Samsung KXWD Series Installation Manual Download Page 1

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DVM S WATER-GEO

✴✴✴

KXWD Series

✴✴✴

HXWA Series

Air Conditioner

installation manual

imagine

the possibilities

Thank you for purchasing this Samsung product.

DB68-04799A-03

EN ES FR PT

k}tGzG~Tnlvptluki]_TW[^``hTWZUGGGXY^

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Summary of Contents for KXWD Series

Page 1: ...M KXWD Series AM HXWA Series Air Conditioner installation manual imagine the possibilities ThankyouforpurchasingthisSamsungproduct DB68 04799A 03 EN ES FR PT k tGzG Tnlv pt lu ki _TW hTWZU GGGXY YWX T...

Page 2: ...57 Air tightness test and vacuum drying 73 Pipe insulation 76 Refrigerant collection 80 Charging refrigerant 82 Basic segment display 84 Setting outdoor unit option switch and key function 84 Water p...

Page 3: ...on explain to the user how to use and maintain the product Also hand over this installation manual so that it can be stored by the user Manufacturer is not responsible for the incidents occurred by im...

Page 4: ...fully and check that power plug and a consent does not have any dust blockage or loosened part f If there is dust blockage or loosened part on a power plug or consent it can cause electric shock or fi...

Page 5: ...ask the customer to maintain a clean installation place around it After completing the installation run the trial operation If no error occurs explain to the customer how to use and clean the air cond...

Page 6: ...ely store or dispose the packaging materials Sharp metals such as nails or wooden material packaging that may break into pieces become a cause for personal injury Make sure to store or dispose the vin...

Page 7: ...ing Btu h 38200 47800 54600 Heating Btu h 42600 54600 61400 Rated Capacity Cooling Btu h 38000 48000 54500 Heating Btu h 42000 54000 61000 Total capacity of the connected indoor units cooling Minimum...

Page 8: ...u h 218400 249600 280800 312000 Maximum number of connectable indoor units 29 33 37 41 Model name for combination Used for both heat pump and heat recovery systems 3 phase 22 ton 24 ton 26 ton 28 ton...

Page 9: ...XWA AM504HXWA AM576HXWA Number of individual outdoor units 3 3 3 3 Combined outdoor unit AM072HXWA 1 AM096HXWA 1 AM120HXWA 1 AM192HXWA 2 2 2 3 Nominal Capacity Cooling Btu h 456000 480000 504000 57600...

Page 10: ...shown in the figure f To protect damage or scratches insert a piece of cloth between the outdoor unit and the wire rope Wire rope Protection cloth Wooden pallet Spreader bar When moving with a forklif...

Page 11: ...f Choose a place where you can easily connect the refrigerant pipes between indoor and outdoor units within allowable distance f This product is not salt tolerant therefore do not install it near the...

Page 12: ...roduct f If the conditions does not meet the space requirement in this manual please contact qualified installation agent f You must check the required service clearance since it is different for each...

Page 13: ...of the product Top view Service space Front side C Space for installing water pipe Over 300 12 Outdoor unit Over350 14 A Over 300 12 B Over 500 20 Unit mm inch Front view Anti vibration pad D Over 100...

Page 14: ...e or continuous installation Top view Unit mm inch Service space Front side C Over 20 1 Outdoor unit Over350 14 A Over E B Over 300 12 Over350 14 A Over E Service space Front side Outdoor unit k tGzG...

Page 15: ...units does not block the front side of the outdoor units next to it Unit mm inch Model name of outdoor unit A B C D E AM038 048 055KXWD 750 29 5 330 13 500 19 7 800 31 5 100 4 AM072 096 120HXWAF 770...

Page 16: ...19 05 3 4 9 52 3 8 15 88 5 8 19 05 3 4 9 52 3 8 AM096HXWA 8 ton a Unit connection 22 22 7 8 9 52 3 8 19 05 3 4 No 19 05 3 4 9 52 3 8 Yes Field connection 22 22 7 8 9 52 3 8 19 05 3 4 22 22 7 8 9 52 3...

Page 17: ...461 and below Over 70 3 135 2 and below MXJ YA3800M Over 461 Over 135 2 Distribution header MXJ HA2512M 154 and below for 4 rooms 45 0 and below for 4 rooms MXJ HA3115M 240 and below for 8 rooms 70 3...

Page 18: ...Outdoor unit must be fixed firmly so that it can withstand the wind speed of 30 m s 98 4 ft s If you cannot fix the outdoor unit on the base ground fix it by side or use extra structure 5 In heating o...

Page 19: ...4 2 13 Hole on outdoor unit for fixing anchor bolt 4 x 12 mm 1 2 Hole on base ground for anti vibration frame 4 x 12 mm 1 2 Unit mm inch Classification Small chassis Medium chassis Large chassis Model...

Page 20: ...door unit Drain socket Slope over 1 50 Open to air f Do not install trap and ensure the slope of the drain pipe is more than 1 50 f Insulate the drain pipe and drain plug with insulation over 10 mm 0...

Page 21: ...ns regarding anti vibration frame installation f During installation make sure there is no gap between the base ground and the supporting structures such as anti vibration frame or H beam f Base groun...

Page 22: ...ies compatible with R 410A refrigerant gas Tool Installation process purpose Compatibility with conventional tool Pipe cutter Refrigerant pipe installation Pipe cutting Compatible Flaring tool Pipe fl...

Page 23: ...nit exceeds 90 m 295 28 ft the size of the pipe main pipe connecting the outdoor unit to the first branch joint must be increased by 1 grade f For HR System when the pipe length including elbow betwee...

Page 24: ...nch Gas pipe mm inch 4 3 9 52 3 8 15 88 5 8 5 4 9 52 3 8 19 05 3 4 6 5 9 52 3 8 19 05 3 4 f Install the refrigerant pipe according to main pipe size of each outdoor unit capacity Pipe installation bet...

Page 25: ...527 AM055KXWD 1 6 2 527 f Charging additional refrigerant The amount of additional refrigerant charging The amount of refrigerant charging for pipe the amount of refrigerant correction charging for a...

Page 26: ...0 93 0 42 0 93 0 62 1 37 MAduct AM JNMDC AM JNHDC 0 37 0 82 0 37 0 82 0 37 0 82 0 37 0 82 0 54 1 19 0 47 1 04 0 47 1 04 0 47 1 04 0 68 1 50 0 68 1 50 MAduct AM JNMPC 0 37 0 82 0 68 1 50 0 68 1 50 0 6...

Page 27: ...3 20 240 70 3 15 88 5 8 28 58 1 1 8 19 05 3 4 31 75 note3 1 1 4 note3 22 264 77 4 19 05 3 4 34 92 1 3 8 22 22 7 8 38 1 note4 1 1 2 note4 24 288 84 4 19 05 3 4 34 92 1 3 8 22 22 7 8 38 1 note4 1 1 2 no...

Page 28: ...8 28 58 1 1 8 19 05 3 4 31 75 note2 1 1 4 note2 240 336 70 3 98 4 19 05 3 4 34 92 1 3 8 22 22 7 8 38 10 note3 1 1 2 note3 336 461 98 4 135 2 19 05 3 4 41 28 1 5 8 22 22 7 8 41 28 1 5 8 461 577 135 2 1...

Page 29: ...ver 135 2 f Branch joint E Select a branch joint according to the sum of indoor unit capacity which will be connected after the branch 1 Y joint Classification Model name Specification MBH kW Y joint...

Page 30: ...3 3 15 88 5 8 28 58 1 1 8 28 58 1 1 8 19 05 3 4 28 58 1 1 8 28 58 1 1 8 20 240 70 3 15 88 5 8 28 58 1 1 8 28 58 1 1 8 19 05 3 4 28 58 1 1 8 28 58 1 1 8 22 264 77 4 19 05 3 4 34 92 1 3 8 28 58 1 1 8 22...

Page 31: ...5 88 5 8 28 58 1 1 8 22 22 7 8 172 240 50 4 70 3 15 88 5 8 28 58 1 1 8 28 58 1 1 8 240 336 70 3 98 4 19 05 3 4 34 92 1 3 8 28 58 1 1 8 336 360 98 4 105 5 19 05 3 4 41 28 1 5 8 28 58 1 1 8 360 461 105...

Page 32: ...High pressureY joint D MXJ YA1500M 76 and below 22 4 and below MXJ YA2500M Over 76 240 and below Over 22 4 70 3 and below MXJ YA3100M Over 240 461 and below Over 70 3 135 2 and below MXJ YA3800M Over...

