Mars Comfort-Aire Century DVH Series Owner'S Manual & Installation Manual Download

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www.marsdelivers.com

Owner’s Manual &

Installation Manual

DVH Series

Inverter Single Zone Ductless Mini-Split

DVH09SG-0

DVH09SG-1

DVH12SG-0

DVH12SG-1

DVH18SG-1

DVH24SG-1

Summary of Contents for Comfort-Aire Century DVH Series

Page 1: ...www marsdelivers com Owner s Manual Installation Manual DVH Series Inverter Single Zone Ductless Mini Split DVH09SG 0 DVH09SG 1 DVH12SG 0 DVH12SG 1 DVH18SG 1 DVH24SG 1 ...

Page 2: ... Owner s Manual Table of Contents Safety Precautions 03 Care and Maintenance 12 Troubleshooting 14 1 Indoor unit display 07 2 Operating temperature 09 3 Other features 10 4 Setting angle of airflow 11 5 Manual operation without Remote 11 ...

Page 3: ...nt indoor unit 25 Outdoor Unit Installation 26 1 Select installation location 26 2 Install drain joint 27 3 Anchor outdoor unit 27 4 Connect signal and power cables 29 Refrigerant Piping Connection 30 A Note on Pipe Length 30 B Connection Instructions Refrigerant Piping 30 1 Cut pipe 30 2 Remove burrs 31 3 Flare pipe ends 31 4 Connect pipes 31 Air Evacuation 33 1 Evacuation Instructions 33 2 Note ...

Page 4: ... ALL INVERTER MINI SPLITS REQUIRE 14 4 STRANDED WIRE BETWEEN THE INDOOR AND OUTDOOR UNITS NO EXCEPTIONS 14 AWG 4 C TRAY CABLE A14 4SRBTHHNBK 14 AWG 19 0147 BC 4 C THHN CONDUCTORS POWER CONTROL TRAY CABLE TYPE TC CABLE FOR INSTALLATION IN ACCORDANCE WITH ARTICLE 336 AND OTHER APPLICABLE PARTS OF THE NATIONAL ELECTRICAL CODE 600V UL E123517 DIRECT BURIAL SUNLIGHT RESISTANT PVC JACKET 10 25 16 MADE I...

Page 5: ...ises like a burning smell immediately turn off the unit and disconnect the power Call your dealer for instructions to avoid electric shock fire or injury Do not insert fingers rods or other objects into the air inlet or outlet This may cause injury since the fan may be rotating at high speeds Do not use flammable sprays such as hair spray lacquer or paint near the unit This may cause fire or combu...

Page 6: ...share the electrical outlet with other appliances Improper or insufficient power supply can cause fire or electrical shock If connecting power to fixed wiring an all pole disconnection device which has at least 3mm clearances in all poles and have a leakage current that may exceed 10mA the residual current device RCD having a rated residual operating current not exceeding 30mA and disconnection mu...

Page 7: ... install the appliance to its support please read the information for details in indoor unit installation and outdoor unit installation sections For units that have an auxiliary electric heater do not install the unit within 1 meter 3 feet of any combustible materials Do not install the unit in a location that may be exposed to combustible gas leaks If combustible gas accumulates around the unit i...

Page 8: ...space is smaller than 14 ft For R290 refrigerant models the minimum room size needed 9000Btu h units 42 ft 9000Btu h and 12000Btu h units 55 ft 12000Btu h and 18000Btu h units 26m 18000Btu h and 24000Btu h units 35m Reusable mechanical connectors and flared joints are not allowed indoors EN Standard Requirements Mechanical connectors used indoors shall have a rate of not more than 3g year at 25 of...

Page 9: ...et if the unit is OFF remains on when TIMER ON is set FRESH SWING TURBO SILENCE or SOLAR PV ECO feature is turned on for 3 seconds when TIMER OFF is set FRESH SWING TURBO SILENCE or SOLAR PV ECO feature is turned off when defrosting cooling heating units when anti cold air feature is turned on when unit is self cleaning when 8 C heating feature is turned on Displays temperature operation feature a...

