Samsung MXJ-YA1509 Series Installation Manual Download Page 45

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Installation guide

Problem analysis



Regular vacuum pump was used in vac

Regular vacuum pump was used in vacuum operation.

uum operation.

Consequence



If the power of the vacuum pump cuts off unexpectedly

then the oil gets back to the r

then the oil gets back to the refrigerant system due to

efrigerant system due to

pressure difference.

Standard procedure



Use the vacuum pump which is

Use the vacuum pump which is 100% dedicated for

100% dedicated for

R410a system with stop valve.

Proper method



Purchase and use the vacuum pump with

Purchase and use the vacuum pump with the stop valve.

the stop valve.

Summary of Contents for MXJ-YA1509 Series

Page 1: ......

Page 2: ...oduct hand ct handling ling 29 29 3 Materia 3 Materials and To ls and Tools ols 39 39 3 Guideline for each installation process 3 Guideline for each installation process 1 Sleeve 1 Sleeve work work 47...

Page 3: ...17 4 4 Space Requireme Space Requirements 118 nts 118 5 5 Base Mount Base Mount Constru Construction ction 120 120 6 6 Drain Pipe Drain Pipe Install Installation ation 123 123 7 7 Exhaus Exhaust t Duc...

Page 4: ...nt air leakage and support water proofing The refrigerant pipes and electrical wiring works for the indoor unit should be finished by fixing the indoor unit in a level or perpendicular location In the...

Page 5: ...PLUS III HR is a module multi system air a module multi system air conditioner that has the world s conditioner that has the world s largest capacity 8 64HP with the a largest capacity 8 64HP with th...

Page 6: ...beautifully designed to enlighten your space Different types of indoor units will be more than enough beautifully designed to enlighten your space Different types of indoor units will be more than eno...

Page 7: ...oor types than actual load Determine outdoor units by the sum of the capacity Determine outdoor units by the sum of the capacity of preliminary selected indoor units At this time of preliminary select...

Page 8: ...such as connection of drain piping and humidification supply onnection of drain piping and humidification supply piping inspection and foundation piping inspection and foundation 2 Keep a constant che...

Page 9: ...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 rations are normally ormally carried out but thi...

Page 10: ...h to cut accurate length to cut Remove sharp object or Remove sharp object or something that can cause something that can cause deformation of the pipe in deformation of the pipe in advance advance Do...

Page 11: ...oth Remove burr in a Remove burr in a downward direction to downward direction to keep foreign keep foreign substances from substances from entering the pipe entering the pipe Check for burr residuals...

Page 12: ...ipe pipe Do not damage the Do not damage the insulation materials insulation materials Check for pipe damage Check for pipe damage Check interferences Check interferences Obey the separation of the Ob...

Page 13: ...test leakages leakages Inject nitrogen at the Inject nitrogen at the proper pressure proper pressure 1 1 st st 10kg cm 10kg cm 2 2 2 2 nd nd 41kg cm 41kg cm 2 2 In the presence of the In the presence...

Page 14: ...Check the insulation condition condition 6 Slope adjustment of the branch pipe 6 Slope adjustment of the branch pipe Picture Picture Work Work Description Description Things Things to to do do Check...

Page 15: ...age of the drainage of the condensed water condensed water 1 100 1 100 Check the slope Check the slope 4 Pipe connection 4 Pipe connection Picture Picture Work Work Description Description Things Thin...

Page 16: ...s installation 8 Water containing test 8 Water containing test Picture Picture Work Work Description Description Things Things to to do do Check Check point point Pour the water in Pour the water in t...

Page 17: ...ion Check the cable condition 6 Indoor unit 6 Indoor unit installation installation 1 Location determination 1 Location determination Picture Picture Work Work Description Description Things Things to...

Page 18: ...oor unit to prevent transfers to prevent transfers of the vibration of the vibration Do not allow the Do not allow the vibration proof rubber vibration proof rubber mat to be inclined mat to be inclin...

Page 19: ...Picture Picture Work Work Description Description Things Things to to do do Check Check point point Indoor unit Indoor unit wrapping wrapping Wrap the indoor unit Wrap the indoor unit with polythene...

Page 20: ...hange the location of the vibration location of the vibration proof board proof board Check the location in the Check the location in the diagram once again diagram once again 4 Connecting the vibrati...

