Air conditioner
User manual/Installation manual
AC
777
MNADCH / AC
MNTDCH
ŷ
Thank you for purchasing this Samsung air conditioner.
Before operating this unit, please read this Installation manual carefully and retain it for future reference.
Page 1: ...er manual Installation manual AC777MNADCH AC777MNTDCH ŷ Thank you for purchasing this Samsung air conditioner ŷ Before operating this unit please read this Installation manual carefully and retain it for future reference ...
Page 2: ...n Selecting the operation mode Adjusting the temperature Selecting the fan speed Selecting air flow direction Advanced Operation 20 Setting the On or Off timer 20 Setting the On timer Setting the Off timer Setting the good sleep Function 22 Using the good sleep Function 23 Using the Turbo Function 24 Controlling Indoor Units 25 Cleaning and Maintenance 26 Cleaning the Air Conditioner 26 Cleaning t...
Page 3: ...ation plate Step 2 3 Connecting the power and communication cables assembly cable Step 2 4 Optional Extending the power cable Step 2 5 Installing and connecting the drain hose Step 2 6 Optional Extending the drain hose Step 2 7 Optional Changing the direction of the drain hose Step 2 8 Installing and connecting the assembly pipes to the refrigerant pipes assembly pipe Step 2 9 Shortening or extend...
Page 4: ...teristics of your air conditioner may differ slightly from those described in this manual If you have any questions call your nearest contact centre or find help and information online at www samsung com WARNING Hazards or unsafe practices that may result in severe personal injury or death CAUTION Hazards or unsafe practices that may result in minor personal injury or property damage Follow direct...
Page 5: ... may result in electric shock or fire Fix the outdoor unit firmly so that the electric part of the outdoor unit is not exposed ŷ Failing to do so may result in electric shock fire explosion or problems with the product Do not install this appliance near a heater or inflammable material Do not install this appliance in a humid oily or dusty location in a location exposed to direct sunlight and wate...
Page 6: ... pipes as odours may arise in the future When installing the outdoor unit make sure to connect the drain hose so that draining is performed correctly ŷ The water generated during heating by the outdoor unit may overflow and result in property damage In particular in winter if a block of ice falls it may result in injury death or property damage FOR POWER SUPPLY WARNING When the circuit breaker is ...
Page 7: ...e power supply immediately and contact the nearest service centre ŷ Failing to do so may result in electric shock or fire In the event of a gas leak such as propane gas LP gas etc ventilate immediately without touching the power line Do not touch the appliance or power line ŷ Do not use a ventilating fan ŷ A spark may result in an explosion or fire To reinstall the air conditioner please contact y...
Page 8: ... within 24hrs Do not touch the circuit breaker with wet hands ŷ This may result in electric shock Do not turn the air conditioner off with the circuit breaker while it is operating ŷ Turning the air conditioner off and then on again with the circuit breaker may cause a spark and result in electric shock or fire After unpacking the air conditioner keep all packaging materials well out of the reach ...
Page 9: ...st once an hour If any foreign substance such as water has entered the appliance cut off the power supply and contact the nearest service centre ŷ Failing to do so may result in electric shock or fire Do not attempt to repair disassemble or modify the appliance yourself ŷ Do not use any fuse such as cooper steel wire etc other than the standard fuse ŷ Failing to do so may result in electric shock ...
Page 10: ... being harmful to humans it may also result in electric shock fire or problems with the product Do not drink the water from the air conditioner ŷ The water may be harmful to humans Do not apply a strong impact to the remote control and do not disassemble the remote control Do not touch the pipes connected with the product ŷ This may result in burns or injury Do not use this air conditioner to pres...
Page 11: ...uration deformation damage electric shock or fire Before cleaning or performing maintenance cut off the power supply and wait until the fan stops ŷ Failing to do so may result in electric shock or fire CAUTION Take care when cleaning the surface of the heat exchanger of the outdoor unit since it has sharp edges ŷ This should be done by a qualified technician Please contact your installer or servic...
Page 12: ...mage depicted below Indoor Unit Overview AC777MNADCH Main parts Air filter Air flow blade up and down Air flow blade left and right Air intake Room temperature sensor Display Power button Remote controller receiver Turbo indicator Timer Auto clean indicator Power indicator ...
Page 13: ...s Air filter under the panel Air fl ow blade up and down Blade pin lever Air intake Air fl ow blade left and right Room temperature sensor Display Turbo indicator Timer Auto clean indicator Power indicator Power button Remote controller receiver ...