Page 33: ...8 1 4 5 m 16 4 1 2 10 m 32 8 192 MBH 16Ton 16Ton 24 MBH 24 MBH 24 MBH 31 MBH 24 MBH 24 MBH 24 MBH 12 MBH 3 8 1 m 3 3 1 2 5 m 16 4 5 8 10 m 32 8 1 2 10 m 32 8 3 8 15 m 49 2 3 8 10 m 32 8 1 2 10 m 32 8...

Page 34: ...e pipe size f Amount of additional refrigerant for each indoor unit Unit kg lb Capacity MBH Model 7 5 9 9 5 12 18 20 24 30 36 48 76 8 96 1way cassette AM FN1DC 0 25 0 55 0 25 0 55 0 25 0 55 Mini 4way...

Page 35: ...d pipe 6 35 1 4 5 16 4 0 02 0 013 0 1 0 22 7 975 17 58 9 52 3 8 70 229 7 0 06 0 040 4 2 9 26 12 70 1 2 15 49 2 0 125 0 084 1 875 4 13 15 88 5 8 10 32 8 0 18 0 121 1 8 3 97 Classification Model name of...

Page 36: ...ess of the refrigerant pipe Outer diameter Minimum thickness Temper grade mm inch mm inch 6 35 1 4 0 70 0 028 Annealed 9 52 3 8 0 70 0 028 12 70 1 2 0 80 0 031 15 88 5 8 1 00 0 039 19 05 3 4 0 90 0 03...

Page 37: ...welding the refrigerant pipes flush them with nitrogen gas as shown in the picture f If you do not perform nitrogen flushing when welding the pipes oxide may form inside the pipe It can cause the dam...

Page 38: ...ring part A mm inch Using flaring tool for R 410A Using conventional flaring tool Clutch type Wing nut type 6 35 1 4 0 0 5 0 0 02 1 0 1 5 0 04 0 06 1 5 2 0 0 06 0 08 9 52 3 8 0 0 5 0 0 02 1 0 1 5 0 04...

Page 39: ...ft mm inch 6 35 1 4 14 18 10 3 13 3 8 7 9 1 0 34 0 36 L D 90 2 4 5 2 R 0 4 0 8 0 016 0 032 9 52 3 8 34 42 25 1 31 0 12 8 13 2 0 50 0 52 12 7 1 2 49 61 36 1 45 0 16 2 16 6 0 64 0 65 15 88 5 8 68 82 50...

Page 40: ...llation make sure that each heat pump valve and K5 switch setting is adjusted according to each purpose When installing outdoor units in module E573 error may occur when settings are different between...

Page 41: ...ripping from the wet cloth may interrupt the welding Make sure the water does not drip from the wet cloth t Make sure that connected pipes does not interrupt each other or make contact with the produc...

Page 42: ...istribution of the refrigerant you must useY joint for connecting outdoor units Do not useT joint f When outdoor units are installed in module there are no restrictions on the order of installation Ca...

Page 43: ...allation When the piping length between outdoor unit and the branch joint exceeds 2 m 6 56 ft install a vertical trap as show in the figure 2 m 6 56 ft or more 1 m 3 28 ft or less 200 300 mm 8 12 inch...

Page 44: ...llation Examples of refrigerant pipe installation H P AM072 096 120 144HXWA 1 UsingY joint 2 Using distribution header HR AM072 096 120 144HXWA7 1 UsingY joint MCU MCU MCU MCU k tGzG Tnlv pt lu ki _TW...

Page 45: ...st indoor unit 90 m 295 The equivalent length betweenY joint and EEV kit 0 5 m 1 64 Main pipe length The main pipe a from the outdoor unit to the firstY joint should be less than 50 m 164 Total length...

Page 46: ...ng MEV E32SA 20 m 66 or less MXD E24K132A 2 indooor MXD E24K200A MXD E32K200A MXD E24K232A 3 indooor MXD E24K300A MXD E32K224A MXD E32K300A Please refer to the EEV Kit manual Connection by header join...

Page 47: ...n outdoor unit and indoor unit 30 m 98 Height H2 The difference in height between indoor units 15 m 49 Maximum allowable length afterY joint Actual Length The distance between the header joint and the...

Page 48: ...c d e f g h i 300 m 984 Outdoor unit Outdoor unit Module installation Pipe length 10 m 33 or less r 10 m 33 s 10 m 33 t 10 m 33 Equivalent length 13 m 43 or less r 13 m 43 s 13 m 43 t 13 m 43 Maximum...

