Mars Comfort-Aire Century B-VFH09MB-1 Installation & Operation Manual
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Mars Comfort-Aire Century B-VFH09MB-1 Installation & Operation Manual

Inverter multi zone ductless mini-split
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Installation & Operation Manual
VFH-MB Series
Inverter Multi Zone Ductless Mini-Split
B-VFH09MB-1
B-VFH12MB-1
B-VFH18MB-1
B-VFH24MB-1
www.marsdelivers.com

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Summary of Contents for Mars Comfort-Aire Century B-VFH09MB-1

  • Page 1 Installation & Operation Manual VFH-MB Series Inverter Multi Zone Ductless Mini-Split B-VFH09MB-1 B-VFH12MB-1 B-VFH18MB-1 B-VFH24MB-1 www.marsdelivers.com...

  • Page 4: Table Of Contents

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series Table of Contents Part : Technical Information ...............5 1. Summary ........................5 ......................6 ......................6 ........................8 3. Outline Dimension Diagram ................9 4. Refrigerant System Diagram ...............10 5. Electrical Part ......................11 .........................11 .......................12 6. Function and Control ...................13 ..................13 ................18...

  • Page 5: Part : Technical Information

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series Part I : Technical Information 1. Summary Indoor Unit: Remote Controller: 30510138_L61437 MODE ON/OFF...
  • Page 6 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 208/230 208/230 9000 12000 9800 13000 430/394/359/312/271/241/224 430/394/359/312/271/241/224 1400/1050/1000/900/800/700/550 1450/1070/1000/900/800/700/550 1400/1150/1080/1030/980/900/850 1400/1150/1080/1030/980/900/850 0.07 0.07 3.15 3.15 42/36/34/32/28/24/21 43/36/34/32/28/24/22 52/46/44/42/38/34/31 53/46/44/42/38/34/32 24.25 24.25 28.66 28.66...
  • Page 7 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 208/230 208/230 559/512/465/418/371/330/282 647/589/530/471/412/353/294 3.80 5.28 1400/1300/1200/1100/1000/900/800 1400/1300/1200/1100/1000/900/800 1450/1350/1250/1150/1050/950/850 1350/1350/1250/1150/1050/900/800 0.10 0.38 3.15 3.15 51/47/44/41/38/36/33 52/49/47/45/43/41/38 61/57/54/51/48/46/43 62/59/57/55/53/51/48 30.9 38.6 38.6 47.4...
  • Page 8 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 2.2 Noise Curve B-VFH09MB-1/B-VFH12MB-1 Middle High Super High Indoor Fan Motor Rotating Speed B-VFH18MB-1/B-VFH24MB-1 Indoor fan motor rating speed...

  • Page 9: Outline Dimension Diagram

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 3. Outline Dimension Diagram 6 3/8 21 2/7 6 3/7 Φ2 1/6 Φ2 1/6 1 3/8 6 2/7 3 1/7 5 2/3 7 4/9 Φ2 3/4 Φ2 3/4 2 1/6 2 1/6 Φ1/2 4 2/3 1 3/4...

  • Page 10: Refrigerant System Diagram

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 4. Refrigerant System Diagram Outdoor Indoor filter A heat exchanger filter outdoor heat exchanger 4-way valve B heat exchanger filter high pressure switch Note: Not available for 14K/18K model discharge silencer C heat exchanger discharge temperature sensor filter...

  • Page 11: Electrical Part

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 5. Electrical Part 5.1 Wiring Diagram YEGN (optional) ROOM TEMP. TUBE TEMP. RECEIVER FAN MOTOR SENSOR SENSOR DISPLAY BOARD CONNECTOR MANUAL PANEL TERMINAL ROOM TUBE DISP1 DISP2 DC-MOTOR COM-INNER1 BLOCK N(1) N(1) COM-OUT AC-L PRINTED CIRCUIT BOARD...
  • Page 12 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 5.2 PCB Printed Diagram Top view Neutral wire DC fan Auto button Small up&down swing Left&right swing Big up&down swing Interface of wired controller Display interface Ambient temperature sensor 10 Tube temperature sensor Communication interface between indoor unit and outdoor unit 12 Interface of live wire...

