Electrical Work - Toshiba RAS-3M18S3AV-E Manuel D'installation

Outdoor Unit
Insulation of the Refrigerant Pipes
■
• Insulate the refrigerant pipes for liquid and gas separately.
Heat-proof bubble polyethylene
Gas Leak Inspection
■
• Perform a gas leak inspection for the fl are nut connections, valve stem
connection, and service port cap without fail.
• Use a leak detector exclusively manufactured for R410A.
Flare nut connections
(Indoor unit)
Service port cap
connection
Valve stem cap
connection
* Check point example (RAS-3M18S3AV-E)
Performing Additional Installation of an Indoor Unit
■
1. Collect refrigerant from the outdoor unit.
2. Turn off the circuit breaker.
3. Perform additional installation referring to the procedure from "Refrigerant
Piping Connection" on the previous page.
7

Electrical work

WARNING
• Be sure to comply with local regulations/
codes when running the wire from the
outdoor unit to the indoor unit.
(Size of wire and wiring method etc.)
• A lack of electrical capacitance or incorrect
wiring may cause an electric shock or a
fi re.
• To make sure that the wiring connection
are secure, use designated cables.
• Fix the cables securely so that no external
force applied to the cables may effect the
terminals.
• If wiring connections are incomplete or
cables are not fi xed securely, it may cause
a fi re.
• Be sure to ground the outdoor unit.
• Incomplete grounding may lead to an
electric shock.
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CAUTION
• Incorrect/incomplete wiring will cause
electrical fi res or smoke.
• Prepare the power source for exclusive
use with the air conditioner.
• This product can be connected to the main
power.
Fixed wire connections:
A switch that disconnects all poles and
has a contact separation of at least 3 mm
must be incorporated into the fi xed wiring.
Wire Connection
■
• The dash lines show on-site wiring.
Flare nut connections
(Outdoor unit)
Input power
Leakage
breaker
• Connect the indoor/outdoor connecting cables to the identical terminal
numbers on the terminal block of each unit.
• Incorrect connection may cause a failure.
Power supply
Maximum running current
Installation fuse rating
Power cord
Connecting cable
1. Remove the valve cover screws.
2. Pull the valve cover in the direction of arrow, and remove it.
3. Remove the cord clamp and the terminal cover.
9
Installation Manual
(System
(Main circuit) interconnection wires)
1
L 1
N 2
2
3
3
Indoor unit
Earth
1ph, 50Hz, 220-240V
1ph, 60Hz, 220V
3M : 13.1 A, 2M : 12.6 A
20 A
(All types can be used)
H07RN-F or 60245 IEC 66
3-core 1.5 mm
H07RN-F or 60245 IEC 66
4-core 1.0 mm
Valve cover
Terminal cover
Cord clamp
Remote
controller
2
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