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Samsung HXWA Series, Installation Manual

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Samsung HXWA Series Installation Manual Download Page 70

ENGLISH-70

Electrical wiring work

Installing the Solution device

AM038/048/055KXWD

✴

 

F1

Communication cable terminal

(Outdoor unit ~ indoor unit)

F2

 

❋

When connecting the communication cable, use a 
terminal block to fix it.

R1

Solution device 

terminal

R2

R1

R2

Do not connect the power or communication cable here. 

AM

777

HXWAF

7

 / AM

777

HXWAJ

7

 

f

When the number of indoor units installed 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

F

2

OF1

OF

2R

1

R2

 

❋

When connecting the communication cable, use a wire holder to fix it.

f

Location of the interface module

 

❋

To connect old communication type upper level controller, interface module 
must be installed. For detail instruction of installation, refer to the installation 
manual of corresponding interface module.

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Summary of Contents for HXWA Series

Page 1: ...AM 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 TW TYXGGG㝘䟸GXaWYaY ...

Page 2: ...k 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 pipe installation 98 External contact connection 101 Explanation of optional functions 102 Others Things to check after completing the installation 107 Inspection and test operation 109 Automatic refr...

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 improper installation Installer is responsible for any installation related claims from the user occurred by neglecting warnings and cautions stated in this manual Installer will be responsible for any ...

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 fire Also replace the consent if it is loosened When installation is in progress check the following before operating the product f Make sure pipes are properly connected without any leakage f Service ...

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 conditioner according to the user s manual In addition give the installation manual and the user s manual to the customer Before the installation check if the product is in good shape f Do not install th...

Page 6: ...fely 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 vinyl type packaging material to keep it out of reach of children Children may put them over their face which is very dangerous since it may lead to suffocation CAUTION k tGzG Tnlv pt lu ki _TW hTWZU GG...

Page 7: ...oling 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 Btu h 19100 23900 27300 Maximum Btu h 49700 62100 71000 Maximum number of connectable indoor units 6 8 9 Model name for combination Used for both heat pump and heat recovery systems 3 phase 6 ton 8 ...

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 AM264HXWA AM288HXWA AM312HXWA AM336HXWA Number of individual outdoor units 2 2 2 3 Combined outdoor unit AM072HXWA 1 2 AM096HXWA 1 AM120HXWA 1 AM192HXWA 1 1 1 1 Nominal Capacity Cooling Btu h 264000 2...

Page 9: ...HXWA 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 576000 Heating Btu h 513000 540000 567000 648000 Rated Capacity Cooling Btu h 437000 460000 482000 552000 Heating Btu h 489000 515000 541000 618000 Total capacity of the connected indoor units cooling Min...

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 forklift f Carefully insert the forklift forks into the forklift holes at the bottom of the outdoor unit f Be careful with the forklift from damaging the product Forklift When moving the product without wood...

Page 11: ...s 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 sea or hot springs where outdoor unit may corrode t R 410A refrigerant is a safe nontoxic and nonflammable refrigerant However if the place holds any concerns for exceeding dangerous level of refrig...

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 model Single installation When the water pipe passes through top of the product Top view Service space Front side C Space for installing water pipe Over 20 1 Outdoor unit Over350 14 A Over E B Over 3...

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 4 Over 100 4 k tGzG Tnlv pt lu ki _TW hTWZU GGGXZ YWX TW TYXGGG㝘䟸GXaWXa X ...

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 Tnlv pt lu ki _TW hTWZU GGGX YWX TW TYXGGG㝘䟸GXaWXa X ...

Page 15: ...r 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 30 3 545 21 5 600 23 6 1000 39 4 100 4 AM192HXWAF 1100 43 3 545 21 5 600 23 6 1000 39 4 100 4 AM072 096 120HXWAJ 790 31 1 545 21 5 600 23 6 1000 39 4 300 12 AM192HXWAJ 1120 44 1 545 21 5 600 23 6 100...

Page 16: ...n 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 8 AM120HXWA 10 ton a Unit connection 28 58 1 1 8 9 52 3 8 22 22 7 8 No 22 22 7 8 9 52 3 8 Yes Field connection 28 58 1 1 8 12 7 1 2 22 22 7 8 28 58 1 1 8 12 7 1 2 AM192HXWA 16 ton Unit connection 28...

