PR-15, 20YC (STANDARD)

CIRCUIT BREAKER

Power supply

(FIELD SUPPLY)

3Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PR -15YC···100A

380~415Volt

 

 

 

 

 

 

MC1

INTERNAL

 

 

 

 

 

 

 

 

 

 

50Hertz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PR -20YC···125A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L1 TB1

 

 

52C1

 

51C1

 

 

 

PROTECTOR

 

 

 

 

 

 

 

 

 

 

 

Red

 

Red

Red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L2

 

White

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L3

 

Black

 

Black

 

Black

 

 

 

 

 

 

 

51F2

TB2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red

 

 

 

 

R11

R12

1

Red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red

 

 

N

Blue

 

 

 

 

 

 

 

 

White

 

 

 

 

White

S 11

S 12

2

White

MF2

 

PE

 

 

 

 

 

 

 

 

 

Black

 

 

 

 

Black

T11

T12

3

Black

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52C2

 

51C2

Red

 

MC2

INTERNAL

 

 

 

 

 

 

 

 

 

 

 

 

Red

 

Red

 

 

 

 

PROTECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Black

 

 

Black

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Black

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INTERNAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51F3

 

 

Red

TB3

1

Red

 

 

 

 

 

PROTECTOR

 

 

 

 

 

 

 

 

 

 

 

R 21

R 22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

White

S 21

S 22

2

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Black

T 21

T 22

3

Black

MF3

 

 

 

 

 

 

 

 

 

 

52F

51F1

Red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Red

 

 

 

 

 

 

 

 

 

 

 

INTERNAL

 

 

 

 

 

 

 

 

 

 

White

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MF1

 

 

 

 

 

 

 

PROTECTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Black

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

F(3.15A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB4 11

 

 

 

 

 

 

 

 

TB4 14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TB5

1

SWITCH BOX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(FIELD SUPPLY)

 

51F1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FZ0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

30

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3.15A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RL1

 

CZ1-2

CZ2-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RL2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23WA

SW1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High

Low

GL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW2

 

 

51F2

 

 

51F3

 

 

 

Tr

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC

 

 

 

 

 

 

 

 

63

 

 

63

 

 

 

 

 

 

 

 

 

CZ1

CZ2

H1

 

 

H2

 

 

 

220~

AC

 

 

 

 

 

 

CZ1

 

 

CZ2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

240V

24V

 

 

 

6

 

 

 

51C1

 

 

51C2

 

 

 

 

2

3

4

5

7

8

 

 

 

 

 

 

52

TB5

 

 

 

 

 

52

52

 

 

 

 

 

 

 

C2

 

 

 

 

 

 

C1

C2

1

 

 

1

 

 

 

 

 

 

 

 

 

 

 

TM

52

TM

52

 

 

CZ1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

(3MIN)

C1

26

(3MIN)

C2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52

CH2

 

CZ2

 

 

FZ0

 

 

 

L1

 

 

L2

 

 

C1

 

 

 

 

52

 

3

 

 

3

 

 

 

 

 

 

 

 

 

 

F

 

FZ1

 

FZ1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CH1

TB4 12

 

 

TM

 

 

 

 

2

 

 

FZ0

 

52

 

 

 

 

30

30

 

(2SEC)

30

30

 

C1

 

 

 

CZ1

CZ2

2

 

CZ1-1

CZ2-1

FZ1

 

 

 

 

 

 

52

9

 

30

30

 

30

30

C2

 

 

 

 

 

CZ1-1

CZ1-2

 

CZ2-1

CZ2-2

 

 

 

 

 

 

 

TB412

 

Caution,

1.To protect each Fan motors and Compressors from abnormal current, these Over current relays <51C1,2> , <51F1,2,3> are installed. Therefore,do not change factory set value of these Over current relays.

2.To protect the compressors from frequently "ON-OFF" ,timer <TM> is installed. Therefore,do not change factory set value of this timer.

3.This timer <2> installed so that two compressors may never start at the same time. The unit stop if the set value of the timer is changed.

Note:

1.The dotted lines show field wiring.

2.The figure in the parentheses show field supply parts. 3.Color of earth wire is yellow and green twisting. 4.Not specified color of wire is brown.

5.Specification subject to change without notice.

Symbol

Name

MC1·2

Compressor motor

MF1

Fan motor (in door)

MF2·3

Fan motor (out door)

52C1·2

Contactor (compressor)

52F

Contactor (fan I/D)

TB1~5

Terminal block

CH1·2

Crankcase heater

F

Fuse

Tr

Transformer

51C1·2

Over current relay(compressor)

51F1~3

Over current relay (fan I/D,O/D)

63H1·2

High - pressure switch

26L1·2

Thermostat(freeze protection)

TM

Timer (anti short cycle)

2

Timer

FZ0·1

Auxiliary relay (fan)

CZ1·2

Auxiliary relay (compressor)

30CZ1-1,2

Auxiliary relay (check)

30CZ2-1,2

Auxiliary relay (check)

<SW1>

Switch (off)

<SW2>

Switch (on)

<GL>

Lamp (power on)

<RL1·2>

Lamp (check)

<23WA>

Thermostat (room temp . )

- 30 -

Page 31
Image 31
Mitsubishi Electronics 20 PRH-5, 20-L, 8, 10 manual PR-15, 20YC Standard

20-L, 8, PRH-5, 15, 10 specifications

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