◎This installation manual deals with outdoor units and general installation speciﬁcations only. For indoor units, refer to the respective installation manuals

supplied with the units.

◎When install the unit, be sure to check whether the selection of installation place, power supply speciﬁcations, usage limitation (piping length, height

supplied with the units.

◎When install the unit, be sure to check whether the selection of installation place, power supply speciﬁcations, usage limitation (piping length, height

differences between indoor and outdoor units, power supply voltage and etc.) and installation spaces.

●

We recommend you to read this "SAFETY PRECAUTIONS" carefully before the installation work in order to gain full advantage of the functions of the unit and to

●

We recommend you to read this "SAFETY PRECAUTIONS" carefully before the installation work in order to gain full advantage of the functions of the unit and to

avoid malfunction due to mishandling.

●

The precautions described below are divided into

●

The precautions described below are divided into

death or serious personal injury due to erroneous handling are listed in the

damage of the unit due to erroneous handling including probability leading to serious consequences in some cases are listed in

death or serious personal injury due to erroneous handling are listed in the

damage of the unit due to erroneous handling including probability leading to serious consequences in some cases are listed in

very important precautions for safety. Be sure to observe all of them without fail.

●

The meaning of "Marks" used here are as shown below.

●

The meaning of "Marks" used here are as shown below.

Never do it under any circumstance.

●

For 3 phase power source outdoor unit,EN61000-3-2 is not applicable if consent by the utility company or nortiﬁcation to the utility company is given before usage.

●

For 3 phase power source outdoor unit,EN61000-3-2 is not applicable if consent by the utility company or nortiﬁcation to the utility company is given before usage.

3 phase power source unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment. If installed as a house-hold

●

appliance it could cause electromagnetic interference.

3 phase power source unit, both indoor and outdoor, is suitable for installation in a commercial and light industrial environment. If installed as a house-hold

●

5 and 6 HP units of single phase power source are equipment complying with IEC 61000-3-12.

appliance it could cause electromagnetic interference.

●

5 and 6 HP units of single phase power source are equipment complying with IEC 61000-3-12.

Be sure to conﬁrm no anomaly on the equipment by commissioning after completed installation and explain the operating methods as well as the maintenance

●

Be sure to conﬁrm no anomaly on the equipment by commissioning after completed installation and explain the operating methods as well as the maintenance

methods of this equipment to the user according to the owner's manual.

●

methods of this equipment to the user according to the owner's manual.

Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user

●

Keep the installation manual together with owner's manual at a place where any user can read at any time. Moreover if necessary, ask to hand them to a new user

● Installation must be carried out by the qualiﬁed installer.

If you install the system by yourself, it may cause serious trouble such as water leaks, electric shocks, ﬁre and personal injury, as a result of a system

malfunction.

If you install the system by yourself, it may cause serious trouble such as water leaks, electric shocks, ﬁre and personal injury, as a result of a system

● Install the system in full accordance with the instruction manual.

malfunction.

Incorrect installation may cause bursts, personal injury, water leaks, electric shocks and ﬁre.

● Install the system in full accordance with the instruction manual.

● Use the original accessories and the speciﬁed components for installation.

Incorrect installation may cause bursts, personal injury, water leaks, electric shocks and ﬁre.

● Use the original accessories and the speciﬁed components for installation.

If parts other than those prescribed by us are used, It may cause fall of the unit, water leaks, electric shocks, ﬁre, refrigerant leak, substandard

performance, control failure and personal injury.

If parts other than those prescribed by us are used, It may cause fall of the unit, water leaks, electric shocks, ﬁre, refrigerant leak, substandard

● When installing in small rooms, take prevention measures not to exceed the density limit of refrigerant

performance, control failure and personal injury.

● When installing in small rooms, take prevention measures not to exceed the density limit of refrigerant

accordance with ISO5149.

Consult the expert about prevention measures. If the density of refrigerant exceeds the limit in the event of leakage, lack of oxygen can occur, which

accordance with ISO5149.

can cause serious accidents.

Consult the expert about prevention measures. If the density of refrigerant exceeds the limit in the event of leakage, lack of oxygen can occur, which

● Ventilate the working area well in the event of refrigerant leakage during installation.

can cause serious accidents.

● Ventilate the working area well in the event of refrigerant leakage during installation.