Page 49: ...the outdoor unit first branch joint was increased by 1 grade a b c d e f g 2 h i j k l m n p 300 m 984 EachY joint Each indoor unit h i j p 45 m 148 Difference between the distance of the outdoor unit...

Page 50: ...50 40 m 164 131 Note 2 H1 50 40 m 164 131 Indoor unit Indoor unit Pipe length 15 m 49 or less H2 15 m 49 MCU MCU Pipe length 15 m 49 or less H4 15 m 49 Maximum allowable length after branch joint Firs...

Page 51: ...in 15 of the horizon or vertical line t Make sure that the pipe is not bent at where it is connected to the branch joint t Keep a minimum straight line distance of 500 mm 20 inch or more before connec...

Page 52: ...quid side Case of blocking the unused distribution header ports Connect in order Welding part Provided item Gas side Case of blocking the unused distribution header ports Connect in order t Cut the pr...

Page 53: ...ibution header horizontally so that its ports do not face down Below 10 Horizon line Socket Distribution header Pipe Separately purchased item Below 15 Horizon line Horizon line Liquid side Below 15 H...

Page 54: ...quid side socket Liquid side socket Pipe Connect to other outdoor unit Use a provided liquid side socket according to the size of the selected pipe Connect to other branch joint between outdoor units...

Page 55: ...each single port in MCU Single capacity range between 36 MBH to 48 MBH Join two ports in the MCU with offeredY connector liquid gas then connect to indoor unit as above Reference of continuous coolin...

Page 56: ...n from outdoor unit Pipe connection to indoor unit Gas pipe Flare Liquid pipe Flare Protect with wet towel when welding 70 mm 2 75 inch 70 mm 2 75 inch When installing MCU use the pattern sheet for in...

Page 57: ...WAF 18 4 23 40 17 6 17 6 39 6 50 26Ton AM312HXWAF 24 30 50 17 6 17 6 39 6 50 28Ton AM336HXWAF 12 8 16 25 12 8 16 25 17 6 17 6 39 6 50 30Ton AM360HXWAF 12 8 16 25 18 4 23 40 17 6 17 6 39 6 50 32Ton AM3...

Page 58: ...AJ 8 10 15 8 8 11 15 11 6 11 6 26 2 35 32Ton AM384HXWAJ 11 6 11 6 26 2 35 11 6 11 6 26 2 35 34Ton AM408HXWAJ 8 8 11 15 12 5 15 6 25 11 6 11 6 26 2 35 36Ton AM432HXWAJ 12 5 15 6 25 12 5 15 6 25 11 6 11...

Page 59: ...ingle multi conductor cables If the condition is different from the ones stated please consult an electrical installation expert and re select the power cable If the length of power cable exceed 50 m...

Page 60: ...e protection tube Name Temper grade Applicable conditions Flexible PVC conduit PVC When the protection tube is installed indoor and not exposed to outside because it is embedded in concrete structure...

Page 61: ...2 wires 208 230V MCCB ELB ELCB or MCCB ELB ELCB or f Connect a power cable of the outdoor unit after checking that L N 1 phase 2 wires is properly connected If the power of 208 230V is supplied to the...

Page 62: ...r ELCB MCCB ELB or ELCB 1 phase 2 wires 208 230V MCCB ELB or ELCB Main outdoor unit Sub outdoor unit Communication cable Outdoor unit Indoor unit Communication cable Outdoor unit Outdoor unit f Connec...

Page 63: ...Allowance mm inch 0 3 0 011 0 2 0 007 0 3 0 011 0 2 0 007 0 3 0 011 0 2 0 007 0 5 0 019 0 2 0 007 0 5 0 019 0 2 0 007 0 5 0 019 0 2 0 007 0 5 0 019 0 4 0 015 d1 Standard dimension mm inch 3 4 1 8 4 5...

Page 64: ...and if the terminal is too tight terminal board could get damaged AM038 048 055KXWD L N MCCB ELB or ELCB Protection tube for power cable Conduit field supply Conduit mounting plate Lock nut field sup...

Page 65: ...sheath of the power supply cable be careful not to scratch the inner sheath of the cable t Make sure that more than 20 mm 1 inch of the outer sheath of the indoor unit power and communication cable a...

Page 66: ...cable 2 Fix the power cable and tool by using the hook at the top side of the tool 3 Cut out the outer sheath of the power cable by revolving the tool in the direction of the arrow two or three times...

