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INSTALLATION MANUAL AND USERS GUIDE 

Multi Split Series – Ductless Split – Cassette Indoor unit 

 

 

04006020101 

© Sedna Aire Europe GmbH 

10/2012 

 

CM - Multi Split Series 

R-410A Ultra High Efficiency Cassette Indoor unit 

Cassette: 2,5 – 5 kw Capacity 

 

 

 

 

 

 

Sedna Aire now offers ductless Multi split heat pumps that use the more efficient and 
environmentally friendly refrigerant (R-410A). The ductless system allows very easy 
integration into existing surroundings without major investment in ducts or radiators. It 
contains one outdoor and up to five indoor unit Wall mounted and/or Cassettes) and is 
especially dedicated to straight forward applications where more than one indoor unit are 
needed.   
The new CM Series of Sedna Aire heat pumps offers outstanding performance as well as 
environmental protection. These models with their high efficient compressors  in DC-Inverter 
technology offer when matched with our SolarcoolTM panel efficiency rates 2-3 times better 
than current comparables best-in class systems:  EER: 8 for Cooling and 

 

COP: 8 for Heating. 
Cassettes are available for assembly in ceilings allowing luxury design and air distribution in 
all 4 directions. They are available in Euro-Grid (CMC-12/18) and non-Euro-Grid (CMC24). 
The manual explains the use and installation of the indoor cassettes only. The use and 
installation of the outdoor systems is described in other manuals 

SolarCool

TM

The Hotter it Gets, The Better It Works!

 

 
 

 

 

Summary of Contents for CM Multi Split Series

Page 1: ...aight forward applications where more than one indoor unit are needed The new CM Series of Sedna Aire heat pumps offers outstanding performance as well as environmental protection These models with their high efficient compressors in DC Inverter technology offer when matched with our SolarcoolTM panel efficiency rates 2 3 times better than current comparables best in class systems EER 8 for Coolin...

Page 2: ... 8 8 Care and maintenance 9 9 Trouble shooting 11 10 Location of installation 13 11 Dimensions of cassette unit 14 12 Installation of indoor cassette unit 15 13 Electrical wiring 18 14 Installation of front cover panel 18 15 Checks and test run 20 16 Warranty 20 IMPORTANT The installation and especially the connection between the outdoor unit and the Solarpanel shall be only performed by trained a...

Page 3: ... CASSETTE Composing parts System overlook Air intake Air Outlet Remote Control Drain hose Zoom in Display Timer Compressor Operation Timer Comp Oper Drainage equipment for discharging condensate water from indoor unit when cooling Drainage hose Guide louver placed in air outlet vent Connecting pipe Air inlet grille Air outlet vent Air filter purifier in air inlet grille ...

Page 4: ... attempt to repair the air conditioner by yourself Wrong repair may cause an electric shock and may kill you Don t apply cold wind over longer time on you It may cause a cold and harm your health especially over night when you sleep If your detect unusual phenomenons like smell or burning smoke turn off immediately the unit It may cause damage electrical shocks and impact your health Don t place a...

Page 5: ...running the unit It can decrease the air conditioning capacity Don t blow the air directly to and plants It may impact their health when not properly controlled Don t damage the power and signal cords Don t damage or cut the cords If this has happened contact service center or other trained and skilled electricians since wrong repairs may kill you Don t splash water on the indoor units It can caus...

Page 6: ...s displayed Press within 5 sec or to set time Every press changes time by 1 min Holding down the buttons rapidly changes the time setting by 1 min and then 10 min After having set press TIMER ON TIMER OFF within 5 sec to confirm your input 8 Display light on off Switch display light on off 9 Displays set temperature room temperature or outdoor temperature The temperature control range for the indo...

Page 7: ... The breakers act as short circuit prevention and to avoid abnormal overloads The main switch must be accessible easily and at all times Switch of power before cleaning and maintenance of the indoor units After having turned off the indoor units they will continue to work for 20 70 sec to deplete the residual cool heat in the unit s evaporator while preparing for next operation This is normal When...

Page 8: ...t will be removed after the unit has stopped This is intended to avoid mildew in the indoor unit When having set X FAN on After turning off the unit On Off button the fan in the indoor unit will continue for further 10 min If you want to stop that too press X FAN again When having set X FAN off After turning off the unit On Off button the unit will stop at once Auto Run In the AUTO mode the unit w...

