Samsung MXJ-YA1509 Series Installation Manual
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Samsung MXJ-YA1509 Series Installation Manual

Samsung MXJ-YA1509 Series Installation Manual

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Summary of Contents for Samsung MXJ-YA1509 Series

  • Page 2: Table Of Contents

            Contents Contents 1. General installation Guide 1. General installation Guide 1. Intro 1. Introduction duction ······································································· ······································································· 4 4 2. Pr 2. Product oduct Outline Outline·································································· ·································································· 5 5 3. DVM des 3. DVM design pro ign process cess ·························································...
  • Page 3         4. Indoor Units installation 4. Indoor Units installation 1. Ceilin 1. Ceiling g Cass Cassette ette Typ Type e (1WA (1WAY/2W Y/2WAY/ AY/4WAY 4WAY) ) ·· ···· ···· ···· ···· ···· ···· ···· ···· ····· ····· ··· · 90 2.

  • Page 4: General Installation Guide

        . General installation Guide . General installation Guide     1. Introduction 1. Introduction  The  The diagram diagram below below illustrates illustrates overall overall configuration configuration of of the the refrigerant refrigerant piping piping for for installing installing a a system system air air conditioner.

  • Page 5: Product Oduct Outline Outline

    2-1. Outdoor Units 2-1. Outdoor Units Samsung provides you the perfectly optimized cooling and heating system with its latest and most Samsung provides you the perfectly optimized cooling and heating system with its latest and most innovative technology. World’s largest capacity will provide you the powerful performance all year long, innovative technology.
  • Page 6 Different types of indoor units will be more than enough to satisfy needs of your space and yourself. Only Samsung’s beautiful indoor units will provide you the to satisfy needs of your space and yourself. Only Samsung’s beautiful indoor units will provide you the conditioned air that you can enjoy.

  • Page 7: Dvm Des

            Installation guide Installation guide     3. DVM design process 3. DVM design process DVM is a variable multi air conditioner that modulates its performance by different conditions such as DVM is a variable multi air conditioner that modulates its performance by different conditions such as design temperature, indoor and outdoor unit combination rates, heating operation rates, piping length, design temperature, indoor and outdoor unit combination rates, heating operation rates, piping length, and level difference.

  • Page 8: Instal Installation Process & Guideline Lation Process & Guideline

        . General installation Guide . General installation Guide     4. Installation process & Guideline 4. Installation process & Guideline Installation & General Construction Work.     Striking a balance between System Striking a balance between System Installation & General Construction Work.  ...

  • Page 9: Installation Procedure Edure

            Installation guide Installation guide 5. Installation Procedure 5. Installation Procedure 5-1. Procedure 5-1. Procedure Note Note     The above The above list indi list indicates the orde cates the order in w r in which the hich the individual individual work ope work operations are n...
  • Page 10     . General installation Guide . General installation Guide     5-2. Step by Step Installation Procedure 5-2. Step by Step Installation Procedure 1) 1)     Refrigerant piping Refrigerant piping (1) Pre-estimation with the drawing (1) Pre-estimation with the drawing Picture Picture Work...
  • Page 11         Installation guide Installation guide     (5) Pipe cutting (5) Pipe cutting Picture Picture Work Work Description Description Things Things to to do Check Check point point     Check if foreign substances Check if foreign substances are removed from the pipe.
  • Page 12     . General installation Guide . General installation Guide     (9) Anchor works (9) Anchor works Picture Picture Work Work Description Description Things Things to to do Check Check point point     Refer to the Refer to the approved approved - Prevent scattering.
  • Page 13         Installation guide Installation guide     (3) Brazing the branch pipes (3) Brazing the branch pipes Picture Picture Work Work Description Description Things Things to to do Check Check point point     - Nitrogen substituted - Nitrogen substituted brazing works on the brazing works on the...
  • Page 14     . General installation Guide . General installation Guide     (4) Insulation of the branch pipe (4) Insulation of the branch pipe Picture Picture     Work Work Description Description Things Things to to do Check Check point point Insulate the pipe if Insulate the pipe if...
  • Page 15         Installation guide Installation guide (2) Mounting the drainpipe (2) Mounting the drainpipe Picture Picture Work Work Description Description Things Things to to do Check Check point point      A group of two person  A group of two person Fix the drainpipe Fix the drainpipe Check the channel/hanger...
  • Page 16     . General installation Guide . General installation Guide     (6) Pipe work on the indoor unit side (6) Pipe work on the indoor unit side Picture Picture Work Work Description Description Things Things to to do Check Check point point  ...
  • Page 17         Installation guide Installation guide 5) Power communication works 5) Power communication works (1) Power cable pipe works (1) Power cable pipe works Picture Picture Work Work Description Description Things Things to to do Check Check point point  ...
  • Page 18     . General installation Guide . General installation Guide     (3) Connecting the equipment (3) Connecting the equipment Picture Picture Work Work Description Description Things Things to to do Check Check point point     Check for levelness of the Check for levelness of the Mounting an Mounting an...
  • Page 19         Installation guide Installation guide (7) Connecting the power communication cables (7) Connecting the power communication cables Picture Picture     Work Work Description Description Things Things to to do Check Check point point Connect the Connect the power power Use a ring terminal to...
  • Page 20     . General installation Guide . General installation Guide     (2) Conveying the outdoor unit (2) Conveying the outdoor unit Picture Picture     Work Work Description Description Things Things to to do Check Check point point Checking the Checking the  A group of four move  A group of four move...
  • Page 21         Installation guide Installation guide (6) Connecting the outdoor unit’s pipes (6) Connecting the outdoor unit’s pipes Picture Picture     Work Work Description Description Things Things to to do Check Check point point Connecting the Connecting the Connect the pipe to Connect the pipe to Check the insulation...
  • Page 22     . General installation Guide . General installation Guide     (2) Refrigerant injection (2) Refrigerant injection Picture Picture     Work Work Description Description Things Things to to do Check Check point point - Accurate refrigerant - Accurate refrigerant injection injection Refrigerant...
  • Page 23         Installation guide Installation guide (2) Panel installation (2) Panel installation Picture Picture     Work Work Description Description Things Things to to do Check Check point point - Do not apply excessive - Do not apply excessive - Check if the exterior is dirty.
  • Page 24     . General installation Guide . General installation Guide     (3) Connecting a interface module (3) Connecting a interface module Picture Picture     Work Work Description Description Things Things to to do Check Check point point Connect a Connect a  Assign an accurate  Assign an accurate...