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 and below for 8 rooms MXJ HA3819M Over 240 for 8 rooms Over 70 3 for 8 rooms Y Joint Outdoor unit MXJ TA3819M 461 and below 135 2 and below MXJ TA4422M 478 and over 140 2 and over Y Joint Only H R Out...

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 operation defrost water may form so you must really care about the drainage and waterproofing the floor To prevent defrost water from stagnating or freezing construct a drainage with over 1 50 slope Ic...

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 Models AM038 048 055KXWD AM072 096 120HXWAF AM072 096 120HXWAJ AM192HXWAF AM192HXWAJ A 750 29 5 770 30 3 790 31 3 1100 43 3 1120 44 1 B 636 25 0 648 25 5 976 38 4 C 313 12 3 527 20 8 528 20 8 D 330 13 0 54...

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 4 inch thick f Install self regulating heating cable on the drain pipe to prevent it from freezing f If you have installed a heater to prevent drain pipe from freezing install a safety equipment for a...

Page 21: ...ons 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 ground must be constructed firmly to support the bottom part of the anti vibration mount f After installing the anti vibration frame unscrew the fixing part on the top and bottom part of the frame f If th...

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 flaring Refrigerant machine oil Apply refrigerant oil on flared part Exclusive ether oil ester oil alkali benzene oil or synthetic oil Torque wrench Connect flare nut with pipe Compatible Pipe bender Pi...

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 between an outdoor unit and the farthest indoor unit exceeds 90 m 295 28 ft you must increase the size of the liquid pipe by 1 grade among the pipes main pipe which connects between the outdoor unit to the ...

Page 24: ...Gas pipe mm inch 4 3 Ø9 52 3 8 Ø15 88 5 8 5 4 Ø9 52 3 8 Ø19 05 3 4 6 5 Ø9 52 3 8 Ø19 05 3 4 f Install the refrigerant pipe according to main pipe size of each outdoor unit capacity Pipe installation betweenY joints Indoor unit total capacity kW Btu h 1JQF EJBNFUFS 0t tNN Liquid pipe mm inch Gas pipe mm inch X 15 0 51000 Ø9 52 3 8 Ø15 88 5 8 15 0 51000 X 23 2 79000 Ø19 05 3 4 k tGzG Tnlv pt lu ki _...

Page 25: ...M055KXWD 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 an indoor unit 1 The amount of additional refrigerant depending on the pipe size ⓐ Amount of additional refrigerant has to be calculated based on the sum of all liquid pipe length Size of liquid pipe mm inch...

Page 26: ...2 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 68 1 50 Wallmounted AM FNTDC AM HNQDC 0 24 0 53 0 24 0 53 0 24 0 53 0 36 0 79 0 36 0 79 0 36 0 79 Ceiling AM FNCDC AM JNCDC 0 39 0 86 0 39 0 86 0 56 1 23 0 95 2 09 V AHU AM JNZDC 0 33 0 73 0 50 1 10 0...

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 note4 26 312 91 4 19 05 3 4 34 92 1 3 8 22 22 7 8 38 1 note4 1 1 2 note4 28 336 98 4 19 05 3 4 34 92 1 3 8 22 22 7 8 38 1 note4 1 1 2 note4 30 360 105 5 19 05 3 4 41 28 1 5 8 22 22 7 8 41 28 1 5 8 32 38...

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 2 169 0 19 05 3 4 41 28 1 5 8 22 22 7 8 53 98 2 1 8 577 169 0 22 22 7 8 53 98 2 1 8 25 40 note1 1 note1 53 98 2 1 8 Note1 If 1 25 40 pipe is not available on site use 1 1 8 28 58 pipe Note2 If 1 1 4 31 ...

Page 29: ...Over 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 E MXJ YA1509M 51 and below 15 0 and below MXJ YA2512M Over 51 136 and below Over 15 0 40 0 and below MXJ YA2812M Over 136 154 and below Over 40 0 45 0 and below MXJ YA2815M Over 154 240 and below Ove...

Page 30: ...63 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 22 7 8 34 92 1 3 8 28 58 1 1 8 24 288 84 4 19 05 3 4 34 92 1 3 8 28 58 1 1 8 22 22 7 8 34 92 1 3 8 28 58 1 1 8 26 312 91 4 19 05 3 4 34 92 1 3 8 28 58 1 1 8 22 22 7 8 34 92 1 3 8 28 58 1 1 8 28 336 ...

