2MXL18QMVJUA Installation Manual
Table Of Contents
- Safety Considerations
- Accessories
- Precautions for Selecting a Location
- Precautions on Installation
- Outdoor Unit Installation Diagram
- Connections (connection port)
- How to Use Reducers
- Installation Space Requirements
- Selecting a Location for Installation ofthe Indoor Units
- Outdoor Unit Installation
- 1. Installing the outdoor unit
- 2. Drain work
- 3. Refrigerant piping
- 4. Pressure test and evacuating system
- 5. Refilling refrigerant
- 6. Charging with refrigerant
- 7. Refrigerant piping work
- 8. Flaring the pipe end
- Wiring
- Priority Room Setting
- Night Quiet Mode setting
- COOL/ HEAT mode lock [S15]
- Pump Down Operation
- Trial Operation and Testing
- 1. Wiring error check
- 2. Trial operation and testing
- 3. Test items
12■English
Wiring
WARNING
• Donotusetappedwires,extensioncords,orstarburstconnections,astheymaycauseoverheating,electricshock,orre.
• Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the
terminalblock.)Doingsomaycauseelectricshockorre.
• Be sure to install a ground fault circuit interrupter. (One that can handle higher harmonics.)
(This unit uses an inverter. Therefore, a ground fault circuit interrupter capable of handling higher harmonics must be used in
order to prevent the ground fault circuit interrupter malfunctioning.)
• Use an all-pole disconnection type circuit breaker with at least 1/8 inch (3mm) between the contact point gaps.
• When carrying out wiring, take care not to pull at the conduit.
• Donotconnectthepowerwiretotheindoorunit.Doingsomaycauseelectricshockorre.
• Do not turn on the circuit breaker until all work is completed.
[Method of Mounting Conduit]
•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.
2) Slide the protection plate up and remove it.
3) Pass wires through the conduit and secure them with a lock nut.
Stop valve cover
Service lid
Conduit mounting plate
Protection plate
Lock nut
Conduit
mounting plate
Conduit
Knockout hole
English
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