  • Page 13: Function And Control

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 6. Function and Control 6.1 Remote Controller Introduction Buttons on Remote Controller ON/OFF button FAN button MODE button +/- button TURBO button button button CLOCK button TIMER ON/ TIMER OFF button TEMP button button (before opening cover (after opening cover...
  • Page 14 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 2. FAN button ATUO is Low fan speed only. Low fan Medium-low fan Medium fan Medium-high fan High fan 3. MODE button Under Heat mode, the initial value is 28 +/- button •...
  • Page 15 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 10. TEMP button will " with remote controller or no display, temperature indicator on indoor unit displays set temperature; when selecting " indoor ambient temperature; when selecting " " with remote controller Three seconds later it will return to the setting temperature When it goes beyond range, it keeps the...
  • Page 16 Installation & Operation Manual - VFH-MB 09/12/18/24 Series • – 1) Under Sleep 3 mode, press and hold "Turbo" button, remote control enters into sleep setting status, the time of remote control will display "1 hour", the temperature setting screen will display the corresponding temperature of last setting sleep curve and blink (The first entering will display according to the initial curve setting value from factory).
  • Page 17 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Operation Guide 1. General operation 2. Optional operation Replacement of Batteries in Remote Controller as shown in the fig, and then push out the cover of battery box along the arrow direction battery are correct.
  • Page 18 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 6.2 Brief Description of Modes and Functions Basic mode 1. Cooling mode 1) Under cooling mode, fan and swing operate at setting status. Temperature setting range is 16~30°C (61°~86°F). 2) During malfunction of outdoor unit or when stopping operation due to fault protection, indoor unit keeps original operation status and the corresponding malfunction code will be displayed.
  • Page 19 Installation & Operation Manual - VFH-MB 09/12/18/24 Series The small horizontal louver only operates under heating mode. Under other mode, the small horizontal louver always stays at the closed status; On the 9k/12k model, the small horizontal louver will start operation only when the big horizontal louver rotates to the second fixed angle (62°) under heating mode.
  • Page 20 Installation & Operation Manual - VFH-MB 09/12/18/24 Series remain OFF until reaching ON time. When reaching OFF time, the unit will be turned off automatically. The unit will repeat this pattern every 24 hours. If timer ON and timer OFF are the same, OFF command will prevail. 6.
  • Page 21 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 8°C (46°F) heating function is only valid under heating mode. After setting is accomplished, indoor unit displays 8°C (46°F). Turbo function cannot be set after setting operation time for the switchover between then then sleep mode will be...

  • Page 22: Notes For Installation And Maintenance

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series Part : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 9. If power cord or connection wire is broken, it must be be replaced by a qualified person. Important! 10.
  • Page 23 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the or system failure 2.

  • Page 24: Installation

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 8. Installation 8.1 Installation Dimension Diagram Space to the wall Space to the wall At least 6inch At least 6inch Drainage pipe...
  • Page 25 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Installation procedures Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes...
  • Page 26 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 8.2 Installation Parts-checking t h e with turn on Note: 8.3 Selection of Installation Location 2. Grounding Requirement: 1. Basic Requirement: Areas .12"in 2. Indoor Unit: 8.5 Installation of Indoor Unit 1. Choosing Installation Location 6.5 ft.
  • Page 27 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 3. Install Wall-mounting Frame 5. Connect the Pipe of Indoor Unit (As shown Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall 150mm 150mm above above Right...
  • Page 28 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 7. Connect Wire of Indoor Unit 8. Bind up Pipe and drain hose with the ba Panel Screw drain Wiring cover Indoor and outdoor power cord Indoor unit pipe Cable-cross Liquid hole pipe Band Drain hose...
  • Page 29 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 8.6 Check after Installation and Test Operation 1. Check after Installation secure performed a refrigerant , loss of capacity. Does power match failure, failure, refrigerant pipe failure, Has t failure, debris been Are t Have wall penetration...

  • Page 30: Maintenance

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 9. Maintenance 9.1 Error Code 1. Requirement of malfunction display 2. Malfunction display method 3. Malfunction display control 4. Viewing malfunction code through remote controller...
  • Page 31 Installation & Operation Manual - VFH-MB 09/12/18/24 Series...
  • Page 32 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 9.2 Procedure of Troubleshooting 1. Malfunction of Temperature Sensor F1, F2 Start Is the wiring terminal between temperature sensor and the controller loose or poorly connected? Insert the temperature sensor tightly Malfunction is eliminated.
  • Page 33 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 2. Malfunction of Blocked Protection of IDU Fan Motor H6 Spin the blade by hand with power disconnected Does the blade operate smoothly? Replace the main board with the same model interface terminal 1 and 2 within Test whether the voltage Replace the main...
  • Page 34 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 3. Malfunction of Protection of Jumper Cap C5 Troubleshooting for C5 malfunction Appearance of Is there a jumper cap on the jumper cap the main board ? Assemble the jumper cap with the same model Is malfunction eliminated...
  • Page 35 Installation & Operation Manual - VFH-MB 09/12/18/24 Series 4. E6 Malfunction Communication malfunction of some indoor units De-energize,check if the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Reconnect according to Did this eliminate the Connected correctly the wiring diagram...
  • Page 36 Installation & Operation Manual - VFH-MB 09/12/18/24 Series All the indoor units show communication malfunction De-energize,check if the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly Reconnect according to Did this eliminate Connected correctly? the malfunction? the wiring diagram...

