Mitsubishi Heavy Industries 100 VNX-W Installation Manual

Outdoor unit

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INSTALLATION MANUAL FOR OUTDOOR UNIT

◎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

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

SAFETY PRECAUTIONS

●

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.

CAUTION

●

WARNING

The precautions described below are divided into

and

. The matters with possibilities leading to serious consequences such as

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

WARNING

and the matters with possibilities leading to personal injury or

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.

Never do it under any circumstance.

Always do it according to the instruction

●

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.

●

In case of 125VNX and 140VNX, 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

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

● 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.

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

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.

● 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

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

● 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,

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

● 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,

● Be sure to shut off the power before starting electrical 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

overloading the terminal blocks.

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.

● Do not perform brazing work in the airtight room

It can cause lack of oxygen.

● Use the prescribed pipes, ﬂare nuts and tools for R32 and R410A.

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

● 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.

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

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

● Install isolator or disconnect switch on the power

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

．

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.

●

● Dispose of any packing materials correctly.

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

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

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

●

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.

●

● 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.

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.

●

Improper installation can cause abnormal vibrations or increased noise generation.

●

● After maintenance, all wiring, wiring ties and the like, should be returned to their original state and wiring route, and the necessary clearance from

all metal parts should be secured.

● Earth leakage breaker must be installed

●

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.

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

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

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.

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.

●

● 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 R32

●

Do not use any refrigerant other than R32. R32 will rise to pressure about 1.6 times higher than that of a conventional refrigerant (R22 or R407C).

A cylinder containing R32 has a light blue indication mark on the top.

●

A unit designed for R32 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

R32 tools listed in the table on the right before installing or servicing this unit.

●

All indoor units must be models designed exclusively for R32. Check connectable indoor unit models in a catalog, etc. (A wrong indoor unit, if connected into the system, will impair proper system operation)

Check before installation work

●

Model name and power source

●

Refrigerant piping length

●

Piping, wiring and miscellaneous small parts

●

Indoor unit installation manual

CAUTION

. These are

WARNING

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

tighten the ﬂare nut too much.

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

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

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

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

in the event of leakage

● 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

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

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.

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

high pressure in the refrigerant circuit

● Be sure to wear protective goggles and gloves while at work.

● This unit is designed speciﬁcally for R32.

Using any other refrigerant can cause unit failure and personal injury.

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

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

personal injury.

● Do not run the unit with removed panels or protections

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

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.

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

● Do not process or splice the power cord, or share the socket with other power plugs.

This may cause ﬁre or electric shock due to defecting contact, defecting insulation and over-current etc.

● Do not bundle or wind or process the power cord. Do not deform the power cord by treading it.

This may cause ﬁre or heating.

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

●

・

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

・

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

・

・ Vehicles and ships

・ Locations where cosmetic or special sprays are often used.

・

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

・

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

・

・ Locations with salty atmospheres such as coastlines

・

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

・ Locations where the unit is exposed to chimney smoke

・

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

・

・ Locations with ammonic atmospheres (e.g. organic fertilizer).

・

・ Locations with calcium chloride (e.g. snow melting agent).

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

・

・ Locations without good air circulation.

・

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

・

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

・

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

・

・ Locations where something located above the unit could fall.

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

・

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

・

・ Locations where drainage cannot run off safely.

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 electric shocks

●

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

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 clean up the unit with water

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 injury from a drop or fall.

●

● Do not touch the suction or aluminum ﬁn on the outdoor unit.

This may cause injury.

1. HAULAGE AND INSTALLATION

PSC012D143B

202002

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

CAUTION

center position.

Inverter driven split PAC

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

1) Delivery

100, 125, 140 VNX-W

●

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

100, 125, 140 VSX-W

●

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.

Designed for R32 refrigerant

3) Selection of installation location for the outdoor unit

Be sure to select a suitable installation place in consideration of following conditions.

〇 A place where it is horizontal, stable and can endure the unit weight and will not allow vibration transmittance of the unit.

〇 A place where it can be free from possibility of bothering neighbors due to noise or exhaust air from the unit

〇 A place where the unit is not exposed to oil splashes.

〇 A place where it can be free from danger of ﬂammable gas leakage.