Page 67: ...e power cable come into contact with the pipes inside the outdoor unit If the power supply cable touches the pipes the vibration of the compressor is transferred to the pipes and can damage the power...

Page 68: ...S T N 1 Cut the power cable to an appropriate length and connect it with the solderless terminal 2 After connecting the power cable to the terminal as seen in the illustration fix it with cable tie 3...

Page 69: ...f Through the cable withdrawing hole penetrate the knock out hole on the side and connect the protection tube for power cable up to the power box When penetrating knock out hole be careful not to dama...

Page 70: ...with the outdoor unit is 16 or less R2 Solution device terminal R1 OF2 Communication cable terminal Outdoor unit Outdoor unit OF1 F2 Communication cable terminal Outdoor unit Indoor unit F1 F1 F2 OF1...

Page 71: ...t the communication cable of the outdoor unit F1 F2 to the communication cable of the MCU F1 F2 t Power cable connection should be done with the solderless ring terminal Indoor unit Indoor unit Indoor...

Page 72: ...grounding work 3 if possible for your safety Note 2 Note 1 About grounding work 3 t Grounding work must be done by an expert with qualification t Check if the grounding resistance is lower than 100 W...

Page 73: ...flow of foreign substances and resist against the internal pressure f Do not remove the core of filling port f Use Nitrogen gas for air tightness test as shown in the illustration AM038 048 055KXWD7 M...

Page 74: ...e pressure drops check for gas leakage If the pressure is changed apply soap water to check for leakage and check the pressure of the nitrogen gas again Maintain 1 0 MPa 145 psi of the pressure before...

Page 75: ...le using a vacuum pump Make sure that check valve is installed to prevent pump oil from flowing into the pipe While the vacuum gauge pressure is less than 100 7 kPa 5Torr perform the vacuum drying for...

Page 76: ...tated in below table Pipe Outer diameter Insulator Cooling Heating Remarks General 30 C 86 F 85 High humidity 30 C 86 F over 85 EPDM NBR mm inch mm inch mm inch Liquid pipe 6 35 9 52 1 4 3 8 9 3 8 9 3...

Page 77: ...ion by 1 grade t When installing the gas side and liquid side pipes leave at least 10 mm 3 8 of space t When the gas side and liquid side pipes are contacting each other increase the thickness of the...

Page 78: ...purchased insulator Wrap the connected part with an insulator separately purchased item that has thickness of at least 10 mm 0 39 inch f Use an insulator that resist heat up to 120 C 248 F Wrap the b...

Page 79: ...pipe and the insulation of the outdoor unit installed on the outside f Separate the cover of the pipe and close it after insulation work Only remove a knock out hole cover where the pipe will be insta...

Page 80: ...lection Collecting refrigerant to a refrigerant container AM038 048 055KXWD Manifold gauge Gas pipe Low pressure Liquid pipe High pressure Refrigerant container Scale k tGzG Tnlv pt lu ki _TW hTWZU GG...

Page 81: ...sure side is over 2 94 MPa 426 psi decrease the number of operating indoor unit 3 Open the manifold gauge that is connected to the liquid side service valve and the valve on the refrigerant container...

Page 82: ...d to the liquid side service valve and add the liquid refrigerant f If you cannot add the whole quantity of the refrigerant while the outdoor unit is stopped open the gas side and liquid side service...

Page 83: ...risk of explosion t Beware for possibility of refrigerant leakage when you connect the manifold gauge to the charging port for heating t Close the valve of the refrigerant container immediately after...

Page 84: ...mmunication address After communication setting usual occasion Transmit Reception address SEG 1 SEG 2 SEG 3 SEG 4 I U A MCU C I U 0 MCU 1 Reception address in decimal number I U Indoor unit Setting ou...

Page 85: ...ress KEY operation Display on 7 Segment 1 time Refrigerant charging in Heating mode 2 times Trial operation in Heating mode 3 times Refrigerant discharging Outdoor unit address 1 4 times Vacuum Outdoo...

Page 86: ...B 87 C 0 8 7 12 times Water temperature C 42 C 4 2 13 times Main EEV step D 2000 2 0 0 14 times ESC EEV step E 300 3 0 0 15 times Current frequency of the compressor F 120Hz 1 2 0 16 times Address of...

