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Summary of Contents for Mitsubishi Electric MXZ-4F80VGD
- Page 1 Split-type Air-Conditioner MXZ-4F80VGD MXZ-5F100VGD 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 multi difference Voltage quency capacity supply ing wire multi-system system MXZ-4F80VGD 25 m / 70 m 25 / 70 220 V 60 HZ 3-core 4-core 25 A 15 m 1.0 / 1.5 mm 230 V 50 HZ 2.5 mm...
- Page 4 FREE SPACE REQUIRED AROUND OUTDOOR UNIT Obstacles above Front (blowing) side open When there is no obstacle in front and on As long as space indicated in the 100 or more figure is provided, it is allowed to 200 or more the sides of the unit, it is allowed to install the unit where an obstacle is above the install the unit where obstacles unit only if the space shown in the figure...
- 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. Make sure that the width of the open area is 0.9 [m] or more and the height of the open area is 0.15 [m] or more. However, the height from the bottom of the installation space to the bottom edge of the open area should be 0.125 [m] or less.
- 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. When installing 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] Wall mounted h0 ] 2.2 [m] h0 ] 2.2 [m]...
- Page 7 1-5. INSTALLATION DIAGRAM ACCESSORIES After the leak test, apply insulat- Check the following parts before installation. ing material tightly so that there (1) Drain socket is no gap. (2) Drain cap When the piping is to be attached to a wall containing metals (tin plated) or metal netting, use a chemically PARTS TO BE PROVIDED AT YOUR SITE treated wooden piece 20 mm or...
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Page 8: Outdoor Unit Installation
A → B → C → D → E → P → DR Connecting order MXZ-5F100VGD • Connect the terminal block in following order. A → B → C → D → P → DR MXZ-4F80VGD Terminal block for DRED interface Power supply Terminal block for indoor/outdoor unit... -
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. • U se 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. Always apply no-oxidation brazing when brazing the pipes, otherwise, the compressor will be damaged. -
Page 10: Purging Procedures, Leak Test, And Test Run
To maintain the high pressure of the gas cylinder, warm the gas cylinder with R32, R410A) warm water (under 40°C) during cold season. But never use naked fire or steam. Refrigerant gas cylinder for R32, R410A with Model Indoor unit siphon A – E MXZ-5F100VGD Refrigerant (liquid) A – D MXZ-4F80VGD Electronic scale for refrigerant charging... - Page 11 4-3. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER (COOL, DRY, HEAT) • Description of the function: With this function, once the operation mode is locked to either COOL/DRY mode or HEAT mode, the air conditioner operates in that mode only. * Changing the setting is required to activate this function. Please explain about this function to your customers and ask them whether they want to use it.
- Page 12 4-6. TEST RUN • Test runs of the indoor units should be performed individually. See the installation manual coming with the indoor unit, and make sure all the units operate properly. • If the test run with all the units is performed at once, possible erroneous connections of the refrigerant pipes and the indoor/outdoor unit connecting wires cannot be detected.
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Page 13: Pumping Down
5. PUMPING DOWN When relocating or disposing of the air conditioner, pump down the system following the procedure below so that no refrigerant is released into the atmosphere. 1) Turn off the breaker. 2) Connect the gauge manifold valve to the service port of the stop valve on the gas pipe side of the outdoor unit. 3) Fully close the stop valve on the liquid pipe side of the outdoor unit. 4) Turn on the breaker. 5) Start the emergency COOL operation on all the indoor units. 6) When the pressure gauge shows 0 – 0.05 MPa [Gauge] (approx. 0 – 0.5 kgf/cm ), fully close the stop valve on the gas pipe side of the outdoor unit and stop the operation. (Refer to the indoor unit installation manual about the method for stopping the operation.) ), or the protec- * If too much refrigerant has been added to the air conditioner system, the pressure may not drop to 0 – 0.05 MPa [Gauge] (approx. 0 – 0.5 kgf/cm tion function may operate due to the pressure increase in the high-pressure refrigerant circuit. - Page 16 HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN WG79A820H01...
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