Page 10: ...s set FRESH SWING TURBO or SILENCE features is turned off when defrosting for cooling heating units when unit is self cleaning some units when fresh feature is turned on some units when ECO feature is activated some units when wireless control feature is activated some units Display Code Meanings Displays temperature operation feature and Error codes In Fan mode the unit will display the room temp...

Page 11: ...F 15 C 30 C 5 F 86 F 0 C 50 C 32 F 122 F 0 C 52 C 32 F 126 F For special tropical models 0 C 52 C 32 F 126 F For special tropical models 15 C 50 C 5 F 122 F For models with low temp cooling systems To further optimize the performance of your unit do the following Keep doors and windows closed Limit energy usage by using TIMER ON and TIMER OFF functions Do not block air inlets or outlets Regularly ...

Page 12: ... settings to stay comfortable This function can only be activated via remote control And the Sleep function is not available in FAN or DRY mode Press the SLEEP button when you are ready to go to sleep When in COOL mode the unit will increase the temperature by 1 C 2 F after 1 hour and will increase an additional 1 C 2 F after another hour When in HEAT mode the unit will decrease the temperature by...

Page 13: ...gers in or near the blower and suction side of the unit The high speed fan inside the unit may cause injury Fig B Fig A Setting Angle of Air Flow Setting horizontal angle of air flow To operate your unit manually 1 Open the front panel of the indoor unit 2 Locate the MANUAL CONTROL button on the right hand side of the unit 3 Press the MANUAL CONTROL button one time to activate FORCED AUTO mode 4 P...

Page 14: ...o be bad for your health Make sure to clean the filter once every two weeks 1 Lift the front panel of the indoor unit 2 Grip the tab on the end of the filter lift it up then pull it towards yourself 3 Now pull the filter out 4 If your filter has a small air freshening filter unclip it from the larger filter Clean this air freshening filter with a hand held vacuum 5 Clean the large air filter with ...

Page 15: ...e If you plan not to use your air conditioner for an extended period of time do the following Clean all filters Turn on FAN function until unit dries out completely Turn off the unit and disconnect the power Remove batteries from remote control Maintenance Pre Season Inspection After long periods of non use or before periods of frequent use do the following Check for damaged wires Clean all filter...

Page 16: ...s Troubleshooting Troubleshooting The unit changes from COOL HEAT mode to FAN mode The indoor unit makes noises A rushing air sound may occur when the louver resets its position A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit s plastic parts Both the indoor unit and outdoor unit make noises Low hissing sound during operation This is norm...

Page 17: ...t customer service center Provide them with a detailed description of the unit malfunction as well as your model number Troubleshooting Troubleshooting When troubles occur please check the following points before contacting a repair company Problem Possible Causes Solution Poor Cooling Performance Temperature setting may be higher than ambient room temperature Lower the temperature setting The hea...

Page 18: ...Poor heating performance The outdoor temperature is extremely low Use auxiliary heating device Cold air is entering through doors and windows Make sure that all doors and windows are closed during use Low refrigerant due to leak or long term use Check for leaks re seal if necessary and top off refrigerant Indicator lamps continue flashing The unit may stop operation or continue to run safely If th...

Page 19: ...ape Quantity PC Need to be installed on the back of main air filter by the authorized technician while installing the machine Mounting plate fixing screw Remote controller Fixing screw for remote controller holder optional Remote controller holder optional Drain joint for cooling heating models Seal for cooling heating models Mounting plate Manual Parts you must purchase separately Consult the dea...

Page 20: ... Plate Determine Wall Hole Position 1 2 3 Drill Wall Hole 4 At Least 6 15cm At least 6 15cm Mount Indoor Unit STEP 8 Wrap Piping and Cable not applicable for some locations in the US Connect Piping Prepare Drain Hose Connect Wiring not applicable for some locations in the US 4 5 6 7 8 9 At Least 6 15cm At least 64 163cm ...

