Samsung AM FXMDCH Series Installation Manual Download Page 38

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Setting outdoor unit option switch and key function

S/W function

Tact switch

Heating KEY operation

Cooling KEY operation

Reset

View Mode

DIP switch

Manual silent option

Snow prevention

Cooling target

evaporating

temperature

Cooling target

evaporating

temperature

Silent mode

Heating capacity

correction

Heating capacity

correction

K10

K11

K12

Total electric current

option

Total electric current

option

Defrost correction

K13

K14

K15

K16

DIP S/W specification setting

TACT

switch

Number of

presses

Content

SEG1

SEG2

SEG3

SEG4

Remark

Press and

hold 1 time

Check operation

Heating refrigerant charging

Heating trial operation

Heating pump out

Vacuum

Completion

Cooling refrigerant charging

Cooling trial operation

Cooling pump down

Checking the amount of

refrigerant

Completion

Reset

❋

If you perform Cooling refrigerant charging or Cooling pump down in high temperature environment, E407 (High
pressure protection control) error or high pressure protection switch may operate .

DVM S Eco_IM_03408A-05_EN.indd 38

2016-11-11 오후 1:27:58

Summary of Contents for AM FXMDCH Series

Page 1: ...AM FXMDCH Series Air Conditioner installation manual imagine the possibilities Thank you for purchasing this Samsung product DVM S Eco_IM_03408A 05_EN indd 51 2016 11 11 오후 1 28 01 ...

Page 2: ...n outdoor unit 10 Refrigerant pipe installation 12 Wiring work 31 Grounding work 36 Setting outdoor unit option switch and key function 37 Pump Down 42 Checking lists after finishing installation 44 Inspection and check operation 45 Automatic refrigerant amount detection function Checking th amount of refrigerant 47 Trial operation 48 DVM S Eco_IM_03408A 05_EN indd 2 2016 11 11 오후 1 27 47 ...

Page 3: ... X X Do not use the units if damaged If problems occur switch the unit off and disconnect it from the power supply X X In order to prevent electric shocks fires or injuries always stop the unit disable the protection switch and contact SAMSUNG s technical support if the unit produces smoke if the power cable is hot or damaged or if the unit is very noisy X X Always remember to inspect the unit ele...

Page 4: ...ccess and repair the units in SAFETY CONDITIONS as set out in prevailing regulations with harnesses ladders scaffolding or any other elevation system will NOT be considered part of the warranty and will be charged to the end customer Power supply line fuse or circuit breaker X X Always make sure that the power supply is compliant with current safety standards Always install the air conditioner in ...

Page 5: ...unit the capacity of each indoor unit is reduced below the rated capacity Therefore keeping the combination of indoor units within the capacity of an outdoor unit is recommended Outdoor unit Outdoor unit capacity HP Ton The maximum number of connectable indoor units Total capacity of the connected indoor units kW MBH AM036FXMDCH 4 3 6 5 6 14 5 19 49 AM048FXMDCH 5 4 8 7 0 18 2 24 62 AM053FXMDCH 6 5...

Page 6: ...t leak X X Choose a place where the unit could not come into contact with snow and rain X X When installing the outdoor unit near sea shore make sure it is not directly exposed to sea breeze When installing the outdoor unit near sea shore consult the qualified installer since the places above require additional measures for corrosion resistance You should remove salt and dust of a heat exchanger a...

Page 7: ...all railing around the outdoor unit to prevent it falling when the unit is installed on a high place such as the roof of the building Avoid installing the units in places near an exhaust pipe and ventilating opening exposed to corrosive gas oxides of sulfur ammonia gas or sulfur gas herbicides These places need additional anticorrosive treatments Please contact manufacture to avoid corroding coppe...

Page 8: ... Air flow direction When installing 1 outdoor unit Unit mm inch When the air outlet is opposite the wall When the air outlet is toward the wall 300 12 or more 1500 60 or more When 3 sides of the outdoor unit are blocked by the wall The upper part of the outdoor unit is blocked and the air outlet is toward the wall 300 12 or more 150 6 or more 600 24 or more 1500 60 or more 2000 80 or more The uppe...