Page 31: ...15 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 5 135 2 19 05 3 4 41 28 1 5 8 34 92 1 3 8 461 577 135 2 169 0 19 05 3 4 41 28 1 5 8 34 92 1 3 8 577 169 0 22 22 7 8 53 98 2 1 8 41 28 1 5 8 Size of the pipe between MCU and indoor unit F Select a pip...

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 461 Over 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 t Y joint Classification Model name Specification MBH kW Y j...

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 3 8 18 m 59 1 3 8 18 m 59 1 3 8 25 m 82 0 3 8 15 m 49 2 3 8 10 m 32 8 MCU MCU 3 8 2 m 6 6 12 MBH 24 MBH 38 MBH 24 MBH 38 MBH 24 MBH 24 MBH 24 MBH 1 4 15 m 49 2 216 MBH 18Ton 8Ton 10Ton k tGzG Tnlv pt...

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 cassette AM FNNDC 0 29 0 64 0 29 0 64 0 37 0 82 0 37 0 82 4way cassette AM FN4DC 0 45 0 99 0 45 0 99 0 45 0 99 0 45 0 99 0 69 1 52 0 69 1 52 0 69 1 52 Slim duct AM FNLDC 0 35 0 77 0 35 0 77 0 35 0 7...

Page 35: ...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 indoor unit Number of units Unit amount of refrigerant kg EA lb EA Amount of additional refrigerant kg lb Total amount of additional refrigerant kg lb Indoor unit ⓑ 4way cassette AM018FN4DCH 4 0 45...

Page 36: ...ickness 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 0 035 Drawn 22 22 7 8 0 90 0 035 25 40 1 1 00 0 039 28 58 1 1 8 1 10 0 043 31 75 1 1 4 1 10 0 043 34 92 1 3 8 1 21 0 048 38 10 1 1 2 1 35 0 053 41 28 1 5 8 1 43 0 056 44 45 1 3 4 1 60 0 063 50 80 2 2 ...

Page 37: ...n 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 damage of the important parts such as compressor and valves etc f Adjust the flow rate of the nitrogen flushing with a pressure regulator to maintain 0 05 m3 h 0 54 ft2 h or less Welding part Nitrogen g...

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 0 06 1 5 2 0 0 06 0 08 12 70 1 2 0 0 5 0 0 02 1 0 1 5 0 04 0 06 1 5 2 0 0 06 0 08 15 88 5 8 0 0 5 0 0 02 1 0 1 5 0 04 0 06 1 5 2 0 0 06 0 08 5 Check that you flared the pipe correctly f Refer to belo...

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 2 60 5 19 3 19 7 0 76 0 78 t Blowing Nitrogen gas should be done when welding the pipe t Make sure to use the provided flare nut t Make sure that there are no cracks or twisted part when you need to ...

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 outdoor units Classification H P system HR system AM038 048 055KXWD AM072 096 120 192HXWA Service valve Liquid pipe high pressure Gas pipe low pressure Liquid pipe High pressure gas pipe Not in use L...

Page 41: ...dripping 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 product If they contact each other or contact with the outdoor unit vibration will occur and it may cause damage to the pipes t When removing the sealed pipe on the bottom side of the service valve cut it ...

Page 42: ...distribution 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 Caution Correct installation Incorrect installation When refrigerant pipe is installed at higher level than the pipe connection part of the outdoor unit you must install a trap at the gas pipe 200 mm 8...

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 2 m 6 56 ft or more k tGzG Tnlv pt lu ki _TW hTWZU GGG Z YWX TW TYXGGG㝘䟸GXaWXa W ...

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 hTWZU GGG YWX TW TYXGGG㝘䟸GXaWXa Z ...

Page 45: ...est 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 The sum of the total length of pipes should be less then 200 m 656 Maximum allowable height Outdoor unit Indoor units Height H1 The difference of height between an outdoor unit and indoor unit 30 m ...

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 joint g Outdoor unit Header joint Indoor unit Connection byY joint header joint H2 H1 f c g Outdoor unit Indoor unit Header joint Y joint k tGzG Tnlv pt lu ki _TW hTWZU GGG YWX TW TYXGGG㝘䟸GXaWXa ...

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 indoor unit 40 m 131 Ex b c f g 40 m 131 The distance between the firstY joint and the farthest indoor unit 40 m 131 Ex 8 indoor units b c d g 40 m 131 H P AM072 096 120 144HXWA Classification Single...