Page 14: ...ertical air swing button 17 Mode button 18 Fan speed button 19 Horizontal air swing button NOTE ŷ This function is not available in this model 20 Settings button 21 SET button NOTE ŷ The air conditioner may not be operated by the remote control if the controller is placed close to strong light such as a fluorescent lamp or neon sign In this case use the remote control right in front of the remote ...
Page 15: ...nual or packaging indicates that the batteries in this product should not be disposed of with other household waste at the end of their working life Where marked the chemical symbols Hg Cd or Pb indicate that the battery contains mercury cadmium or lead above the reference levels in EC Directive 2006 66 Storing the remote control If the remote control will not be used for an extended period of tim...
Page 16: ...s generated Cool The Cool mode is frequently used and you can freely control the temperature fan speed and air flow direction in Cool mode ŷ When you select the Heat mode while the Cool mode is on the Cool mode is cancelled Dry The air conditioner in Dry mode acts like a dehumidifier by removing moisture from the indoor air The Dry mode will provide you with fresh air even on a rainy day Fan The F...
Page 17: ...the Cool mode while the Heat mode is on the Heat mode is cancelled NOTE ŷ When the outdoor temperature is relatively low and the humidity is relatively high in Heat mode the outdoor unit s heating capacity may decrease due to the frost formed on the outdoor heat exchanger The defrost operation removes the frost formed on the heat exchanger of the outdoor unit for 5 to 12 minutes During the defrost...
Page 18: ...e temperature Press the button to adjust the temperature Mode Temperature control Auto Cool Dry Adjust by 1 C 1 F between 18 C 65 F and 30 C 86 F Heat Adjust by 1 C 1 F between 16 C 61 F and 30 C 86 F Fan Temperature cannot be adjusted Selecting the fan speed Press the button to adjust the fan speed Mode Available fan speeds Auto Dry Auto Cool Heat Auto Low Med High Fan Low Med High Operation Mode...
Page 19: ...e completely when you turn off the air conditioner Horizontal air flow manual Keep the horizontal air flow in a constant direction by changing the directions of the horizontal air flow blades manually NOTE ŷ Although you press the button this function does not work CAUTION ŷ To prevent personal injury make sure that you change the directions of the horizontal air flow blades after stopping the mov...
Page 20: ... 10 seconds after setting the time Therefore check for the On indicator on the remote control display Cancel Press the button Ź select On Ź press the or button Ź set the timer to Ź press the button Remote control display Additional options available in the On timer Select the mode in the following order Auto Ź Cool Ź Dry Ź Fan and Ź Heat You can adjust the temperature after timer setting is comple...
Page 21: ...e timer to Ź press the button NOTE ŷ Only the latest timer setting will be applied between the Off timer and good sleep off timer functions Remote control display Combining On timer and Off timer When the air conditioner is turned off When the air conditioner is turned on When the set time on On timer is less than that on Off timer e g On timer 3 hours Off timer 5 hours ŷ The air conditioner will ...
Page 22: ...good sleep mode is 8 hours 3 Press the button to complete the good sleep mode setting ŷ The indicator and the set time of the good sleep mode will be displayed on the remote control display ŷ The good sleep mode will be cancelled if you don t press the button within 10 seconds after setting the time Therefore check for the indicator on the remote control display Cancel Press the button Ź select Ź ...
Page 23: ...w you may feel cold while sleeping or catch a cold ŷ Optimal operation time in good sleep mode is 8 hours Therefore if the time is set too short or long you may not feel as comfortable as you want ŷ If the good sleep mode is set over 5 hours The Wake up stage will begin when 1 hour is remaining in the operation time and the air conditioner will stop automatically ŷ When the On timer and the good s...
Page 24: ...isplay and Turbo function will operate for 30 minutes Cancel Press the button Ź press the or to make the Turbo indicator blink and press the button NOTE ŷ Turbo function is available in Cool or Heat mode ŷ If the Turbo function is selected while the Quiet function is on the Quiet function will be cancelled ŷ The temperature and fan speed cannot be adjusted Remote control display Using the Turbo Fu...
Page 25: ...until the Zone indicator starts blinking 3 Press the button to select the indoor unit to operate ŷ You can select individual units in order of 1 to 4 or select all indoor units at one time Remote control display You can individually select and operate indoor units among 4 indoor units Controlling Indoor Units ...
Page 26: ...y cloth when needed Wipe off dirt from oddshaped areas by using a soft brush CAUTION ŷ Do not clean the display by using alkaline detergent ŷ Do not use sulphuric acid hydrochloric acid or organic solvents such as thinner kerosene and acetone to clean the surfaces Do not put any stickers on it as this can damage the surface of the air conditioner AC777MNTDCH Cleaning the Air Conditioner Soft brush...