Page 9: ...00 12 or more 1500 60 or more 600 24 or more 600 24 or more When front and rear side of the outdoor unit is toward the wall 1500 60 or more 600 24 or more 3000 120 or more 300 12 or more 3000 120 or more Should adopt bar type louver Don t use a type of rain resistance louver Bar type louver Rain resistance louver Louver specifications Angle criteria less than 20 Opening ratio criteria greater than...

Page 10: ...stall the outdoor unit 150mm 6 inch higher than the base ground and install the drain hole to connect the pipe to the drainage X X When the front fan of an outdoor unit is installed in a place where the average snowfall is more than 150mm 6inch the discharge duct should be attached to the outdoor unit X X The concrete foundation should be 1 5 times larger than bottom of the outdoor unit X X It is ...

Page 11: ...the four screws on the cover top of the outdoor unit Wind wires round the four screws and fasten the screws again Fix the wires to the ground If the outdoor unit is not fixed securely product may fall and it might cause loss of life or property damage Do not install the outdoor unit on a wood palette Fix the outdoor unit securely to the base ground with anchor bolts The manufacturer is not respons...

Page 12: ... high It may cause explosion and injury WARNING Tool Work If compatible with conventional tool Pipe cutter Refrigerant pipe work Pipe cutting Compatible Flaring tool Pipe flaring Refrigerant 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 Pст ipe bender Pipe bending Nitrogen gas Air tigh...

Page 13: ...h 4 3 Ø9 52 3 8 Ø15 88 5 8 Ø19 05 3 4 5 4 Ø9 52 3 8 Ø15 88 5 8 Ø19 05 3 4 6 5 Ø9 52 3 8 Ø19 05 3 4 Ø22 23 7 8 X X Install the refrigerant pipe according to main pipe size of each outdoor unit capacity X X When the pipe length between an outdoor unit and the farthest indoor unit including elbow exceeds 90m 295ft the gas pipe size should be upgraded one step among the main pipes from the outdoor uni...

Page 14: ...tside exposure Longer than one month Pipe pinch Shorter than one month Taping Inside exposure Taping Refrigerant pipe brazing and safety information Important information for refrigerant pipe work X X Make sure that there is no moisture inside the pipe X X Make sure that there are no foreign materials and impurities in the pipe X X Make sure that there is no leak X X Make sure to follow the instru...

Page 15: ...ork using flaring tool as shown below A Flaring bar Pipe York Flaring bar Pipe Flare nut Clutch type Wing nut type Flaring tool Pipe diameter mm inch A mm inch Flare tool for R 410A clutch type Conventional flare tool Clutch type Wing nut type Ø6 35 1 4 0 0 5 0 0 776 1 0 1 5 0 039 0 059 1 5 2 0 0 059 0 079 Ø9 52 3 8 0 0 5 0 0 776 1 0 1 5 0 039 0 059 1 5 2 0 0 059 0 079 Ø12 70 1 2 0 0 5 0 0 776 1 0...

Page 16: ...on L mm inch Flare shape mm inch kgf cm N m Ø6 35 1 4 140 180 14 18 8 70 9 10 0 343 0 358 D L R 0 4 0 8 0 016 0 032 90 2 45 2 Ø9 52 3 8 350 430 34 42 12 80 13 20 0 504 0 520 Ø12 70 1 2 500 620 49 61 16 20 16 60 0 638 0 654 Ø15 88 5 8 690 830 68 82 19 30 19 70 0 760 0 776 Blowing Nitrogen gas should be done when brazing the pipe Make sure to use the provided flare nut Make sure that there are no cr...

Page 17: ...ve may get damaged by a brazing fire Wrap the bottom side of the service valve with a wet cloth and braze it as shown above Make sure not to interrupt the brazing with the drips from the wet cloth The connecting pipes of liquid side and gas side should not contact each other nor should they contact to the product Vibration may cause damage to the pipes CAUTION High pressure Liquid side Low pressur...

