Toshiba Carrier MMC-AP0181H2UL Kurulum Kılavuzu - Sayfa 9

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Ceiling type

Electrical Connection

WARNING

1. Use predefined wire and connect them certainly.

Keep the connecting terminal free from external

force.

Improper wire connection or clamping may result in

exothermic, fire or malfunction.

2. Connect ground wire. (grounding work)

Incomplete grounding cause an electric shock.

Do not connect ground wires to gas pipes, water

pipes, lightning rods or ground wires for telephone

wires.

3. Install appliance in accordance with national

wiring regulations.

Capacity shortage of circuit breaker or incomplete

installation may cause an electric shock or a fire.

CAUTION

• Consult local building codes, NEC (National Electrical

Code) or CEC (Canadian Electrical Code) for special

requirements.

• If incorrect/incomplete wiring is carried out, it will

cause an electrical fire or smoke.

• Install circuit breaker is not tripped by shock waves.

If circuit breaker is not installed, an electric shock may

be caused.

• Use the cord clamps attached to the product.

• Do not damage or scratch the conductive core and

inner insulator of power and control wires when

peeling them.

• Use the power cord and control wire of specified

thickness, type, and protective devices required.

• Do not connect 208/230 V power to the terminal

blocks (U1, U2, A, B etc.) for control wiring.

(Otherwise, the system will fail.)

• Perform the electric wiring so that it does not come to

contact with the high-temperature part of the pipe.

The coating may melt resulting in an accident.

• Do not turn on the circuit breaker of the indoor unit

until vacuuming of the refrigerant pipes completes.

REQUIREMENT

• For power supply wiring, strictly conform to the Local

Regulation in each country.

• Run the refrigerant piping line and control wiring line in

the same line.

15-EN

Installation Manual

Power supply wire and

control wires specifications

Power supply wire and control wires are procured

locally.

For the power supply specifications, follow to the table

below. If capacity is little, it is dangerous because

overheat or seizure may be caused.

Indoor unit power supply

• For the power supply of the indoor unit, prepare the

exclusive power supply separated from that of the

outdoor unit.

▼ Power supply

Power supply

208/230-1-60

Control wiring, Central control wiring

• 2-core with non-polarity wires are used for the

control wiring between indoor unit and outdoor unit

and Central control wiring.

• To prevent noise trouble, use 2-core shielded wire.

• The length of the communication line means the total

length of the control wire length between indoor and

outdoor units added with the central control wire

length.

Ceiling type

Power supply wire

• Recommended wire diameter and wire length for power supply wire.

Power supply wiring

Electric characteristics

Model

Power Supply

MMC-AP0181H2UL

MMC-AP0241H2UL

208/230V-1-60Hz

MMC-AP0361H2UL

MMC-AP0421H2UL

Control wire

Control wiring between indoor units, and outdoor unit (2-core

shielded wire)

Remote control wiring

• 2-core with non-polarity wire is used for wiring of the remote control wiring and group remote controls wiring.

Remote control wiring, remote control inter-unit wiring

Total wire length of remote control wiring and remote control

inter-unit wiring = L + L1 + L2 + ... Ln

Total wire length of remote control inter-unit wiring = L1 + L2 + ... Ln

Indoor unit

Remote

control

wiring

Remote

Remote control inter-unit wiring

control

NOTE

• Use copper supply wire.

• Use UL wire rated 600V for the power supply.

• Use UL wire rated 300V for the remote control wires and control wires.

CAUTION

The remote control wire (Communication line) and AC208/230V wires cannot be parallel to contact each other and

cannot be stored in the same conduits. If doing so, a trouble may be caused on the control system due to noise or other

factor.

– 8 –

Installation Manual

Wire size: 2 × AWG12

Up to 164'1" (50m)

Ground

1 × AWG12 or thicker

MCA : Minimum Circuit Amps

MOCP : Maximum Overcurrent Protection (Amps)

Voltage Range (V)

MCA

Min

Max

(A)

0.5

0.7

187

253

1.0

1.2

(Up to 3280'10" (1000m)) AWG16

Wire size

(Up to 6561'8" (2000m)) AWG14

Wire size: AWG20

In case of wired type only

Up to 1640'5" (500m)

In case of wireless type included

Up to 1312'4" (400m)

Up to 656'2" (200m)

Indoor unit

(Max. 8 units)

MOCP

(A)

16-EN