COMFORT-AIRE A-VFH30QB-1 Installation & Operation Manual Download | Manualshive

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Installation & Operation Manual -

VFH-B 30/36/42 Series

4

Inverterflex Series

3

2 Product Introduction

2.1 Name of Main Parts

① ②

③

④

⑤

A_VFH30QB-1

A-VFH36QB-1

A-VFH42PB-1

NO.

①

②

③

④

⑤

Name

Motor

Fan

Electric Box

Gas valve assembly

Liquid valve assembly

Fig1

Inverterflex Series

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Summary of Contents for A-VFH30QB-1

Page 1: ...www marsdelivers com Installation Operation Manual VFH B Series Inverter Multi Zone Ductless Mini Split A VFH30QB 1 A VFH36QB 1 A VFH42PB 1 ...

Page 2: ...fan will still run for 20 70 seconds after the indoor unit receives the stop signal so as to make full use of after heat for the next operation 7 When the running modes of the indoor and outdoor units conflict it will be indicated on the display of the wired controller in five seconds and then the indoor unit will stop In this case they can return to normal condition by harmonizing their running m...

Page 3: ... 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 Children should be supervised to ensure that they do not play with the appliance DISPOSAL Do not dispose this product as unsorted municipal waste Collection of such waste separately for special treatment is necessary User Notice ...

Page 4: ...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 ELECTRIC CODE 600V UL 123517 DIRECT BURIAL SUNLIGHT RESISTANT PVC JACKET MARS part 7603 900 30 7603 901 55 7603 902 250 IO lS 16 RoHS Compliant MADEINUSA BLACK ...

Page 5: ...7 3 2 Selectinginstallation site 7 3 3 Piping Connection 8 4 Installation Instruction 9 4 1 Outline and dimension of the outdoor unit 9 4 2 Installation of the Connection Pipe 10 4 3 Air Purging and Refrigerant Charge 12 4 4 Electric Wiring 13 5 Troubleshooting 15 6 The conditions listed below are not classified into errors 16 7 Troubleshooting 18 8 Maintenance 19 8 1 Outdoor heatexchanger 19 8 2 ...

Page 6: ...n order to avoid accidents 9 Always comply with the nitrogen charge requirements Charge nitrogen when welding pipes 10 Never short circuit or cancel the pressure switch to prevent unit damage 11 Please firstly connect the wired controller before energization otherwise wired controller can not be used 12 Before using the unit please check if the piping and wiring are correct to avoid water leakage ...

Page 7: ...es 2 Inverterflex Series 2 MARS is not responsible for personal injury or equipment damage caused by improper installation and commission unnecessary service and inability to follow the rules and instructions listed in this manual Inverterflex Series ...

Page 8: ...ATTENTION When using a mini split condensate pump on a multi head system the pump must be on a separate electrical circuit Do not access power from the indoor unit 3 ...

Page 9: ...ual VFH B 30 36 42 Series 4 Inverterflex Series 3 2 Product Introduction 2 1 Name of Main Parts A_VFH30QB 1 A VFH36QB 1 A VFH42PB 1 NO Name Motor Fan Electric Box Gas valve assembly Liquid valve assembly Fig1 Inverterflex Series ...

Page 10: ...oor unit will run as long as any one indoor unit receives the running command and all indoor units stop once the outdoor unit is turned off Table 1 Energy Level and Capacity Code of the Indoor Indoor unit Model Capacity Code Outdoor unit Wall mounted B VFH09MB 1 A VFH18DB 1 A VFH24TB 1 A VFH30QB 1 A VFH36QB 1 A VFH42PB 1 B VFH12MB 1 B VFH18MB 1 B VFH24MB 1 B VFH09UA 1 B VFH12UA 1 B VFH18UA 1 B VFH...

Page 11: ... 69 98 60 08 47 43 00 NOTICE 1 The parameters below are tested under rated working condition If there is any change to them please refer to the nameplate 2 The parameters of heating capacity of indoor unit for heat pump 3 The performance parameters below are tested according to standard ANSI AHRI 1230 2010 2 4 Operational temperatures Table 3 Cooling Working range Outdoor temperature 0 118 Heating...

Page 12: ...t shake or fall off 2 Try to avoid exposing the unit to direct sunshine and rainfall 3 Try to keep the unit away from combustible flammable and corrosive gas or exhaust gas 4 Leave some space for heat exchanging and servicing so as to guarantee normal operation 5 Keep the indoor and outdoor units close to each other as much as possible within design parameters 6 Never allow children to approach th...