Page 18: ... joint Using aY joint EEV kit Using a header joint Using a header joint Y joint Allowable length of the refrigerant pipe and the installation examples Connection byY joint Outdoor unit Connection byY joint EEV kit Outdoor unit DVM S Eco_IM_03408A 05_EN indd 18 2016 11 11 오후 1 27 51 ...

Page 19: ...of height between an outdoor unit and indoor unit 50m 164 Height H2 The difference of height between indoor units 15m 49 Maximum allowable length afterY joint Actual Length The distance between the firstY joint and the farthest indoor unit 40m 131 Ex 8 indoor units b c d e f g p 40m 131 Allowable length between EEV kit and an indoor unit 20m 65 Ex h l j 20m 65 EEV Kit Model name Remarks EEV Kit In...

Page 20: ... a from the outdoor unit to the firstY joint should be less than 110m 361 Total length The sum of total length of pipes should be less then 300m 984 Maximum allowable height Outdoor unit Indoor units Height H1 The difference in height between an outdoor unit and indoor unit 50m 164 Height H2 The difference in height between indoor units 15m 49 Maximum allowable length afterY joint Actual Length Th...

Page 21: ...0 59 inch or more NOTE Install theY joint within 15 on the horizontal or on the vertical Make sure that the pipe does not break atY joint and pipe connection Keep a minimum straight line distance of 500mm 20 inch or more before connectingY joint 15 Install theY joint within 15 on the horizontal or on the vertical Minimum straight line distance 500mm 20 inch or more Main pipe Connect to outdoor uni...

Page 22: ...lect the reducer fitted on the diameter of the pipe Liquid side Gas side Reducer Pipe Purchased privately To indoor unit Pipe Purchased privately Reducer To outdoor unit Supplied Reducer Pipe Purchased privately To indoor unit Pipe Purchased privately Reducer To outdoor unit X X Block the unused pipes end with caps if the number of connected indoor unit is fewer than header joint ports Liquid side...

Page 23: ...f the indoor unit Connect the indoor unit as the highest capacity comes first 10 15mm 0 39 0 59 inch or more CAUTION X X Install the header joint horizontally Install the header joint horizontally so that it is not facing down Liquid side 10 or less Should be horizontal Reducer Header joint Pipe 15 or less Should be horizontal Should be horizontal Gas side 15 or less Should be horizontal 10 or les...

Page 24: ...essure drops After applying Nitrogen gas check the change of pressure using pressure regulator If the pressure drops check if there is a gas leak If the pressure is changed apply soapy water to check the leak Check the pressure of the gas again Maintain 1 0 MPa gauge pressure 145 psig of the pressure before performing vacuum drying and check for further gas leak After checking first gas leak maint...

Page 25: ...for more than 2 hours and 30 minutes The time of vacuum drying may differ depending on the length of the pipe or outdoor temperature Perform vacuum drying for at least 2 hours and 30 minutes Close the valve after checking the vacuum gauge pressure has reached at 100 7 kPa gauge pressure 5 torr Check the vacuum pressure using the vacuum gauge Check whether the pressure is maintained as 100 7 kPa ga...

Page 26: ... b c d Ø 9 52 15m 49 21 e f g Ø 6 35 15m 49 21 The amount of additional refrigerant 55m 180 45 x 60g 15m 49 21 x 20g 3600g 2 The amount of additional refrigerant for each indoor unit Unit kg lb Capacity kBtu Model 6 7 5 9 9 5 12 15 18 20 24 27 30 36 48 54 1way cassette AM FN1DC AA 0 25 0 55 0 25 0 55 0 25 0 55 Mini 4way cassette S 600x600 AM FNNDC AA 0 37 0 82 0 37 0 82 0 37 0 82 0 37 0 82 4way ca...

Page 27: ...he outdoor unit When using the air conditioner in the heating mode ice may accumulate During de icing defrost operation the condensed water must be drained off safely Consequently you must install a drain hose on the outdoor unit following the instructions below X X Leave space of more than 50mm 1 97 inch between the bottom of the outdoor unit and the ground for installation of the drain hose as s...