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 allowable height difference Outdoor unit Indoor unit 50 40 m 164 131 Note 2 H1 50 40 m 164 131 Indoor unit Indoor unit 15 m 49 or less H2 15 m 49 Maximum allowable length after branch joint First bran...

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 to the farthest indoor unit and nearest indoor unit 45 m 148 a b c d e f g p a h 45 m 148 Note 2 When indoor unit is located at higher level than outdoor unit allowable height difference is 40 m 131 ...

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 First branch joint Farthest Indoor unit Pipe length 45 m 148 or less Installing only with MCU g 45 m 148 Installing with MCU andY joint g m 45 m 148 Distribution kit Model Remarks Allowable From distribut...

Page 51: ...hin 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 connecting branch joint Install within 15 of the horizon or vertical line Minimum straight line over 500 mm 20 inch Pipe Main pipe Connect to indoor unit Pipe Before branching After branching After branchi...

Page 52: ...iquid 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 provided socket according to the diameter of the connection pipe before connecting it Over 10 15 mm 0 39 0 59 inch NOTE t Connect the indoor units in order while following the direction of the arrow sh...

Page 53: ...ribution 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 Horizon line Below 10 Horizon line Gas side k tGzG Tnlv pt lu ki _TW hTWZU GGG Z YWX TW TYXGGG㝘䟸GXaWXa _ ...

Page 54: ...iquid 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 or outdoor unit Connect to other branch joint between outdoor units or main pipe branch joint t Cut the connection part of the outdoor unit connection pipe or the provided socket according to the dia...

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 cooling In case of continuous cooling at below 5 C 23 F ambient condition join two ports in the MCU with offeredY connector then connect to indoor unit even though unit s capacity is between 18 MBH and 36 M...

Page 56: ...on 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 installation that is provided with the product When welding the high low pressure gas pipe protect the product with the flame proof sheet k tGzG Tnlv pt lu ki _TW hTWZU GGG YWX TW TYXGGG㝘䟸GXaWXa ...

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 AM384HXWAF 17 6 17 6 39 6 50 17 6 17 6 39 6 50 34Ton AM408HXWAF 18 4 23 40 24 30 50 17 6 17 6 39 6 50 36Ton AM432HXWAF 24 30 50 24 30 50 17 6 17 6 39 6 50 38Ton AM456HXWAF 12 8 16 25 17 6 17 6 39 6 50 17...

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 6 26 2 35 38Ton AM456HXWAJ 8 10 15 11 6 11 6 26 2 35 11 6 11 6 26 2 35 40Ton AM480HXWAJ 8 8 11 15 11 6 11 6 26 2 35 11 6 11 6 26 2 35 42Ton AM504HXWAJ 12 5 15 6 25 11 6 11 6 26 2 35 11 6 11 6 26 2 35...

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 164 04 ft re select the power cable considering the voltage drop t Use a power cable made out of incombustible material for the insulator inner cover and the sheath outer cover t Do not use the power ...

Page 60: ...he 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 Class 1 flexible conduit Galvanized steel sheet When the protection tube is installed indoor but exposed to outside so there are risk of damage to the protection tube Class 2 flexible conduit Galvani...

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 N phase PCB and other electrical parts will be damaged f Communication cable between indoor units has no polarity f Arrange the cables with a cable tie ELCB and ELB must be installed since there is ...

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 Connect a power cable of the outdoor unit after checking that R S T 3 phase 3 wire is properly connected f Communication cable between indoor and outdoor units and communication cable between outdoor units ...

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 3 16 5 8 1 4 7 7 5 16 9 4 3 8 11 4 7 16 13 3 1 2 Allowance mm inch 0 2 0 007 0 2 0 007 0 2 0 007 0 2 0 007 0 2 0 007 0 3 0 011 0 4 0 015 E Min mm inch 6 1 4 7 9 5 16 9 5 5 16 11 3 8 12 5 1 2 17 5 11 1...

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 supply 1 phase 2 wires 208 230V Extermal Contact Signal Communication cable between Indoor units Extermal Power Supply Screw Tightening torque for terminal Remarks N m lbf ft M4 1 2 1 8 0 9 1 3 Communica...

Page 65: ...r 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 are inside the electrical component box t Install the communication cable separately from power cable and other communication cables Screw Tightening torque for terminal Remarks N m lbf ft M4 1 2 1 8 ...

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 4 At this situation cut out the outer sheath of the power cable by moving the tool toward the direction of the arrow 5 Slightly bend the wire and pull out the cut part of the outer sheath k tGzG Tnlv...