Page 27: ...anel Tightly grab top of the front panel and pull it down to open Then slightly lift the panel up Air filter 2 Removing the Air filter Grab the handle and lift it up Then pull the Air filter towards you and slide it down JS mMUFS Air filter Vacuum cleaner Soft brush 30 minutes Mild detergent Hooks ...
Page 28: ... Clean the Air filter with a vacuum cleaner or soft brush If dust is too heavy rinse it with running water CAUTION ŷ Do not scrub the air filter with a brush or other cleaning utensil This may damage the filter ŷ Do not expose the air filter to direct sunlight when drying it NOTE ŷ Clean the air filter every 2 weeks Cleaning term may vary depending on the usage and environmental conditions ŷ If th...
Page 29: ...sate drain pan 2 O Thoroughly clean the heat exchanger 2 O Clean the condensate drain pipe 2 O Replace the remote control batteries 1 O Outdoor unit Clean the heat exchanger on the outside of the unit 2 O Clean the heat exchanger on the inside of the unit 2 O Clean the electric components with jets of air 2 O Verify that all the electric components are firmly tightened 2 O Clean the fan 2 O Verify...
Page 30: ...itioner operates in Cool mode Protect compressor The air conditioner does not start operating immediately to protect the compressor of the outdoor unit after it has been started NOTE ŷ If the heat pump is operating in Heat mode the de ice cycle is actuated to remove frost from an outdoor unit that may have deposited at low temperatures ŷ The internal fan is switched off automatically and restarted...
Page 31: ...ch on the circuit breaker plug in the power cord then operate the air conditioner again ŷ Make sure that the isolator is turned on ŷ Check whether the Timed off function is running Operate the air conditioner again by pressing the Power button I cannot change the temperature ŷ Check whether the Fan or Fast mode is running In these modes the air conditioner controls the set temperature automaticall...
Page 32: ...uitable tools so as to be careful not to damage the product nor injure yourself during this process ŷ Check whether the air conditioner is running the defrost function When ice forms in winter or the outdoor temperature is too low the air conditioner runs the defrost function automatically While this function is running the indoor fan stops and warm air does not come out ŷ Check whether doors or w...
Page 33: ... and you cannot change the fan speed The remote control does not work ŷ Replace the batteries in the remote control with new ones ŷ Make sure that nothing is blocking the remote control sensor ŷ Check whether there are strong lighting apparatus near the air conditioner Strong light which comes from fluorescent bulbs or neon signs may interrupt the electric waves The Timed on off function does not ...
Page 34: ...ed ŷ When refrigerant flow changes noise may be generated depending on the status of the air conditioner This is a normal operation Excessive Noise is Generated and Reduced Performance ŷ If excessive irregular noise is generated in conjunction with reduced product performance please refer to your service engineer to ensure the product is operating correctly Smoke is generated from the outdoor unit...
Page 35: ...2 C 64 F to 90 F 80 or less HEATING 20 C to 24 C 4 F to 75 F 30 C 86 F or less DRYING 18 C to 46 C 0 F to 115 F 18 C to 32 C 64 F to 90 F 80 or less NOTE ŷ The standardized temperature for heating is 8 3 C 47 F If the outdoor temperature drops to 0 C 32 F or below the heating capacity can be reduced depending on the temperature condition ŷ If the cooling operation is used at over 32 C 90 F indoor ...
Page 36: ...ections regularly These operations should be performed by qualified personnel only ŷ The unit contains moving parts which should always be kept out of the reach of children ŷ Do not attempt to repair move alter or reinstall the unit If performed by unauthorised personnel these operations may cause electric shocks or fires ŷ Do not place containers with liquids or other objects on the unit ŷ All th...
Page 37: ...g is not complete electric shock or fire may occur ŷ Install the circuit breaker If the circuit breaker is not installed electric shock or fire may occur ŷ Make sure that the condensed water dripping from the drain hose runs out properly and safely ŷ Install the power cable and communication cable of the indoor and outdoor unit at least 1m away from the electric appliance ŷ Install the indoor unit...
Page 38: ... more recommended 4 92 inch 125 mm or more recommended Drain hose hole You can select the direction of draining left or right Maximum pipe height 26 25 ft 8 m Maximum pipe length 49 21 ft 15 m Make at least one round to reduce noise and vibration The actual units may look different from the images depicted here Make a U trap A on the pipe which is connected to the indoor unit at outer wall and cut...