If the refrigerant comes into contact with naked ﬂames, poisonous gas is produced.

● After completed installation, check that no refrigerant leaks from the system.

If the refrigerant comes into contact with naked ﬂames, poisonous gas is produced.

If refrigerant leaks into the room and comes into contact with an oven or other hot surface, poisonous gas is produced.

● After completed installation, check that no refrigerant leaks from the system.

● Hang up the unit at the speciﬁed points with ropes which can support the weight in lifting for portage. And to avoid jolting out of alignment,

If refrigerant leaks into the room and comes into contact with an oven or other hot surface, poisonous gas is produced.

be sure to hang up the unit at 4-point support.

● Hang up the unit at the speciﬁed points with ropes which can support the weight in lifting for portage. And to avoid jolting out of alignment,

An improper manner of portage such as 3-point support can cause death or serious personal injury due to falling of the unit

be sure to hang up the unit at 4-point support.

● Install the unit in a location with good support.

An improper manner of portage such as 3-point support can cause death or serious personal injury due to falling of the unit

● Install the unit in a location with good support.

Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury.

● Ensure the unit is stable when installed, so that it can withstand earthquakes and strong winds.

Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury.

● Ensure the unit is stable when installed, so that it can withstand earthquakes and strong winds.

Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury.

● The electrical installation must be carried out by the qualiﬁed electrician in accordance with "the norm for electrical work" and "national

Unsuitable installation locations can cause the unit to fall and cause material damage and personal injury.

● The electrical installation must be carried out by the qualiﬁed electrician in accordance with "the norm for electrical work" and "national

wiring regulation", and the system must be connected to the dedicated circuit.

Power supply with insufﬁcient capacity and incorrect function done by improper work can cause electric shocks and ﬁre,

wiring regulation", and the system must be connected to the dedicated circuit.

● Be sure to shut off the power before starting electrical work.

Power supply with insufﬁcient capacity and incorrect function done by improper work can cause electric shocks and ﬁre,

Failure to shut off the power can cause electric shocks, unit failure or incorrect function of equipment.

● Be sure to shut off the power before starting electrical work.

● Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work.

Failure to shut off the power can cause electric shocks, unit failure or incorrect function of equipment.

● Be sure to use the cables conformed to safety standard and cable ampacity for power distribution work.

Unconformable cables can cause electric leak, anomalous heat production or ﬁre.

● Use the prescribed cables for electrical connection, tighten the cables securely in terminal block and relieve the cables correctly to prevent

Unconformable cables can cause electric leak, anomalous heat production or ﬁre.

● Use the prescribed cables for electrical connection, tighten the cables securely in terminal block and relieve the cables correctly to prevent

overloading the terminal blocks.

Loose connections or cable mountings can cause anomalous heat production or ﬁre.

overloading the terminal blocks.

● Arrange the wiring in the control box so that it cannot be pushed up further into the box. Install the service panel correctly.

Loose connections or cable mountings can cause anomalous heat production or ﬁre.

● Arrange the wiring in the control box so that it cannot be pushed up further into the box. Install the service panel correctly.

Incorrect installation may result in overheating and ﬁre.

● Carry out the electrical work for ground lead with care

Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as

electric shocks due to short-circuiting. Never connect the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition.

Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line's ground lead. Incorrect grounding can cause unit faults such as

● Use the circuit breaker for all pole with correct capacity.

electric shocks due to short-circuiting. Never connect the grounding wire to a gas pipe because if gas leaks,it could cause explosion or ignition.

Using the incorrect circuit breaker, it can cause the unit malfunction and ﬁre.

● Use the circuit breaker for all pole with correct capacity.

● Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations.

Using the incorrect circuit breaker, it can cause the unit malfunction and ﬁre.

The isolator should be locked in accordanced with EN60204-1．

● Install isolator or disconnect switch on the power supply wiring in accordance with the local codes and regulations.

● Take care when carrying the unit by hand.

The isolator should be locked in accordanced with EN60204-1．

● Take care when carrying the unit by hand.

If the unit weights more than 20kg, it must be carried by two or more persons. Do not carry by the plastic straps, always use the carry handle when carrying the

unit by hand. Use gloves to minimize the risk of cuts by the aluminum ﬁns.

If the unit weights more than 20kg, it must be carried by two or more persons. Do not carry by the plastic straps, always use the carry handle when carrying the

● Dispose of any packing materials correctly.

unit by hand. Use gloves to minimize the risk of cuts by the aluminum ﬁns.