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 supply cables or pipes creating the danger of fire or explosion t Make sure that the place where the sheath of power supply cable is removed is inside the power supply box If it is impossible you shou...

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 Fix the housing which has an insulator to the terminal board k tGzG Tnlv pt lu ki _TW hTWZU GGG _ YWX TW TYXGGG㝘䟸GXaWYaW ...

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 damage the heat exchanger pipe or temperature sensor Be sure that the power supply cable is not damaged by burr on the knock out hole AM038 048 055KXWD AM HXWAF AM HXWAJ L N R S T N k tGzG Tnlv pt lu ki _...

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 OF2 R1 R2 When connecting the communication cable use a wire holder to fix it f Location of the interface module To connect old communication type upper level controller interface module must be inst...

Page 71: ...ct 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 unit Indoor unit Indoor unit Indoor unit MCU MCU Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit Indoor unit MCU MCU t When installing the MCU communication cable can be connected as sho...

Page 72: ...unding 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 Ω When installing a earth leakage breaker that can cut the electric circuit within 0 5 second in case of a short circuit allowable grounding resistance should be 30 500 Ω Note 2 Grounding at dry place t Th...

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 Manifold gauge Gas pipe Low pressure Liquid pipe High pressure Nitrogen gas k tGzG Tnlv pt lu ki _TW hTWZU GGG Z YWX TW TYXGGG㝘䟸GXaWYaW ...

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 performing vacuum drying and check for further gas leakage After checking the first gas leakage maintain 1 0 MPa 145 psi to check for further gas leakage t Perform a Nitrogen gas leak test with the s...

Page 75: ...ule 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 more than 1 hour and close the valve Vacuum pressure must be checked with the vacuum gauge After vacuum pump stops check whether the pressure is maintained within 100 7 kPa 5Torr for an hour Charge ...

Page 76: ...stated 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 8 Heating resisting temperature over 120 C 248 F 12 7 50 8 1 2 2 13 1 2 13 1 2 Gas pipe 6 35 1 4 13 1 2 19 3 4 9 52 25 4 3 8 1 19 3 4 25 1 28 58 44 45 1 1 8 1 3 4 19 3 4 32 1 1 4 50 8 2 25 1 38 1 1 ...

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 insulation by 1 grade Gas pipe Liquid pipe Insulator Insulator Gas pipe 10 mm 3 8 10 mm 3 8 10 mm 3 8 Liquid pipe t Install the insulation without any gaps or cracks and use adhesive on the connection...

Page 78: ...y 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 branch joint with an insulation that has thickness of at least 10 mm 0 39 inch Fix securely without any gap Provided Insulator Fix securely without any gap Pipe insulator Separately purchased item Pip...

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 installed If the knock out hole is open unnecessarily it must be closed If not small animals such as squirrels and rats may get into the unit through the hole and the unit may be damaged H P AM038 048 055...

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 GGG_W YWX TW TYXGGG㝘䟸GXaWYaXZ ...

Page 81: ...ssure 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 to collect refrigerant Manifold gauge Refrigerant container Scale Filling port High pressure gas pipe Low pressure gas pipe Liquid pipe Flare installation t Refrigerant must be collected prior to pum...

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 valve Then add remaining refrigerant by pressing the refrigerant adding button of the outdoor PCB f If you use the refrigerant charging function from the PCB outdoor unit will operate and charge the r...

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 charging the refrigerant If not there might be a change in entire amount of refrigerant CAUTION Using service valve for gas f After charging the refrigerant close all caps as shown in the illustration...

Page 84: ...ommunication 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 outdoor unit option switch and key function Setting outdoor unit option switches Small chassis AM038 048 055KXWD 1 PBA shape 7 SEGMENT DISPLAY Do not connect the power or communication cable to these t...

Page 85: ...press 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 Outdoor unit address 1 5 times End KEY operation Press and hold Auto inspection operation KEY setting K2 Number of press KEY operation Display on 7 Segment 1 time Refrigerant charging in Cooling mode 2 tim...

Page 86: ...r B 87 Cĺ 0 8 7 12 times Water temperature C 42 C ĺ 4 2 13 times Main EEV step D 2000 ĺ 2 0 0 14 times ESC EEV step E 300 ĺ 3 0 0 15 times Current frequency of the compressor F 120Hz ĺ 1 2 0 16 times Address of master indoor unit G When master indoor unit is not set ĺ BLANK N D When indoor unit No 1 is set as master indoor unit ĺ 0 0 1 17 times Temperature of control box H 42 C ĺ 4 2 Press K4 for ...

