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NOTE

<Type E1>

(1) Refer to “Recommended Wire Length and Wire

Diameter for Power Supply System” for the explanation

of “A”, “B”, “C” and “D” in the above diagrams.

(2) The basic connection diagram of the indoor unit

shows the 7P terminal board, so the terminal boards

in your equipment may differ from the diagram.

(3) Refrigerant Circuit (R.C.) address should be set

before turning the power on.

(4) Regarding R.C. address setting, refer to the installation

instructions supplied with the outdoor unit. Auto address
setting can be executed by remote controller automatically.
Refer to the installation instructions supplied with the
remote controller (optional).

Power

supply

Inter-unit

control

wiring

7P terminal board

Type E1

Remote

control

wiring

1
2

Power supply*

220 – 240 V ~50/60 Hz

Remote

controller

WHT

BLK

* Regarding S-250PE1E8, the power supply is

220-240V, 50Hz only.

Ground

Outdoor unit (3-phase)

INV unit

Power supply

380 – 415 V, 3N, ~ 50/60 Hz

Indoor

unit

CAUTION

(1) When linking the outdoor units in a network, disconnect the terminal extended from the short plug

(CN003, 2P Black, location: right bottom on the outdoor main control PCB) from all outdoor units

except any one of the outdoor units. (When shipping: In shorted condition.)

(2) Do not install the inter-unit control wiring in a way that forms a loop. (Fig. 1-5)

(3) Use shielded wires for inter-unit control wiring (c) and

ground the shield on both sides, otherwise misoperation

from noise my occur. (Fig. 1-6)

Connect wiring as shown in Wiring System Diagram.”

Outdoor unit

Indoor unit

Prohibited

Indoor unit

Fig. 1-5

Fig. 1-6

Shielded wire

Ground

(4) Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed

5 or 3 *1.5 mm

flexible cord. Type designation 60245 IEC 57 (H05RN-F, GP85PCP etc.) or heavier cord.

Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conform to

CENELEC (HAR) rating specifications) or use the cables based on IEC standard. (60245 IEC57, 60245

IEC66)

Loose wiring may cause the terminal to overheat or result in unit malfunction.

A fire hazard may also exist. Therefore, ensure that all wiring is tightly connected.

When connecting each power wire to the terminal, follow the instructions on “How to connect wiring to the terminal”

and fasten the wire securely with the fixing screw of the terminal plate.

WARNING

Fig. 1-8

Fig. 1-7

How to connect wiring to the terminal

For stranded wiring

(1)

(2)

(3)

(4)

Cut the wire end with cutting pliers, then strip the
insulation to expose the stranded wiring about
10 mm and tightly twist the wire ends. (Fig. 1-7)
Using a Phillips head screwdriver, remove the
terminal screw(s) on the terminal plate.
Using a ring connector fastener or pliers, securely
clamp each stripped wire end with a ring pressure
terminal.
Place the ring pressure terminal, and replace and
tighten the removed terminal screw using a
screwdriver. (Fig. 1-8)

Insulation tape

8mm

Insulation tape

Shield mesh

Fig. 1-9

Fig. 1-10

Fig. 1-11

Fig. 1-12

Examples of shield wires

(1)
(2)

(3)
(4)

Remove cable coat not to scratch braided shield. (Fig. 1-9)
Unbraid the braided shield carefully and twist the
unbraided shield wires tightly together. Insulate the shield
wires by covering them with an insulation tube or wrapping
insulation tape around them. (Fig. 1-10)
Remove coat of signal wire. (Fig. 1-11)
Attach ring pressure terminals to the signal wires and
the shield wires insulated in Step (2). (Fig. 1-12)

Screw and

Special washer

Ring

pressure

terminal

Terminal plate

Ring pressure

terminal

Screw

Special

washer

Wire