Any remaining packing materials can cause personal injury as it contains nails and wood. And to avoid danger of suffocation, be sure to keep the plastic

● Dispose of any packing materials correctly.

wrapper away from children and to dispose after tear it up.

Any remaining packing materials can cause personal injury as it contains nails and wood. And to avoid danger of suffocation, be sure to keep the plastic

● Pay attention not to damage the drain pan by weld spatter when welding work is done near the indoor unit.

wrapper away from children and to dispose after tear it up.

If weld spatter entered into the indoor unit during welding work, it can cause pin-hole in drain pan and result in water leakage. To prevent such damage, keep the indoor unit in its packing or cover it.

● Pay attention not to damage the drain pan by weld spatter when welding work is done near the indoor unit.

● Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them.

Insufﬁcient insulation can cause condensation, which can lead to moisture damage on the ceiling, ﬂoor, furniture and any other valuables.

● Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work.

Insufﬁcient insulation can cause condensation, which can lead to moisture damage on the ceiling, ﬂoor, furniture and any other valuables.

● Be sure to perform air tightness test by pressurizing with nitrogen gas after completed refrigerant piping work.

If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can occur, which can cause serious accidents.

● Perform installation work properly according to this installation manual.

If the density of refrigerant exceeds the limit in the event of refrigerant leakage in the small room, lack of oxygen can occur, which can cause serious accidents.

Improper installation can cause abnormal vibrations or increased noise generation.

● Perform installation work properly according to this installation manual.

● Earth leakage breaker must be installed

Improper installation can cause abnormal vibrations or increased noise generation.

If the earth leakage breaker is not installed, it can cause ﬁre or electric shocks.

● Earth leakage breaker must be installed

● Do not use any materials other than a fuse with the correct rating in the location where fuses are to be used.

If the earth leakage breaker is not installed, it can cause ﬁre or electric shocks.

● Do not use any materials other than a fuse with the correct rating in the location where fuses are to be used.

Connecting the circuit with copper wire or other metal thread can cause unit failure and ﬁre.

● Do not install the unit near the location where leakage of combustible gases can occur.

Connecting the circuit with copper wire or other metal thread can cause unit failure and ﬁre.

● Do not install the unit near the location where leakage of combustible gases can occur.

If leaked gases accumulate around the unit, it can cause ﬁre.

● Do not install the unit where corrosive gas (such as sulfurous acid gas etc.) or combustible gas (such as thinner and petroleum gases) can

If leaked gases accumulate around the unit, it can cause ﬁre.

accumulate or collect, or where volatile combustible substances are handled.

● Do not install the unit where corrosive gas (such as sulfurous acid gas etc.) or combustible gas (such as thinner and petroleum gases) can

Corrosive gas can cause corrosion of heat exchanger, breakage of plastic parts and etc. And combustible gas can cause ﬁre.

accumulate or collect, or where volatile combustible substances are handled.

● Secure a space for installation, inspection and maintenance speciﬁed in the manual.

Corrosive gas can cause corrosion of heat exchanger, breakage of plastic parts and etc. And combustible gas can cause ﬁre.

● Secure a space for installation, inspection and maintenance speciﬁed in the manual.

Insufﬁcient space can result in accident such as personal injury due to falling from the installation place..

● When the outdoor unit is installed on a roof or a high place, provide permanent ladders and handrails along the access route and fences and handrails around the outdoor unit.

Insufﬁcient space can result in accident such as personal injury due to falling from the installation place..

● When the outdoor unit is installed on a roof or a high place, provide permanent ladders and handrails along the access route and fences and handrails around the outdoor unit.

If safety facilities are not provided, it can cause personal injury due to falling from the installation place.

● Do not install nor use the system close to the equipment that generates electromagnetic ﬁelds or high frequency harmonics

If safety facilities are not provided, it can cause personal injury due to falling from the installation place.

● Do not install nor use the system close to the equipment that generates electromagnetic ﬁelds or high frequency harmonics

Equipment such as inverters, standby generators, medical high frequency equipments and telecommunication equipments can affect the system, and cause

malfunctions and breakdowns. The system can also affect medical equipment and telecommunication equipment, and obstruct its function or cause jamming.