  • Page 25: Checkin G The Installation Site Ation Site

                2. 2.  P  Pr r e e a a r r a a t t i i o o n n     for installation for installation Installation guide Installation guide     1. Checking the Installation Site 1.
  • Page 26     2. 2.  Preparation  Preparation     for installation for installation Handling methods and Handling methods and Item Item Pre-check checkpoint Pre-check checkpoint Picture Picture             guideline guideline     - Louver angle should be less than - Louver angle should be less than 20°...
  • Page 27         Installation guide Installation guide Handling methods and Handling methods and Item Item Pre-check checkpoint Pre-check checkpoint Picture Picture             guideline guideline     - If the ceiling is made of plaster - If the ceiling is made of plaster boards, secure an inspection hole.
  • Page 28     2. 2.  Preparation  Preparation     for installation for installation Handling methods and Handling methods and Item Item Pre-check checkpoint Pre-check checkpoint Picture Picture             guideline guideline     ※ ※  Do not join rainwater pipes and  Do not join rainwater pipes and - Any drain pipes wrongly - Any drain pipes wrongly...

  • Page 29: Product Hand Ct Handling Ling

            Installation guide Installation guide 2. Product handling 2. Product handling Problem analysis Problem analysis due to rough or careless due to rough or careless handling handling       Product is falling down Product is falling down of the product during unloading process.
  • Page 30     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis  A chassis of outdoor unit is bent and a heat exchanger of  A chassis of outdoor unit is bent and a heat exchanger of ...
  • Page 31         Installation guide Installation guide Problem analysis Problem analysis Product is left alone in Product is left alone in the open site. If the ground gets the open site. If the ground gets       wet with water after rain or due to other reasons, it will wet with water after rain or due to other reasons, it will cause bad effect on the product.
  • Page 32     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis Pile of indoor units in the site Pile of indoor units in the site is too high and some of the is too high and some of the ...
  • Page 33         Installation guide Installation guide Problem analysis Problem analysis Indoor units are stored vertically. Not Indoor units are stored vertically. Not only that, it is left only that, it is left       on the ground and the ground is on the ground and the ground is full of water full of water...
  • Page 34     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis     Products are stored messily in the site and there is no Products are stored messily in the site and there is no ...
  • Page 35         Installation guide Installation guide Problem analysis Problem analysis Inappropriate product management caused outer Inappropriate product management caused outer       packaging damage. packaging damage. Consequence Consequence  After damage to the outer packaging of indoor unit, dust  After damage to the outer packaging of indoor unit, dust ...
  • Page 36     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis Dust, foreign substances, rain water, industrial water and Dust, foreign substances, rain water, industrial water and       dew got inside of the indoor unit. Because it was left with dew got inside of the indoor unit.
  • Page 37         Installation guide Installation guide Problem analysis Problem analysis Indoor unit, which is still in the middle of the installation Indoor unit, which is still in the middle of the installation       process, is hanging on the cei process, is hanging on the ceiling without any protection.

  • Page 38: Preparation For Installation

        2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis Safety net is not installed on 4-way Safety net is not installed on 4-way cassette indoor unit. cassette indoor unit.       Consequence Consequence Safety of client and service agent can be at risk.