〇 A place where drain water can be disposed without any trouble.

〇 A place where the unit will not be affected by heat radiation from other heat source.

〇 A place where snow will not accumulate.

〇 A place where the unit can be kept away 5m or more from TV set and/or radio receiver in order to avoid any radio or TV interference.

〇 A place where good air circulation can be secured, and enough service space can be secured for maintenance and service of the unit safely.

〇 A place where the unit will not be affected by electromagnetic waves and/or high-harmonic waves generated by other equipment.

〇 A place where chemical substances like sulfuric gas, chloric gas, acid and alkali (including ammonia), which can harm the

unit, will not be generated and not remain.

〇 A place where strong wind will not blow against the outlet air blow of the unit.

〇 Do not install the unit in places which exposed to sea breeze (e.g. coastal area) or calcium chloride (e.g. snow melting agent),

exposed to ammonia substance (e.g. organic fertilizer).

4) Caution about selection of installation location

(1) If the unit is installed in the area where the snow will accumulate, following measures are required.

The bottom plate of unit and intake, outlet may be blocked by snow.

1. Install the unit on the base so

that the bottom is higher than

snow cover surface.

Since drain water generated by defrost control may freeze, following measures are required.

●

Don't execute drain piping work by using a drain elbow and drain grommets (optional parts). [Refer to Drain piping work.]

●

Recommend setting Defrost Control (SW3-1) and Snow Guard Fan Control (SW3-2). [Refer to Setting SW3-1, SW3-2.]

●

Attach heater on a base plate on site, if there is possibility to freeze drain water.

In case that the product has a corrective drainage system, the drainage paths should have suitable measure against

freezing but be sure not to melt the material of drainage paths with heat.

(2) If the unit can be affected by strong wind, following measures are required.

Strong wind can cause damage of fan (fan motor), or can cause performance degradation, or can trigger anomalous stop

of the unit due to rising of high pressure.

1.Install the outlet air blow side of the

unit to face a wall of building, or

provide a fence or a windbreak screen.

Over 500 mm

2. REFRIGERANT PIPING WORK

1) Restrictions on unit installation and use

●

Observe the following restrictions on unit installation and use. Improper installation can result in a compressor failure or performance degradation.

Resitrictions

One-way pipe length

Main pipe length

One-way pipe length between the ﬁrst branch

from to the second branch

One-way pipe length after the ﬁrst branch

One-way pipe length from the ﬁrst branch

to indoor units through the second branch

One-way pipe length difference from the ﬁrst branch

to the indoor unit

One way pipe length difference from the second

branch to the indoor unit

Elevation difference between indoor and outdoor units

Elevation difference between indoor units

●

The use restrictions appearing in the table above are applicable to the standard pipe size combinations shown in the table below. Where an existing pipe system is

CAUTION

utilized, different one-way pipe length restrictions should apply depending on its pipe size. For more information, see " 6. UTILIZATION OF EXISTING PIPING."

●

With the triple pipe connection, the way of use is different when the difference of one-way pipe length after the ﬁrst branching point is 3m to 10m. For details, refer

to the above table and right ﬁgure.

Note (1) Install the indoor units so that L + L1 becomes the longest one-way pipe.

Keep the pipe length difference between L1 and (La + L2) or (La + L3) within 10m.

(2) When the outdoor unit is installed at a position higher than the indoor unit by 30m or more, set SW5-2 on the control PCB to ON.

(3) Maximum piping length is limited up to 65m for SRK50 triple type combination, and 85m for FDE50 triple type and FDE60, FDE71 twin type.

2) Determination of pipe size

●

Determine refrigerant pipe size pursuant to the following guidelines based on the indoor unit speciﬁcations.

