Mars Comfort-Aire Century A-VFH30QB-1 Installation & Operation Manual
Inverter multi zone ductless mini-split
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Also See for Comfort-Aire Century A-VFH30QB-1:
- Owner's manual (12 pages) ,
- Service manual (60 pages)
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Summary of Contents for Mars Comfort-Aire Century A-VFH30QB-1
- Page 1 Installation & Operation Manual VFH-B Series Inverter Multi Zone Ductless Mini-Split A-VFH30QB-1 A-VFH36QB-1 A-VFH42PB-1 www.marsdelivers.com...
- Page 2 Preface Preface (1) To guarantee personal safety when operating this system, please strictly follow the instructions listed in the manual. (4) The total capacity of the indoor units which run at the same time can not exceed that of the outdoor units;...
- Page 3 Installation & Operation Manual - VFH-B 30/36/42 Series User Notice User Notice This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Page 4 TRAY CABLE TYPE TC CABLE FOR INSTALLATION IN ACCORDANCE WITH ARTICLE 336 AND OTHER APPLICABLE PARTS OF THE NATIONAL ELECTRIC CODE. 600V (UL) E123517 DIRECT BURIAL SUNLIGHT RESISTANT PVC JACKET 10/25/16 RoHS Compliant BLACK MADE IN USA MARS part: 7603-900: 30’ 7603-901: 55’ 7603-902: 250’...
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Page 5: Table Of Contents
Contents Contents 1 Safety Precautions....................1 2 Product Introduction....................4 2.1 Name of Main Parts..........................4 2.2 Combinations for outdoor and indoor units ..................5 2.3 Rated working condition ........................6 2.4 The range of production working temperature..................6 3 Preparation before Installation ................... 7 3.1 Standard parts ............................ -
Page 6: Safety Precautions
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 1 Safety Precautions This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user. - Page 7 Inverterflex Series Inverterflex Series MARS responsible personal injury equipment damage caused improper insta llation and commission, unnecessary service and inability to follow the rules and instructions listed in this manual.
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Page 9: Product Introduction
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 2 Product Introduction 2.1 Name of Main Parts ① ② ③ ⑤ ④ A_VFH30QB-1 A-VFH36QB-1 A-VFH42PB-1 ① ② ③ ④ ⑤ Name Motor Electric Box Gas valve assembly Liquid valve assembly Fig1... -
Page 10: Combinations For Outdoor And Indoor Units
Inverterflex Series Inverterflex Series 2.2 Combinations for outdoor and indoor units Wall Mounted Duct Type Cassettle Type Flooring Ceiling Indoor Unit Indoor Unit Indoor Unit Indoor Unit Fig 2 See Fig.2 for Combinations for Outdoor and Indoor Units. For the Inverterflex series air conditioning syst em, one outdoor unit is able to drive up to five indoor units which can be cassette type, duct type, wall-mounted or floor ceiling type. -
Page 11: Rated Working Condition
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 2.3 Rated working condition Table 2 Indoor temperature Outdoor temperature Dry bulb temp.℉ Wet bulb temp.℉ Dry bulb temp.℉ Wet bulb temp.℉ Rating cooling 80.06 66.92 75.02 Rating Heating 69.98 60.08 43.00... -
Page 12: Preparation Before Installation
Inverterflex Series Inverterflex Series 3 Preparation before Installation 3.1 Standard parts Please use the following standard parts supplied by Comfort-Aire /Century Table 4 Pars of Outdoor Unit Number name picture Quantity Remark Owner's manual 30K:8 Tube 36K:8 adapter 42K:9 subassembly 3.2 Selecting installation site 1) Install the unit in a place that is adequate to withstand the weight of the unit and make sure the unit will not shake or fall off. -
Page 13: Piping Connection
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 3.3 Piping Connection The maximum pipe length is shown in the following table. When the distance between units (piping length) is out of the range listed below, normal operation of the unit can not be guaranteed. Table 5 Connecting Pipe (inch) Max. -
Page 14: Installation Instruction
Inverterflex Series Inverterflex Series 4 Installation Instruction 4.1 Outline and dimensions of the outdoor unit A-VFH30QB-1 Dimensions and Mounting holes 14 4/7 36 2/9 38 3/7 17 1/3 Unit:inch Fig 4 A-VFH36QB-1 A-VFH42PB-1 Dimensions and Mounting holes 14 1/4 42 1/2 17 1/3 24 5/6 Unit:inch... -
Page 15: Installation Of The Connection Pipe
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 4.2 Refrigerant Lines Refrigerant lines for indoor unit and outdoor unit in manifold mode. (As shown below). Fig 6 4.2.1 Piping between the Indoor and Outdoor Units (1) If the liquid and gas shut off valves A , B, C, D or E have not been connected to the indoor units, please remove the cap. - Page 16 Inverterflex Series Inverterflex Series Allowable Length and Height Fall of the Refrigerant Pipe Table 7 Allowable V alue A-VFH36QB-1 Fitting Pipe A-VFH30QB-1 A-VFH42PB-1 Total length (actual length) of fitting 229.6ft 246.1ft +…+L (M ≤5) pipe Length of farthest fitting pipe (ft) 82ft 82ft （X=1，2，3，4,5）...