  • Page 39: Materia Ls And Tools Ols

            Installation guide Installation guide 3. Materials and Tools 3. Materials and Tools     Problem analysis Problem analysis R410a refrigerant system has relatively high pressure. R410a refrigerant system has relatively high pressure.       If material does not meet the pressure-proof standards, If material does not meet the pressure-proof standards, then it may cause copper p...
  • Page 40     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis Layer of carbon, rust and dirty fore Layer of carbon, rust and dirty foreign substances were ign substances were       found on the outer surface of the copper pipe. found on the outer surface of the copper pipe.
  • Page 41         Installation guide Installation guide Problem analysis Problem analysis Due to inappropriate protection management of the Due to inappropriate protection management of the       internal/external surface of the copper, large amount of internal/external surface of the copper, large amount of oxidation, dust and foreign substances were seen.
  • Page 42     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis  After purchasing the pipe, it was not kept properly so  After purchasing the pipe, it was not kept properly so       dust, foreign substances, water and industrial water got dust, foreign substances, water and industrial water got inside of the pipe.
  • Page 43         Installation guide Installation guide Problem analysis Problem analysis  Thickness of the pipe does not meet the standards.  Thickness of the pipe does not meet the standards.       Consequence Consequence Strength and the duration of the pipe will decrease Strength and the duration of the pipe will decrease ...
  • Page 44     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis Selecting ø22.23 copper pipe, and 10mm insulation as Selecting ø22.23 copper pipe, and 10mm insulation as       shown in the picture. shown in the picture.
  • Page 45         Installation guide Installation guide Problem analysis Problem analysis Regular vacuum pump was used in vac Regular vacuum pump was used in vacuum operation. uum operation.       Consequence Consequence     If the power of the vacuum pump cuts off unexpectedly If the power of the vacuum pump cuts off unexpectedly ...
  • Page 46     2. 2.  Preparation  Preparation     for installation for installation Problem analysis Problem analysis R22 gauge was used in R410a system. R22 gauge was used in R410a system.       Consequence Consequence If you use R22 gauge, remaining oil inside If you use R22 gauge, remaining oil inside can generate can generate ...

  • Page 47: Sleeve Work Work

                3. 3.     Guideline for each installatio Guideline for each installatio n process n process Installation guide Installation guide     1. Sleeve work 1. Sleeve work 1-1. Positioning of the pipe holes 1-1.

  • Page 48: Guideline For Each Installation Process

        3. 3.         Guideline for each installation process Guideline for each installation process Selection of the refrigerant pipe sleeve’s diameter (a) Selection of the refrigerant pipe sleeve’s diameter (a) Liquid pipe diameter(mm) Liquid pipe diameter(mm) Classification Classification 6.35...

  • Page 49: Insert Work And Sup

            Installation guide Installation guide 2. Insert work and support work 2. Insert work and support work 2-1. Insert work 2-1. Insert work Example  Example    : Drilling holes in a reinforced concrete beam  : Drilling holes in a reinforced concrete beam Full thread bolt works Full thread bolt works...
  • Page 50         3. 3.         Guideline for each installation process Guideline for each installation process 2-2. Support work 2-2. Support work 1) 1)     Installation guideline for a Installation guideline for a vertica vertical piping l piping ▶...

  • Page 51: Concealed Box Wo

            Installation guide Installation guide 3. Concealed Box work 3. Concealed Box work 3-1. Concealed Box work 3-1. Concealed Box work 1) Objectives 1) Objectives - The concealed box aims at enhancing the interior inside the building by burying the drains, - The concealed box aims at enhancing the interior inside the building by burying the drains, the copper pipes, the insulation materials, and the wires in the earlier phase, when you need to the copper pipes, the insulation materials, and the wires in the earlier phase, when you need to...

