Johnson Controls Hitachi MW-NP282A3 Installation Manual Download | Manualshive

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Summary of Contents for Hitachi MW-NP282A3

Page 1: ... manual may be reproduced in any way without the expressed written consent of Johnson Controls Hitachi Air Conditioning Ɣ This heat pump air conditioning unit will be operated and serviced in the United States of America and comes with a full complement of the appropriate Safety Danger and Caution warnings Ɣ If you have questions please contact your distributor or dealer Ɣ This manual provides com...

Page 2: ...inside the indoor or outdoor units All safety features disengagement and interlocks must be in place and functioning correctly before the equipment is put into operation If these devices are improperly adjusted or tampered with in any way a serious accident can occur Never bypass or jump out any safety device or switch Ɣ Johnson Controls Hitachi Air Conditioning will not assume any liability for i...

Page 3: ... DLU EDႉH ƕ A snowy area Install the outdoor unit on a raised platform that is higher than drifting snow Provide snow vents Ɣ R QRW LQVWDOO WKH XQLW LQ WKH IROORZLQJ SODFHV RLQJ VR FDQ UHVXOW LQ DQ H SORVLRQ UH GHIRUPDWLRQ FRUURVLRQ RU product failure ƕ SORVLYH RU ÀDPPDEOH DWPRVSKHUH ƕ KHUH D UH RLO VWHDP RU SRZGHU FDQ GLUHFWO HQWHU WKH XQLW VXFK DV QHDUE RU DERYH D NLWFKHQ VWRYH ƕ Where oil inclu...

Page 4: ... WKH XQLW V intended home country or market Johnson Controls Hitachi Air Conditioning distributors similarly are only authorized to provide refrigerants that have been approved for use in the countries or markets they serve The UHIULJHUDQW XVHG LQ WKLV XQLW LV LGHQWL HG RQ WKH XQLW V IDFHSODWH DQG RU LQ WKH DVVRFLDWHG PDQXDOV Q DGGLWLRQV RI UHIULJHUDQW LQWR WKLV XQLW PXVW FRPSO ZLWK WKH FRXQWU V U...

Page 5: ...door or outdoor units without turning OFF the main power supply Ɣ IWHU VWRSSLQJ RSHUDWLRQ EH VXUH WR ZDLW DW OHDVW YH PLQXWHV EHIRUH WXUQLQJ Rႇ WKH PDLQ SRZHU VZLWFK Otherwise water leakage or electrical breakdown may result Disconnect the power supply completely before attempting any maintenance for electrical parts Check to ensure that no residual voltage is present after disconnecting the power...

Page 6: ... Outdoor Unit To Indoor Unit To Main Piping ID 1 2 ID 1 4 ID 3 8 ID 3 8 ID 1 2 ID 1 2 To Outdoor Unit To Indoor Unit To Main Piping OD 1 1 8 ID 1 ID 5 8 ID 7 8 ID 3 4 ID 1 2 ID 3 8 OD 1 4 ID 5 8 OD 1 2 MW NP692A3 ID 1 2 ID 5 8 ID 1 1 8 ID 1 1 8 ID 1 ID 3 4 ID 7 8 ID 7 8 To Outdoor Unit To Indoor Unit To Main Piping ID 3 8 ID 3 4 ID 5 8 ID 1 2 ID 3 8 ID 1 2 ID 5 8 ID 5 8 ID 7 8 ID 1 4 To Outdoor Un...

Page 7: ...ard Downward Outdoor Unit Outdoor Unit Multi Kit Example Recommended From each Indoor Unit to Multi Kit use hard copper pipes that bend to prevent kinking Bending Pipe Connection Pipe Example Not Recommended Indoor Unit Straight piping does not allow for movement of the piping when it expands or contracts Hard Copper Piping will expand and contract due to temperature changes in piping Hard Copper ...

Page 8: ...W 3LSLQJ When installing pipe through the wall secure a cap at the end of the pipe Attach a cap or vinyl tape INCORRECT CORRECT INCORRECT CORRECT Do NOT place the pipe directly on the ground In case of rain attach a cap or put a plastic bag over the pipe end Attach a cap or vinyl tape INCORRECT CORRECT Attach a cap or plastic bag with rubber band Hole Rain water can enter inch mm Diameter A Min In...

Page 9: ...ld supplied insulation There should be no gaps showing After installation it is recommended that the customer retain this manual for future reference Ɣ 3HUIRUP LQVXODWLRQ ZRUN RQO ZKHQ WKH VXUIDFH WHPSHUDWXUH RI WKH SLSH PDWHULDO KDV FRROHG WR URRP temperature Anything done immediately after brazing can cause the insulation to melt Ɣ XULQJ SLSLQJ ZRUN DOZD V FRYHU RYHU RU SOXJ WKH RSHQ HQG WR NHHS...

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Page 12: ...P5416959 rev 2 2017 Hitachi Johnson Controls Air Conditioning Inc Code No LIT 1202411 Revised January 2020 ...

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