Page 13: ...nce between Indoor Unit and Outdoor Unit ft Liquid Gas A VFH30QB 1 Ф1 4 Φ3 8 229 6 When the outdoor unit is above maximum height difference between indoor and outdoor units is up to 49 2ft When the indoor unit is above maximum height difference between indoor and outdoor units is 49 2ft A VFH36QB 1 Ф1 4 Ф3 8 246 1 A VFH42PB 1 Ф1 4 Ф3 8 246 1 NOTICE 1 Use water proof pipe insulation 2 Wall thicknes...

Page 14: ...struction 4 1 Outline and dimensions of the outdoor unit A VFH30QB 1 Dimensions and Mounting holes Unit inch 38 3 7 36 2 9 17 1 3 14 4 7 31 24 15 5 7 Fig 4 A VFH36QB 1 A VFH42PB 1 Dimensions and Mounting holes Fig 5 40 42 1 2 24 5 6 17 1 3 14 1 4 15 3 4 43 3 7 Unit inch 9 Inverterflex Series ...

Page 15: ...never pull any joints of the indoor unit by force otherwise the capillary pipe or other pipe may crack which would then result in leakage 2 The refrigerant pipe should be supported by brackets 3 If the piping connection size of outdoor unit does not match the piping connection size of indoor unit use the piping connection dimension of indoor adapter Pipe adapters ship with indoor and outdoor units...

Page 16: ...t difference between indoor units ft 24 6ft 24 6ft H2 b a e d c L4 L3 L2 L5 L1 Outdoor uni t Height difference between indoor unit and outdoor unit H1 Height difference between indoor units H2 Indoor unit Indoor unit Equivalent length of the farthest fitting pipe Lx Fig 8 4 2 3 Installation of the pipe insulation 1 The refrigerant pipe should be insulated in order to prevent condensation and water...

Page 17: ...nd Refrigerant Charge 4 3 1 Air purging 1 Refrigerant has been charged into the outdoor unit before shipment though additional refrigerant may still need be charged into the refrigerant pipe during the field installation 2 Check that the liquid valve and the gas valve of the outdoor unit are closed fully 3 As shown in the following figure Fig 10 evacuate the indoor unit and refrigerant pipe using ...

Page 18: ...an be used 3 Do not pull the power cord by force 4 The electric installation should be carried out by the technician as instructed by the local laws regulations and also this manual 5 The diameter of the power cord should be large enough and once it is damaged it must be replaced with same value 6 The grounding should be reliable and the earth wire should be connected to the dedicated ground of th...

Page 19: ...Please follow all piping and wiring instructions 3 The electric installation should be carried out by the technician as instructed by the local laws regulations and also this manual 4 The installation location should be dry and not exposed to direct sunlight or strong winds 5 Install a breaker in the circuit that can shut off the main power supply of the system coupled with current leakage protect...

Page 20: ...akage test It may cause insufficient cooling heating capacity and damage unit Did you provide proper thermal insulation It may causecondensation and dripping Does the unit drain well It may causecondensation and dripping Is the voltage in accordance with the rated voltage specified on the nameplate It may cause malfunction or damage the unit Is the electric wiring and piping connection installed c...

Page 21: ...s please contact your service center and show phenomena and models Following circumstance are not a malfunction Table 11 Malfunction Reason Unit doesn t run When unit is started immediately after it is just turned off Overload protection switch makes it run after a 3 minute delay When power is turned on Standby operation for about 1 minute Mist comes from the unit Under cooling Indoor high humidit...

Page 22: ...T vs COOL the unit with the first call will take priority Any other indoor unit requesting a conflicting mode will display the mode conflict code until the first unit is finished At that time these units will take control and the conflict code on the display or wired controller will cease COOL mode does not conflict with DRY mode and FAN mode does not conflict with any mode 17 Inverterflex Series ...

Page 23: ... Over burden Flash 3 times Outdoor ambient sensor malfunction Flash 6 times Outdoor tube sensor malfunction Flash 5 times Exhaust sensor malfunction Flash 7 times Attain the temperature of switch on Flash 8 times Frequency limit power Flash 13 times Outdoor fan malfunction Flash 14 times Frequency limit PFC module temperature Flash 15 times PFC module sensor malfunction Flash 16 times Liquid pipe ...

Page 24: ...e indoor outdoor unit is clogged 2 Check if the ground wire is earthed reliably 3 Check if battery of remote wireless controller has been replaced 4 Check if the filter screen has been set soundly 5 After long period of shutdown open the main power switch 8 hours before re operating the unit so as to preheat the compressor crankcase 6 Check if the outdoor unit is installed firmly If there is somet...

Page 25: ...nstaller Warranty should meet the following requirements 1 First run of the unit should be operated by professional personnel 2 Only Comfort Aire Century manufactured accessories can be used on this machine 3 All the instructions listed in this manual should be followed 4 Warranty will be automatically invalid if the end user installer or servicer fails to obey any item mentioned above 20 Inverter...

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