  • Page 52: Refrigerant Pipe Co

                3. 3.         Guideline for each installation process Guideline for each installation process 4. Refrigerant pipe 4. Refrigerant pipe construction construction 4-1. Drawing review 4-1. Drawing review  Compare the actual site with the drawing. When installing the refrigerant pipes, check interferences  Compare the actual site with the drawing.
  • Page 53         Installation guide Installation guide 2) Preparing a pipe 2) Preparing a pipe     (1) On the drawing, check the pipe diameter/length and the insulation material’s thickness and (1) On the drawing, check the pipe diameter/length and the insulation material’s thickness and length.
  • Page 54     3. 3.         Guideline for each installation process Guideline for each installation process 4-2. Pipe Cutting 4-2. Pipe Cutting 1) Burring 1) Burring - When performing burring works, point the pipe - When performing burring works, point the pipe face downward to prevent entry of burr. face downward to prevent entry of burr.
  • Page 55         Installation guide Installation guide Covering is an extremely important operation as it Covering is an extremely important operation as it prevents water, dirt or dust from prevents water, dirt or dust from getting getting inside the pipes. inside the pipes.
  • Page 56         3. 3.         Guideline for each installation process Guideline for each installation process 4-3. Insulating the Pipe, the Branch Pipe and the Header 4-3. Insulating the Pipe, the Branch Pipe and the Header Insulating the pipe Insulating the pipe 1) 1)
  • Page 57         Installation guide Installation guide   Important points   Important points ▶ ▶ ① ①      The thickness of the thermal insulation material must be determined in the light of the pipe  The thickness of the thermal insulation material must be determined in the light of the pipe sizes.
  • Page 58             3. 3.         Guideline for each installation process Guideline for each installation process (2) Selecting the insulation of the re (2) Selecting the insulation of the refrigerant pipe frigerant pipe Insulate the gas side and liquid side pipe referring to the thickness according to the pipe size. Insulate the gas side and liquid side pipe referring to the thickness according to the pipe size.
  • Page 59         Installation guide Installation guide (4) Insulating the branch joint (4) Insulating the branch joint     Y-joint Y-joint liquid liquid side side of of the the outdoor outdoor unit unit    Attach the insulation provided with a branch joint to the insulation purchased individually  Attach the insulation provided with a branch joint to the insulation purchased individually without a gap.
  • Page 60     3. 3.         Guideline for each installation process Guideline for each installation process 4-4. Mounting the Pipe, the Branch Pipe and the Header 4-4. Mounting the Pipe, the Branch Pipe and the Header 1) Mounting the insulated pipes. 1) Mounting the insulated pipes.
  • Page 61         Installation guide Installation guide 3) When installing the 3) When installing the branch pipe, pay attention to t branch pipe, pay attention to the following cautionary items. he following cautionary items.     Horizontally Horizontally installed installed  Vertically  Vertically...
  • Page 62         3. 3.         Guideline for each installation process Guideline for each installation process     Header joint Header joint   ① ① Select the reducer fitted on the diameter of the pipe. Select the reducer fitted on the diameter of the pipe.
  • Page 63             Installation guide Installation guide 4) Installing the branch joints 4) Installing the branch joints     Outdoor joint Outdoor joint   Installation of outdoor joint Installation of outdoor joint Use the attached reducer properly according to the selected pipe size. Use the attached reducer properly according to the selected pipe size.
  • Page 64     3. 3.         Guideline for each installation process Guideline for each installation process 4-5. Connecting the Pipe/Branch Pipe 4-5. Connecting the Pipe/Branch Pipe 1) Reducer mounting 1) Reducer mounting - When connecting the pipes/branch pipes, you need a reducer to compensate for the diameter - When connecting the pipes/branch pipes, you need a reducer to compensate for the diameter differences.
  • Page 65         Installation guide Installation guide 4-6. Installing the Branch Pipe for the Outdoor Unit 4-6. Installing the Branch Pipe for the Outdoor Unit 1) 1)     Connecting the outdoor unit pipe Connecting the outdoor unit pipe Heat Pump Heat Pump ...
  • Page 66             3. 3.         Guideline for each installation process Guideline for each installation process Connection from bottom at the Connection from bottom at the Heat Recovery Heat Recovery    Connection from front side Connection from front side ...
  • Page 67         Installation guide Installation guide 2) Piping works among outdoor units 2) Piping works among outdoor units      The additional branch joints are needed for module installation of the outdoor units.  The additional branch joints are needed for module installation of the outdoor units. When outdoor units are installed When outdoor units are installed in module, there is no designation of outdoor unit’s location in module, there is no designation of outdoor unit’s location...
  • Page 68     3. 3.         Guideline for each installation process Guideline for each installation process 4-7. Brazing 4-7. Brazing 1) Nitrogen substituted welding 1) Nitrogen substituted welding (1) Perform nitrogen substituted brazing works. (1) Perform nitrogen substituted brazing works.  ...
  • Page 69         Installation guide Installation guide 2) Comparison with a case without 2) Comparison with a case without nitrogen substitution nitrogen substitution         With With Nitrogen Nitrogen substitution substitution Without Without Nitrogen Nitrogen substitution substitution 3) Be cautious for 3) Be cautious for pipe-to-pipe brazing works pipe-to-pipe brazing works...
  • Page 70     3. 3.         Guideline for each installation process Guideline for each installation process 4-8. Nitrogen Pressurization Test 4-8. Nitrogen Pressurization Test 1) Leakage test 1) Leakage test Perform individual finishing of the liquid/gas pipe or connect the liquid/gas pipes for pinching and Perform individual finishing of the liquid/gas pipe or connect the liquid/gas pipes for pinching and brazing.

  • Page 71: Refrigerant Pipe Flushin

            Installation guide Installation guide 5. Refrigerant pipe flushing     5. Refrigerant pipe flushing Flushing is a method of Flushing is a method of cleaning extraneous matter out of pipes using cleaning extraneous matter out of pipes using pressurized gas. pressurized gas.
  • Page 72     3. 3.         Guideline for each installation process Guideline for each installation process (5) Check that the nitrogen is passi (5) Check that the nitrogen is passing through the unit A liquid pipe. ng through the unit A liquid pipe. (6) Flushing.

