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Summary of Contents for Mitsubishi Electric MXZ-2F52VGD
- Page 1 Split-type Air-Conditioner MXZ-2F52VGD MXZ-3F54VGD MXZ-4F71VGD Installation Manual For INSTALLER English • This manual only describes the installation of outdoor unit. When installing the indoor unit, refer to the installation manual of indoor unit.
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Page 2: Table Of Contents
Required Tools for Installation CONTENTS Phillips screwdriver Flare tool for R32, R410A Level Gauge manifold for R32, R410A 1. BEFORE INSTALLATION ............1 Scale Vacuum pump for R32, R410A 2. OUTDOOR UNIT INSTALLATION ..........7 Utility knife or scissors Charge hose for R32, R410A 3. - Page 3 / for per indoor unit / for difference *9 Voltage capacity supply connecting wire multi-system multi system MXZ-2F52VGD 15 A 20 m / 40 m 20 / 40 220 V - 60 Hz 3-core 4-core MXZ-3F54VGD 25 m / 50 m...
- Page 4 FREE SPACE REQUIRED AROUND OUTDOOR UNIT Obstacles above Front (blowing) side open When there is no obstacle in front and 100 or more As long as space indicated on the sides of the unit, it is allowed in the figure is provided, it 200 or more to install the unit where an obstacle is is allowed to install the unit...
- Page 5 1-4-1. Minimum installation area for Outdoor units If you unavoidably install a unit in a space where all four sides are blocked or there are depressions, confirm that one of these situations (A, B or C) is satisfied. Note: These countermeasures are for keeping safety not for specification guarantee. A) Secure sufficient installation space (minimum installation area Amin). Install in a space with an installation area of Amin or more, corresponding to refrigerant quantity M (factory-charged refrigerant + locally added refrigerant). M [kg] Amin [m²] Amin B) Install in a space with a depression height of [ 0.125 [m]. Height from the bottom of Height from the bottom of 0.125 [m] or less 0.125 [m] or less C) Create an appropriate ventilation open area.
- Page 6 1-4-2. Minimum installation area for Indoor units Install in a room with a floor area of Amin or more, corresponding to refrigerant quantity M (factory-charged refrigerant + locally added refrigerant). Install the indoor unit so that the height from the floor to the bottom of the indoor unit is h0; for wall mounted: 1.8 m or more; for ceiling suspended, cassette and ceiling concealed: 2.2 m or more; for floor standing : refer to indoor unit Installation manual. There are restrictions in installation height for each model, so read the installation manual for the particular unit. For wall mounted, ceiling suspended, cassette and concealed M [kg] Amin [m²] 15.5 h0 ] 1.8 [m]...
- Page 7 1-5. INSTALLATION DIAGRAM After the leak test, apply insulating material tightly so that there is no gap. Open as a rule More than 500 mm When the piping is to be attached to a wall containing metals (tin if the front and both plated) or metal netting, use a chemically treated wooden piece 20 sides are open mm or thicker between the wall and the piping or wrap 7 to 8 turns of...
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Page 8: Outdoor Unit Installation
1-6. DRAIN PIPING FOR OUTDOOR UNIT Please perform the drain piping work only when draining from one place. 1) Choose one hole to discharge drain and install the drain socket (1) to the hole. 2) Close the rest of the holes with the drain caps (2). 3) Connect the soft PVC hose (L) of 15 mm in the inside diameter on the market with the drain socket (1) and lead drain. Note: Install the unit horizontally. Do not use the drain socket (1) and the drain caps (2) in the cold regions. Drain may freeze and it makes the fan stop. The outdoor unit produces condensate during the heating operation. Select the installation place to ensure to prevent the outdoor unit and/or the grounds from being wet by drain water or damaged by frozen drain water. -
Page 9: Flaring Work And Pipe Connection
3. FLARING WORK AND PIPE CONNECTION 3-1. PRECAUTIONS FOR DEVICES THAT USE R32 REFRIGERANT • U se ester oil, ether oil, alkylbenzene oil (small amount) as 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 below. Make sure the insides of the pipes are clean and do not contain any harmful contaminants such as sulfuric compounds, oxidants, debris, or dust. -
Page 10: Purging Procedures, Leak Test, And Test Run
4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN 4-1. PURGING PROCEDURES AND LEAK TEST Compound pressure 1) Remove service port cap of stop valve on the side of the outdoor unit gauge (for R32, R410A) –0.101MPa Stop valve cap *4 to 5 turns gas pipe. (The stop valves are fully closed and covered in caps in (–760 mmHg) (Torque 21.5 to Pressure gauge their initial state.) - Page 11 4-3. REMOVING THE MAINTENANCE PANEL The setting of Dip Switch on the outdoor controller board can be changed without removing the front panel. Follow the procedures below to remove the maintenance panel and set the Dip Switch. 1) Remove screw(s) which fix the maintenance panel. 2) Remove the maintenance panel, and perform necessary settings. 3) Install the maintenance panel. Note: Make sure to fix the maintenance panel securely. Incomplete installation could cause malfunction.
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Page 12: Pumping Down
4-6. LOWERING THE OPERATION NOISE OF THE OUTDOOR UNIT • Description of the function: With this function, the operating noise of the outdoor unit can be lowered by reducing the operation load, for example, during nighttime in COOL mode. However, please note that the cooling and heating capacity may lower if this function is activated. * Changing the setting is required to activate this function. - Page 16 HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN VG79Y194H01...
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