MAXA MI26A1 Technical & Service Manual Download Page 1

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MAXA

DC Fan Coil Unit

Wall-mounted

Technical Service Manual

MAXA

reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.

MI26A1

MI35A1

MI42A1

Summary of Contents for MI26A1

Page 1: ... Fan Coil Unit Wall mounted Technical Service Manual MAXA reserves the right to discontinue or change specification or designs at any time without notices and without incurring obligations MI26A1 MI35A1 MI42A1 ...

Page 2: ... Fan Coil Unit 1 External Appearance 2 2 Features 3 3 Product lineup 3 4 Accessories 4 5 Specifications 5 6 Capacity table 9 7 Dimension 36 8 Sound Levels 41 9 Service Spaces 41 10 Wiring Diagrams 39 11 Trouble shooting 40 12 Installation 42 ...

Page 3: ...MAXA DC Fan Coil Unit 2 1 External Appearance type panel ...

Page 4: ...hless DC motor the DC motor efficiency is up to 90 The power consumption of DC FCU can be reduced by more than 30 in contrast to the corresponding AC FCU DC brushless motor The motor adopts fully enclosed structure design it is energy saving of high operating efficiency and durable motor The motor bearing can operate 80 000 hours continuously and easy for maintenance Low noise Advanced 3 D spiral ...

Page 5: ...n board Plastic expanded tube 8 Wrapping tape 1 Drain pipe 1 Wall conduit cover 1 Remote controller Its Frame 1 Remote controller R05 BGE 1 Frame 2 Mounting screw ST2 9x10 C H 2 Alkaline dry batteries Remote controller manual 1 Seet gasket 4 For conner water pipe 4 2 Optional accessories Accessory name Qty Shape Usage Wired controller KJR 12B D 1 Wired control Central controller CCM03 1 Central co...

Page 6: ...evel H M L dB A 32 30 27 45 39 35 Rated current A 0 2 0 4 Fan motor Type DC Motor DC Motor Quantity 1 1 Fan Type Tangential fan Tangential fan Quantity 1 1 Coil Row 2 Max Working pressure MPa 1 6 Coil length x height mm 635x26 74 Fin spacing mm 1 5 Fin type Hydrophilic aluminium Number of circuits 5 Diameter mm Φ7 Body Net dimensions W H D mm 915 290 230 915 290 230 Packing size W H D mm 1020 390 ...

Page 7: ...e DC Motor Quantity 1 Fan Type Tangential fan Quantity 1 Coil Row 2 Max Working pressure MPa 1 6 Coil length x height mm 785x26 74 Fin spacing mm 1 5 Fin type Hydrophilic aluminium Number of circuits 7 Diameter mm Φ7 Body Net dimensions W H D mm 1072 315 230 Packing size W H D mm 1180 415 315 Net weight kg 15 1 Gross weight kg 19 Pipe connection Water inlet outlet pipe inch RC3 4 Drain pipe mm ODΦ...

Page 8: ... Type Quantity 1 1 Coil Row Max Working pressure MPa Coil length x height mm Fin spacing mm Fin type Hydrophilic aluminium Number of circuits Diameter mm Body Dimensions W H D mm 915 290 210 915 290 210 Packing W H D mm 1020 385 300 1020 385 300 Net weight kg 12 12 Gross weight kg 15 6 15 6 Pipe connection Water inlet outlet pipe inch Drain pipe mm Note 1 H high speed M medium speed L low speed 2 ...

Page 9: ...2 Max Working pressure MPa 1 6 Coil length x height mm 785x26 74 Fin spacing mm 1 5 Fin type Hydrophilic aluminium Number of circuits 7 Diameter mm Φ7 Body Dimensions W H D mm 1070 315 210 Packing W H D mm 1180 410 300 Net weight kg 14 7 Gross weight kg 18 6 Pipe connection Water inlet outlet pipe inch RC3 4 Drain pipe mm ODΦ20 Note 1 H high speed M medium speed L low speed 2 Cooling Conditions En...

Page 10: ... 72 2 29 2 22 0 49 16 68 2 48 2 48 0 53 19 15 19 3 07 1 4 0 66 27 56 3 05 1 66 0 66 27 3 3 04 1 92 0 65 27 06 3 2 18 0 65 26 53 2 88 2 39 0 62 24 71 20 3 47 1 37 0 75 33 93 3 45 1 64 0 74 33 69 3 44 1 91 0 74 33 39 3 41 2 16 0 73 32 96 3 31 2 39 0 71 31 26 5 15 1 5 1 41 0 26 4 81 1 67 1 67 0 29 6 42 1 91 1 91 0 33 8 32 2 16 2 16 0 37 10 28 2 4 2 4 0 41 12 35 17 2 12 1 34 0 36 9 95 2 11 1 61 0 36 9...