  • Page 73: Drainpipe Work

            Installation guide Installation guide 6. Drainpipe Work 6. Drainpipe Work 6-1. Diagram Review 6-1. Diagram Review 1) On the diagram check the locations of the horizontal, branch and vertical pipes 1) On the diagram check the locations of the horizontal, branch and vertical pipes (1) What is a horizontal pipe? (1) What is a horizontal pipe? It is a drainpipe where the drainpipes from the indoor unit are merged.
  • Page 74     3. 3.         Guideline for each installation process Guideline for each installation process 2) On the diagram, check 2) On the diagram, check the location of the hanger for the drainpipe. the location of the hanger for the drainpipe. (1) Due to the weight of the drainpipe and the condensed water, it can cause bending.
  • Page 75         Installation guide Installation guide 6-2. Drainpipe Cutting and Insulation 6-2. Drainpipe Cutting and Insulation 1) Cut the drainpipe as its dimension and size are shown in the 1) Cut the drainpipe as its dimension and size are shown in the diagram diagram Use a specialized cutter for Use a specialized cutter for drainpipe...
  • Page 76     3. 3.         Guideline for each installation process Guideline for each installation process 6-3. Mounting the Drainpipes 6-3. Mounting the Drainpipes 1) Mount a horizontal pipe in the hanger. 1) Mount a horizontal pipe in the hanger. Cutting and mounting the drainpipe Cutting and mounting the drainpipe 2) Perform 1/100 slope works on the horizontal pipe in the direction of the vertical...
  • Page 77         Installation guide Installation guide 6-4. Connecting the Drainpipe 6-4. Connecting the Drainpipe 1) At the area where the branch pipe is connected to the horizontal pipe, use a T- 1) At the area where the branch pipe is connected to the horizontal pipe, use a T-  joint to make conn  joint to make connections betwee ections between the horizontal pip...
  • Page 78     3. 3.         Guideline for each installation process Guideline for each installation process 4) Branch pipe (indoor unit 4) Branch pipe (indoor unit – horizontal pipe) construction method – horizontal pipe) construction method (1) Indoor unit with a drain pump (1) Indoor unit with a drain pump ①...
  • Page 79         Installation guide Installation guide (2) Indoor unit without a drain pump (2) Indoor unit without a drain pump ① ①  Form a reverse flow preve  Form a reverse flow prevention P or U-trap on the pipe coming from the indoor unit. ntion P or U-trap on the pipe coming from the indoor unit.
  • Page 80     3. 3.         Guideline for each installation process Guideline for each installation process 6-5. Drainpipe Combination and Bonding 6-5. Drainpipe Combination and Bonding 1) Apply PVC glue to the joint area and wait for one to two minutes before combining them. 1) Apply PVC glue to the joint area and wait for one to two minutes before combining them.
  • Page 81         Installation guide Installation guide 6-7. Insulation Material Finishing 6-7. Insulation Material Finishing 1) 1)    In a water soaking test, if there In a water soaking test, if there is no leakage, then insulate the bonded areas. is no leakage, then insulate the bonded areas.

  • Page 82: Insulation Lation Work Work

            3. 3.         Guideline for each installation process Guideline for each installation process 7 7 . I . Insu nsu lation wo lation wo rk 7-1. Purposes of Insulation and Piping 7-1. Purposes of Insulation and Piping (1) Explain the purposes.
  • Page 83         Installation guide Installation guide ③ ③     ‘L’ ‘L’ Fitting Fitting connection connection part part insulation insulation  All of the fitting connecting  All of the fitting connecting parts parts Make fitting cover to fit the Make fitting cover to fit the Bond the both cutting sides of Bond the both cutting sides of...

  • Page 84: Gas Leak Test

        3. 3.         Guideline for each installation process Guideline for each installation process 8. Gas leak test 8. Gas leak test 8-1. Purposes 8-1. Purposes 1) Leakage test step 1) Leakage test step st st (1) 1 (1) 1  leakage test: After installing the pipe and the branch pipe, use Nitrogen at 4Mpa for testing.
  • Page 85         Installation guide Installation guide 8-2. Procedures (HR Module Installation Standard) 8-2. Procedures (HR Module Installation Standard) 1) Before starting 1) Before starting (1) Check if all the service valves are closed (liquid, gas, high pressure gas, Oil Equalizing pipes). (1) Check if all the service valves are closed (liquid, gas, high pressure gas, Oil Equalizing pipes).

  • Page 86: Vacuum Drying

        3. 3.         Guideline for each installation process Guideline for each installation process 9. Vacuum drying 9. Vacuum drying 9-1. Purposes 9-1. Purposes Using vacuum drying, the moisture inside the p Using vacuum drying, the moisture inside the product or pipe can be evaporated. roduct or pipe can be evaporated.
  • Page 87         Installation guide Installation guide (1)     Connect a hose to the liquid/gas/high pressure gas pipes and make the vacuum with a vacuum Connect a hose to the liquid/gas/high pressure gas pipes and make the vacuum with a vacuum pump.

  • Page 88: Charging Arging Refrige Refrigerant

        3. 3.         Guideline for each installation process Guideline for each installation process 10. Charging Refrigerant 10. Charging Refrigerant 10-1. Purposes 10-1. Purposes  Add an additional amount of refrigerant for the installed pipe length to guarantee product performance  Add an additional amount of refrigerant for the installed pipe length to guarantee product performance and reliability.
  • Page 89         Installation guide Installation guide (1) Connect a refrigerant box to the manifold (1) Connect a refrigerant box to the manifold gauge. gauge. (2) Since oxygen exists in the hose between the gauge manifold and the refrigerant box, open the (2) Since oxygen exists in the hose between the gauge manifold and the refrigerant box, open the refrigerant box valve to purge oxygen from the hose.