Page 87: ...oftheindoorunitwill decrease 0 1 2 5 0 2 2 6 0 3 2 7 0 4 2 9 0 5 3 0 0 6 3 1 0 7 3 2 0 8 3 3 Current restrictionrate Individual 0 3 0 0 100 Factorydefault Whenrestrictionoptionis set coolingandheatin...

Page 88: ...able Channeladdress Main 1 3 A U Automaticsetting Factorydefault Addressforclassifyingthe productfromupperlevel controller DMS S NET3 etc 0 15 Manualsettingforchannel0 15 Disable Main 1 4 0 0 Disable...

Page 89: ...l capacity Off Disable maximum capacity restriction for cooling operation K7 K8 Selecting outdoor unit address On On Outdoor unit address No 1 Main unit On Off Outdoor unit address No 2 Sub unit 1 Off...

Page 90: ...displayed on Seg 4 Seg 1 and Seg 2 will display the number for selected option Seg 3 and Seg 4 will display the number for set value of the selected option 2 If you have entered option setting you can...

Page 91: ...ents shows that tracking mode is in progress setting will be saved Optional item Input unit SEG1 SEG2 SEG3 SEG4 Function of the option Remarks Emergency operation for compressor malfunction Individual...

Page 92: ...is not applicable for this model 0 1 Disable Disable Main 0 7 0 0 Disable This function is not applicable for this model 0 1 Disable 0 2 Disable 0 3 Disable Setting high head condition Main 0 8 0 0 D...

Page 93: ...ode starts when the room temperature reaches desired temperature while operating in heating mode Disable Main 1 1 0 0 Disable This function is not applicable for this model 0 1 Disable Expand operatio...

Page 94: ...ng mode Outdoor unit address 1 K 3 BLANK 1 4 times Pump out in Heating mode Outdoor unit address 2 K 3 BLANK 2 5 times Pump out in Heating mode Outdoor unit address 3 K 3 BLANK 3 6 times Pump out in H...

Page 95: ...2 K E BLANK BLANK 10 Water pipe valve Pump check K F BLANK BLANK 11 Cooling fan Flow control valve check K G BLANK BLANK 12 End key operation During Discharge mode of DC link voltage voltage of INV1...

Page 96: ...ssor 2 9 87 C 0 8 7 10 times CT sensor value Compressor 1 A 2 A 0 2 0 11 times CT sensor value Compressor 2 B 2 A 0 2 0 12 times Suction temperature C 42 C 4 2 13 times COND OUT temperautre D 42 C 4 2...

Page 97: ...Off 0 8 AM096 Off 1 0 AM120 Off 1 2 AM192 Off 2 0 K4 Number of press Press and hold the K4 to enter the setting Displayed content Display on segment page1 page2 1 time Main version MAIN Version ex 141...

Page 98: ...operation Water pipe connection hose Pipe for cleaning Flexible joint absorb vibration Flow switch Mandatory connection From above illustration flow switch mandatory and 2 way solenoid valve optional...

Page 99: ...83 1 18 50 31 50 1 22 1 97 100 51 80 2 0 3 15 220 81 115 3 19 4 53 600 2 Use certified parts for water pipe system and the water pressure of the water pipe system connected to outdoor unit must remain...

Page 100: ...chemical cleaning is necessary When installing water pipes install a heat source water shut off valve and also install the flushing pipe with a ball valves for chemical cleaning on the pipe installed...

Page 101: ...amount increases Connect flow switch wire to the FLOW SW IN terminal regardless of the polarity PUMPOUT 2WAYV V FLOWS W Flowcontrol Water Hub PBA t Pump out 2 way solenoid valve flow switch can be use...

Page 102: ...208 230V AM HXWAF AM KXWD models Bothinternal externalpowercanbeused PUMPOUT 2WAYV V FLOWS W Flowcontrol External power Power source Internal power Water Hub PBA External controller 2 way solenoid val...

Page 103: ...depending on the setting of the outdoor unit option switch Refer to Setting key operation and checking the view mode with tact switch on page 84 97 208 230V AM HXWAF AM KXWD models Bothinternal exter...

Page 104: ...solenoid valve OUT PUMP OUT PUMP F B IN Relay Relay Caution for wiring Internal part of outdoor unit External part of outdoor unit f 2 way solenoid valve is a type that works at AC 208 230V 50 60 Hz a...