Outdoor unit connected

Refrigerant piping (Main pipe L)

Indoor unit connected

In the case of a single type

Capacity of indoor unit

Branching pipe set

Refrigerant piping (branch pipe L1,L2)

In the case of a twin type

Indoor unit connected

Capacity of indoor unit

Branching pipe set

Refrigerant piping (branch pipe L1,L2,L3)

In the case of a triple type A

Indoor unit connected

Capacity of indoor unit

Branching pipe set

Refrigerant piping (branch pipe La)

Refrigerant piping (branch pipe L1)

Branching pipe set (After branch pipe La)

In the case of a triple type B

Refrigerant piping (branch pipe L2,L3)

Indoor unit connected

Capacity of indoor unit

●

When the 50V or 60V model is connected as an indoor unit, always use a φ9.52 liquid pipe for the branch (branching pipe – indoor unit) and a different

CAUTION

diameter joint supplied with the branching pipe set for connection with the indoor unit (φ6.35 on the liquid pipe side).

If a φ6.35 pipe is used for connection with a branching pipe, a refrigerant distribution disorder may occur, causing one of the indoor units to fall short of

the rated capacity.

●

A riser pipe must be a part of the main. A branching pipe set should be installed horizontally at a point as close to an indoor unit as possible.

A branching part must be dressed with a heat-insulation material supplied as an accessory.

●

For the details of installation work required at and near a branching area, see the installation manual supplied with your branching pipe set.

●

In the case of a triple type, branching pipe set shown in this table varies depending on the length difference of one way piping after the ﬁrst branch.

Please check the table above.

About brazing

Brazing must be performed under a nitrogen gas ﬂow.

Dedicated R32 and R410A tools

Without nitrogen gas, a large quantity of foreign matters (oxidized ﬁlm) are

created, causing a critical failure from capillary tube or expansion valve clogging.

a）

Gauge manifold

b）

Charge hose

c）

Electronic scale for refrigerant charging

d）

Torque wrench

e）

Flare tool

3) Refrigerant pipe wall thickness and material

f）

Protrusion control copper pipe gauge

●

Select refrigerant pipes of the table shown on the right wall thickness and material as

g ）

Vacuum pump adapter

speciﬁed for each pipe size.

h）

Gas leak detector

●

This unit uses R32. Always use 1/2H pipes having a 1.0mm or thicker wall for φ19.05 or

larger pipes, because O-type pipes do not meet the pressure resistance requirement.

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

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

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.

Wooden pallet

5) Installation space

●

Walls surrounding the unit in the four sides are not acceptable.

●

There must be a 1-meter or larger space in the above.

●

Where a danger of short-circuiting exists, install guide louvers.

●

When more than one unit are installed, provide sufﬁcient intake space consciously so that short-circuiting may not occur.

●

Where piling snow can bury the outdoor unit, provide proper snow guards.

●

A barrier wall placed in front of the exhaust diffuser must not be higher than the unit.

2. Provide a snow hood to

3. Install the unit under eaves

6) Installation

the outdoor unit on site.

or providen the roof on site.

Regarding outline of a snow

hood, consult a dealer.

●

In installing the unit, ﬁx the unit's legs with bolts speciﬁed on the left.

●

The protrusion of an anchor bolt on the front side must be kept within 15 mm.

●

Securely install the unit so that it does not fall over during earthquakes or strong winds, etc.

●

Refer to the left illustrations for information regarding concrete foundations.

●

Install the unit in a level area. (With a gradient of 5 mm or less.)

Improper installation can result in a compressor failure, broken piping within the unit and abnormal noise generation.

2.Install the outlet air blow side of

3.The unit should be installed on

the unit in a position perpendicular

the stable and level foundation.

to the direction of wind.

If the foundation is not level,

tie down the unit with wires.

7) To run the unit for a cooling operation, when the outdoor temperature

Wind direction

is –5°C or lower.

●

When the outdoor air temperature is -5°C or lower, provide a snow hood to the outdoor unit on site,

so that strong wind will not blow against the outdoor heat exchanger directly. Regarding outline of a snow hood,

consult a dealer.