Page 21: ...service valve of the outdoor valve of the outdoor unit and create vacuum unit and create vacuum all Discharge Suction all Discharge Suction Oil line Oil line Check the vacuum Check the vacuum conditio...

Page 22: ...pleted Completed injection of injection of refrigerant refrigerant Check if the amount of Check if the amount of injection is accurate injection is accurate Check the adequate Check the adequate amoun...

Page 23: ...twisting and test the entire unit the entire unit 10 Test 10 Test operation operation 1 Indoor unit address setting 1 Indoor unit address setting Picture Picture Work Work Description Description Thin...

Page 24: ...k Work Description Description Things Things to to do do Check Check point point Connecting the S Connecting the S net program to net program to the interface the interface module module Make a correc...

Page 25: ...propriate Base area size 1 5 times the Base area size 1 5 times the floor floor Total height 150mm Total height 150mm Wooden palette installation Wooden palette installation prohibited prohibited Outd...

Page 26: ...t the outdoor unit When the front and the rear are When the front and the rear are face to face secure the minimum face to face secure the minimum distance of 3000mm between distance of 3000mm between...

Page 27: ...ion guide Conform to the installation guide of product slope and drain of product slope and drain pump pump s pumping s pumping limit limit Drain incline 1 100 Drain incline 1 100 Drain pumping height...

Page 28: ...Electricity specification is correctly delivered correctly delivered Amperage carrying capacity is Amperage carrying capacity is fairly enough for the units fairly enough for the units In case of 3 p...

Page 29: ...ance decrease and even serious accident which may involve personal injury accident which may involve personal injury Standard procedure Standard procedure Product is future property of our clients Pro...

Page 30: ...e deteriorating condenser gets damaged it will cause deteriorating performance and even make a leakage from the pipe performance and even make a leakage from the pipe Standard procedure Standard proce...

Page 31: ...e may cause critical safety trouble Such damage may cause critical safety trouble Standard procedure Standard procedure When When handling handling the product in the the product in the site you must...

Page 32: ...ure Standard procedure Pile cannot be over 6rows and e Pile cannot be over 6rows and exceed 2m 6 5ft xceed 2m 6 5ft in height You cannot pile them vertically either in height You cannot pile them vert...

Page 33: ...the indoor units get soaked water If the indoor units get soaked water will damage the will damage the packaging first and then it may get into the indoor unit and packaging first and then it may get...

Page 34: ...get damaged or even lost or even lost Standard procedure Standard procedure When storing the indoor unit When storing the indoor unit 1 Do not mix different models 1 Do not mix different models 2 Do...

Page 35: ...Standard procedure Strictly regulate the package removal before installing Strictly regulate the package removal before installing the indoor units Manage and keep all the related parts the indoor uni...

Page 36: ...substances will Dust and other foreign substances will get inside and get inside and cause pipe blockage or other cause pipe blockage or other malfunctions malfunctions Standard procedure Standard pro...

Page 37: ...hanging on the ceiling without any Protection which allows dust and other foreign Protection which allows dust and other foreign substances to enter and cause mal substances to enter and cause malfunc...

Page 38: ...and service agent can be at risk Safety of client and service agent can be at risk Standard procedure Standard procedure Install the safety net for safety re Install the safety net for safety reasons...

Page 39: ...lead to explosion while using the product which could even bring personal injury the product which could even bring personal injury Standard procedure Standard procedure Installation material require...

Page 40: ...s etc etc Consequence Consequence Such defects decrease the stre Such defects decrease the strength of the pipe which ngth of the pipe which may result in explosion or leakage may result in explosion...

Page 41: ...og the hole of Therefore wax type materials may clog the hole of EEV or oil filters EEV or oil filters Standard procedure Standard procedure Check if it is clean enough Check if it is clean enough For...

Page 42: ...ter or foreign substances within the pipe will cause Water or foreign substances within the pipe will cause blockage that can lead to product malfunction or blockage that can lead to product malfuncti...

Page 43: ...cause the pipe breakup strength which may cause the pipe breakup Standard procedure Standard procedure Required thickness Soft type Required thickness Soft type Outer Outer diameter mm diameter mm Min...

Page 44: ...tioning performance guarantee air conditioning performance Proper method Proper method Follow the below specification strictly and aware of the Follow the below specification strictly and aware of the...

Page 45: ...ff unexpectedly then the oil gets back to the r then the oil gets back to the refrigerant system due to efrigerant system due to pressure difference pressure difference Standard procedure Standard pro...