Page 11: ...0 52 17 51 1 87 1 83 0 54 18 43 4 15 0 71 0 71 0 15 1 46 0 97 0 97 0 21 2 84 1 22 1 22 0 26 5 44 1 48 1 48 0 32 7 56 1 73 1 73 0 37 9 86 17 0 72 0 72 0 15 1 48 0 97 0 97 0 21 2 84 1 22 1 22 0 26 5 44 1 48 1 48 0 32 7 56 1 73 1 73 0 37 9 86 19 1 17 0 66 0 25 4 97 1 18 0 94 0 25 5 03 1 31 1 25 0 28 6 13 1 49 1 49 0 32 7 68 1 73 1 73 0 37 9 87 20 1 91 0 77 0 36 9 24 1 56 0 91 0 34 8 26 1 56 1 18 0 34...

Page 12: ...29 52 3 47 3 47 0 75 33 93 19 4 16 1 9 0 89 46 37 4 13 2 27 0 89 45 82 4 11 2 65 0 88 45 42 4 09 3 03 0 88 45 12 4 06 3 4 0 87 44 57 20 4 68 1 85 1 01 57 02 4 67 2 24 1 01 56 82 4 65 2 61 1 56 24 4 62 2 99 1 55 81 4 6 3 37 0 99 55 33 5 15 2 04 1 98 0 35 9 37 2 31 2 31 0 4 11 55 2 65 2 65 0 46 14 61 3 01 3 01 0 52 18 05 3 35 3 35 0 58 21 78 17 2 82 1 84 0 48 16 19 2 83 2 23 0 49 16 28 2 88 2 64 0 4...

Page 13: ...1 75 0 68 28 01 2 41 2 15 0 69 28 69 2 57 2 57 0 74 32 08 4 15 0 98 0 98 0 21 2 97 1 34 1 34 0 29 6 43 1 7 1 7 0 37 9 61 2 06 2 06 0 44 13 27 2 41 2 41 0 52 17 39 17 0 99 0 99 0 21 3 11 1 34 1 34 0 29 6 43 1 7 1 7 0 37 9 62 2 06 2 06 0 44 13 28 2 41 2 41 0 52 17 39 19 1 97 1 05 0 42 12 3 1 58 1 3 0 34 8 48 1 77 1 76 0 38 10 28 2 06 2 06 0 44 13 35 2 41 2 41 0 52 17 4 20 2 34 0 95 0 49 16 2 08 1 26...

Page 14: ... 82 19 4 93 2 24 1 06 86 79 4 9 2 67 1 06 85 88 4 88 3 1 1 05 85 16 4 85 3 53 1 05 84 27 4 72 3 91 1 02 80 33 20 5 56 2 2 1 2 106 9 5 54 2 64 1 2 106 3 5 51 3 07 1 19 105 3 5 48 3 49 1 18 104 4 5 39 3 89 1 16 101 33 5 15 2 43 2 29 0 42 17 45 2 71 2 71 0 47 20 98 3 09 3 09 0 53 26 26 3 49 3 49 0 6 32 39 3 89 3 89 0 67 39 02 17 3 4 2 17 0 59 30 95 3 4 2 61 0 59 30 96 3 42 3 06 0 59 31 23 3 58 3 56 0...

Page 15: ... 49 0 83 54 73 3 02 2 97 0 87 58 64 4 15 1 15 1 15 0 25 6 63 1 57 1 57 0 34 11 64 1 98 1 98 0 43 17 3 2 39 2 39 0 52 23 82 2 8 2 8 0 6 31 16 17 1 17 1 17 0 25 6 93 1 57 1 57 0 34 11 64 1 98 1 98 0 43 17 31 2 39 2 39 0 52 23 83 2 8 2 8 0 6 31 17 19 1 89 1 07 0 41 15 95 1 9 1 52 0 41 16 1 2 11 2 03 0 45 19 15 2 41 2 41 0 52 24 18 2 8 2 8 0 6 31 19 20 3 19 1 28 0 61 31 8 2 5 1 47 0 54 25 63 2 5 1 92 ...

Page 16: ...5 0 69 23 19 3 67 0 64 20 38 3 39 0 59 17 75 6 4 15 0 6 18 48 3 87 0 56 16 35 3 59 0 52 14 34 3 31 0 48 12 45 8 3 99 0 43 10 54 3 71 0 4 9 29 3 43 0 37 8 1 3 15 0 34 7 10 3 83 0 33 6 72 3 54 0 31 5 89 3 26 0 28 5 11 2 98 0 26 4 38 12 3 66 0 26 4 58 3 37 0 24 3 99 3 09 0 22 3 44 2 81 0 2 2 92 55 5 4 91 0 86 33 32 4 63 0 81 30 4 34 0 76 26 86 4 06 0 71 23 89 6 4 84 0 7 23 61 4 55 0 66 21 24 4 27 0 6...

