ICP DAS USA DFS2A324J2A Schematic DFF2AH09J1A, DFF2AH12J1A FAN COIL WITH, WiringDiagramCooling

1 TH2 TH1

I N D O O R U N I T

1

TB

J6
J8 J7	J18	K6	K5			K1	K2
		5		4		3	2
		FAN	H.L.T.V			RVS	COMP.
BLK	YEL	WH OR	RED	GREEN		GR/YEL	GND
1 2 3 4 5					6
**BLK		**WH	**RED	**GREEN		1
FAN	RVS	COMP 1	HLTV	+30 VDC	DC RTN	TB
1	2 3 4 5 6

J12	STEPPER	MOTOR
J14	1 3
+12V	-12V
RED	BLK
J5
	1 3
	J1
321

J11	K8		K9		K7		TAC671Main Board	TAC670control
1	5		4		6
WH	BLUE		RED		BLK
+30V	FAN1	1 2	FAN2		FAN3		TAC672B MotorControl
J4	1		2 3	3 4 4 5		6
J3					5
	CDV 03 +D ER	NTR CD KLB	PSV LEY	CDV 21+ TH W
		M		BLDC	MOTOR
							***RED

LEGEND

CC -Compressor Capacitor *** -16 AWG

COMP-Compressor** -14 AWG

FC -Fan Capacitor* -12 AWG

ALL OTHER WIRES 18 AWG

GND -Ground

Splice	Terminal(Unmarked)	FactoryWiring	FieldControlWiring
- -
-TerminalBlock	-brushlessDC	-Returnairsensor	-Indoorcoil sensor
TB	BLDC	TH1	TH2

Field Power Wiring

-Indoorunit1circuit	-Indoorunit2circuit
1	2

DFC2A318J2A, DFC2A318J2A Conden

Only	BLK
WiringDiagramCooling	NIT
12	R U
2X	DOO
X09/	OUT
Models2

BLK

J1

FAN HLTV

2

RVS

COMP1 RTNDC

5

TAC673

RelayBoard

1

1

3

4

K4

K3

K2

K1

COMP 1

PH-AC

GREEN

GREEN

1

TB1

FAN

H.L.T.V

RVS

FUSE

6A

BLK

CC 1

BLK

KLB*

E

RB*

RB*

BLK

BLK

ULB *

EULB*

BLK

GR/YEL

GR/YEL

GND

*OR

GR/YEL

DC RTN

1

GR/YEL

DC RTN

2

N

1

N

2

BLK

L1 L1

2 1

***GR/YEL

BLK

BLK

*BLUE

TB

EULB*

COMP.

*OR

2

KLB*

S

RB*

C

CC

R

BLK

RB*

2

TB1

FAN

H.L.T.V

RVS

FUSE

6A

K4

K3

K2

K1

COMP 1

PH-AC

GREEN

GREEN

*BR

*BR

*BLUE

*BLUE

HLTV

RVS

COMP1

DCRTN

TAC673

RelayBoard

J1

FAN1

2

3

4

5

2

2

1

2 3 4 5 6

DC RTN

TB 2

BLDC MOTOR

L1

**BLK FAN

**WH

COMP 1

**RED

+30VDC**GREEN

N

RVS

HLTV

		Out(+)		RTN(-)
		DC		DC
	1	AC DC IN Out		30VDC	PowerSupply
R	COMP.	***GR/YEL	EUL BN	L1 BR	***GREEN
S
C

					TH W
	GND
		BLK	N BLUE	L1 BR	***GREEN
*GR/YEL	2	DC AC Out IN		30VDC	PowerSupply
		Out(+)		RTN(-)
		DC		DC
	***RED
	GND

FC 1

T H W

NRB

LEY / RG

KLB

W H T

KLB

LEY / RG

NRB

T H W 2

FC

L1 N

	T H W
654321	NRB
	DER
	LEY / RG
	KLB

56	KLB
34	RG/LEY
12	DER
	NRB
	T H W

FAN MOTOR

FAN MOTOR

Schematic DFF2AH09J1A, DFF2AH12J1A FAN COIL WITH

M

2

DOOR UNIT	TH2
IN	TH1

TB	1 2 3			5
	BLK	YEL	WH OR	4RED	GREEN	6 GR/YEL	GND
			FAN	H.L.T.V		RVS	COMP.
			5	4		3	2
	J8	J18	K6	K5		K1	K2
	J6J7

	+30VDC	DCRTN
	RED	BLK
J1132	1
	1 3
RED	BLK
+12V	-12V
J14	1 3
J12	STEPPER	MOTOR

	YEL VSP	WHT+12VDC
2	3	4	5	6

J5	1
WH	BLUE
+30V	FAN1
1	5
J11	K8

J4
2	3
RED
FAN2
4
K9

4	5
	BLK
	FAN3
	6
	K7

J3

TAC 671 Main

TAC672B MotorControl

Board

TAC 670 control

51302523982-A

Fig. 14 System Wiring

10