  • Page 90: Indoor Units Installation

        4. 4.         Indoor Units installation Indoor Units installation 1. 1. Ceiling Cassette Type (1WAY/2WAY/4WAY) Ceiling Cassette Type (1WAY/2WAY/4WAY)     1-1. Installation Standard 1-1. Installation Standard - The installation location and direction of the indoor unit should be determined based on the - The installation location and direction of the indoor unit should be determined based on the relationship with various other processes such as the refrigerant pipe, the drainpipe and the relationship with various other processes such as the refrigerant pipe, the drainpipe and the...
  • Page 91         Installation guide Installation guide (1) Fire fighting detector(1.5m) and beam projector(2m) need to be away from indoor unit. (1) Fire fighting detector(1.5m) and beam projector(2m) need to be away from indoor unit.  At least 1.5m away from indoo  At least 1.5m away from indoor unit.
  • Page 92     4. 4.         Indoor Units installation Indoor Units installation (4) Y terminals are to be (4) Y terminals are to be used in connection with wired remote controller used in connection with wired remote controller <T <Terminal erminal not...
  • Page 93         Installation guide Installation guide (7) Decoration panel installation (7) Decoration panel installation (8) Drain installation (8) Drain installation ① ①  The drainpipe should be installed within 100mm from the flexible hose, lift up from 100mm to  The drainpipe should be installed within 100mm from the flexible hose, lift up from 100mm to 550mm and lift down 20mm or more.
  • Page 94     4. 4.         Indoor Units installation Indoor Units installation ① ①  Install main air vent at the front of the farthest indoor unit from the main drain when installed  Install main air vent at the front of the farthest indoor unit from the main drain when installed indoor units are more than 3.
  • Page 95         Installation guide Installation guide 1-2. Installation Steps 1-2. Installation Steps Sleeve work should be performed to make a space for passing pipe and wire through the wall or Sleeve work should be performed to make a space for passing pipe and wire through the wall or ground under construction.

  • Page 96: Duct Type

        4. 4.         Indoor Units installation Indoor Units installation 2. Duct Type (Slim/MSP) 2. Duct Type (Slim/MSP) Type Type Slim Duct Slim Duct MSP Duct MSP Duct             Product Product  ...
  • Page 97         Installation guide Installation guide 2-3. Space Requirements for Indoor Unit 2-3. Space Requirements for Indoor Unit 1) If the ceiling is separable to 1) If the ceiling is separable to single sheets like textile, then no need to install an inspection single sheets like textile, then no need to install an inspection hole.
  • Page 98     4. 4.         Indoor Units installation Indoor Units installation 2-4. Indoor Units Installation 2-4. Indoor Units Installation 1) 1) Place the pattern sheet on the ceiling at the spot where you want to install the Place the pattern sheet on the ceiling at the spot where you want to install the  ...
  • Page 99         Installation guide Installation guide 10) Install drainpipe and drain hose 10) Install drainpipe and drain hose . . (1) Using a flexible hose clamp, fix the flexible hose. (1) Using a flexible hose clamp, fix the flexible hose. Clamp Clamp  ...
  • Page 100     4. 4.         Indoor Units installation Indoor Units installation (3) With the drain pump (3) With the drain pump 11) Power and 11) Power and communicat communication cable connection ion cable connection Indoor Indoor unit unit Indoor Indoor unit...
  • Page 101         Installation guide Installation guide 2-5. Precaution with Duct type 2-5. Precaution with Duct type 1) The suction side should have at least the same cross sectional area as the 1) The suction side should have at least the same cross sectional area as the discharge side.
  • Page 102     4. 4.         Indoor Units installation Indoor Units installation 2-6. Drain Pump Installation Process 2-6. Drain Pump Installation Process 1) Slim 1) Slim Duct (AVXDSH**)_Dr Duct (AVXDSH**)_Drain pump(MDP-E075S**1) ain pump(MDP-E075S**1) (1) Please, Separate the cabi (1) Please, Separate the cabinet of the indoor unite.
  • Page 103         Installation guide Installation guide (5) Connect the float switch of the drai (5) Connect the float switch of the drain pump(Yellow) and power supply unit(Black) to the n pump(Yellow) and power supply unit(Black) to the PCB of the indoor unit.
  • Page 104     4. 4.         Indoor Units installation Indoor Units installation (5) Tie the drai (5) Tie the drain pump wire and install the control box case. n pump wire and install the control box case. 3) MSP 3) MSP Duct (AVXDUH**)_ Drain pump(MDP-M075S***) Duct (AVXDUH**)_ Drain pump(MDP-M075S***) (1) Remove the Control Cover...
  • Page 105         Installation guide Installation guide (4) After connecting the Drain Hose with (4) After connecting the Drain Hose with the Drain Socket ,Assemble the Drain the Drain Socket ,Assemble the Drain Pump Pump (5) Insert the flexible hose into the drain socket until it clicks. (5) Insert the flexible hose into the drain socket until it clicks.

