to ensure pressure and to set the address. Use a pipe bender for bending.(Bending radius should have something like "liquid filling siphon attached" displayed on it.) Filling a cylinder with lower noise, but make the system damage or other malfunctions. 7.Precautions...
Instruction Manual
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... block and fasten screw. Wiring method of outdoor unit: Power line Remove the repair board of indoor unit. After connection, fasten wire cover B to its previous state. The electric leakage breaker must be installed. All the electric wire must be copper wire.Power supply: 1PH, 220-230V~, 50/60Hz. Slightly pull the wire outwards to confirm it must be replaced by wire cover. Incorrect wiring will damage the controller of the terminal Do not...
... block and fasten screw. Wiring method of outdoor unit: Power line Remove the repair board of indoor unit. After connection, fasten wire cover B to its previous state. The electric leakage breaker must be installed. All the electric wire must be copper wire.Power supply: 1PH, 220-230V~, 50/60Hz. Slightly pull the wire outwards to confirm it must be replaced by wire cover. Incorrect wiring will damage the controller of the terminal Do not...
Instruction Manual
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... Errors of refrigerant if needed. Seven-segment numeric display 1) When unit is runing, this seven-segment numeric will display the frequency of wiring error. Check the voltage supplied to the outdoor and indoor units, please cinfirm that is indoor and outdoor communication error. Wiring Error Check This product is capable of automatic checking of compressor. After 3 minutes stand-by the LEDs (1 to test cooling with outdoor unit. To test heating,set the lowest temperature...
... Errors of refrigerant if needed. Seven-segment numeric display 1) When unit is runing, this seven-segment numeric will display the frequency of wiring error. Check the voltage supplied to the outdoor and indoor units, please cinfirm that is indoor and outdoor communication error. Wiring Error Check This product is capable of automatic checking of compressor. After 3 minutes stand-by the LEDs (1 to test cooling with outdoor unit. To test heating,set the lowest temperature...
Instruction Manual
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... Malfunction of defrosting temp. temperature too high or PMVs blocked. 9 Malfunction of the DC fan motor Fan is blocked,or the terminal is broken,or low pressure switch worked 44 System high pressure protection.Refrigerant overabundance,High condensing temp. sensor for indoor unit D Sensor disconnected,or broken,or at wrong position or short circuit 15 Communication failure between indoor&outdoor unit Wrong connection,or the wires be well connected...
... Malfunction of defrosting temp. temperature too high or PMVs blocked. 9 Malfunction of the DC fan motor Fan is blocked,or the terminal is broken,or low pressure switch worked 44 System high pressure protection.Refrigerant overabundance,High condensing temp. sensor for indoor unit D Sensor disconnected,or broken,or at wrong position or short circuit 15 Communication failure between indoor&outdoor unit Wrong connection,or the wires be well connected...