Page 28: ...ration grade g m 24h 15 or less Formaldehyde dispersion mg L Oxygen rate 25 or more Selecting the insulation of refrigerant pipe X X Insulate the gas pipe and liquid pipe by referring to the thickness of insulator for each pipe size X X The standard condition is 30 C 86 F with humidity less than 85 In the conditions of high humidity use one grade thicker Pipe Pipe size mm inch Insulation Cooling H...

Page 29: ...stalling the gas side and liquid side pipes leave 10mm 3 8 inch of space When contacting the gas side and liquid side pipe use thicker insulation Insulation Gas pipe Liquid pipe Insulation Gas pipe 10mm 3 8 Liquid pipe 10mm 3 8 10mm 3 8 Install the insulation not to be get wider and use adhesive on the connection part of it to prevent moisture entering Bind the refrigerant pipe with insulation tap...

Page 30: ...t to the insulation purchased privately without a gap Wrap the connected part with insulation Purchased privately of a thickness of at least 10mm 3 8 X X Use insulation that should be able to handle an interior temperature of over 120 C 248 F Wrap theY joint with insulation of a thickness of at least 10mm 3 8 Fix securely without any gap Provided insulation Fix securely without any gap Pipe insula...

Page 31: ...t which you arbitrarily remodeled Failure to do so may result in reduced capacity of an air conditioner electric shock and fire X X Do not connect the grounding wire to that of gas pipe water pipe lightning rod or telephone Gas pipe If the gas leaks explosion or ignition may occur Water pipe If rigid vinyl pipe is used grounding effect will not work Grounding wire and lightning rod of telephone Th...

Page 32: ...1 phase 2 wires 208V 230V MCCB ELB ELCB Or MCCB ELB ELCB Or Earth 1 phase 2 wires 208V 230V Connection of the power cable 1 phase 2 wires using EEV kit Distribution board Outdoor unit Indoor unit 1 phase 2 wires 208V 230V Earth Communication cable Wired remote controller EEV kit 1 phase 2 wires 208V 230V MCCB ELB ELCB Or MCCB ELB ELCB Or DVM S Eco_IM_03408A 05_EN indd 32 2016 11 11 오후 1 27 57 ...

Page 33: ... be provided with a certified power supply cord and interconnection cord complying with the national regulations of the countries in which the appliance is to be sold X X Refer to the unit nameplate for Minimum Circuit Ampacity MCA and maximum Over current Protection MOP rating 1 Voltage tolerance is 10 2 Maxium allowable voltage between phases is 2 NOTE Tightening power terminal X X Connect the c...

Page 34: ... 1 2 17 5 1 2 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 6 1 4 7 9 5 16 9 5 5 16 11 3 8 12 5 1 2 17 ...

Page 35: ...3 Note 1 In case of installing circuit breaker as well 1 Grounding work 3 Grounding must be done by your installation specialist Check if the grounding resistance is lower than 100Ω When installing a circuit breaker that can cut the electric circuit within 0 5 second in case of a short circuit the allowable grounding resistance should be 30 500Ω 2 Grounding at dry place The grounding resistance is...

Page 36: ...as in a storm conductor 50cm 1 6 ft 30cm 1 ft The grounding wire for the telephone line cannot be used to ground the air conditioner CAUTION 3 Install a green yellow coloured grounding wire Refer to the Wiring work for the specification of grounding wire When the grounding wire is too short extend the grounding wire but bind the connection part with insulation tape Do not bury the connection Secur...

Page 37: ... Terminal blocks R1 R2 for connection with the Upper Controller DMS Touch On Off Controller etc S W for setting number of connecting indoor units Setting the number of connecting indoor units Ex When you connect 3 indoor units set SW02 to 3 SW02 Unit digit SW01 Unit digit FLOW SWITCH External Con DVM S Eco_IM_03408A 05_EN indd 37 2016 11 11 오후 1 27 58 ...