Page 21: ...e requirement of local and national standards The installation may be slightly different in different areas Wall Mounting Plate Power Cable Some Units Refrigerant Piping Signal Cable Remote Controller Drainage Pipe Louver Remote controller Holder Some Units Functional Filter On Back of Main Filter Some Units Front Panel Outdoor Unit Power Cable Some Units 1 2 3 4 5 6 7 8 9 10 11 1 2 1 2 3 4 6 7 8 ...

Page 22: ...direct sunlight NOTE ABOUT WALL HOLE If there is no fixed refrigerant piping While choosing a location be aware that you should leave ample room for a wall hole see Drill wall hole for connective piping step for the signal cable and refrigerant piping that connect the indoor and outdoor units The default position for all piping is the right side of the indoor unit while facing the unit However the...

Page 23: ...e sure to avoid wires plumbing and other sensitive components Type A Type B 101mm 4in 179mm 7 05in 136mm 5 35in 37mm 1 45in 290mm 11 4in 49mm 1 95in Right rear wall hole 65mm 2 5in Indoor unit outline 722mm 28 45in 49mm 1 95in 228mm 8 98in 229mm 9 01in 401mm 15 78in 126mm 4 96in 42mm 1 65in 297mm 11 7in Left rear wall hole 65mm 2 5in Left rear wall hole 65mm 2 5in Left rear wall hole 65mm 2 5in Ri...

Page 24: ...d side Right hand side Left rear Right rear Knock out Panel CAUTION Be extremely careful not to dent or damage the piping while bending them away from the unit Any dents in the piping will affect the unit s performance Step 5 Connect drain hose By default the drain hose is attached to the left hand side of unit when you re facing the back of the unit However it can also be attached to the right ha...

Page 25: ...rmly connected Loose wiring can cause the terminal to overheat resulting in product malfunction and possible fire Do not let wires touch or rest against refrigerant tubing the compressor or any moving parts within the unit If the unit has an auxiliary electric heater it must be installed at least 1 meter 40in away from any combustible materials To avoid getting an electric shock never touch the el...

Page 26: ... on the back DRAIN HOSE MUST BE ON BOTTOM Make sure that the drain hose is at the bottom of the bundle Putting the drain hose at the top of the bundle can cause the drain pan to overflow which can lead to fire or water damage DO NOT INTERTWINE SIGNAL CABLE WITH OTHER WIRES While bundling these items together do not intertwine or cross the signal cable with any other wiring 2 Using adhesive vinyl t...

Page 27: ... pressure to the left and right hand sides of the unit The unit should not jiggle or shift 6 Using even pressure push down on the bottom half of the unit Keep pushing down until the unit snaps onto the hooks along the bottom of the mounting plate 7 Again check that the unit is firmly mounted by applying slight pressure to the left and the right hand sides of the unit If refrigerant piping is alrea...

Page 28: ... heavy winds See Figures below Strong wind Strong wind Strong wind If the unit is frequently exposed to heavy rain or snow Build a shelter above the unit to protect it from the rain or snow Be careful not to obstruct air flow around the unit If the unit is frequently exposed to salty air seaside Use outdoor unit that is specially designed to resist corrosion Wind Baffle Protected from prolonged pe...

Page 29: ...ubber seal see Fig B do the following 1 Insert the drain joint into the hole in the base pan of the unit The drain joint will click in place 2 Connect a drain hose extension not included to the drain joint to redirect water from the unit during heating mode Seal Drain joint A B Base pan hole of outdoor unit Seal IN COLD CLIMATES In cold climates make sure that the drain hose is as vertical as poss...

Page 30: ... 2 Pre drill holes for expansion bolts 3 Place a nut on the end of each expansion bolt 4 Hammer expansion bolts into the pre drilled holes 5 Remove the nuts from expansion bolts and place outdoor unit on bolts 6 Put washer on each expansion bolt then replace the nuts 7 Using a wrench tighten each nut until snug WARNING WHEN DRILLING INTO CONCRETE EYE PROTECTION IS RECOMMENDED AT ALL TIMES CAUTION ...

