Mitsubishi Electronics PE-20MYC, PE-8MYC PEH-15,20MYA-EU Special Wiring Anti Short Cycle Timer

PEH-15,20MYA-EU

(SPECIAL WIRING : ANTI SHORT CYCLE TIMER)

OUTDOOR UNIT

Power supply, 3 Phase

380~415 Volt, 50Hertz

TB1

L1

RED

RED

WHITE

L2

WHITE

BLACK

L3

BLACK

N

PE

BLUE

CIRCUIT BREAKER

(FIELD SUPPLY)

RED

PUH-15MYC1-EU ··· 100A

PUH-20MYC1-EU ··· 125A

WHITE

BLACK

F3 (3.15A)

HZ2

49C1

49C2

CZ2-1

CZ2-2

51

51

TM

F2

F3

52

52

TM

(3min)

C1

C2

52

(3min)

63H1

52

63H2

C2

52

52

C1

C1

C2

CH1

CH2

51C1

51C2

2

30

CZ2-1

CR2

30

CZ2-2

CR3

TM

CZ1

CZ2

52

52

2

C1

C2

30

30

CZ1

CZ2

INDOOR UNIT

TB2

52F

51F1

Power supply, 3 Phase

L1

RED

380~415 Volt, 50Hertz

L2

WHITE

MF1

L3

BLACK

N BLUE

F1

52F

PE

(3.15A)

GRAY

1

CIRCUIT BREAKER

51F1

F2

TB3

(FIELD SUPPLY)

Tr

(3.15A)

PEH-15,20MYA-EU ··· 30A

C3

1

AC

SWITCH BOX (FIELD SUPPLY)

26L1

220~

AC

240V

24V

C3

OUT

SW1

3

HZ1 DOOR

C8

COOL

HEAT

1

26L2

C8

C

H C

H

SW2

3

FZ

23

30

WA

FZ

CR1

TB3

2

3

4

5

30

CZ

CZ

FZ

52F

HZ1

FZ

1-1

1-2

GRAY

6

					52C1	RED	51C1
						WHITE
						BLACK
						51F2	X1
						RED
						WHITE
						BLACK
					52C2	RED	51C2
						WHITE
						BLACK
						51F3	X2
						RED
		T1			T2	WHITE
X1	X2 X5		X2	X6		BLACK
		X3			X4
	C6	3		C7	3
		26			26
		D3			D4		TB4
	C6	1		C7	1	GRAY 11 12	13
					1
	C4	1		C5
		26			26	CZ
		D1 X3			D2 X4		HZ2
						2-1
	C4	3		C5	3	CZ
						2-2
	T1	X3	21	X2	X6
			S4-2
21	X1	X5		T2	X4
S4-1

14

CZ	CZ	HZ1
1-1	1-2
TB3
11	12	13
		OUTDOOR
11	12	13

CZ	HZ2
2-1
	CZ
	2-2

14

14

MC1

1C1 RED

2WHITE

3	MF2
	BLACK

MC2

1C2 RED

2WHITE

3	MF3
	BLACK

Symbol	Name
MC1,2	Compressor motor
MF1	Fan motor (indoor)
MF2,3	Fan motor (outdoor)
52C1,2	Contactor (compressor)
52F	Contactor (fan I/D)
TB1~4	Terminal block
CH1,2	Crankcase heater
F1~3	Fuse (3.15A)
Tr	Transformer
49C1,2	Internal thermostat(compressor)
51C1,2	Over current relay(compressor)
51F1	Over current relay(fanI/D)
51F2,3	Over current relay(fanO/D)
63H1,2	High-pressure switch
26L1,2	Thermostat (freeze protection)
26D1~4	Thermostat (defrost)
21S4-1,2	4-Way valve
FZ	Auxiliary relay (fan)
30FZ	Auxiliary relay (fan)
CZ1-1,2/2-1,2	Auxiliary relay
HZ1,2	Auxiliary relay (heater)
30CZ1,2	Auxiliary relay (check)
X1,2	Contactor (fan O/D)
X3~6	Auxiliary relay (defrost)
<SW1>	Switch (operation mode)
<SW2>	Switch (on)
<23WA>	Thermostat (room temp.)
C1~8	Connector
T1,2	Timer (defrost)
2	Timer
CR1~3	Surge killer
TM	Timer (Anti short cycle)

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.When PAC-204RC is used, Timer(TM)is unneccessary. 6.Specification subject to change without notice.

Caution,

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

2.To protect the starting Compressor <MC1,2>at the same time, Timer <2> is installed. Therefore, do not change factory set value of this Timer. 3.To protect the starting Compressor<52C1,2> frequently, Timer

<TM> is installed. Therefore, do not change factory set value of this Timer.

Option controller connection.

Symbol	No.	Function	PAC-204RC (Option)
			terminal no.
	1	Power (Active)	24VAC(L)
	2	Cooling or Heating	COMP1
		operation
	3	Cooling or Heating	COMP2
TB3		operation
	4	Reversing valve	4WV
		for Heating operation
	5	Fan operation	FAN HI
	6	Power (Neutral)	24VAC(N)

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