Electrical wiring, Design of mini eco-i system – Sanyo CHX03652 User Manual

Page 41

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background image

2-33

1

2

3

4

5

6

7

8

Design of Mini ECO-i SYSTEM

4-3. Wiring System Diagram

U2

U1

L2

L1

L2

L1

R2

R1

U2

U1

2

1

WHT

Remote
controller

BLK

2

1

U2

U1

U2

U1

U2

U1

2

1

WHT

Remote
controller

Group control:

BLK

2

1

2

1

WHT

Remote
controller

D

A

E

Indoor
unit (No. n)

Indoor
unit (No. 1)

Indoor
unit (No. 2)

Indoor
unit (No. 3)

C

B

Outdoor unit
INV unit

L1

Power supply

L2

208 / 230 V, 1ø, ~60Hz

Ground

Ground

L1
L2

L1
L2

L1
L2

L1
L2

BLK

2

1

Power supply
208 / 230 V, 1ø, ~60Hz

Power supply
208 / 230 V, 1ø, ~60Hz

Power supply
208 / 230 V, 1ø, ~60Hz

Power supply
208 / 230 V, 1ø, ~60Hz

B

B

B

Ground

Ground

Ground

Ground

Ground

C

Ground

D

D

C

Ground

C

Ground

L2

L1

R2

R1

L2

L1

R2

R1

L2

L1

R2

R1

NOTE

(1) Refer to Section 4-2. “Recommended Wire Length

and Wire Diameter for Power Supply System” for the

explanation of “A,” “B,” “C,” “D,” and “E,” in the above

diagram.

(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 the R.C. address setting, refer to Section

5 of the Installation Instructions. Auto. address setting

can be executed by remote controller automatically.

Refer to Section 5 of the Installation Instructions.

K Type

1

2

3

4

5

Power

supply

Inter-unit

control wiring

5P terminal board

1(L1)2(L2)

U1 U2

1(L1) 2(L2)
Power

supply

U1

Inter-unit

control wiring

U2

Remote

controller

R1

R2

X, A, U, D, T Type

7P terminal board

4. Electrical Wiring

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