Equipment such as inverters, standby generators, medical high frequency equipments and telecommunication equipments can affect the system, and cause

● Do not install the outdoor unit in a location where insects and small animals can inhabit.

malfunctions and breakdowns. The system can also affect medical equipment and telecommunication equipment, and obstruct its function or cause jamming.

Insects and small animals can enter the electric parts and cause damage or ﬁre. Instruct the user to keep the surroundings clean.

● Do not install the outdoor unit in a location where insects and small animals can inhabit.

Insects and small animals can enter the electric parts and cause damage or ﬁre. Instruct the user to keep the surroundings clean.

Notabilia as a unit designed for R410A

●

Do not use any refrigerant other than R410A. R410A will rise to pressure about 1.6 times higher than that of a conventional refrigerant.

●

Do not use any refrigerant other than R410A. R410A will rise to pressure about 1.6 times higher than that of a conventional refrigerant.

A cylinder containing R410A has a pink indication mark on the top.

●

A cylinder containing R410A has a pink indication mark on the top.

A unit designed for R410A has adopted a different size indoor unit operation valve charge port and a different size check joint provided in the unit to prevent the charging of a wrong refrigerant by mistake.

●

The processed dimension of the ﬂared part of a refrigerant pipe and a ﬂare nut's parallel side measurement have also been altered to raise strength against pressure. Accordingly, you are required to arrange

dedicated R410A tools listed in the table on the right before installing or servicing this unit.

●

dedicated R410A tools listed in the table on the right before installing or servicing this unit.

Do not use a charge cylinder. The use of a charge cylinder will cause the refrigerant composition to change, which results in performance degradation.

●

Do not use a charge cylinder. The use of a charge cylinder will cause the refrigerant composition to change, which results in performance degradation.

In charging refrigerant, always take it out from a cylinder in the liquid phase.

●

All indoor units must be models designed exclusively for R410A. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair proper system operation)

In charging refrigerant, always take it out from a cylinder in the liquid phase.

●

1. HAULAGE AND INSTALLATION

When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity

CAUTION

When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity

center position.

CAUTION

If not properly balanced, the unit can be thrown off-balance and fall.

center position.

1) Delivery

If not properly balanced, the unit can be thrown off-balance and fall.

1) Delivery

●

Deliver the unit as close as possible to the installation site before removing it from the packaging.

●

Deliver the unit as close as possible to the installation site before removing it from the packaging.

When some compelling reason necessitates the unpacking of the unit before it is carried in, use

●

nylon slings or protective wood pieces so as not to damage the unit by ropes lifting it.

When some compelling reason necessitates the unpacking of the unit before it is carried in, use

nylon slings or protective wood pieces so as not to damage the unit by ropes lifting it.

SAFETY PRECAUTIONS

WARNING

CAUTION

and

. The matters with possibilities leading to serious consequences such as

WARNING

CAUTION

and

WARNING

. The matters with possibilities leading to serious consequences such as

and the matters with possibilities leading to personal injury or

WARNING

and the matters with possibilities leading to personal injury or

Always do it according to the instruction

in the event of leakage

(Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.)

Wooden pallet

Page 56.

[ Accessory ]

Edging

. These are

CAUTION

. These are

●

Model name and power source

●

Model name and power source

●

Refrigerant piping length

●

Refrigerant piping length

●

Piping, wiring and miscellaneous small parts

●

Piping, wiring and miscellaneous small parts

●

Indoor unit installation manual

●

Indoor unit installation manual

WARNING

● Do not perform brazing work in the airtight room

It can cause lack of oxygen.

● Use the prescribed pipes, ﬂare nuts and tools for R410A.

It can cause lack of oxygen.

Using existing parts (for R22 or R407C) can cause the unit failure and serious accidents due to burst of the refrigerant circuit.

● Use the prescribed pipes, ﬂare nuts and tools for R410A.

● Tighten the ﬂare nut by using double spanners and torque wrench according to prescribed method. Be sure not to

Using existing parts (for R22 or R407C) can cause the unit failure and serious accidents due to burst of the refrigerant circuit.

tighten the ﬂare nut too much.

● Tighten the ﬂare nut by using double spanners and torque wrench according to prescribed method. Be sure not to

Loose ﬂare connection or damage on the ﬂare part by tightening with excess torque can cause burst or refrigerant leaks which

tighten the ﬂare nut too much.

may result in lack of oxygen.