  • Page 106: Ceiling Ceiling

        4. 4.         Indoor Units installation Indoor Units installation 3. Ceiling 3. Ceiling 3-1. Space Requirements for Indoor Unit 3-1. Space Requirements for Indoor Unit AVXTF** AVXTF** Type Type Under Ceiling Under Ceiling Floor Standing Floor Standing  ...
  • Page 107         Installation guide Installation guide (4)     If installing on dropped ceiling, install threaded rod onto anchor bolt-(expansion bolt) to long If installing on dropped ceiling, install threaded rod onto anchor bolt-(expansion bolt) to long enough to suspend the unit right below the dropped ceiling and the install the unit suspending on enough to suspend the unit right below the dropped ceiling and the install the unit suspending on the threaded rod.

  • Page 108: Outdoor Units

        4. 4.         Indoor Units installation Indoor Units installation 3) EEV Kits 3) EEV Kits Installatio Installation n (1) Check dimension and installation location. (1) Check dimension and installation location. (2) Check installation place. (2) Check installation place. (3) Connect the “IN”...

  • Page 109: Console Sole

            Installation guide Installation guide 4. Console 4. Console     4-1. Space Requirements for Indoor Unit 4-1. Space Requirements for Indoor Unit AVXTJ** AVXTJ** 4-2. Indoor Units Installation 4-2. Indoor Units Installation When you install the indoor with side-pipe connection, please make space more than When you install the indoor with side-pipe connection, please make space more than  ...
  • Page 110     4. 4.         Indoor Units installation Indoor Units installation   The pipes & cable should be gone through the bottom back hole.  The pipes & cable should be gone through the bottom back hole.     (6) Please remove 6 items when set is installed.

  • Page 111: Wall-Mounted T Ounted Type Ype

            Installation guide Installation guide 5. Wall-mou 5. Wall-mounted T nted Type 5-1. Installation Standard 5-1. Installation Standard 1) Overview 1) Overview    ...
  • Page 112     4. 4.         Indoor Units installation Indoor Units installation <MB> <MB> <Vivace> <Vivace> <Neo-Forte> <Neo-Forte> Before fixing the installation plate to the wall or window frame, you must determine the position of the Before fixing the installation plate to the wall or window frame, you must determine the position of the 3-1/8”(80mm) hole through which the cable, pipe and hose pass to connect the indoor unit to the 3-1/8”(80mm) hole through which the cable, pipe and hose pass to connect the indoor unit to the outdoor unit.
  • Page 113         Installation guide Installation guide     Connection Connection of of refrigerant refrigerant piping piping Insulation Insulation   ① ①     Insert bolt anchors, use existing ce Insert bolt anchors, use existing ceiling supports or construct iling supports or construct a suitable support.

  • Page 114: Safety Safety Inform Information Ation

        5. 5.         Outdoor Units installation Outdoor Units installation 1. 1.     Safety Information Safety Information 1) Caution Signs 1) Caution Signs (1) Make sure of a ear (1) Make sure of a earthing. thing.

  • Page 115: Prepar Preparing Ing The The Installa Installation Tion

            Installation guide Installation guide (7) Install the outdoor unit within the angle of 25~55˚ depending on the building height as below (7) Install the outdoor unit within the angle of 25~55˚ depending on the building height as below table.

  • Page 116: Outdoor Units Installation Installation

        5. 5.         Outdoor Units installation Outdoor Units installation 2) Detaching Fasteners 2) Detaching Fasteners ① ①     Open the bottom cabinet with screw driver. Open the bottom cabinet with screw driver. ② ② Detach nut washer, washer Detach nut washer, washer and stopper nut from compressors with a tool.

  • Page 117: Selecting Proper Location For Installation

            Installation guide Installation guide 3. Selecting Proper Location for Installation 3. Selecting Proper Location for Installation 1) Caution 1) Caution (1) Install the indoor unit away from any (1) Install the indoor unit away from any interfering sources such as radio, c interfering sources such as radio, computer, stereo equipment omputer, stereo equipment and also select the place where the electrical wiring work can be possible.

  • Page 118: Space Requireme Space Requirements

        5. 5.         Outdoor Units installation Outdoor Units installation 4. Space Requirements 4. Space Requirements     1) Single 1) Single Installation Installation 2) Group 2) Group Installation Installation...
  • Page 119         Installation guide Installation guide 3) Recommended Case 3) Recommended Case (1) At least 200mm(8inch) of space between the outdoor units is needed for service area and heat (1) At least 200mm(8inch) of space between the outdoor units is needed for service area and heat radiation.

  • Page 120: Base Mount Base Mount Constru Construction Ction

        5. 5.         Outdoor Units installation Outdoor Units installation 5. Base Mount Construction 5. Base Mount Construction     1) Base Mount 1) Base Mount Construction Construction     2) Outdoor Unit 2) Outdoor Unit Installatio Installation n  ...
  • Page 121         Installation guide Installation guide 4) Anchor 4) Anchor Specificat Specifications ions     Diameter of Diameter of Anchor Anchor Sleeve Sleeve Fastening Fastening Size Size Insert depth Insert depth         drill bit(a) drill bit(a) length(b) length(b) length(c)
  • Page 122     5. 5.         Outdoor Units installation Outdoor Units installation 6) Recommended Case 6) Recommended Case (1) Construct a concrete foundation in accordance with the standards for the site where outdoor unit (1) Construct a concrete foundation in accordance with the standards for the site where outdoor unit is being installed.