Page 87: ...e 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 coolingandheating performancemaydecrease 0 1 95 0 2 90 0 3 85 0 4 80 0 5 75 0 6 70 0 7 65 0 8 60 0 9 55 1 0 50 1 1 Disable Oilcollection interval Main 0 4 0 0 Factorydefault 0 1 Shortentheintervalby1 2 Disable Main ...

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 Thisfunctionisnotapplicable forthismodel 0 1 Disable Circulationwater flowcontrol Main 1 5 0 0 Disable Factorydefault Whenvariableflowcontrol valveisapplied 0 1 7 10V 0 2 5 10V 0 3 3 10V Forcedquiet m...

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 On Outdoor unit address No 3 Sub unit 2 Off Off Outdoor unit address No 4 Sub unit 3 SW57 Setting total number of connected MCU Setting can be done from main unit only Ex When 3 MCUs are installed SW...

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 shortly press the K1 switch to adjust the value of the Seg 1 Seg 2 and select the desired option Refer to pages 84 97 for the Seg number of the function for each option Example Z 3 If you have select...

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 0 0 0 0 Disabled Factory default E560 will occur when all the compressors are set as malfunction state 0 1 Set compressor 1 as malfunction state 0 2 Set compressor 2 as malfunction state Cooling capa...

Page 92: ...n 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 Disable Factory default 0 1 Level 1 of height difference type 1 Indoor unit is lower than outdoor unit When outdoor unit is over 40 80 m 131 263 above the indoor unit 0 2 Level 2 of height difference ...

Page 93: ...mode 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 operational temperature range for cooling operation Main 1 2 0 0 Disable 0 1 Enable Channel address Main 1 3 A U Automatic setting Factory default Address for classifying the product from upper level control...

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 Heating mode Outdoor unit address 4 K 3 BLANK 4 7 times Vacuumig Outdoor unit address 1 K 4 BLANK 1 8 times Vacuumig Outdoor unit address 2 K 4 BLANK 2 9 times Vacuumig Outdoor unit address 3 K 4 BLANK...

Page 95: ...r 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 and INV2 will be displayed alternately Even when the outdoor unit power is off it is dangerous when you come in contact with inverter PCB and fan PCB since they are charged with high DC voltage When ...

Page 96: ...essor 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 14 times Temperature of liquid pipe E 42 C 4 2 15 times TOP temperature Compressor 1 F 42 C 4 2 16 times TOP temperature Compressor 2 G 42 C 4 2 17 times Water temperature H 42 C 4 2 18 times EVI in...

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 1412 2 times Hub version HUB Version ex 1412 3 times Water hub version HUB2 Version ex 1412 4 times Inverter 1 version INV1 Version ex 1412 5 times Inverter 2 version INV2 Version ex 1412 6 times EEP ver...

Page 98: ...t 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 must be at least equivalent to the specification recommended by our company and they should be installed horizontally When water pipe circuit freezes it will cause damage to the plate type heat exch...

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 under 1 96 MPa 285 psi 3 Outdoor unit water pipes must be equipped with valves and other instrumentations as shown in the figure on the previous page Strainer and flow switch must be installed withi...

Page 100: ...r 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 between the shut off valve and the outdoor unit Outdoor unit Ball valve used as cleaning hole Cleaning device Auto air discharge valve Strainer for pump Strainer for outdoor unit Water inlet pipe Wa...

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 used individually or together t For installation location of the 2 way solenoid valve and flow switch Refer to Water pipe diagram on page 98 CAUTION Pump out connection f When the main pump is installed ...

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 valve Connect the 2 way solenoid valve cable to the 2 way valve terminal regardless of the polarity However Use external power if the load of solenoid valve is maximum 250V and current over 0 2 A 460V AM...

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 externalpowercanbeused PUMPOUT 2WAYV V FLOWS W Flowcontrol External power Power source Use internal power Water Hub PBA When valve load is over 0 2 A use external power Variable flow control valve 460V AM ...

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 and supports product with 0 2 A or low For 2 way solenoid valve with over 0 2 A connect external power For external power cable for 2 way solenoid valve must use 600V flame resisting double layered cab...