Page 39: ...h 2 56 inch 65 mm inner diameter through which the pipe bundle consisting of power and communication cables refrigerant pipes and drain hose will pass and then drill that hole 1 Determine the position of a 2 56 inch 65 mm hole in consideration of the possible directions of the pipe bundle and the minimum distances between the hole and the installation plate CAUTION ŷ If changing the pipe direction...
Page 40: ...lace the indoor unit on the installation plate 1 To avoid condensation problems place heat resistant poly ethylene foam separately around each refrigerant pipe in the lower part of the indoor unit 2 Wrap the refrigerant pipe and the drain hose in the rear of the indoor unit with the absorbent pad NOTE ŷ Wind the pipe and hose three times to the end of the indoor unit with the absorbent pad 0 79 in...
Page 41: ...centre hooks Then unlock the bottom hooks to pull out the cover panel B B C A A 1 2 4 Step 2 2 Disassembling the installation plate Indoor Unit Installation Please scan this QR code for detail video of indoor unit installation This QR code only for AC777MNADCH Cap screw Phillips screwdriver Screw Flat head screwdriver Centre hook A Bottom Side hook B C ...
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Page 43: ...s and flip it over and compress another two points in the same location ŷ The compression dimension should be 0 31 inch 8 0 mm ŷ After compressing it pull both sides of the wire to make sure it is firmly pressed 5 Wrap it with the insulation tape twice or more and position your contraction tube in the middle of the insulation tape Three or more layers of insulation are required 6 Apply heat to the...
Page 44: ...part ŷ If the diameter of the connection hose is smaller than the product s drain hose water leakage may occur ŷ Inadequate installation may cause water leakage ŷ If the drain hose is routed inside the room insulate the hose so that dripping condensation does not damage the furniture or floors ŷ Do not box in or cover the drain hose connection Drain hose connection must be easily accessible and se...
Page 45: ...t of the drain pan Drain pan outlet Rubber cap 4 Attach the rubber cap with a screwdriver by turning it to the right until it fixes to the end of the groove 5 Check for leakage on both side of the drain outlet Pour the water in direction of arrow K Direction of the drained water CAUTION ŷ Make sure that the indoor unit is in upright position when you pour water to check for leakage Make sure that ...
Page 46: ...1 4 6 35 10 3 to 13 3 14 to 18 140 to 180 ø 3 8 9 52 25 1 to 31 0 34 to 42 350 to 430 ø 1 2 12 70 36 1 to 45 0 49 to 61 500 to 620 ø 5 8 15 88 50 2 to 60 5 68 to 82 690 to 830 NOTE ŷ If you want to shorten or extend the pipes see Step 2 9 Shortening or extending the refrigerant pipes assembly pipe on page 49 4 Cut off the remaining foam insulation 5 If necessary bend the pipe to fit along the bott...
Page 47: ... 1 3 0 34 to 0 36 8 7 to 9 1 ø 3 8 9 52 0 071 1 8 0 50 to 0 52 12 8 to 13 2 ø 1 2 12 70 0 079 2 0 0 64 to 0 65 16 2 to 16 6 ø 5 8 15 88 0 087 2 2 0 76 to 0 78 19 3 to 19 7 Outer diameter inch mm Torque OEIŷIW 1ŷP 7RUTXH NJIŷFP ø 1 4 6 35 10 3 to 13 3 14 to 18 140 to 180 ø 3 8 9 52 25 1 to 31 0 34 to 42 350 to 430 ø 1 2 12 70 36 1 to 45 0 49 to 61 500 to 620 ø 5 8 15 88 50 2 to 60 5 68 to 82 690 to...
Page 48: ... unit on a window frame 1 Determine the positions of the wooden uprights to be attached to the window frame 2 Attach the wooden uprights to the window frame giving attention to the weight of the indoor unit 3 Attach the installation plate to the wooden upright using tapping screws When fixing the indoor unit on a gypsum board 1 Use stud finder to find out locations of the studs 2 Fix the plate han...
Page 49: ...oes not move when you install the indoor unit onto the installation plate Step 2 12 Assembling the cover panel Only for AC777MNADCH 1 Lock the side hooks D then centre hooks B Then lock the bottom hooks C to engage the cover panel in place 2 Fasten the screw A then assemble the cap screws A B B C C A A A B B C C D D 1 2 A 2 1 ...
Page 50: ...ve the batteries from the remote control and then insert them again b While holding down the High Temp and Low Temp buttons simultaneously insert the batteries into the remote control c Make sure that you are entered to the mode for setting the options 2 Set the option values CAUTION ŷ The total number of available options are 24 SEG1 to SEG24 ŷ Because SEG1 SEG7 SEG13 and SEG19 are the page optio...