Loose ﬂare connection or damage on the ﬂare part by tightening with excess torque can cause burst or refrigerant leaks which

● Do not open the service valves for liquid line and gas line until completed refrigerant piping work, air tightness test

may result in lack of oxygen.

● Do not open the service valves for liquid line and gas line until completed refrigerant piping work, air tightness test

and evacuation.

If the compressor is operated in state of opening service valves before completed connection of refrigerant piping work, you

and evacuation.

may incur frost bite or injury from an abrupt refrigerant outﬂow and air can be sucked into refrigerant circuit, which can cause

If the compressor is operated in state of opening service valves before completed connection of refrigerant piping work, you

burst or personal injury due to anomalously high pressure in the refrigerant

may incur frost bite or injury from an abrupt refrigerant outﬂow and air can be sucked into refrigerant circuit, which can cause

● Only use prescribed optional parts. The installation must be carried out by the qualiﬁed installer.

burst or personal injury due to anomalously high pressure in the refrigerant

● Only use prescribed optional parts. The installation must be carried out by the qualiﬁed installer.

If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, ﬁre.

● Do not perform any change of protective device itself or its setup condition

If you install the system by yourself, it can cause serious trouble such as water leaks, electric shocks, ﬁre.

The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use of non

● Do not perform any change of protective device itself or its setup condition

speciﬁed component can cause ﬁre or burst.

The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use of non

● Be sure to switch off the power supply in the event of installation, inspection or servicing.

speciﬁed component can cause ﬁre or burst.

● Be sure to switch off the power supply in the event of installation, inspection or servicing.

If the power supply is not shut off, there is a risk of electric shocks, unit failure or personal injury due to the unexpected start of fan.

● Consult the dealer or an expert regarding removal of the unit.

If the power supply is not shut off, there is a risk of electric shocks, unit failure or personal injury due to the unexpected start of fan.

● Consult the dealer or an expert regarding removal of the unit.

Incorrect installation can cause water leaks, electric shocks or ﬁre.

● Stop the compressor before closing valve and disconnecting refrigerant pipes in case of pump down operation.

Incorrect installation can cause water leaks, electric shocks or ﬁre.

● Stop the compressor before closing valve and disconnecting refrigerant pipes in case of pump down operation.

If disconnecting refrigerant pipes in state of opening service valves before compressor stopping, you may incur frost bite or

injury from an abrupt refrigerant outﬂow and air can be sucked, which can cause burst or personal injury due to anomalously

If disconnecting refrigerant pipes in state of opening service valves before compressor stopping, you may incur frost bite or

high pressure in the refrigerant circuit

injury from an abrupt refrigerant outﬂow and air can be sucked, which can cause burst or personal injury due to anomalously

● Ensure that no air enters in the refrigerant circuit when the unit is installed and removed.

high pressure in the refrigerant circuit

If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst and

● Ensure that no air enters in the refrigerant circuit when the unit is installed and removed.

personal injury.

If air enters in the refrigerant circuit, the pressure in the refrigerant circuit becomes too high, which can cause burst and

● Do not run the unit with removed panels or protections

personal injury.

Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric

● Do not run the unit with removed panels or protections

shocks.

Touching rotating equipments, hot surfaces or high voltage parts can cause personal injury due to entrapment, burn or electric

● Be sure to ﬁx up the service panels.

shocks.

● Be sure to ﬁx up the service panels.

Incorrect ﬁxing can cause electric shocks or ﬁre due to intrusion of dust or water.

● Do not perform any repairs or modiﬁcations by yourself. Consult the dealer if the unit requires repair.

Incorrect ﬁxing can cause electric shocks or ﬁre due to intrusion of dust or water.

● Do not perform any repairs or modiﬁcations by yourself. Consult the dealer if the unit requires repair.

If you repair or modify the unit, it can cause water leaks, electric shocks or ﬁre.

CAUTION

● Do not use the base ﬂame for outdoor unit which is corroded or damaged due to long periods of operation.

Using an old and damage base ﬂame can cause the unit falling down and cause personal injury.

● Do not install the unit in the locations listed below

Using an old and damage base ﬂame can cause the unit falling down and cause personal injury.

・Locations where carbon ﬁber, metal powder or any powder is ﬂoating.