Page 46: ...bly clogging refrigerant passage or causing compressor failure causing compressor failure Standard procedure Standard procedure Never utilize R22 gauge for R410a system to prevent Never utilize R22 ga...

Page 47: ...s 1 2 Selection of sleeve 1 2 Selection of sleeve 1 Sleeve work should be performed to make a 1 Sleeve work should be performed to make a space for passing pipe and wire space for passing pipe and wir...

Page 48: ...109 113 113 116 116 12 7 12 7 50 7 50 7 95 95 98 98 109 109 113 113 116 116 119 119 15 88 15 88 53 88 53 88 98 98 101 101 113 113 116 116 119 119 122 122 19 05 19 05 57 05 57 05 101 101 105 105 116 11...

Page 49: ...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 F...

Page 50: ...lize U U shape volt or circular band on th shape volt or circular band on the insulation of the pipe e insulation of the pipe Fixing Fixing with with a a circular circular band band Fixing Fixing with...

Page 51: ...sulation materials and the wires in the earlier phase when you need to install an indoor unit install an indoor unit 2 Functions 2 Functions 1 Buried in the wall on the pipe installation site and conn...

Page 52: ...the refrigerant pipe Outer Outer diameter diameter Minimum Minimum thickness thickness Temper Temper grade grade 6 35 0 7 6 35 0 7 C1220T O C1220T O 9 52 0 7 9 52 0 7 12 70 0 8 12 70 0 8 15 88 1 0 15...

Page 53: ...6kW 15 0 40 6kW MXJ YA2812 MXJ YA2812 40 6 46 4 kW 40 6 46 4 kW MXJ YA2815 MXJ YA2815 46 4 69 6 kW 46 4 69 6 kW MXJ YA3119 MXJ YA3119 69 6 98 6 kW 69 6 98 6 kW MXJ YA3819 MXJ YA3819 98 6 139 2 kW 98...

Page 54: ...ng 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 2 Taping 2 Taping T...

Page 55: ...ing Covering Method Method Outdoors Outdoors 1 1 months months or or more more Pinching Pinching Less Less than than 1 1 months months Pinching Pinching or or taping taping Indoors Indoors Irrelevant...

Page 56: ...t resistance of 100 C or more Essential Points Essential Points of Thermal of Thermal Insulation Insulation The insulation of jointed areas such as the soldered flared or flanged The insulation of joi...

Page 57: ...liquid piping must be insulated Example of thermal insulation work Example of thermal insulation work 3 3 piping piping section section between outdoor between outdoor unit unit and and MCU MCU unit u...

Page 58: ...he pipes the condensed water does not fall from the pipes and the capacity of the air conditioner is improved of the air conditioner is improved Check if there are any insulation cracks on the bent pi...

Page 59: ...the interior temperature over 120 C Wrap the branch joint with a Wrap the branch joint with an insulation of a thickness of at n insulation of a thickness of at least 10mm least 10mm Header joint Head...

Page 60: ...ipes The liquid gas pipes should be mounted at the different position horizontally in order not to The liquid gas pipes should be mounted at the different position horizontally in order not to interfe...

Page 61: ...2 MXJ HA2512 MXJ HA3115 MXJ HA3115 MXJ HA3819 MXJ HA3819 Liquid side Liquid side Gas side Gas side Insulation Insulation Liquid side Gas side Liquid side Gas side Socket Socket Liquid Liquid Side Side...

Page 62: ...ing the provided reducer properly the pipe by cutting the provided reducer properly Connect the header joint in order respecting the number of the indoor unit Connect the header joint in order respect...

Page 63: ...pe size Liquied pipe Liquied pipe Gas pipe High pressure gas pipe Gas pipe High pressure gas pipe When using A J type of Outdoor joint connect the When using A J type of Outdoor joint connect the Outd...

Page 64: ...ed differences The following specs are applied Y Joint Y Joint Model Model Name Name MXJ YA1509 MXJ YA1509 MXJ YA2212 MXJ YA2212 MXJ YA2512 MXJ YA2512 MXJ YA2815 MXJ YA2815 MXJ YA3119 MXJ YA3119 MXJ Y...

Page 65: ...nd rats may get into the unit through the hole and the unit may unit through the hole and the unit may be damaged be damaged Fix the pipe cover of bottom side and Fix the pipe cover of bottom side and...

