Mars A-VMH18DU-1 User Manual Download | Manualshive

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INSTALLATION MANUAL

UltraV Series Outdoor Units

Models

A-VMH18DU-1

A-VMH28TU-1

A-VMH36QU-1

A-VMH48PU-1

517.787.2100 • www.marsdelivers.com

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Summary of Contents for A-VMH18DU-1

Page 1: ...INSTALLATION MANUAL UltraV Series Outdoor Units Models A VMH18DU 1 A VMH28TU 1 A VMH36QU 1 A VMH48PU 1 517 787 2100 www marsdelivers com...

Page 2: ...Outdoor Unit Installation 12 Outdoor Unit Installation Instructions 12 Drain Joint Installation 14 Notes on Drilling Hole in Wall 14 When Select a 24K Indoor Unit 14 Table of Contents Installation Ma...

Page 3: ...Wiring 18 Outdoor Unit Wiring 18 Wiring Figure 20 Air Evacuation 24 Evacuation Instructions 24 Note on Adding Refrigerant 25 Safety And Leakage Check 26 Test Run 27 Function of Automatic Wiring Piping...

Page 4: ...G 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...

Page 5: ...er connector packed with the indoor or outdoor unit depending on models NOTE Pipe size may differ from appliance to appliance To meet different pipe size requirements sometimes the pipe connections ne...

Page 6: ...use means to accelerate the defrosting process or to clean other than those recommended by the manufacturer Only trained and certified technicians should install repair and service this air conditioni...

Page 7: ...tion Amount of refrigerant to be charged kg maximum installation height m Minimum room area m 2 048 2 2m 4 2 048 1 8m 4 2 048 0 6m 35 2 048 3 0 2 2m 4 2 048 3 0 1 8m 8 2 048 3 0 0 6m 80 3 0 2 2m 5 3 0...

Page 8: ...tself 2 Installation service maintenance and repair of this unit must be performed by a certified technician 3 Product uninstallation and recycling must be performed by a certified technician 4 If the...

Page 9: ...48PU 1 9 Installation Overview 3 L N 1 2 3 MC MC 4 5 INSTALLATION ORDER Install the outdoor unit Page 11 Evacuate the refrigeration system Page 23 Connect the wires Page 17 Connect the refrigerant pi...

Page 10: ...ways must be free from obstructions at all times Copper lines must be independently insulated Safety Precautions 1 2 3 5 4 1 Installation plate Clip anchor 1 Remote controller holder 5 4 3 2 The maxim...

Page 11: ...10m 32 8ft When installing multiple indoor units with a single outdoor unit ensure that the length of the refrigerant pipe and the drop height between the indoor and outdoor units meet the requiremen...

Page 12: ...the outdoor and indoor unit may not exceed the maximum allowable pipe length If possible DO NOT install the unit where it is exposed to direct sunlight If possible make sure the unit is located far a...

Page 13: ...25 2 405 15 95 990x965x345 38 98x38x13 58 624 24 58 366 14 4 946x810x420 37 2x31 9x16 53 673 26 5 403 15 87 946x810x410 37 2x31 9x16 14 673 26 5 403 15 87 952x1333x410 37 5x52 5x16 14 634 24 96 404 15...

Page 14: ...e components 3 Place the protective wall cuff in the hole This protects the edges of the hole and helps seal it when you finish the installation process M N P Minimum 4 Recommended 12 from back wall 6...

Page 15: ...rigerant Piping Connection Instructions CAUTION The branching pipe must be installed horizontally An angle of more than 10 may cause malfunction DO NOT install the connecting pipe until both indoor an...

Page 16: ...1 PIPING EXTENSION BEYOND FLARE FORM 8 Remove the flaring tool and flare form then inspect the end of the pipe for cracks and even flaring Pipe gauge Tightening torque Flare dimension A Unit mm Inch...

Page 17: ...s 10cm 3 9 Fig 7 8 6 After connecting the copper pipes to the indoor unit wrap the power cable signal cable and the piping together with binding tape NOTE DO NOT intertwine signal cable with other wir...

Page 18: ...be away from gas pipes water pipes lightning rods telephone or other grounding wires Improper grounding may cause electrical shock DO NOT connect the unit with the power source until all wiring and pi...

Page 19: ...l box cover 2 Remove the electric cover of the outdoor unit If there is no cover on the outdoor unit disassemble the bolts from the maintenance board and remove the protection board See Fig 8 1 Cover...

Page 20: ...nals as identified with their matching numbers on the terminal block of the indoor and outdoor units For example in the US models shown in the following diagram Terminal L1 A of the outdoor unit must...

Page 21: ...G TO A S B N A N B L B L L A N S A POWER SUPPLY TO B TO A S 2 S 1 Y G TO B TO C Y G L A N A S A L B N B S B L C N C S C POWER SUPPLY N L Y G TO A Model A Model B Model C Model D Model E Model F OPTION...

Page 22: ...A Model A Model B Model C Model D Model F Model E OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTION...

Page 23: ...percent of the rated voltage marked on the name plate Confirm that the cable thickness is as specified Always install an earth leakage circuit breaker in wet or moist areas The following can be caused...

Page 24: ...screw the cap from the packed valve high pressure valve If there is a change in system pressure there may be a gas leak 8 Insert hexagonal wrench into the packed valve high pressure valve and open the...

Page 25: ...2 one twin models N 3 one three models N 4 one four models Depending on the length of connective piping or the pressure of the evacuated system you made need to add refrigerant Refer to table below f...

Page 26: ...ff the unit immediately if leakage happens Try and evaluate different solutions until the unit operates properly Gas leak check 1 Soap water method Apply a soap water solution or a liquid neutral dete...

Page 27: ...nd gas stop valves 2 Turn on the main power switch and allow the unit to warm up 3 Set the air conditioner to COOL mode 4 For the Indoor Unit a Ensure the remote control and its buttons work properly...

Page 28: ...erly connected How To Activate This Function 1 Check that outside temperature is above 41 F This function does not work when outside temperature is not above 41 F 2 Check that the stop valves of the l...

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