Mitsubishi Electric NGMU-E - Manuals

Page 2 - : Indicates a part which must be grounded.

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 beforeconnecting this equipment to the power supply system. Warning: Describes precautions that must be observed to prevent danger of injury ordeath to t...

Page 3 - G H

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 theinside of the intake grille). Accessory name Q’ty 1 Washer 4 pcs 2 Pipe cover 1 pc Large size (For gas tubing)...

Page 4 - holding screws from the unit.; Installing the indoor unit; C B

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.S...

Page 5 - Installing the refrigerant piping; oil applied to the flared sections.; Use correct flare nuts meeting the pipe size of the outdoor unit.; Available pipe size; Die

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 t...

Page 6 - Installing procedures

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. ø26 PVC TUBE) to the joint sock...

Page 7 - transmission cables; mm; Wiring procedures

7 6.2. Power supply wiring (Fig. 6-2) Power cable size (diameter) : more than 1.6 mm (AWG14)Ground cable size (diameter) : 1.6 mm (AWG14)* Use copper supply wires.* Use the electric wires over the rating voltage 300 V. [Selecting non-fuse breaker (NF) or earth leakage breaker (NV)] To select NF or N...

Page 8 - Constraints on transmission cable; Outdoor unit; to; SWC

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 addressesExample: If Address is “3”, remain SW12 (for over 10) at “0”, and ...

Page 9 - D B

9 6. Electrical work F A H C D E G I I I H B B-1. B-2. Fig. 6-8 A AB TB6 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 Pro...

Page 12 - Printed in Japan

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. H E A D O F F I C E : M I T S U B I S H I D E N K I B L D G . , 2 - 2 - 3 , M A ...