Daikin 4MXL36TVJU Installation Manual
R410a split series
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Summary of Contents for Daikin 4MXL36TVJU
- Page 1 DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R410A Split Series Installation manual Manuel dinstallation Manuel dinstallation Manual de instalación MODELS 5MXS48TVJU 4MXL36TVJU...
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Page 2: Table Of Contents
Contents 3. Flaring the pipe end ............. 8 Safety Considerations ........1 4. Refrigerant piping ............9 Accessories ............. 3 5. Pressure test and evacuating system ......10 Precautions for Selecting a Location ... 3 6. Refilling refrigerant ............11 7. Charging with refrigerant ..........11 Precautions on Installation ...... - Page 3 Corroding copper pipes or soldered parts may result in is shorted and operated forcibly, or parts other than those refrigerant leakage. specified by Daikin are used, fire or explosion may occur. (c) Near machinery emitting electromagnetic waves. Electromagnetic waves may disturb the operation of the control system and cause the unit to malfunction.
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Page 4: Accessories
Accessories Drain socket cap Drain socket Installation manual Drain plug Reducer assy Warranty Precautions for Selecting a Location 1) Choose a place solid enough to bear the weight and vibration of the unit, where the operating sound will not be amplifi ed. 2) Choose a location where the air discharged from the unit or the operating sound will not cause a nuisance to the neighbors of the user. -
Page 5: Precautions On Installation
Precautions on Installation • Check the strength and level of the installation surface so that the unit does not cause any operating vibrations or noise after installation. • Fix the unit in place securely using foundation bolts, as in the figure. (Prepare 4 sets of 1/2 inch (M12) foundation bolts, nuts and washers; all sold separately.) • It is best to screw in the foundation bolts until their ends are 3/4 inch (20mm) from the foundation surface. -
Page 6: Installation Space Requirements
Installation Space Requirements • Position the unit on a horizontal surface. Any tilt in the unit should be 3° or less to the horizontal. • Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation space requirements below. • For any of the below installation patterns, the wall height on the outlet side should be 47-1/4 inch (1200mm) or less. Wall facing one side Walls facing two sides More than... -
Page 7: Connections (Connection Port)
Connections (connection port) Install the indoor unit according to the table below, which shows the relationship between the class of indoor unit and the corresponding port. The total indoor unit class that can be connected to this unit: 4MXL36* – Up to 48000 Btu 5MXS48* –... -
Page 8: How To Use Reducers
How to Use Reducers No.1 No.2 No.3 No.4 No.5 No.6 φ5/8” φ1/2” φ5/8” φ1/2” φ5/8” φ5/8” φ1/2” φ3/8” φ1/2” φ3/8” φ3/8” φ3/8” Gasket (1) Gasket (2) Reduce and gasket • Use the reducers supplied with the unit as described below. (1) Connecting a pipe of φ1/2 inch (12.7mm) to a gas pipe connection port for φ5/8 inch (15.9mm) : No. -
Page 9: Outdoor Unit Installation
Outdoor Unit Installation Installing the outdoor unit • When installing the outdoor unit, refer to “Precautions for Selecting a Location” on page 3 and the “Outdoor Unit Installation Diagram” on page 4. • If drain work is necessary, follow the procedures below. Drain work CAUTION Drain plugs... -
Page 10: Refrigerant Piping
Outdoor Unit Installation Refrigerant piping CAUTION • Use the flare nut fixed to the main unit. (This is to prevent the flare nut from cracking as a result of deterioration over time.) • To prevent gas leakage, apply refrigeration oil only to the inner surface of the flare. (Use refrigeration oil for R410A.) • Use a torque wrench when tightening the flare nuts to prevent damage to the flare nuts and gas leakage. • Align the centers of both flares and tighten the flare nuts 3 or 4 turns by hand, then tighten them fully with a spanner and a torque wrench. Apply oil Tighten Apply refrigeration Torque wrench Do not apply refrigeration oil only to the inner oil to the outer surface. surface of the flare. Flare nut Spanner Do not apply refrigeration oil to... -
Page 11: Pressure Test And Evacuating System
Pressure test and evacuating system WARNING • Make sure that air or any matter other than refrigerant (R410A) does not get into the refrigeration cycle. • If refrigerant gas leaks should occur, ventilate the room as soon and as much as possible. • R410A, as well as other refrigerants, should always be recovered and never be released directly into the environment. -
Page 12: Refilling Refrigerant
Outdoor Unit Installation Refilling refrigerant Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410A Fill from the liquid pipe in liquid form. R410A is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation. 1) Before filling, check whether the cylinder has a siphon attached or not. (It should have something like “liquid filling siphon attached” displayed on it.) Filling a cylinder with an attached siphon Filling other cylinders Stand the cylinder upright when filling. -
Page 13: Wiring
Wiring WARNING • Do not use tapped wires, extension cords, or starburst connections, as they may cause overheating, electric shock, or fi re. • Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the terminal block.) Doing so may cause electric shock or fi re. • The circuit must be protected with safety devices in accordance with local and national codes, i.e. a circuit breaker. • Use an all-pole disconnection type circuit breaker with at least 1/8 inch (3mm) between the contact point gaps. - Page 14 Wiring [Wiring procedure] Outdoor unit Note: Take care to ensure that all wiring power between indoor unit and outdoor unit has a 1) Strip the insulation from the wire (3/4 inch (20mm)). Room Room Room supply consistent connection. Any splices can cause 2) Connect the inter-unit wires between the indoor and communication errors.
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Page 15: Priority Room Setting
Priority Room Setting • To use priority room setting, initial settings must be made when the unit is installed. Explain the priority room setting, as described below, to the user, and confi rm whether or not the user wants to use priority room setting. Setting it in the guest and living rooms is convenient. About the priority room setting function The indoor unit for which priority room setting is applied takes priority in the following cases. 1) Operation mode priority The operation mode of the indoor unit which is set for priority room setting takes priority. -
Page 16: Night Quiet Mode Setting
Night Quiet Mode setting • If night quiet mode is to be used, initial settings must be made when the unit is installed. Explain night quiet mode, as described below, to the user, and confi rm whether or not the user wants to use night quiet mode. About night quiet mode The night quiet mode function reduces operating noise of the outdoor unit at nighttime. This function is useful if the user is worried about the effects of the operating noise on the neighbors. However, if night quiet mode is running, cooling capacity will be saved. -
Page 17: Pump Down Operation
Pump Down Operation In order to protect the environment, be sure to pump down when relocating or disposing of the unit. 1) Remove the valve caps from liquid stop valve and gas stop valve. Hexagonal Close wrench 2) Carry out forced cooling operation. Gas stop valve 3) After 1 to 2 minutes, close the liquid stop valve with a hexagonal wrench. -
Page 18: Trial Operation And Testing
Trial Operation and Testing • Before starting the trial operation, measure the voltage at the primary side of the circuit breaker. • Check that all liquid and gas stop valves are fully open. • Check that piping and wiring all match. The wiring error check can be conveniently used for underground wiring and other wiring that cannot be directly checked. -
Page 19: Trial Operation And Testing
Trial operation and testing • During the trial operation, first check the operation of each unit individually. After this, check the simultaneous operation of all indoor units. Check both COOL and HEAT operations. 2-1. Measure the supply voltage and make sure that it is within the specified range. 2-2. In COOL operation, select the lowest programmable temperature; in HEAT operation, select the highest programmable temperature. • When operating the air conditioner in COOL operation in winter, or HEAT operation in summer, activate trial operation mode by following the instructions in the installation manual for the indoor unit. - Page 20 Two-dimensional bar code is a manufacturing code. 3P537039-1 M18B063 (1809) HT...
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