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 valve Flow switch AC 208 230V AC 208 230V 2 way solenoid valve OUT PUMP OUT PUMP F B IN Relay Relay Caution for wiring PUMP AC 208 230V 2 way solenoid valve Pump controller 2 way solenoid valve Pump co...

Page 106: ...if 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 outdoor unit you may use other external control methods such as DDC PLC or BMS and apply above flow chart Also apply control for freezing prevention of the water circulation during winter season f If you ...

Page 107: ...and 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 T R T S R AM HXWAF ELB 230V 230V 230V T S R ELB AM HXWAJ 460V 460V 460V t Never measure the communication terminal since communication circuit may get damaged t Check for short circuit of the commun...

Page 108: ...d 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 the service record paper placed inside of the outdoor unit Drain pipe work t Have you checked if the drain pipes of the indoor and outdoor unit are connected together t Have you completed the drain t...

Page 109: ...t 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 immediately after turning on the main power it may cause serious damage to the part within the product t Do not touch the refrigerant pipe during or right after the operation Refrigerant pipe may be hot o...

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 judgment you must perform auto trial operation in below indoor outdoor temperature condition 50 122 40 104 30 86 20 68 10 50 0 32 10 14 20 4 5 41 10 50 15 59 20 68 25 77 30 86 35 95 40 104 45 113 Indoor tem...

Page 111: ...CHECKER 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 inspection required sign run the auto trial operation again 4 Check the following items by running trial operation cooling heating Check if cooling heating operation performs normally Individual ind...

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 error whilst the EEV is fully open the target degree of superheat 1 C 33 8 F cannot be achieved below 0 C 32 F and the discharge temperature of the compressor is low If there is and operation error whilst...

Page 113: ...ion 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 little difference between high and low pressure error may occur even though the product is normal t If the pressure sensor needs to be detected all outdoor units will display the error t If the pressure ...

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 Insufficient Satisfy the temperature condition Satisfy the temperature condition Check the amount of refrigerant Input S CHECKER signal Check stability Check stability End Yes No No Yes k tGzG Tnlv pt ...

Page 115: ...te 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 of cooling water Refer to page 118 If the temperature of water is higher than room temperature make sure to keep the concentration of chloride ion below 100 ppm to prevent corrosion and the water hard...

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 exchanger Connect a exclusive pipe for cleaning to the inlet outlet pipe of the plate type heat exchanger and fill the detergent at the temperature of 50 60 C 122 140 F and circulate the detergent for abo...

Page 117: ...cale 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 Is there any water scale or slime Once a month Corrosion water scale or slime may occur Is there any signs of corrosion on the metal part Is there any water plant Heat source water device Have you set...

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 or below Ionized silica mg SiO2 L 30 or below 30 or below Reference Iron mg Fe L 1 0 or below 0 3 or below Once a month Copper mg Cu L 1 0 or below 1 0 or below Sulfate ion mg S2 L Not to be detected N...

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 Pressure loss from place type heat exchanger psi Flowrate of cooling water GPM AM038KXWD 0 1 2 4 3 5 6 7 8 9 10 0 5 10 15 20 25 Pressure loss from place type heat exchanger psi Flowrate of cooling water GPM...

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 6 0 8 0 10 0 12 0 14 0 16 0 18 0 20 0 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 Pressure loss from plate type heat exchanger psi Flowrate of cooling water GPM AM192HXWA k tGzG Tnlv pt lu ki _T...

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 anti freeze must be over 90 C 194 F Biochemical oxygen demand Amount of oxygen in 1 g of anti freeze at 10 C must be within 0 1 0 2 g and this value must be maintained for 5 days Freezing point Mainta...

Page 122: ...ion 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 Unit Model Serial Number Note Installation Place of Indoor unit Indoor Unit Model Address RMC k tGzG Tnlv pt lu ki _TW hTWZU GGGXYY YWX TW TYXGGG㝘䟸GXaWYaY ...

Page 123: ...izontal 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 cooling tower and boiler This installation specification of the Samsung products will be managed as a reference for follow up management This product must be installed by the installation exper...

Page 124: ...Did 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 check Check if the temperature and pressure sensor is installed on the inlet outlet of the outdoor unit Visual check 4 in total Notify the water pipe installer if they are not installed Check if the shu...

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 abnormal vibration or noise on outdoor unit cabinet Visual check Indoor unit Is there abnormal operation noise on indoor unit Check for abnormal noise Is the cooling heating discharge temperature of indoor ...

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

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