Midea MSH-18HRIN1 Installation Manual Download | Manualshive

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CS309-I

2200019589

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Summary of Contents for MSH-18HRIN1

Page 1: ...cord is damaged replacement work shall be performed by authorized personnel only Installation work must be performed in accordance with the national wiring standards by authorized personnel only Contact the authorised service technician for repair or maintenance of this unit ROOM AIR CONDITIONER INSTALLATION MANUAL ...

Page 2: ...lf Improper installation will cause water leakage electrical shock or fire Please consult authorized dealer or specialist for the installation work Please note fault caused by improper installation is not covered by warranty Unit must be installed in an easily accessible area Any additional cost required to hire a special equipment to service the unit will be the responsibility of the customer ...

Page 3: ...of the outdoor unit are not attached securely it could result in a fire or electrical shock due to dust water etc Perform electrical work according to the installation manual and be sure to use an exclusive circuit Be sure to use the part provided or specified parts for the installation work Perform the installation securely referring to the installation instruction Check that the refrigerant gas ...

Page 4: ...n exposure make sure that heat radiation from the condenser is not restricted Ensure that the clearance around the back of the unit is more than 30cm and left side is more than 30cm The front of the unit should have more than 200cm of clearance and the connection side right side should have more than 60cm of clearance Do not place animals and plants in the path of the air inlet or outlet Take the ...

Page 5: ...te controller holder 1 8 9 Remote Controller 7 Ensure that the space around the left and right of the indoor unit is more than 12cm The indoor unit should be installed allowing a minimum clearance of 15cm from the ceiling Use a stud finder to locate studs to prevent unnecessary damage to the wall A minimum pipe run of 3 metres is required to minimise vibration excessive noise The indoor unit shoul...

Page 6: ...ted 1 Determine hole positions according to the diagram detailed in Fig 5 Drill one 1 hole 65mm slanting slightly to outdoor side 2 Always use wall hole conduit when drilling metal grid metal plate or the like Wall Indoor Outdoor 5 7mm 12000Btu h model 18000Btu h Fig 6 270 370 878 659 133 40 40 270 27 6 55 55 39 Above 15cm from the ceiling Outline of the Indoor Unit Installation Plate Above 12cm f...

Page 7: ...from side to side to see that it is securely hooked 3 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 4 Push the lower part of the indoor unit up on the wall Then move the indoor unit from side to side up and down to check if it is hooked securely Fig 9 4 Indoor unit installation Fig 7 Fig 8 3 Conne...

Page 8: ... hose sloped downward to drain out the con densed water smoothly CAUTION Install the outdoor unit on a rigid base to prevent increasing noise level and vibration Determine the air outlet direction where the discharged air is not blocked In the case that the installation place is exposed to strong wind such as a seaside make sure the fan operating properly by putting the unit lengthwise along the w...

Page 9: ...ue 90 C Roughness Burr Main cause for refrigerant leakage is due to defect in the flaring work Carry out correct flaring work using the following procedure A Cut the pipes and the cable 1 Use the piping kit accessory or pipes purchased locally 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than the measured distance 4 Cut the cable 1 5m longer than t...

Page 10: ...300kgf cm 3430 350kgf cm Fig 19 Indoor unit tubing Flare nut Pipings Fig 18 ELECTRICAL WORK Electric safety regulations for the initial Installation 1 If there is serious safety problem about the power supply the technicians should refuse to install the air conditioner and explain to the client until the problem is solved 2 Power voltage should be in the range of 90 110 of rated voltage 3 The cree...

Page 11: ...of indoor unit To outdoor unit To outdoor unit Cord clamp L N S L N S Connect the cable to the outdoor unit 1 Remove the electric parts cover from the outdoor unit 2 Connect the connective cables to the terminals as identified with their respective matched numbers on the terminal block of indoor and outdoor units 3 To prevent the ingress of water from a loop of the connective cable as illustrated ...

Page 12: ...e means for disconnection from a power supply shall be incorporated in the fixed wiring and have an air gap contact separation of at least 3mm in each active phase conductors CAUTION CAUTION CAUTION CAUTION AIR PURGING Air and moisture in the refrigerant system have undesirable effects as indicated below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moist...

Page 13: ...3 Fully open the handle Lo of the manifold valve 4 Operate the vacuum pump to evacuate After starting evacuation slightly loose the flare nut of the Lo valve on the gas pipe side and check that the air is entering Operation noise of the vacuum pump changes and a compound meter indicates 0 instead of minus 5 After the evacuation is complete fully close the handle Lo of the manifold valve and stop t...

Page 14: ...eck 1 Soap water method Apply a soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connections by a soft brush to check for leakage of the connecting points of th piping If bubbles come out the pipes have leakage 2 Leak detector Use the leak detector to check for leakage ELECTRICAL SAFETY AND GAS LEAK CHECK TEST RUNNING Manual control Button AUTO COOL Perform te...

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