AirStage AJY045LBLAH Panduan Instalasi - Halaman 9
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6. ELECTRICAL WIRING
6.1. The precautions of electrical wiring
Wiring connections must be performed by a qualifi ed person in accordance with specifi -
cations.
The rated supply of this product is 50 Hz, 230 V of 1-phase, 2-wire. Use a voltage within
the range of 198 to 264V.
Make sure to perform earthing (grounding) work. Improper earthing (grounding) work
can cause electric shocks.
Before connecting the cables, make sure the power supply is OFF.
Be sure to install an earth (ground) leakage breaker. Otherwise, it will cause electric
shock or fi re.
Select a breaker (Included with earth leakage circuit breaker) of appropriate capacity
and install one at every power supply of an outdoor unit. Wrong selection of breakers or
transition wiring will lead to electric shock and fi re.
Do not connect AC power supply to the transmission line terminal board.
Improper wiring can damage the entire system.
Install a breaker (Included with earth leakage circuit breaker) in accordance with the
related laws and regulations.
Connect the connector cord securely to the terminal.
Faulty installation can cause a fi re.
Make sure to secure the insulation portion of the connector cable with the cord clamp. A
damaged insulation can cause a short circuit.
Never install a power factor improvement condenser. Instead of improving the power
factor, the condenser may overheat.
Before servicing the unit, turn the power supply switch OFF. Then, do not touch electric
parts for 20 minutes due to the risk of electric shock.
Always use a separate power supply line protected by a circuit breaker operating on all
cables with a distance between contact of 3 mm for this unit.
Do not modify power cable, use extension cable or branch wiring. Improper use may
cause electric shock or fi re by poor connection, insuffi cient insulation or over current.
Use ring terminals and tighten the terminal screws to the specifi ed torques, otherwise,
abnormal overheating may be produced and possibly cause serious damage inside the
unit.
Securely install the electrical box cover on the unit. An improperly installed service panel
can cause serious accidents such as electric shock or fi re through exposure to dust or
water.
If the supply cable is damaged, it must be replaced by the manufacturer, its service
agent or similarly qualifi ed persons in order to avoid a hazard.
The primary power supply capacity is for the air conditioner itself, and does not include
the concurrent use of other devices.
Connect the power cables in positive phase sequence. If there is a missing phase con-
nection, the unit will not operate normally.
Do not use crossover power supply wiring for the outdoor unit.
If the electrical power is inadequate, contact your electric power company.
Install a breaker (Included with earth leakage circuit breaker) in a location that is not
exposed to high temperatures.
If the temperature surrounding the breaker is too high, the amperage at which the
breaker cuts out may decrease.
Use a breaker (Included with earth leakage circuit breaker) that is capable of handling
high frequencies. Because the outdoor unit is inverter controlled, a high-frequency earth
leakage circuit breaker is necessary to prevent a malfunction of the breaker itself.
When the electrical switchboard is installed outdoors, place it under lock and key so that
it is not easily accessible.
Never bundle the power supply cable and transmission cable, remote control cable
together. Separate these cable by 50 mm or more. Bundling these cables together will
cause miss operation or breakdown.
Always keep to the maximum length of the transmission cable. Exceeding the maximum
length may lead to erroneous operation.
The static electricity that is charged to the human body can damage the control PC
board when handling the control PC board for address setting, etc.
Please keep caution to the following points.
Provide the grounding of Indoor unit, Outdoor unit and Option equipment.
Cut off the power supply (breaker).
Touch the metal section (such as the unpainted control box section) of the indoor or
outdoor unit for more than 10 seconds. Discharge the static electricity in your body.
Never touch the component terminal or pattern on the PC board.
WARNING
CAUTION
6.2. Knockout hole
Be careful not to deform or scratch the panel while opening the knockout holes.
After opening the knockout holes, remove burr on the edges, and attach the one-touch
bush (accessory), grommet or conduit etc. to prevent damaging the cables.
It is recommended to apply rust proof paint on the edges to prevent rust.
Knockout holes are provided for wiring.
Service
panel
Knockout holes are provided 2 each in the same size in front, lateral and rear sides.
Installation method of One-touch bush
Please fix the One-touch bush (accessory) as shown in the figure below.
Front connection
Lateral connection
(Pipe cover front)
One-touch bush
(Accessories)
6.3. Selecting power supply cable and breaker
Regulation of cable size and circuit breaker differs from each locality, please refer in
accordance with local rules.
Refer to the table for the wiring and breaker specifi cations of each installation condition.
Breaker (Time delay fuse or circuit capacity)
MODEL
Fuse capacity (A)
AJ*040LBLAH
32
AJ*045LBLAH
32
AJ*054LBLAH
40
Outdoor unit power supply cable
MODEL
Recommended cable size (mm²)
Power cable
AJ*040LBLAH
6
AJ*045LBLAH
6
AJ*054LBLAH
6
1) These values are recommended data.
2) Specifi cation: Use conformed cord with Type 60245 IEC66
3) Max. cable length: Set a length so that the voltage drop is less than 2%. Increase the
cable diameter when the cable length is long.
In case of connected outdoor unit
Transmission cable
230 V 1ø 50 Hz
Breaker
Outdoor unit
Power supply cable
CAUTION
Rear connection
(Pipe cover rear)
CAUTION
Leakage current
30 mA
0.1 sec or less
Limited wiring
length (m)
Earth cable
4
18
4
18
4
17
230 V 1ø 50 Hz
Indoor unit
Power supply
cable
Breaker
Remote con-
troller cable
En-8