Page 38: ...ection Defrost correction K13 K14 K15 K16 DIP S W specification setting TACT switch Number of presses Content SEG1 SEG2 SEG3 SEG4 Remark K1 Press and hold 1 time Check operation 1 Heating refrigerant charging 2 Heating trial operation 3 Heating pump out 4 Vacuum 5 Completion K2 1 Cooling refrigerant charging 2 Cooling trial operation 3 Cooling pump down 4 Checking the amount of refrigerant 5 Compl...

Page 39: ...5 ON Automatic Silent mode operation OFF Manual Silent mode operation You can use the Manual Silent mode operation if you set the K5 DIP switch to OFF and connect some external contact switch to the External Con port of MAIN PBA shown in p 37 X X K6 Snow prevention control option Switch Function Snow prevention control K6 ON Disuse snow prevention control Default OFF Use snow prevention control Wh...

Page 40: ...ice versa decreases frequency When target high pressure is high the discharge air temperature of an indoor unit will increase but energy consumption will increase as well Maintaining factory default status is recommended However if you want to reduce energy consumption or you are not satisfied with heating performance control the operation according to the surrounding environment As you decrease t...

Page 41: ...ress and hold K2 to enter the option setting Only available when the operation is stopped If you enter the option setting display will show the following If you have set the Emergency operation for compressor malfunction 1 or 2 will be 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...

Page 42: ...ent or repair by collecting the refrigerant to the outdoor unit Caution for pump down procedure X X The amount of refrigerant that can be put into an outdoor unit is limited due to the slim shape of the outdoor unit X X Before performing pump down most of the refrigerant should be put into an empty container at first The maximum amount of refrigerant that can be put into the outdoor unit is 5kg 17...

Page 43: ... gauge pressure 420 61 psig decrease the number of operating indoor unit and make the pressure below 2 9 MPa gauge pressure 420 61 psig X X After checking that the pressure of high pressure side went below 2 9 MPa gauge pressure 420 61 psig open the manifold gage side valve 2 that is connected to the liquid pipe and refrigerant container valve Then run the refrigerant from liquid pipe to refrigera...

Page 44: ...efrigerant pipes within the allowable range Is the refrigerantY joint properly installed Has the connection of liquid and gas pipes been correctly performed Have you chosen correct insulation for pipes and have you insulated them correctly Is the pipe or connection part properly insulated Is the quantity of the additional refrigerant correctly weighed in You must record the amount of additional re...

Page 45: ... operation 1 Check the power cable and communication cable of the indoor and outdoor unit 2 Supply power to the outdoor unit 3 hours before check operation to pre heat the crank case heater 3 Before supplying the power use a voltmeter and phase tester to check the voltage and the phase 230V between wires R S S T T R 4 When the power is supplied outdoor unit will execute tracking to check the indoo...

Page 46: ...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 inpection needed sign run the check operation again 4 Check the following itmes by running cooling heating trial operation Check if cooling heating operation performs normally Individual indoor unit...

Page 47: ...g the product in cooling mode for at least 30 minutes Product may trigger protection operation depending on the installation environment In this case result of refrigerant amount detection may not be accurate If escape the warranty temperatures can not get the accurate results Indoor 20 30 C 68 86 F Outdoor 5 43 C 41 109 4 F Actions to take after the detection result Exessive amount of refrigerant...

Page 48: ...ne correctly in cooling Check S net Pro for detailed operation X X Explain to the user the usage of the air conditioner by referring to the users manual Turn on the outdoor unit 3 hours before the test operation to preheat the compressor If the compressor is not preheated CH may appear on the outdoor unit PCB depending on the outdoor temperature If the check operation is not completed UP may appea...

Page 49: ...49 ENGLISH Memo DVM S Eco_IM_03408A 05_EN indd 49 2016 11 11 오후 1 28 01 ...

Page 50: ...DB68 03408A 05 DVM S Eco_IM_03408A 05_EN indd 50 2016 11 11 오후 1 28 01 ...

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