  • Page 37: Exploded View And Parts List

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 10. Exploded View and Parts Lists Exploded View Model B-VFH09MB-1...
  • Page 38 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Replacement Parts Model B-VFH09MB-1 Location Part Name Quantity Part No. Front Panel 27230007938 Display Board 30565140 Filter Sub-Assembly 1112211602 Front Case Sub-Assembly 2001288902 Guide Louver 10512267 Guide Louver (small) 10512127 Crank 10582070 Helicoid Tongue Sub-Assembly 2611224404 Left Axle Bushing...
  • Page 39 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Exploded View Model B-VFH12MB-1...
  • Page 40 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Replacement Parts Model B-VFH12MB-1 Location Part Name Quantity Part No. Front Panel 27230007938 Display Board 30565140 Filter Sub-Assembly 1112211602 Front Case Sub-Assembly 2001288902 Guide Louver 10512267 Guide Louver (Small) 10512127 Crank 10582070 Helicoid Tongue Sub-Assembly 2611224404 Left Axle Bushing...
  • Page 41 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Exploded View Model B-VFH18MB-1...
  • Page 42 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Replacement Parts Model B-VFH18MB-1 Location Part Name Quantity Part No. Front Panel 27230007939 Display Board 30565141 Filter Sub-Assembly 1112209105 Screw Cover 24252016 Front Case 20012821 Guide Louver 10512283 Guide Louver (Small) 1051222601 Helicoid Tongue 2611236701 Left Axle Bushing...
  • Page 43 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Exploded View Model B-VFH24MB-1...
  • Page 44 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Replacement Parts Model B-VFH24MB-1 Location Part Name Quantity Part No. Front Panel 27230007940 Filter Sub-Assembly 11122136 Screw Cover 242520053 Front Case Sub-Assembly 20022004 Guide Louver 10512236 Small Guide Louver 1051223701 Swing Lever 2 1058211601 Air Louver 10512252...

  • Page 45: Removal Procedure

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series 11. Removal Procedure Caution: discharge the refrigerant completely before removal. Steps Procedure 1. Before disassembling the unit Before disassembling the unit. 2. Remove filter Open the panel. Loosen the clasps on filter, push the filter inward and then pull it upward, then the filter can be removed.
  • Page 46 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Steps Procedure Remove the rotating shaft of big guide louver from the groove, slightly bend thebig guide louver to remove it. big guide louver Remove the axial bushing of small guide louver. axial bushing Remove the rotating shaft of small guide louver from the groove, slightly bend the...
  • Page 47 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Steps Procedure panel, to remove the display. 5.Remove front case Remove the screws fixing electric box cover 2, to remove the electric box cover electric box cover 2 screw screw clamp Remove the screws fixing front panel, loosen the clamps, to remove the front case.
  • Page 48 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Steps Procedure 6.Remove swing fan blade Loosen the clamps fixing swing connecting rod, to remove the swing connecting rod. clamp swing connecting rod clamp remove the swing fan blade. swing fan blade 7.Remove electric box sub-assy heat exchanger thermistor Remove the indoor tube temp.
  • Page 49 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Steps Procedure to remove the cover. electric box cover electric box cover sub-assy screw Remove every wiring terminals, and remove the electric box cover sub-assy. 7.Remove evaporator sub-assy auxiliary piping pipe clamp Remove the screws fixing connection pipe clamp, to remove the connection pipe clamp.
  • Page 50 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Steps Procedure auxiliary piping Remove the screws fixing evaporator sub-assy, slightly regulate the tube, to remove the evaporator sub-assy. evaporator sub-assy 8.Remove cross fan blade and motor motor, to remove the motor. up&down swing motor to remove the motor.
  • Page 51 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Steps Procedure Remove the screws fixing motor clamp, to remove the motor clamp. screw motor clamp Remove the cross fan blade and motor. bearing cushion rubber base Remove the shafting bearing cushion rubber base cross fan blade motor...

  • Page 52: Appendix

    Installation & Operation Manual - VFH-MB 09/12/18/24 Series Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature 60.8 69/70 69.8 78/79 78.8 62/63 62.6 71/72 71.6 80/81 80.6 64/65 64.4 73/74 73.4...
  • Page 53 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe flaring is the main cause of refrigerant leakage. Please flare the pipe according to the following steps: Leaning Uneven Burr between Pipe Shaper Downwards...
  • Page 54 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) 138.1 18.75 138.2 3.848 208.4 1.071 128.6 69.8 17.93 3.711 210.2 1.039 121.6 71.6 17.14 141.8...
  • Page 55 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(20K) 181.4 25.01 138.2 5.13 208.4 1.427 171.4 69.8 23.9 4.948 210.2 1.386 162.1 71.6 22.85 141.8 4.773 1.346 153.3 73.4 21.85 143.6 4.605 213.8...
  • Page 56 Installation & Operation Manual - VFH-MB 09/12/18/24 Series Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(50K) 853.5 120.2 18.34 190.4 4.754 799.8 51.8 93.42 17.65 192.2 4.609 53.6 89.07 123.8 16.99 4.469 703.8 55.4 84.95 125.6 16.36 195.8 4.334 660.8...
  • Page 57 1900 Wellworth Ave., Jackson, MI 49203 • Ph. 517-787-2100 • www.marsdelivers.com 6/2018...

This manual is also suitable for:

Comfort-aire century vfh-mb seriesComfort-aire century b-vfh12mb-1Comfort-aire century b-vfh18mb-1Comfort-aire century b-vfh24mb-1Comfort-aire century b-vfh24mb-1-cy

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