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Page 17: Air Purging And Refrigerant Charge
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series After the pipe is insulated, never bend it to form a small angle; otherwise it will crack or break. (3)Wrap the Pipe with Tape： a. Bundle the refrigerant pipe and electric wire together with tape, and separate them from the drain pipe to prevent the condensate water overflowing. -
Page 18: Electric Wiring
Inverterflex Series Inverterflex Series (2) Calculation of the Additional Refrigerant Charge Additional Refrigerant Charge= (ΣLength of Liquid Pipeφ0.375×54+ΣLength of Liquid Pipeφ0.25× 22)-880 The biggest additional refrigerant charge value is 28 oz. It means that if the calculated value exceed 28 oz,, the additional refrigerant charge takes 28 oz., while the calculated value less than 28 oz., the additional refrigerant charge takes the calculated value. - Page 19 Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series A-VFH36QB-1 A-VFH42PB-1 Fig 12 4.4.2 Grounding Requirements (1) This air conditioner is classified into the Class I applia nces. Its grounding must be reliable. (2) The yellow-green line of the air conditioner is the ground line and can not be used for any other purpose, cut off or attached by tapping screw;...
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Page 20: Troubleshooting
Inverterflex Series Inverterflex Series 5 Troubleshooting 1) In the event of abnormal conditions (smells), please shut off the main power supply immediately and then contact the service center; otherwise the continuous abnormal running may damage the air conditioning unit and also could cause electric shock or fire hazard etc. 2) Do not repair the air conditioning personally. -
Page 21: The Conditions Listed Below Are Not Classified Into Errors
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 6 The conditions listed below are not classified into errors. Table 10 Conditions Causes Won't restart The overload protection switch of the unit causes startup delay for three minutes. The unit does not run The unit will stand by for approximately As soon as power is on. - Page 22 Inverterflex Series Inverterflex Series Mode conflict COOL and HEAT mode can When multiple indoor units run conflicting modes (HEAT not be operated at the same vs. COOL) the unit with the first call will take priority. time Any other indoor unit requesting a conflicting mode will display the mode conflict code until the first unit is finished.
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Page 23: Troubleshooting
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 7 Troubleshooting The error code will be displayed on the wired controller and the main board of the outdoor unit The meaning of each error, as shown in table 13. Table 12 The indicator display Name of malfunction... -
Page 24: Maintenance
Inverterflex Series Inverterflex Series 8 Maintenance Regular maintenance and care should be performed by professional personnel, which will prolong the unit life span. 8.1 Outdoor heat exchanger Outdoor heat exchanger is required to be cleaned once every two months. Use vacuum cleaner with nylon brush to clean up dust and sundries on the surface of heat exchanger. -
Page 25: After-Sales Service
Installation & Operation Manual - VFH-B 30/36/42 Series Inverterflex Series Inverterflex Series 9 After-sales Service In case the air-conditioning unit you bought has any quality issues or you have an inquiry, please contact your installer. Warranty should meet the following requirements: (1) First run of the unit should be operated by professional personnel. - Page 26 If for any reason the replacement part/product is no longer available during Ductless Mini-Split is installed as a complete matched system: outdoor unit the warranty period, MARS shall have the right to allow a credit in the and indoor unit, and only when the system is installed per MARS installation...
- Page 27 Installation & Operation Manual - VFH-B 30/36/42 Series THIS PAGE IS INTENTIONALLY LEFT BLANK...
- Page 28 1900 Wellworth Ave., Jackson, MI 49203 • Ph. 517-787-2100 • www.marsdelivers.com 12/2020...
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