Page 17: ...79 6 72 0 49 12 47 6 32 0 46 11 22 5 93 0 43 10 02 MI42A1 EWT ΔT Indoor temperature D B 16 18 20 22 TH WF WPD TH WF WPD TH WF WPD TH WF WPD kW m3 h kPa kW m3 h kPa kW m3 h kPa kW m3 h kPa 40 5 4 65 0 8 44 65 4 2 0 73 37 39 3 75 0 65 30 73 3 3 0 57 24 66 6 4 52 0 65 31 08 4 07 0 59 25 9 3 62 0 52 21 15 3 17 0 46 16 83 8 4 26 0 46 17 14 3 8 0 41 14 11 3 35 0 36 11 35 2 89 0 31 8 85 10 3 98 0 34 10 4...

Page 18: ...MAXA DC Fan Coil Unit 36 7 Dimension ...

Page 19: ...MAXA DC Fan Coil Unit 37 7 2 S type panel MI35A1 MI42A1 ...

Page 20: ...MAXA DC Fan Coil Unit 38 8 Sound Levels Unit Number Model Noise level under three speeds of fan dB A H M L 1 MI26A1 32 30 27 3 MI35A1 45 39 35 4 MI42A1 38 34 30 9 Service Spaces ...

Page 21: ...e ENC2 and ON OFF of the SW1 mean the addresses of the different units respectively FP 42 5BM ON 1 2 3 4 NOTE The functions in the dashed rectangle are available for particular air conditioner FP 51BM ON 1 2 3 4 FP 68BM ON 1 2 3 4 FP 85BM ON 1 2 3 4 FP 102BM ON 1 2 3 4 MAXA DC Fan Coil Unit ...

Page 22: ...is reliable Replace switch Reinstall chip or install other chip with same model on the faulty unit to check whether there is something wrong with chip Replace mainboard OK OK OK OK Exist Exist Error E2 T2 evaporator sensor malfunction T2 connecting wire between sensor and mainboard gets loose Temperature sensor is short circuited or punctured Chip fault or chip foot sheds off or chip is inverted c...

Page 23: ...sheds off or chip is inverted correct mode is semicircular bent alignment Mainboard error for example getting wet Reconnect and ensure that the connection is reliable Replace sensor Reinstall chip or install other chip with same model on the faulty unit to check whether there is something wrong with chip Replace mainboard OK OK OK OK Exist Exist Error MAXA DC Fan Coil Unit ...

Page 24: ...direction of the fluid flow For electrical work follow the local national wiring standard regulation and this installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect in electrical work it will cause electrical shock fire Use the specified cable and connect tightly and clamp the cable so that no external force will be act...

Page 25: ... power supply wiring and connecting wires at least 1 meter away from televisions or radios in order to prevent image interference or noise Depending on the radio waves a distance of 1 meter may not be sufficient enough to eliminate the noise The appliance is not intended for use by young children or infirm persons without supervision Don t install the air conditioner in the following locations The...

Page 26: ...ay cause trouble If it is unavoidable please consult with the local dealer A place full of machine oil A saline place such as coast A place full of sulfide gas such as hot spring resort Places where there are high frequency machines such as wireless equipment welding Machine and medical facility A place there is no combustive gases and volatile matter A place of special environmental conditions In...

Page 27: ...unting screws Fix the installation board on the wall Right installation False installation II Drilling a hole Determine the pipe hole position using the installation board and drill the pipe hole N95mm so it slants slightly downward Always use a wall hole conduit when piercing metal lath ply wood or metal plate 12 3 3 Connective Pipe and Drainage Installation I Drainage Run the drain hose sloping ...

Page 28: ...on drain hose insulate the connecting part of extension drain hose with a shield pipe II Connection pipe For the left hand and rear left hand piping install the piping as shown Bend the connective pipe to be laid at 43mm height or less from the wall ...

Page 29: ... 12 4 Indoor Unit Installation Pass the piping through the hole in the wall Put the claw at the back of the indoor unit on the hook of the installation board move the Indoor Unit from side to side to see that it is securely hooked Piping can easily be made by lifting the indoor unit with a cushioning material between the indoor unit and the wall Get it out after finish piping Push the lower part o...

Page 30: ...e first debugging completely expel air from coils via expelling valve 12 5 Wiring Caution The reserved function is indicated in broken line table users can select it when necessary a Take out the faceplate then dismantle the display cover plate b Individual connects the power cord and signal line adjusts the dial switch 3 way valve 4 ports discharge valve conector ...

Page 31: ...Note The air conditioners can connect with Central Control Monitor CCM Before operation please wiring correctly and set system address and network address of indoor units Single phase indoor unit Please adopt the shielded twisted pair wire and connect the shielded layer to E MAXA DC Fan Coil Unit ...

Page 32: ...roken line table users can purchase the wire controller when necessary 12 5 2 Network address set Every air conditioner in network has only one network address to distinguish each other Address code of air conditioner in LAN is set by code switch on Network Interface Module NIM and the set range is 0 63 ...

Page 33: ...ITIO NIN G Via S Giuseppe Lavoratore 24 Loc La Macia Z A I 37040 Arcole Verona Italy Tel 39 045 76 36 585 r a Fax 39 045 76 36 551 r a E mail info advantixspa it Export Department Tel 39 045 47 50 441 www maxa it ...

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