Page 51: ...h time you press the button will be selected in rotation SEG4 SEG5 4 Setting Dry mode Press Mode button to be changed to DRY mode in the ON status 5 Setting SEG6 SEG8 option Press Low Fan button to enter SEG6 value Press High Fan button to enter SEG8 value Each time you press the button will be selected in rotation SEG6 SEG8 6 Setting Fan mode Press Mode button to be changed to FAN mode in the ON ...
Page 52: ...n SEG14 SEG15 12 Setting Cool mode Press Mode button to be changed to Cool mode in the OFF status 13 Setting SEG16 SEG17 option Press Low Fan button to enter SEG16 value Press High Fan button to enter SEG17 value Each time you press the button will be selected in rotation SEG16 SEG17 14 Setting Dry mode Press Mode button to be changed to Dry mode in the OFF status 15 Setting SEG18 SEG20 option Pre...
Page 53: ...EG23 SEG24 3 Check whether the option values that you have set are correct by pressing the button repeatedly SEG2 SEG3 SEG21 SEG22 SEG4 SEG5 SEG23 SEG24 4 4 SEG6 SEG8 SEG9 SEG10 0 0 SEG11 SEG12 SEG14 SEG15 SEG16 SEG17 7 7 SEG18 SEG20 0 0 4 Save the option values into the indoor unit Press the button with the direction of remote control for set For correcting option values input the option values t...
Page 54: ...ained Option No 0AXXXX 1XXXXX 2XXXXX 3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE Setting Main address RESERVED RESERVED The unit digit of an indoor unit Indication and Details Indication Details Indication Details Indication Details Indication Details 0 A 0 No Main address 0 3 ACN Details 1 Main address setting mode 0 4 AJN A single digit Option SEG7 SEG8 SEG9 SEG10 SEG11 SEG...
Page 55: ...hen there is more than one indoor unit No need to assign SEG3 6 9 10 11 16 21 22 23 24 which are non applicable Even though those segments are set they will be ignored If you set the applicable segments with numbers other than the indiciated the initial setting will be maintained 4 Set the indoor unit option by wireless remote controller Option No 02XXXX 1XXXXX 2XXXXX 3XXXXX Option SEG1 SEG2 SEG3 ...
Page 56: ... remote controller Heating setting compensation RESERVED RESERVED RESERVED Indication and details Indication Details Indication Details Indication Details 3 0 or 1 Indoor 1 0 Disuse 2 Indoor 2 3 Indoor 3 4 Indoor 4 1 2 C 2 5 C If you input a number other than 0 4 on the individual control of the indoor unit SEG 20 the indoor is set as Indoor 1 Example If you want to set as Exterior temperature sen...
Page 57: ...s Indication Details Indication Details Indication Details 0 D Option mode 0 F Tens digit of SEG 0 9 Unit digit of SEG 0 9 The changed value 0 F NOTE ŷ When changing a digit of an indoor unit address setting option set the SEG3 as A ŷ When changing a digit of indoor unit installation option set the SEG3 as 2 Example When setting the buzzer control into disuse status Option SEG1 SEG2 SEG3 SEG4 SEG5...
Page 58: ...1 Error on Eva in sensor Short or Open 2 Error on Eva out sensor Short or Open 3 Discharge sensor error Short or Open E122 E123 E126 Indoor fan error E154 1 Error on outdoor temperature sensor Short or Open 2 Error on cond sensor 3 Error on discharge sensor Other outdoor unit sensor error that is not on the above list E221 E237 E251 1 When there is no communication between the indoor outdoor units...
Page 59: ...e detection 8 Comp stop due to freeze detection 6th detection 9 High pressure sensor is detached 10 Low pressure sensor is detached 11 Outdoor unit copression ration error 12 Outdoor sump down_1 prevetion control 13 Compressor down due to low pressure sensor prevention control_1 14 Simultaneous opening of cooling heating MCU SOL valve 1st detection 15 Simultaneous opening of cooling heating MCU SO...
Page 60: ...ort Spanish www samsung com latin_en support English HONDURAS 800 2791 9111 www samsung com latin support Spanish www samsung com latin_en support English JAMAICA 1 800 SAMSUNG 726 7864 www samsung com latin_en support English NICARAGUA 001 800 5077267 www samsung com latin support Spanish www samsung com latin_en support English PANAMA 800 0101 www samsung com latin support Spanish www samsung co...