Page 66: ...ted on the Ambient air temperature sensor for detecting outside temperature is located on the left side of the welding left side of the welding part Make sure not to damage the temperature part Make s...

Page 67: ...ork work Wrong piping work Wrong piping work The refrigerant The refrigerant piping piping should should be be the same level or the same level or lower than lower than connecting position connecting...

Page 68: ...s when brazing the pipe Use Nitrogen gas when brazing the pipes as shown s as shown in the picture in the picture If you do not use Nitrogen gas when brazing the If you do not use Nitrogen gas when br...

Page 69: ...g pipe brazing is performed with pan coil type copper pipe and 1 Generally expending pipe brazing is performed with pan coil type copper pipe and socket blazing is performed with straight copper pipe...

Page 70: ...tightness test Nitrogen pressurization 4MPa Nitrogen pressurization 4MPa No No change change in in the the gauge gauge for for 24 24 hours hours 41kgf cm 41kgf cm 2 2 4 1Mpa pressure maintained 4 1Mp...

Page 71: ...re regulator on nitrogen cylinder nder The gas used must be nitrogen The gas used must be nitrogen There is a danger of condensation if fleon or carbon dioxide are used and oxygen carries the There is...

Page 72: ...flushing n be checked during flushing by placing a rag l by placing a rag lightly over the end of the pipe In the ightly over the end of the pipe In the unlikely case that even a unlikely case that e...

Page 73: ...pipe It is a drainpipe where the drainpipes from the indoor unit are merged It is a drainpipe where the drainpipes from the indoor unit are merged 2 What is a branch pipe 2 What is a branch pipe It i...

Page 74: ...cause bending The hangers should be separated by 1 to 1 5 meter should be separated by 1 to 1 5 meters s 3 Check the drainpipe diameter horizontal branch vertical pipe on the diagram 3 Check the drai...

Page 75: ...o PVC pipe cutter photo 3 Insulate the drainpipe that is cut Thickness of 5 10T attach a photo of inserted 3 Insulate the drainpipe that is cut Thickness of 5 10T attach a photo of inserted insulation...

Page 76: ...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 2 Perform 1 100 slope works on the...

Page 77: ...ution Precaution T joints should not be connected horizontally T joints should not be connected horizontally 3 When you connect the horizontal pipe to the vertical pipe do not make horizontal 3 When y...

Page 78: ...the trap ranges from 300 to 550mm anges from 300 to 550mm In the upper area of the trap max height of the drainpipe install an air vent to prevent the In the upper area of the trap max height of the...

Page 79: ...tion P or U trap on the pipe coming from the indoor unit P Trap U Trap pipe photo inserted here P Trap U Trap pipe photo inserted here An air vent should be installed on the indoor unit side and locat...

Page 80: ...fter that for twenty four hours perform water soaking test to test flows smoothly After that for twenty four hours perform water soaking test to test leakages In this test the amount of water injectio...

Page 81: ...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 Insula...

Page 82: ...efully so that insulation carefully so that the pipe will not get the pipe will not get damaged with EPDM damaged with EPDM Apply bond on both side of Apply bond on both side of cut surface Make sure...

Page 83: ...the fitting connecting All of the fitting connecting parts parts should be insulated should be insulated Bring face to face the each end Bring face to face the each end of EPDM on of EPDM on fitting c...

Page 84: ...or testing Maintain 1Mpa Maintain 1Mpa 2 2 2 2 nd nd leakage test After connecting the leakage test After connecting the pipe to the outdoor indoor unit use Nitrogen at 4Mpa for pipe to the outdoor in...

Page 85: ...l Equalizing pipe 4 Oil Equalizing pipe 3 Connect the prepared two manifold gauges and five hoses as shown below and 3 Connect the prepared two manifold gauges and five hoses as shown below and connec...

Page 86: ...of R410a gauge manifolds five or more manifold hoses more than one vacuum hoses more than one vacuum pump pump 4 Power up the indoor outdoor unit In case of HR if the power is not on then all the valv...

Page 87: ...the value in the below table For more than 2 and a half hours Boiling point Boiling point of water of water Gauge pressure Gauge pressure mmHg mmHg Pa Pa Torr Torr 40 40 705 705 7333 7333 55 55 30 30...

Page 88: ...ng tion manual before proceeding 10 2 Procedures HR Module Installation Standards 10 2 Procedures HR Module Installation Standards 1 Before starting 1 Before starting 1 Check the necessary amount of a...

