Mitsubishi 10 Data Book page 31

PR-15, 20YC (STANDARD)
CIRCUIT BREAKER
Power supply
(FIELD SUPPLY) 3Phase
380~415Volt
PR -15YC···100A
50Hertz
PR -20YC···125A
TB1
L1
Red
L2
White
L3 Black
N Blue
PE
White
Black
Red
F
F(3.15A)
TB4 11
52
C1
CH1
TB4 12
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.
MC1
52C1 51C1
Red Red
White
Black Black
51C2
52C2
Red
Red
Red
White
Black
Black
51F3
52F 51F1
Red
White
MF1
Black
T B 5
SWITCH BOX
1
(FIELD SUPPLY)
F
(3.15A)
RL1
23WA
GL
High
Low
Tr
AC
220~ AC
240V 24V
2 3 4 5
T B 5
52
C2
CZ1
CH2 CZ2
30 30
CZ2-1
CZ1-1
9
INTERNAL
PROTECTOR
Red
White
Black
MC2 INTERNAL
PROTECTOR
TB3
Red R R
21 22
White
S S
21 22
Black
T T
21 22
TB4 14
FZ0 51F1
30 30
CZ1-2 CZ2-2
RL2
SW1
51F2
SW2
63
H1
CZ1 CZ2
CZ1
51 C1
6 7 8
52
52
C1 C2
1
TM
(3MIN)
26
L1
FZ0
52
F 3
FZ1
TM
52
FZ0
30
C1
C Z 1
FZ1
30 30
CZ1-1 CZ1-2
- 30 -
T B 2
51F2
R R
Red
11 12
S S
White
11 12
T T
Black
11 12
Red
1
2 White
MF3
Black
3
INTERNAL
PROTECTOR
51F3
63
H2
CZ2
51C2
1
52 52
TM
C1 C2
(3MIN)
26
L2
3
FZ1
2
(2SEC)
30
CZ2 2
52
C2
30 30
CZ2-1 CZ2-2
TB412
Symbol
MC1·2
C ompres sor motor
MF1 Fan motor (in door)
MF2·3 Fan motor (out door)
52C1·2 C ontactor (c ompress or)
52F C ontactor (fan I/D)
TB1~5 Termi nal bl ock
CH1·2 C rankc ase heater
F Fuse
Tr Transformer
51C1·2 Over current rel ay(compres sor)
51F1~3 Over current rel ay (fan I/D, O/ D)
63H1·2 H igh-pressure sw itc h
26L1·2 Thermostat(freeze protecti on)
TM Ti mer (anti short c ycl e)
2 Timer
FZ0·1 A ux il iary rel ay (fan)
CZ1·2 A ux il iary rel ay (c ompress or)
30CZ1-1,2 A ux il iary rel ay (c hec k)
30CZ2-1,2 A ux il iary rel ay (c hec k)
<SW1> S wi tch (off)
<SW2> S wi tch (on)
<GL> Lamp (power on)
<RL1·2> Lamp (check )
<23WA> Thermostat (room temp.)
1 Red
White
2
M F 2
Black
3
INTERNAL
PROTECTOR
Name