● Do not install the unit in the locations listed below

・Locations where any substances that can affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur.

・Locations where carbon ﬁber, metal powder or any powder is ﬂoating.

・Vehicles and ships

・Locations where any substances that can affect the unit such as sulphide gas, chloride gas, acid and alkaline can occur.

・Locations where cosmetic or special sprays are often used.

・Vehicles and ships

・Locations with direct exposure of oil mist and steam such as kitchen and machine plant.

・Locations where cosmetic or special sprays are often used.

・Locations where any machines which generate high frequency harmonics are used.

・Locations with direct exposure of oil mist and steam such as kitchen and machine plant.

・Locations with salty atmospheres such as coastlines

・Locations where any machines which generate high frequency harmonics are used.

・Locations with heavy snow (If installed, be sure to provide base ﬂame and snow hood mentioned in the manual)

・Locations with salty atmospheres such as coastlines

・Locations where the unit is exposed to chimney smoke

・Locations with heavy snow (If installed, be sure to provide base ﬂame and snow hood mentioned in the manual)

・Locations at high altitude (more than 1000m high)

・Locations where the unit is exposed to chimney smoke

・Locations with ammonic atmospheres

・Locations at high altitude (more than 1000m high)

・Locations where heat radiation from other heat source can affect the unit

・Locations with ammonic atmospheres

・Locations without good air circulation.

・Locations where heat radiation from other heat source can affect the unit

・Locations with any obstacles which can prevent inlet and outlet air of the unit

・Locations without good air circulation.

・Locations where short circuit of air can occur (in case of multiple units installation)

・Locations with any obstacles which can prevent inlet and outlet air of the unit

・Locations where strong air blows against the air outlet of outdoor unit

・Locations where short circuit of air can occur (in case of multiple units installation)

It can cause remarkable decrease in performance, corrosion and damage of components, malfunction and ﬁre.

・Locations where strong air blows against the air outlet of outdoor unit

● Do not install the outdoor unit in the locations listed below.

It can cause remarkable decrease in performance, corrosion and damage of components, malfunction and ﬁre.

● Do not install the outdoor unit in the locations listed below.

・Locations where discharged hot air or operating sound of the outdoor unit can bother neighborhood.

・Locations where outlet air of the outdoor unit blows directly to an animal or plants. The outlet air can affect adversely to the plant etc.

・Locations where discharged hot air or operating sound of the outdoor unit can bother neighborhood.

・Locations where vibration can be ampliﬁed and transmitted due to insufﬁcient strength of structure.

・Locations where outlet air of the outdoor unit blows directly to an animal or plants. The outlet air can affect adversely to the plant etc.

・Locations where vibration and operation sound generated by the outdoor unit can affect seriously. (on the wall or at the place near bed room)

・Locations where vibration can be ampliﬁed and transmitted due to insufﬁcient strength of structure.

・Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m)

・Locations where vibration and operation sound generated by the outdoor unit can affect seriously. (on the wall or at the place near bed room)

・Locations where drainage cannot run off safely.

・Locations where an equipment affected by high harmonics is placed. (TV set or radio receiver is placed within 5m)

It can affect surrounding environment and cause a claim

・Locations where drainage cannot run off safely.

● Do not use the unit for special purposes such as storing foods, cooling precision instruments and preservation of animals, plants or art.

It can affect surrounding environment and cause a claim

● Do not use the unit for special purposes such as storing foods, cooling precision instruments and preservation of animals, plants or art.

It can cause the damage of the items.

● Do not touch any buttons with wet hands

It can cause the damage of the items.

● Do not touch any buttons with wet hands

It can cause electric shocks

● Do not touch any refrigerant pipes with your hands when the system is in operation.

It can cause electric shocks

During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition, and it can cause burn injury or frost injury.

● Do not touch any refrigerant pipes with your hands when the system is in operation.

● Do not clean up the unit with water

During operation the refrigerant pipes become extremely hot or extremely cold depending the operating condition, and it can cause burn injury or frost injury.

It can cause electric shocks

● Do not clean up the unit with water

● Do not operate the outdoor unit with any article placed on it.

It can cause electric shocks

● Do not operate the outdoor unit with any article placed on it.

You may incur property damage or personal injure from a fall of the article.

● Do not step onto the outdoor unit.

You may incur property damage or personal injure from a fall of the article.

