Mitsubishi 10 Data Book page 37

PRH-15, 20YA
PRH-15, 20YA-L (STANDARD)
CIRCUIT BREAKER
(FIELD SUPPLY)
PRH-15YA Power supply
···100A
3Phase
PRH-15YA-L
380~415Volt
PRH-20YA
···125A
50Herts
PRH-20YA-L
TB1
L1 Red
L2
White
L3
Black
N Blue
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
SW1
(3.15A)
RL1
COOL HEAT
GL
C H C H
Tr
High
Low
23WA
AC
220~ AC
240V 24V
2 3 4 5 6
TB5
52
C2
CZ1 HZ
CH2 CZ2
30 30
CZ1-1 CZ2-1
10
INTERNAL
PROTECTOR
Red
White
Black
MC2
INTERNAL
PROTECTOR
TB3
X2
R R
Red
21 22
White S S
21 22
Black T T
21 22
51F1
FZ0
30 30
CZ1-2 CZ2-2
RL2
SW2
51F2
SW3
63
H1
CZ2
CZ1
CZ1
51
7 8 9
C1
52
52
C1 C2
1
TM
(3MIN)
26
L1
FZ0
52
3
F
F Z 1
TM
FZ0
30
CZ1
FZ1
30 30
CZ1-1 CZ1-2
Symbol
MC1·2
MF1
MF2·3
52C1·2
52F
TB1~5
CH1·2
F
Tr
51C1·2
51F1~3
63H1·2
26L1·2
26D1~4
21S41·42
30CZ1-1,2
30CZ2-1,2
<SW1>
<SW2>
<SW3>
<GL>
- 36 - <RL1·2>
<23WA>
TB2
51F2
Red
R R
11
White
S S
11
Black
T T
11
1
Red
2
White
MF3
3
Black
INTERNAL
PROTECTOR
HZ
51F3
X1 X2 X2
63
H2
CZ2
51
C2
21
26
S41
1
D3
52 TM 52
C1 C2
(3MIN)
26
L2
26
3 X3
D1
FZ1
2
52
(2SEC)
30
X1
C1
2
CZ2
X3
52
C2
30
30
CZ2-1 CZ2-2
Name
Compr es sor motor
F an mo tor ( in door )
F an mo tor ( out door )
Co ntac tor (c ompr ess or )
Co ntac tor (fan I/D)
T ermi nal bl oc k
Cr ank c ase hea ter
Fuse
T ran sfo rmer
O v er c ur rent rel ay (c ompre ss or)
O v er c ur rent rel ay (fan I/D,O /D)
Hi gh- pre ss ure sw itc h
T her most at(fr eez e pr otec ti on)
T her most at (d efro st)
TM T imer (an ti s ho rt c yc l e)
2 Timer
4 -Way va lv e
FZ0·1 Auxi li ar y r ela y ( fan)
CZ1·2 Auxi li ar y r ela y ( co mpres s or)
HZ Auxi li ar y r ela y ( heat er)
Auxi li ar y r ela y ( ch eck )
Auxi li ar y r ela y ( ch eck )
X1~4 Auxi li ar y r ela y ( defr os t)
Switc h ( oper ati on mo de)
Switc h ( off)
Switc h ( on)
L amp (o per atio n)
L amp (c he ck )
T her most at (r oom te mp.)
X1
1
Red
12
2
White
12
MF2
3
Black
12
INTERNAL
PROTECTOR
HZ
14
TB4 13
26
D4
21
S42
26
X4
D2
X2
X4
TB4 12