  • Page 123: Drain Pipe Drain Pipe Install Installation Ation

            Installation guide Installation guide 6. Drain Pipe Installation 6. Drain Pipe Installation     1) Installing the 1) Installing the Drainpipe Drainpipe Insert the provided drain plug at the 2 sides of the bottom of the unit and then connect the Insert the provided drain plug at the 2 sides of the bottom of the unit and then connect the  ...

  • Page 124: Exhaus Exhaust T Duct Installation Duct Installation

        5. 5.         Outdoor Units installation Outdoor Units installation 7. Exhaust Duct Installation 7. Exhaust Duct Installation 1) Installing Duct for Horizontal Exhaust Duct 1) Installing Duct for Horizontal Exhaust Duct 2) Recommended Case 2) Recommended Case [Before] [Before] [After]...

  • Page 125: Installing The Outdoor Unit Harsh Environments

            Installation guide Installation guide 8. Installing the Outdoor Unit Harsh Environments 8. Installing the Outdoor Unit Harsh Environments     1) General Instructions 1) General Instructions (1) In abnormally harsh environments such as cold and/or windy areas, sufficient countermeasures to (1) In abnormally harsh environments such as cold and/or windy areas, sufficient countermeasures to guard against excessive wind guard against excessive wind and snow should be taken to ensure...

  • Page 126: Ation

        5. 5.         Outdoor Units installation Outdoor Units installation 2) Dimensional Drawing of Snow-proof Duct 2) Dimensional Drawing of Snow-proof Duct (1) Small Chassis (1) Small Chassis     (2) Large Chassis (2) Large Chassis  ...

  • Page 127: Louve Louver R Install Installation

            Installation guide Installation guide 9. Louver Installation 9. Louver Installation 1) Requirements of 1) Requirements of Louver installation Louver installation (1) Opening rate: 80% and more. (1) Opening rate: 80% and more. (2) Louver angle(Blade Slope): 20° and le (2) Louver angle(Blade Slope): 20°...

  • Page 128: Electri Electrical Cal Wiring Work Wiring Work

        5. 5.         Outdoor Units installation Outdoor Units installation 10. Electrical Wiring Work 10. Electrical Wiring Work 1) General Instructions 1) General Instructions (1) All wiring, components and materials to be procured on the site must comply with the applicable (1) All wiring, components and materials to be procured on the site must comply with the applicable local and national codes.
  • Page 129         Installation guide Installation guide 3) Circuit 3) Circuit Breake Breaker I r Installation nstallation (1) 3 phase 4 wires (1) 3 phase 4 wires ① ① Case 1 Case 1     ② ② Case 2 Case 2  ...
  • Page 130     5. 5.         Outdoor Units installation Outdoor Units installation 4) Wiring Diagram 4) Wiring Diagram (1) CO/HP Model (1) CO/HP Model (2) HR Model (2) HR Model ※ ※  If the communication cable between indoor and outdoor units and the communication cable  If the communication cable between indoor and outdoor units and the communication cable among outdoor units are among outdoor units are crossed, communication isn’t available.
  • Page 131         Installation guide Installation guide 5) Connecting the power terminal 5) Connecting the power terminal (1) Use solderless ring terminal to connect cable and terminal block. (1) Use solderless ring terminal to connect cable and terminal block. Good Good  ...
  • Page 132     5. 5.         Outdoor Units installation Outdoor Units installation 6) Power Cable Arrangement 6) Power Cable Arrangement (1) Make sure all wiring should not contact with piping line during the field wiring work. If not, the (1) Make sure all wiring should not contact with piping line during the field wiring work.

  • Page 133: Pump-D Pump-Down Own Operat Operation Ion

            Installation guide Installation guide 11. Pump-Down Operation 11. Pump-Down Operation 1) General Instructions 1) General Instructions (1) Pump-down operation is to gather the refrigerant into outdoor unit. (1) Pump-down operation is to gather the refrigerant into outdoor unit. (2) If system is under extremely low pressure, compressor will be damaged.

  • Page 134: Pump-Out Procedure

            5. 5.         Outdoor Units installation Outdoor Units installation 12. Pump-Out Procedure 12. Pump-Out Procedure 1) General Instructions 1) General Instructions (1) Pump-out is the name of operation which pumps out the refr (1) Pump-out is the name of operation which pumps out the refrigerant from outdoor unit.

  • Page 135: Setting The Option Switches & Function Keys

            Installation guide Installation guide 13. Setting the Option Switches & Function Keys 13. Setting the Option Switches & Function Keys     1) General Instruction 1) General Instruction (1) Refer to the installation manual for details. (1) Refer to the installation manual for details.

  • Page 136: Completing The Installation The Installation And Commissioning And Commissioning

        5. 5.         Outdoor Units installation Outdoor Units installation 14. Completing the Installation and 14. Completing the Installation and Commissioning Commissioning 1) Check List 1) Check List Contents Contents Check Check          Are the outdoor and indoor unit fixed securely?  Are the outdoor and indoor unit fixed securely?  ...
  • Page 137         Installation guide Installation guide...

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