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Mitsubishi Electronics NGMU-E manual

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Table of contents for the manual

  • Page 1

    INST ALLA TION MANUAL For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit. Air-Conditioners For Building Application INDOOR UNIT PCFY -P·NGMU- E[...]

  • Page 2

    2 s Before installing the unit, make sure you read all the “Safety precau- tions”. s Please report to your supply authority or obtain their consent before connecting this equipment to the power supply system. Warning: Describes precautions that must be observed to prevent danger of injury or death to the user . Caution: Describes precautions th[...]

  • Page 3

    3 2. Installation location 3. Installing the indoor unit 3.1. Check the indoor unit accessories (Fig. 3-1) The indoor unit should be supplied with the following accessories (contained in the inside of the intake grille). Accessory name Q ’ ty 1 Washer 4 pcs 2 Pipe cover 1 pc Large size (For gas tubing) 3 Pipe cover 1 pc Small size (For liquid tub[...]

  • Page 4

    4 Fig. 3-8 Fig. 3-5 Fig. 3-6 Fig. 3-7 3.2.5. Indoor unit preparation (Fig. 3-5) 1. Install the suspending bolts. (Procure the W3/8 or M10 bolts locally .) Predetermine the length from the ceiling ( 1 within 100 mm). A Ceiling surface B Suspending bolt C Suspending bracket 2. Remove the intake grille. Slide the intake grille holding knobs (at two lo[...]

  • Page 5

    5 4. Installing the refrigerant piping 4.1. Precautions 4.1.1. For devices that use R22 refrigerant • Use the refrigeration oil applied to the flared sections. • Use C1220 copper phosphorus, for copper and copper alloy seamless pipes, to connect the refrigerant pipes. Use refrigerant pipes with the thicknesses specified in the table to the belo[...]

  • Page 6

    6 Installing procedures (Fig. 5-2) 1. Attach the joint socket 5 supplied with the unit to the drain port on the unit with a vinyl chloride adhesive. 2. Fasten the socket cover 6 supplied with the unit to the joint socket 5 . 3. Attach the field drain tubing (VP20/O.D. ø 26 PVC TUBE) to the joint socket 5 with a vinyl chloride adhesive. 4. Wrap the[...]

  • Page 7

    7 6.2. Power supply wiring (Fig. 6-2) Power cable size (diameter) : more than 1.6 mm (A WG14) Ground cable size (diameter) : 1.6 mm (A WG14) * Use copper supply wires. * Use the electric wires over the rating voltage 300 V . [Selecting non-fuse breaker (NF) or earth leakage breaker (NV)] T o select NF or NV instead of a combination of Class B fuse [...]

  • Page 8

    8 6.4. Setting addresses (Fig. 6-6) (Be sure to operate with the main power turned OFF .) • There are two types of rotary switch setting available: setting addresses 1 to 9 and over 10, and setting branch numbers. 1 How to set addresses Example: If Address is “3”, remain SW12 (for over 10) at “0”, and match SW1 1(for 1 to 9) with “3”.[...]

  • Page 9

    9 6. Electrical work F A H C D E G I I I H B B-1. B-2. Fig. 6-8 A A B TB 6 B Fig. 6-7 J H Fig. 6-9 6.7. Remote controller 1) Installing procedures (1) Select an installing position for the remote controller . (Fig. 6-7) The temperature sensors are located on both remote controller and indoor unit. s Procure the following parts locally: T wo piece s[...]

  • Page 10

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  • Page 11

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  • Page 12

    Please be sure to put the contact address/telephone number on this manual before handing it to the customer. This product is designed and intended for use in the residential, commercial and light-industrial environment. HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN Printed in Japan BG79U668H01[...]