● Do not step onto the outdoor unit.

You may incur injury from a drop or fall.

Pad

2) Portage

●

The right hand side of the unit as viewed from the front (diffuser side) is heavier. A person

●

carrying the right hand side must take heed of this fact. A person carrying the left hand side

The right hand side of the unit as viewed from the front (diffuser side) is heavier. A person

must hold with his right hand the handle provided on the front panel of the unit and with his

carrying the right hand side must take heed of this fact. A person carrying the left hand side

left hand the corner column section.

must hold with his right hand the handle provided on the front panel of the unit and with his

left hand the corner column section.

'11 • PAC-T-160

PSB012D955F

Inverter driven single split PAC

100VN～140VN,100VS～140VS

100VNX～140VNX,100VSX～140VSX

Designed for R410A refrigerant

Check before installation work

knock-out hole protection

1 piece

knock-out hole protection

1 piece

Dedicated R410A tools

a）

Dedicated R410A tools

Gauge manifold

a）

b）

Gauge manifold

Charge hose

b）

c）

Charge hose

Electronic scale for refrigerant charging

c）

d）

Electronic scale for refrigerant charging

Torque wrench

d）

e）

Torque wrench

Flare tool

e）

f）

Flare tool

Protrusion control copper pipe gauge

f）

g ）

Protrusion control copper pipe gauge

Vacuum pump adapter

g ）

h）

Vacuum pump adapter

Gas leak detector

h）

Gas leak detector

3) Selection

Be sure to select

〇 A place where i

〇 A place where t

〇 A place where i

〇 A place where t

〇 A place where d

〇 A place where i

〇 A place where d

〇 A place where t

〇 A place where s

〇 A place where th

〇 A place where s

〇 A place where goo

〇 A place where th

〇 A place where goo

〇 A place where c

〇 A place where th

〇 A place where c

unit, will not be

〇 A place where s

unit, will not be

〇 A place where s

4) Caution ab

(1) If the unit is ins

The bottom plat

(1) If the unit is ins

The bottom plat

1. Install the unit on

that the bottom i

1. Install the unit on

snow cover surfa

that the bottom i

snow cover surfa

Since drain water ge

●

Since drain water ge

Don't execute dra

●

Recommend setti

Don't execute dra

●

Recommend setti

(2) If the unit can b

Strong wind can

stop of the unit

Strong wind can

stop of the unit

1.Install the outlet

unit to face a w

1.Install the outlet

provide a fence

unit to face a w

provide a fence

Over 500 mm

2. REFRIGE

1) Restriction

●

Check the follow

●

Observe the follo

Check the follow

●

Observe the follo

Descriptions

One-way pipe length of

refrigerant piping

One-way pipe length of

refrigerant piping

Main pipe length

One-way pipe length betwe

branching point from to the

One-way pipe length betwe

branching point

branching point from to the

branching point

One-way pipe length after

branching point

One-way pipe length after t

branching point

One-way pipe length after

ﬁrst branching point and se

One-way pipe length after

branching point

ﬁrst branching point and se

branching point

One-way pipe length differe

from the ﬁrst branching po

One-way pipe length differe

the indoor unit

from the ﬁrst branching po

the indoor unit

One-way pipe length differe

from the second branching

One-way pipe length differe

to the indoor unit

from the second branching

to the indoor unit

Elevation difference betwe

indoor and outdoor units

Elevation difference betwee

indoor and outdoor units

Elevation difference betwee

CAUTION

2) Determina

●

Determine refrige

●

Determine refrige

In the case of a single type

In the case of a twin type

In the case of a triple type A

In the case of a triple type B

CAUTION

About brazin

Brazing mu

Without nitro

created, caus

3) Refrigeran

Heavy

3) Refrigeran

Heavy

●

Select refrigeran

●

speciﬁed for eac

Select refrigeran

●

This unit uses R

speciﬁed for eac

●

This unit uses R

or larger pipes,

Table of Contents

Troubleshooting

This manual is also suitable for:

Fdf125vnxvd Fdf125vsxvd Fdf140vsxvd Fdf140vnxvd Fdf100vnxvd Fdf140vnxpvd ... Show all

Installation Manual For Outdoor Unit; Models Fdc100～140Vn,100～140Vs,100～140Vnx,100～140Vsx - Mitsubishi Electric FDF71VNXVD Technical Manual