Page 105: ...60V AM HXWAJ must use external power Installation example of extra controller such as 2 way solenoid valve and pump etc PUMP 2 way solenoid valve controller PBA Controller Outdoor unit 2Way solenoid v...

Page 106: ...f the contact of flow switch becomes Off even during the operation f When outdoor unit stops cooling water pump will also stop f Even when you are not using the external contact control from DVM outdo...

Page 107: ...nd the phase Single phase 2 wired power supply L and N terminals Check the 220V AM KXWD between wires L N AM KXWD ELB 220V R S T terminal Check the 230V AM HXWAF or 460V AM HXWAJ between wires R S S T...

Page 108: ...them correctly t DId you insulate the pipes and connection part correctly t Is the quantity of the additional refrigerant correctly weighed in You must record the amount of additional refrigerant on...

Page 109: ...as planned stop the operation and take appropriate counter measure t When the outdoor temperature is low turn on the main power 6 hours before beginning the operation If you start the operation immed...

Page 110: ...t part of the control box t Supply power to the outdoor unit 6 hours before auto trial operation to pre heat the crank case heater CAUTION 6 Guaranteed range of auto trial operation For precise judgme...

Page 111: ...HECKER to issue a result report Refer to service manual for further actions if you have any items with inspection required sign on the result report After taking appropriate measure for the items with...

Page 112: ...e of less than 0 C 32 F Main EEV abnormal operation symptoms During heating operation an error occurs when controlling the degree of the superheat on the compressor inlet If there is an operation erro...

Page 113: ...on Analyze cycle data Check replace the abnormal pressure sensor t When the auto trial operation for pressure sensor is executed before the pressure of the outdoor unit is equalized when there is litt...

Page 114: ...nt of refrigerant Normal Excessive Insufficient Judgment not available Judgment not available Connect S Net Pro Judge the amount of refrigerant Judgment on the amount of refrigerant Normal Excessive I...

Page 115: ...e heat exchanger for cleaning or part replacement Therefore to prevent corrosion or water scale on the plate type heat exchanger you must manage the cooling water quality in compliance with standard o...

Page 116: ...However do not use a cleaning solution containing hydrochloric acid sulfuric acid or nitric acid since they are highly corrosive Check if there is valve on the inlet outlet of the plate type heat exch...

Page 117: ...ale or slime may occur Is there rust water Is there any red tides Is the concentration of the antifreeze being maintained Once a year before winter season Internal external part of the cooling tower I...

Page 118: ...h Sulfate ion mg S04 2 L 50 or below 50 or below M alkali level pH 4 8 mg CaCo3 L 50 or below 50 or below Total hardness mg CaCo3 L 70 or below 70 or below Calcium hardness mg CaCo3 L 50 or below 50 o...

Page 119: ...water GPM Model name AM038KXWD AM048KXWD AM055KXWD Standard condition Cooling Heating 10 5 13 2 15 9 Operation range Cooling Heating 6 3 12 7 7 9 15 9 9 5 19 0 0 0 2 1 4 3 6 5 9 8 7 5 10 15 20 Pressur...

Page 120: ...1 60 2 0 0 2 0 4 0 6 0 8 0 10 0 12 0 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 Pressure loss from plate type heat exchanger psi Flowrate of cooling water GPM AM072HXWA AM096HXWA AM120HXWA 0 0 2 0 4 0...

Page 121: ...akage or over certain period of time it may cause due to pipe to freeze and burst 6 Usage condition of the anti freeze when ground heat exchanger is installed mandatory Flash point Flash point of the...

Page 122: ...on date DD MM YY Test Run Date DD MM YY Installer Firm Name Contact InstallTechnician Name Contact Technician Code Inspect Association Firm Name Contact Inspect Supervisor Firm Name Contact Outdoor Un...

Page 123: ...installation Variable Flow ControlValve Optional Type Manufacturer Model Name Installed Direction Horizontal installation This product is irrelevant to any installation or performance problem of the...

Page 124: ...id you remove the stopper nut and washer used to fix the compressor Visually check that the compressor is fixed only with the nut washer Water supply system Is there any leakage on the pipe Visual che...

Page 125: ...LPM Is the contact signal input for flow switch normal Check with clamp meter Check for on off contact when water pipe is on off Is there error display on outdoor unit PCB Check error Is there abnorm...

Page 126: ...k tGzG Tnlv pt lu ki _TW hTWZU GGGXY YWX TW TYXGGG GXaWYaY...

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