Wind direction

– : Not applicable combination

Installation type

Dimensional

Model for outdoor units

Single type

Twin type

Triple type A

Triple type B

restrictions

3m ≦

－

100VNX,125VNX,100VSX,125VSX

L+L1

≦ 100m (3)

L+L2

140VNX, 140VSX

L+L1+L2+L3

100VNX,125VNX,100VSX,125VSX

－

≦ 100m (3)

－

140VNX, 140VSX

≦ 5m

－

140VNX, 140VSX

－

100VNX,125VNX,100VSX,125VSX

≦ 30m

－

L1,L2

140VNX, 140VSX

L1, L2, L3

L1 (1)

≦ 27m

－

140VNX, 140VSX

La+L2, La+L3 (1)

≦ 10m

－

100VNX,125VNX,100VSX,125VSX

－

≦ 3m

|L1-L2|

| L1-L2 | , | L2-L3 | , | L3-L1 |

140VNX, 140VSX

≦ 10m

－

L1-(La+L2),L1-(La+L3) (1)

≦ 10m

－

140VNX, 140VSX

| L2-L3 |

≦ 50m (2)

Outdoor unit is positioned higher,

Outdoor unit is positioned lower,

≦ 15m

≦ 0.5m

－

h1,h2,h3

Model 100V

Model 125V

Model 140V

Gas pipe

Liquid pipe

Gas pipe

Liquid pipe

Gas pipe

Liquid pipe

φ15.88

φ9.52

φ15.88

φ9.52

φ15.88

φ9.52

Flare

φ15.88

φ9.52

φ15.88

φ9.52

φ15.88

φ9.52

φ15.88

φ9.52

φ15.88

φ9.52

Model 100V

Model 125V

Model 140V

DIS-WA1G

φ12.7

φ9.52

φ12.7

φ9.52

φ15.88

φ9.52

φ6.35

φ15.88

φ9.52

φ12.7

Model 50V×2

Model 60V×2

Model 71V×2

DIS-TA1G

φ12.7

φ9.52

－

φ12.7

φ6.35

Model 50Vx3

DIS-WA1G

φ15.88

φ9.52

φ12.7

φ9.52

－

DIS-WA1G

φ12.7

φ9.52

φ12.7

φ6.35

Model 50V×3

＜N

＞

Taping

Only use nitrogen gas (N

)

Brazing

Pipe diameter

6.35

9.52

[mm]

Minimum pipe wall thickness

[mm]

0.8

Pipe material*

O-type pipe

*Phosphorus deoxidized seamless copper pipe C1220T, JIS Ｈ3300

Heavy

（mm）

Intake

Example installation

Ⅰ

Ⅱ

Ⅲ

Size

Open

500

Intake

300

Open

150

300

150

Outlet

(

service

)

space

① Anchor bolt ﬁxed position

② Notabilia for installation

Intake

Fasten with bolts

(M10-12)

Outlet

190

580

200

Use a thicker block to anchor deeper.

Use a long block to extend the width.

< Single type >

Indoor unit

Outdoor unit

< Twin type >

Indoor unit

(The unit of which elevation difference from the outdoor unit is the largest.)

Indoor unit

L (riser)

Outdoor unit

< Triple type A > In case L1, L2, L3 difference < 3m

Indoor unit

(The unit of which elevation difference from the outdoor unit is the largest.)

Indoor unit

L (riser)

Outdoor unit

< Triple type B > In case L1, L2, L3 difference > = 3m

Indoor unit

L (riser)

Outdoor unit

Primary side

Secondary side

Station valve

0.5MPa

Plug the end of the pipe with tape, or other

Hand

material, and ﬁll the pipe with nitrogen gas.

Nitrogen

Relief valve

gas

12.7

15.88

22.22

25.4

28.58

0.8

1.0

NOTE

O-type pipe

1/2H-type pipe

●

Select pipes having a wall thickness larger

than the speciﬁed minimum pipe thickness.

Summary of Contents for Mitsubishi Heavy Industries 100 VNX-W

Page 1 1. HAULAGE AND INSTALLATION 1. HAULAGE AND INSTALLATION PSC012D143B PSC012D143B (Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.) (Take particular care in carrying in or moving the unit, and always perform such an operation with two or more persons.) 202002 202002 When a unit is hoisted with slings for haulage, take into consideration the offset of its gravity...
Page 2 4) On-site piping work 4 On s e p p ng wo k PSC012D143B PSC012D143B ● ● Take care so that installed pipes may not touch components within a unit. If touching with an internal IMPORTANT M OR AN ※ ※...

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Mitsubishi Heavy Industries 100 VNX-W Installation Manual

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Summary of Contents for Mitsubishi Heavy Industries 100 VNX-W

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