Page 31: ...clamp down tightly 7 Insulate unused wires with PVC electrical tape Arrange them so that they do not touch any electrical or metal parts 8 Replace the wire cover on the side of the unit and screw it in place 1 Remove the wire cover from the unit by loosening the 3 screws 2 Dismount caps on the conduit panel 3 Temperarily mount the conduit tubes not included on the conduit panel 4 Properly connect ...

Page 32: ...let substances or gases other than the specified refrigerant enter the unit The presence of other gases or substances will lower the unit s capacity and can cause abnormally high pressure in the refrigeration cycle This can cause explosion and injury 2 Using a pipe cutter cut the pipe a little longer than the measured distance 3 Make sure that the pipe is cut at a perfect 90 angle Oblique Rough Wa...

Page 33: ...alling into the pipe 2 Using a reamer or deburring tool remove all burrs from the cut section of the pipe Pipe Reamer Point down Step 3 Flare pipe ends Proper flaring is essential to achieve an airtight seal 1 After removing burrs from cut pipe seal the ends with PVC tape to prevent foreign materials from entering the pipe 2 Sheath the pipe with insulating material 3 Place flare nuts on both ends ...

Page 34: ... 0 78 23 2 23 7 0 91 0 93 18 20 180 200kgf cm 32 39 320 390kgf cm 49 59 490 590kgf cm 57 71 570 710kgf cm 67 101 670 1010kgf cm Ø 9 52 Ø 0 375 Ø 12 7 Ø 0 5 Ø 16 Ø 0 63 Ø 19 Ø 0 75 1 Unscrew the cover from the packed valve on the side of the outdoor unit 2 Remove protective caps from ends of valves 3 Align flared pipe end with each valve and tighten the flare nut as tightly as possible by hand 4 Us...

Page 35: ...m for at least 15 minutes or until the Compound Meter reads 76cmHG 10 Pa 2 3 4 5 5 6 Close the Low Pressure side of the manifold gauge and turn off the vacuum pump 7 Wait for 5 minutes then check that there has been no change in system pressure 8 If there is a change in system pressure refer to Gas Leak Check section for information on how to check for leaks If there is no change in system pressur...

Page 36: ...u h and 24000Btu h ADDITIONAL REFRIGERANT PER PIPE LENGTH Connective Pipe Length m Air Purging Method Additional Refrigerant Standard pipe length Vacuum Pump N A Standard pipe length Vacuum Pump Liquid Side Ø 6 35 ø 0 25 R32 Pipe length standard length x 12g m Pipe length standard length x 0 13oZ ft R290 R290 Pipe length standard length x 10g m Pipe length standard length x 0 10oZ ft Liquid Side Ø...

Page 37: ... Method Using a soft brush apply soapy water or liquid detergent to all pipe connection points on the indoor unit and outdoor unit The presence of bubbles indicates a leak Leak Detector Method If using leak detector refer to the device s operation manual for proper usage instructions AFTER PERFORMING GAS LEAK CHECKS After confirming that the all pipe connection points DO NOT leak replace the valve...

Page 38: ...the pressure of the refrigerant circuit will increase This may reveal leaks that were not present during your initial leak check Take time during the Test Run to double check that all refrigerant pipe connection points do not have leaks Refer to Gas Leak Check section for instructions 5 After the Test Run is successfully completed and you confirm that all checks points in List of Checks to Perform...

Page 39: ...ity for system impedance information This appliance MST2ABF 30CR QB9W can be connected only to a supply with system impedance no more than 0 085Ω In case necessary please consult your supply authority for system impedance information This appliance MSTABD 18CR QB8 can be connected only to a supply with system impedance no more than 0 188Ω In case necessary please consult your supply authority for ...

Page 40: ...mer The consumer must retain a receipted bill of sale as proof of warranty period Without this proof the express warranty begins on the date of shipment from the factory REMEDY PROVIDED BY THE LIMITED EXPRESS WARRANTY The sole remedy under the Limited Warranty is replacement of the defective part If replacement parts are required within the period of this warranty MARS replacement parts shall be u...

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