Daikin RXYMQ36MVJU Instruction Manual download pdf (Page 25)

EDUS39-606A-N Installation

Installation of Outdoor Units 24

Power supply wiring connection procedure

WARNING

• Never connect power supply wiring to the terminal block for

remote controller wiring as this could damage the entire

system.

Install a ground leakage circuit breaker.

• You must install a ground leakage circuit breaker to pre-

vent electric shock and fire accident.

Stop valve

mounting plate

Power supply wiring

(including ground wire)

Transmission wiring

Power supply wiring

(including ground wire)

Transmission wiring

Electric parts

mounting plate

A1P

Transmission wiring

between units

Control PC

board (A1P)

Control

terminal

block

Ground wiring

(yellow/green)

Power

supply wiring

Terminal block

Clamp (accessory)

Pass the wiring

through the clips.

Power

terminal

block

TO IN/D UNIT

TO OUT/D UNIT

F1F2F1

C/H SELECTOR

(X1M)

L1 L2

When using a

shield wire

Clamp (accessory)

Insulating tube (accessory)

∗ This clamp is unnecessary when not

using shield wire.

∗

Lock nut

Cover

Conduit

arrow view

Screw

Transmission wiring

between units

Cable clamp

(Copper foil is provided.)

Shield

Fix the shield area of the unit-

to-unit wiring to the copper foil

area of the clamp.

When using shield wire

CAUTION

• After finishing the electrical wiring work, confirm that all the

wirings are connected securely.

Precautions when laying power wiring:

• Two electric wires of different thickness cannot be con-

nected to the power terminal block.

Slack in the electric wires may generate abnormal heat.

• Use round pressure terminals with insulting sleeve for con-

nection to the power terminal block.

If round pressure terminals are not available, connect an

electric wire of the same thickness to each side as shown in

the figure.

Power wire

Round pressure terminal

Attach insulation sleeve

Connect same-

thickness wiring

to both sides.

It is forbidden to

connect two to

one side.

It is forbidden to

connect wiring of

different thicknesses.

You must observe the following instructions or abnor-

mal heat may be generated by slack in electric wires.

• For wiring, use the designated power wire and connect

firmly, then secure to prevent outside pressure on the ter

minal board.

• Use an appropriate screwdriver for tightening the terminal

screws.

A screwdriver with a small head will strip the head and

make proper tightening impossible.

• Over-tightening the terminal screws may break them.

• See the table below for tightening torque for the terminal

screws.

Model

Phase and

frequency

Voltage

Rated current

of fuse

Min. Circuit

Amps.

RXYMQ36MVJU

~ 60Hz 208-230V 30A 27A

RXYMQ48MVJU

Tightening torque

M5 (Power supply and ground terminal block)

1.76 ~ 2.15 ft-lbf

(536..4 ~ 655.32 mm)-lbf

M4 (Shielded ground)

0.87 ~ 1.06 ft-lbf

(265.17 ~ 323.09 mm-lbf)

M3.5 (Transmission wiring terminal block)

0.58 ~ 0.72 ft-lbf

(176.74 ~ 219.46 mm)-lbf

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 31

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Daikin RXYMQ36MVJU Instruction Manual Page 25

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