MITSUBISHI ELECTRIC PRH-5 User Manual
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52C
30
CZ
30
CZ
C
21
S4
FZ1
FZ0
X1
X2
FZ4
FZ3
52
F2
52
F4
52
F3
FZ2
52
F1
GL
RL
TM
MF1
CZ
HZ
T i m e r ( a n t i s h o r t c y c l e )
TM
L a m p ( o p e r a t i o n )
L a m p ( c h e c k )
4 - W a y v a l v e
T h e r m o s t a t ( r o o m t e m p . )
<23WA>
S w i t c h ( o n )
S w i t c h ( o f f )
21S4
30CZ
HZ
CZ
X1·2
S w i t c h ( o p e r a t i n m o d e )
A u x i l i a r y r e l a y ( c h e c k )
A u x i l i a r y r e l a y ( h e a t e r )
A u x i l i a r y r e l a y ( c o m p r e s s o r )
A u x i l i a r y r e l a y ( f a n )
A u x i l i a r y r e l a y ( d e f r o s t )
FZ0,1
C o n t a c t o r ( f a n O / D )
A u x i l i a r y r e l a y ( f a n O / D )
FZ2~4
52F2~4
52F1
T h e r m o s t a t ( f r e e z e p r o t e c t i o n )
26L
T h e r m o s t a t ( d e f r o s t )
26D1~4
H i g h - p r e s s u r e s w i t c h
63H
Name
F
51C
Tr1·2
CH
51F1,2,3
52C
MF2
MF1
MC
TB1~4
F a n m o t o r ( i n d o o r )
Fuse
T r a n s f o r m e r
C r a n k c a s e h e a t e r
C o n t a c t o r ( f a n I / D )
O v e r c u r r e n t r e l a y ( f a n I / D , O / D )
C o n t a c t o r ( c o m p r e s s o r )
F a n m o t o r ( o u t d o o r )
O v e r c u r r e n t r e l a y ( c o m p r e s s o r )
T e r m i n a l b l o c k
Symbol
C o m p r e s s o r m o t o r
15
11
12
51F3
HZ
14
16
FZ1
(3MIN)
TM
C
52
CZ
3
51
26L
1
51F2
63H
51F1
FZ1
FZ0
CZ
30
CH
PRH-10YA,
PRH-10YA-L
···60A
PRH- 8YA,
PRH- 8YA-L
···50A
(3.15A)
F
Power supply
3Phase
TB1
CIRCUIT BREAKER
(FIELD SUPPLY)
N
50Herts
380~415Volt
L3
L2
L1
8
D2
26
26
D1
X2
TB313
X1
HZ
3
FZ
FZ
2
4
FZ
2
FZ
3
FZ
26D4
26D3
51F2
White
51F3
X1
2
T
2
S
2
R
TB2
T
2
S
2
2
R
Black
Black
White
Red
Red
3
2
1
Black
Red
Tr1
52F4
52F3
TB2
R
S
T
1
1
1
52F2
Black
White
Red
T
S
R
1
1
1
CZ
AC
24V
AC
220~
240V
Tr2
H
C
7
6
5
4
3
2
1
HEAT
COOL
23WA
SWITCH BOX
(FIELD SUPPLY)
TB4
TB4
SW2
SW1
SW3
TB3 12
TB3 11
52C
F(3.15A)
52F1
51F1
51C
52C
Black
Black
Black
White
White
Blue
Red
Red
Red
Black
White
Red
MF2
INTERNAL
PROTECTOR
INTERNAL
PROTECTOR
MC
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.
Caution,
1.To protect each Fan motors and Compressor from abnormal current,
these Over current relays<51C>,<51F1,2,3>are installed.
Therefore,do not change factory set value of these Over current relays.
2.To protect the compressor from frequently "ON-OFF",timer
installed. Therefore,do not change factory set value of this timer.
PRH- 5YA,
PRH- 5YA-L
···40A
8,10YA,
YA-L ONLY
PE
PRH-5, 8, 10YA
PRH-5, 8, 10YA-L
(SPECIAL ORDER : LOW TEMPERATURE)