Page 9: ... panel is dirty please use a cloth which is slightly moistened with warm water cleanser under 40 C then dry it and wipe off the dirty spots NOTE The indoor units contains microcomputer components and circuit board in the display which are very sensitive against water So don t put any water into the interior of the indoor unit Clean the air filters in the indoor unit at least all 6 months recommend...

Page 10: ...rifier out Install new filters in frame and reinsert purifiers in the air filter Reinsert the filter Fix the purifiers on the filter install filter on the several bulges on top of the grille Pull the handle behind the grille toward inside to fix the filter Close the air inlet grill analogue to step 1 Repetitive maintenance of indoor unit Turn power off Clean air inlet grill Clean air inlet filter ...

Page 11: ...ing running or the air conditioner is stopped sometimes you may hear hua hua or di du di du noise This is the flowing sound of refrigerant other than fault Sometimes a thin fog will flow out of the outlet when air conditioner is running in cooling mode This might occur when indoor temperature and humidity are high This is because the indoor air is quickly cooled down After a period of time the fog...

Page 12: ...ut under heating or defrost auto defrost mode Under cooling mode water attached on heat exchanger will drip No air blows out from indoor unit When the temperature of indoor heat exchanger is low during heating process the indoor unit will stop air blowing to prevent blowing of cold air within 3 minutes In HEAT mode when outdoor temperature is low or humidity is high and much frost on the heat exch...

Page 13: ... have access for routine maintenance e g replacing the filters The height of the installation should be min 1 8 m above the floor Install cassette in middle of the room to allow optimal air distribution into all corners Stay away at least 1m from other electric appliances like TV audio devices etc Do not locate the indoor unit in the immediate proximity of a laundry bath shower or swimming pool Ma...

Page 14: ... GmbH 14 10 2012 11 DIMENSIONS OF CASSETTE UNIT CMC12 CMC18 CMC24 The decorated covers of the cassette shall overlap the ceiling by min 20 mm 950 Cover of cassette 890 Ceiling opening 840 Indoor unit 680 780 950 Cover of cassette 890 Ceiling opening 840 Indoor unit Refrigerant pipe Hoisting screw 650 570 400 570 604 650 ...

Page 15: ... and lower nut gasket on rod Check helping installation cardboard with openings in ceiling Central mark of the ceiling opening is marked on the cardboard Install helping installation cardboard on unit Hang the unit onto the desired location using the rods and gaskets IMPORTANT Check if the unit is horizontal if not turn nuts until unit is horizontal If the unit is not horizontal water may leak sin...

Page 16: ...ck the connection for leakage Use water soap solution Insulate gas pipes and their connection to prevent condensation and water leaks by covering provided insulation sheet completely around the connection and nut Fasten the isolation sheet against tear off NOTE PLEASE FOLLOW THIS INSTUCTION OTHER WISE CONDENSATE DEVELOPS DROPS AND DAMAGES THE CEILING Install drain pipe hose During cooling condensa...

Page 17: ...e ceiling at a distance of 1 1 5 m by using the clamps Insert the hose into the clamp and tighten the clamp Isolate the drain hose against the clamp Isolate the hose AND the surrounding clamp against condensation When you install more cassettes connect the drain hose serial from the highest to the lowest that always a negative slope downwards exists Drain hose Drain hose Clamp Ceiling Correct Wron...

Page 18: ...f the terminal board connect the Signal wire to the 2 terminal and connect the L wire to the 3 terminal and connect the earthing wire to the earth terminal Earthing MUST be done If not it may harm and kill the user Fix the cable with the clamp the section of power cable with protective pipe into pressing groove and close the cover plate Tighten the fixing screws to clamp the connecting cable Put t...

Page 19: ...ling material 3 Screw the 4 hexagonal head screws under the latches about 15mm in The panel rises 4 Adjust the panel by turning it along the arrows shown below so that it closes all gaps 5 Tighten the screws until the sealing material between panel and indoor unit is 5 8 mm thick Make sure no gaps between ceiling and cover panel occur They are critical and can deteriorate much the cooling capacity...

Page 20: ... Model Serial No Owner s phone Owner s email Owner s signature Dealer s name Installer s name Installer s address Installer s signature stamp Limited warranty by Sedna Aire Europe Valid is the warranty claim as published on the Homepage of Sedna Aire Europe at the time of purchase date Sedna Aire hereby warrants to the consumer that all units are free from defects in materials and workmanship and ...

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