Page 89: ...nifold is connected to the liquid valve of the need to turn it upside down as long as the gauge manifold is connected to the liquid valve of the refrigerant box If not connected then turn i refrigeran...

Page 90: ...n 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 oth...

Page 91: ...g heating performance may det exceeded Cooling heating performance may deteriorate eriorate High Ceiling Kit makes it possible to install indoor unit at the high ceiling condition up to 5 2m High Ceil...

Page 92: ...T Terminal erminal not not used Y used Y terminal terminal used used Ring Ring terminal terminal used used Ring terminal should be used Ring terminal should be used for power line connection for powe...

Page 93: ...1 5m of 1 1 5m Install the air Install the air vent in the horizontal drainpipe to prevent water vent in the horizontal drainpipe to prevent water flow back to the indoor unit flow back to the indoor...

Page 94: ...ed to install individual air vent to prevent water flow back at the top of each indoor You may need to install individual air vent to prevent water flow back at the top of each indoor unit drainpipe u...

Page 95: ...gth of test the strength of each attached suspension bolt each attached suspension bolt If the length of suspension bolt is more than 1 5m it i If the length of suspension bolt is more than 1 5m it is...

Page 96: ...e water 4 Make sure that the water dripping from the drain hose runs away dripping from the drain hose runs away correctly and safely correctly and safely 5 The indoor unit must be installed 5 The ind...

Page 97: ...p Only install inspection hole B PBA inspection hole B PBA inspection inspection 2 500 mm or less from the product bottom to the ceiling top Install 2 500 mm or less from the product bottom to the cei...

Page 98: ...mm higher than the drain side 6 If the ceiling bottom is likely to generate vibration due to indoor unit installation 6 If the ceiling bottom is likely to generate vibration due to indoor unit install...

Page 99: ...pipe 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 2 Without the drain pump 2 Without the d...

Page 100: ...unication Connection Outdoor to Indoor unit Use Y type terminal for the Communication Connection Outdoor to Indoor unit Indoor to Indoor unit for Indoor to Indoor unit for Wired remote connection Wire...

Page 101: ...amber with built in soundproofing To minimize the air flow noise attach a suction discharge chamber with built in soundproofing materials materials 6 When the duct suction hole is located on the ceili...

Page 102: ...of the indoor unite net of the indoor unite 2 Separate the cabinet base 2 Separate the cabinet base of the indoor unit and fix it wi of the indoor unit and fix it with the drain pump th the drain pump...

Page 103: ...allation 2 Slim 2 Slim Duct AVXDSH Duct AVXDSH 01 _ 01 _ Drain pump MDP E075S 3 Drain pump MDP E075S 3 1 1 Release the two screws on the control box and separate the cover and the cabinet side Release...

Page 104: ...Duct AVXDUH _ Drain pump MDP M075S Duct AVXDUH _ Drain pump MDP M075S 1 Remove the Control Cover 1 Remove the Control Cover 2 Remove the wire from PCB Then remove the Control Box 2 Remove the wire fro...

Page 105: ...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 6 Connect the cable to the e 6 Connect the cable to th...

Page 106: ...mm for pipe and cable ected drill 4 100mm for pipe and cables and 1 5 8 s and 1 5 8 40mm for drain hose diameter holes on 40mm for drain hose diameter holes on the wall the wall 2 2 Drill holes for a...

Page 107: ...1 Select pipe directions Select pipe directions When the directions are When the directions are selected drill 4 100mm for pipe and cabl selected drill 4 100mm for pipe and cables and 1 5 8 es and 1 5...

Page 108: ...sulation tion 6 The EEV kit has to be installed 6 The EEV kit has to be installed that the user has no access that the user has no access to it built in type to it built in type 4 Drain Hose Installat...

Page 109: ...install the indoor at the inclined floor please lean the set toward the drain hose 2 When you install the indoor at the inclined floor please lean the set toward the drain hose and pipe connection to...

Page 110: ...gh the bottom back hole The pipes cable should be gone through the bottom back hole 6 Please remove 6 items when set is installed 6 Please remove 6 items when set is installed 7 Drain Hose Installatio...

Page 111: ...110 110 Installation guide Installation guide 5 Wall mou 5 Wall mounted T nted Type ype 5 1 Installation Standard 5 1 Installation Standard 1 Overview 1 Overview...

Page 112: ...n in the picture and drill the hole with an inner di hole with an inner diameter of 3 1 8 80mm so that it slants slightly downwards ameter of 3 1 8 80mm so that it slants slightly downwards If If you...

Page 113: ...nnection Insulate the connection piping A joint pa Insulate the connection piping A joint part of pipe needs rt of pipe needs double thickness of insulation double thickness of insulation The EEV kit...

Page 114: ...r arsenic The place where there is mineral oil or arsenic acid acid Those parts may get damaged due to burned resin Those parts may get damaged due to burned resin The efficiency of the heat exchanger...

Page 115: ...1 Moving the Outdoor Unit 1 When moving with a crane or 1 When moving with a crane or straps straps Fasten the wire rop Fasten the wire rope as seen in e as seen in the picture the picture A A To To p...

Page 116: ...ing Fasteners Open the bottom cabinet with screw driver Open the bottom cabinet with screw driver Detach nut washer washer Detach nut washer washer and stopper nut from compressors with a tool and sto...

Page 117: ...snow 3 Ventilation system will be better installed for the case of the refrigerant leakage in a closed room 3 Ventilation system will be better installed for the case of the refrigerant leakage in a...

Page 118: ...117 117 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: ...itionally considering effects from typhoon and seasonal wind Anti corrosion type must be additionally considering effects from typhoon and seasonal wind Anti corrosion type must be selected Special co...

Page 120: ...tdoor Unit 2 Outdoor Unit Installatio Installation n 3 Outdoor Unit Base Mount and Anchor Bolt 3 Outdoor Unit Base Mount and Anchor Bolt Position Position Heat Pump Heat Pump RVXVHT080 100 120 RVXVHT0...

Page 121: ...er to prevent the outdoor unit bolt connection part from corroding m corroding 2 When connecting the pipes 2 When connecting the pipes Check the strength of the roof to install the outdoor unit and ma...

Page 122: ...on must be 1 5 times larger than the outdoor unit r unit Concrete foundation shouldn t be slanted and condensed water needs to flow away without Concrete foundation shouldn t be slanted and condensed...

Page 123: ...2 When Installing Single Outdoor Unit 2 When Installing Single Outdoor Unit 3 When Installing Multiple Outdoor Unit 3 When Installing Multiple Outdoor Unit 4 Caution 4 Caution 1 1 Do not install a Do...

Page 124: ...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 Reco...

Page 125: ...nts subject to strong winds or rai environments subject to strong winds or rain install air inle n install air inlet and outlet ducting as shown below t and outlet ducting as shown below Caution Cauti...

Page 126: ...5 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 Ch...

Page 127: ...ver 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 and less ss 3 Louver shape Don t use drainable blade type 3 Lo...

Page 128: ...All wiring components and materials to be procured on the site must comply with the applicable local and national codes local and national codes 2 Be sure to comply with the specifications of the circ...

Page 129: ...guide 3 Circuit 3 Circuit Breake Breaker I r Installation nstallation 1 3 phase 4 wires 1 3 phase 4 wires Case 1 Case 1 Case 2 Case 2 2 3 phase 3 wires a 2 3 phase 3 wires and 1 phase 2 wires nd 1 ph...

Page 130: ...el 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...

Page 131: ...according to a blueprint 3 Install the wire box wi 3 Install the wire box with uncovered insulation tube to the product th uncovered insulation tube to the product 4 During the installation in the sit...

Page 132: ...an make damage to wiring Good Good Bad Bad 7 Circuit 7 Circuit Breake Breaker I r Installation nstallation 1 Install a circuit breaker For safety and maintenance we strongly recommend that MCCB and EL...

Page 133: ...Group Installation Group Installation Press K2 button 3 times Press K2 button 3 times for pump down operation for pump down operation Push K4 button 4 times for Push K4 button 4 times for checking lo...

Page 134: ...y ickly 2 Procedure of Pump down operation 2 Procedure of Pump down operation Close Liquid SVC Close Liquid SVC Valve of Valve of outdoor unit to carry out pump outdoor unit to carry out pump out oper...

Page 135: ...ly 2 Check List 2 Check List Contents Contents Check Check Outdoor Unit Outdoor Unit The number of connected indoor unit The number of connected indoor unit Outdoor unit address Outdoor unit address T...

Page 136: ...drain properly insulated Have you completed the gas leak and drain test Have you completed the gas leak and drain test Is the wiring route correct Is the wiring route correct Have you performed the e...

Page 137: ...136 136 Installation guide Installation guide...

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