background image

28

English

A

ppendix

Troubleshooting

Abnormal conditions

LED lamp display

Remarks

Operation

Defrost

Timer

Filter

Power reset

X

X

X

Error of temperature sensor in the indoor unit 

(Open/ Short)

X

X

X

Error of heat exchanger sensor in the indoor unit 

(Open/Short)

X

X

Error of fan motor in the indoor unit

X

X

X

Error of the outdoor temperature sensor

Error of the condensor temperature sensor

Error of the discharge temperature sensor

X

X

No communication for 2 minutes between 

indoor and outdoor unit (communication error 

for more than 2 minutes)

X

X

Error of outdoor unit

Error of the terminal block thermal fuse (Open)

X

Detection of the float switch

X

X

EEPROM ERROR

EEPROM option error

Outdoor valve clogging error

X

MDS (Motion Detecting Sensor) Error

X

X

Error due to connecting outdoor units that do not 

support the Wind-Free function

X

 : On,   : Flickering, X : Off

•  If you turn off the air conditioner when the LED is flickering, the LED is also turned off.

Summary of Contents for AC NN4DKH Series

Page 1: ...Airconditioner Installation manual AC NN4DKH Thank you for purchasing this Samsung air conditioner Before operating this unit please read this manual carefully and retain it for future reference...

Page 2: ...rging inert gas from the indoor unit Step 6 Cutting and flaring the pipes Step 7 Connecting the assembly pipes to the refrigerant pipes Step 8 Performing the gas leak test Step 9 Insulating the refrig...

Page 3: ...designed the indoor unit is not suitable to be installed in areas used for laundry Do not use the units if damaged If problems occur switch the unit off and disconnect it from the powersupply In orde...

Page 4: ...c lines Always verify that the cut off and protection switches are suitably dimensioned Verify that the airconditioneris connected to the power supply in accordance with the instructions provided in t...

Page 5: ...whetherthe chosen location is well drained The indoor unit must be installed such that it is beyond public access and is not touchable by users Do not install the airconditionerin following places Pl...

Page 6: ...uspension bolts 950 71 60 41 Model AC052NN4DKH AC071NN4DKH AC090NN4DKH AC100NN4DKH AC120NN4DKH AC140NN4DKH Chassis Small Large Large A 215 238 B 105 127 C 196 222 Net dimension W D H mm 840 X 840 X 20...

Page 7: ...and carry the indoor unit Step 3 Optional Insulating the bodyof the indoorunit If you install a cassette type indoor unit on the ceiling when temperature is over 27 C and humidity is over 80 you must...

Page 8: ...the length of the suspension bolt is more than1 5 m you are required to prevent vibration 4 Screw eight pairs of nuts and washers to the suspension bolts making space for hanging the indoor unit CAUT...

Page 9: ...If you wish to shorten the pipes cut them with a pipe cutter ensuring that the cut edge remains at a 90 angle to the side of the pipe Referto the illustrations below for examples of edges cut correctl...

Page 10: ...ate water on the outside of the pipe falling onto the floor and to improve the efficiency of the unit 3 Cut off any excess foam insulation 4 Make sure that there are no cracks orwaves on the bent area...

Page 11: ...tion tightlywithout any gaps 3 Finish wrapping insulating tape around the rest of the pipes leading to the outdoor unit 4 The pipes and electrical cables connecting the indoor unit with the outdoor un...

Page 12: ...dormitory and studio or near an exit that opens and closes frequently Places where the pipes are installed that are highly humid due to a lack of ventilation Step10 Installing the drain hose and drai...

Page 13: ...ks Under gradient Ceiling Do not apply force to the piping on the unit side when connecting the drain hose The hose should not be allowed to hang loose from its connection to the unit Fasten the hose...

Page 14: ...nly in the Cool mode you can check the correct operation of the drain pump When the electric cable connection has not been completed Remove the control box cover of the indoor unit Connect the power s...

Page 15: ...the side of the indoor unit and connect the cable to the terminals referto the figure below 3 Route the other end of the cable to the outdoor unit through the ceiling the hole on the wall 4 Reassemble...

Page 16: ...within 10 of power drop If it exceeds you must consider another power supplying method The circuit breaker MCCB ELB should be considered more capacity if many indoor units are connected from one break...

Page 17: ...th 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 Method 1 Method 2 Insulation tape 35 mm 40...

Page 18: ...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 The tota...

Page 19: ...e SEG4 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display SEG4 b Set the SEG5 value by pressing the High Fan button repeatedly until...

Page 20: ...ontrol display When you press the Low Fan or High Fan button values appear in the following order SEG10 8 Press the Mode button Heat and On appear on the remote control display 9 Set the SEG11 and SEG...

Page 21: ...the Low Fan button repeatedly until the value you want to set appears on the remote control display SEG16 b Set the SEG17 value by pressing the High Fan button repeatedly until the value you want to...

Page 22: ...you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG22 18 Press the Mode button Heat and Off appear on the remot...

Page 23: ...the remote control twice Make sure that this command is received by the indoor unit When it is successfully received you can hear a short sound from the indoor unit If the command is not received pres...

Page 24: ...on or off controller set RMC address Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page Mode Setting main address Reserved Indoorunit number Indoorunit number Indication and details Indication Detail...

Page 25: ...h remote control allows you to control multiple indoor units individually by using the remote control Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page Mode Reserved Use of external temperature senso...

Page 26: ...in SoftOff Hardoff 2 Indoor2 1 2 C 3 Offafter80min SoftOff Hardoff Premium 4 Offafter20min SoftOff Hardoff 5 Offafter40min SoftOff Hardoff 3 Indoor3 2 5 C 6 Offafter80min SoftOff Hardoff Standard 7 Of...

Page 27: ...n number Units position of the option number Newvalue Indication and details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 0 D Optio...

Page 28: ...erature sensor Error of the discharge temperature sensor X X No communication for 2 minutes between indoor and outdoor unit communication error for more than 2 minutes X X Error of outdoor unit Error...

Page 29: ...29 English Appendix Memo...

Page 30: ......

Reviews: