Subscribe to Our Youtube Channel
Related Manuals for Daikin 2MXT18AVJU9
Summary of Contents for Daikin 2MXT18AVJU9
- Page 1 DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL R32 Split Series Installation manual Manuel dinstallation Manuel dinstallation Manual de instalación MODELS 2MXM18AVJU9 3MXM24AVJU9 4MXM36AVJU9 2MXT18AVJU9 2MXTH18AVJU9...
-
Page 2: Table Of Contents
Contents Safety Considerations ........1 4. Refrigerant piping ............10 5. Pressure test and evacuating system ......11 Accessories ............. 3 6. Charging with refrigerant ..........12 Precautions for Selecting a Location ... 3 Wiring ............... 13 Precautions on Installation ......4 Priority Room Setting ........ - 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. • Do not use means to accelerate the defrosting process (if...
-
Page 4: Accessories
Accessories Drain socket Installation manual This is at the bottom of the packaging. Drain cap (1) Drain cap (2) Reducer assy Warranty Refrigerant charge label H General Safety Considerations Affix near the machine nameplate. 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 amplified. 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 5/16 inch (M8) or 3/8 inch (M10) foundation bolts, nuts and washers;... -
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 the outdoor unit’s intake or exhaust airflow, follow the installation space requirements below. -
Page 7: Selecting A Location For Installation Of The Indoor Units
Selecting a Location for Installation of the Indoor Units • Minimum required floor area (A The minimum required floor area of the room where the indoor unit is installed varies depending on the installation height and refrigerant amount. Indoor unit installation h (m) Indoor unit installation h (ft) -
Page 8: Connections (Connection Port)
Selecting a Location for Installation of the Indoor Units • The maximum allowable length of refrigerant piping, and the maximum allowable height difference between the outdoor and indoor units, are listed below. • Refrigerant piping must be kept to a minimum. The suggested shortest pipe length per room is 10ft (3m), in order to avoid noise from the outdoor unit and vibration. -
Page 9: 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 10: Outdoor Unit Installation
Outdoor Unit Installation Installing the outdoor unit 1) When installing the outdoor unit, refer to “Precautions for Selecting a Location” on page 3 and the “Outdoor Unit Installation Diagram” on page 4. 2) If drain work is necessary, follow the procedures below. Drain work CAUTION Drain cap (1) -
Page 11: Refrigerant Piping
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 R32 or R410A.) •... -
Page 12: Pressure Test And Evacuating System
Outdoor Unit Installation Pressure test and evacuating system WARNING • Make sure that air or any matter other than refrigerant (R32) does not get into the refrigeration cycle. • If refrigerant gas leaks should occur, ventilate the room as soon and as much as possible. •... -
Page 13: Charging With Refrigerant
Charging with refrigerant CAUTION Even though the stop valve is fully closed, the refrigerant may slowly leak out; do not leave the flare nut removed for a long period of time. • If the total length of piping for all rooms exceeds the table listed below, additionally charge with 0.22oz/ft (20g/m) of refrigerant (R32) for each additional piping length. -
Page 14: Wiring
Wiring WARNING • RISK OF ELECTRIC SHOCK CAUSE INJURY OR DEATH. System contains oversize protective earthing (grounding) terminal which shall be properly connected. • Do not ground units to water pipes, gas pipes, telephone wires, or lightning rods as incomplete grounding can cause a severe shock hazard resulting in severe injury or death. - Page 15 [Method of Mounting Conduit] • When wiring, remove the top plate and look at the wiring diagram on the back of the top plate. • When connecting indoor units for 3 rooms or more, open knockout holes without deforming the conduit mounting plate. 1) Dismount the service lid by removing the 2 screws.
- Page 16 Wiring [Wiring procedure] Outdoor unit 1) Strip the insulation from the wire (3/4inch (20mm)). power supply Room Room 2) Connect the inter-unit wires between the indoor and outdoor units so that the terminal numbers match. Room Room Tighten the terminal screws securely. It is recommended Follow local codes that a slot-head screwdriver be used to tighten the for wiring and safety...
-
Page 17: 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 confirm whether or not the user wants to use priority room setting. Setting it in the guest and living rooms is convenient. -
Page 18: 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 confirm 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. -
Page 19: When Attaching The Optional Drain Pan Heater (Excluding 2Mxth Models)
When attaching the optional drain pan heater (excluding 2MXTH models) WARNING Service PC-board Do not remove the switch cover unless the power has been turned off. (Risk of electric shock) Remove the switch 1) Attach the drain pan heater in accordance with the installation manual cover included with the drain pan heater. -
Page 20: 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 21: 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. - Page 22 Two-dimensional bar code is a manufacturing code. 3P740830-1B M23B155A (2404) HT...
Need help?
Do you have a question about the 2MXT18AVJU9 and is the answer not in the manual?
Questions and answers