ICP DAS USA DFS2H324J2A, DFS2A318J2A, DFS2A324J2A, DFS2H318J2A Condensing Unit, Indoor UN

	TH1
	TH2
1
IT	TH3
INDOOR UN

J6
J8 J7		J18	K6	K5	K1	K2
			5	4	3	2
			FAN	H.L.T.V	RVS	COMP.
	BLK	YEL	WH	4RED5 GREEN	6 GR/YEL	GND
TB	1 2 3OR

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

J11	K8		K9			K7
1	5		4		6
WH	BLUE		RED			BLK
+30V	FAN1		FAN2			FAN3
J3		1	2	3	4		5
J4	1	2	3	4	5		6
	CDV 03 +D ER	NTR CD KLB	PSV LEY	CDV 21+ TH W

TAC 671 Main Board

TAC672B MotorControl

TAC 670 control

	-16AWG	-14 AWG	-12 AWG	WIRES18AWG	- Splice	- Terminal(Unmarked)	FactoryWiring	FieldControlWiring	FieldPowerWiring
LEGEND				ALLOTHER
	***	**	*
	CompressorCapacitor				ReversingValveSolenoid	LowTemp.Valve			airsensor coil sensor Outdoorcoilsensor unit1circuit	unit2circuit
		Compressor	Capacitor				TerminalBlock	brushlessDC

Condensing Unit

pump	BLK
WiringDiagramHeat	IT
X12	OR UN
/2	DO

**BLK

**YEL

**WH

**OR

**RED

**GREEN

1

1

1 FAN

2 RVS

3COMP1

4HLTV

5

+30 VDC

6DCRTN

TB

J1

1

3

4

RelayBoard

FAN

HLTV 2 RVS

COMP1

DCRTN

5

TAC673

K4

K3

K2

K1

COMP 1

1

TB1

FAN

H.L.T.V

RVS

FUSE

6A

HLTV

BLK

BLK

BLK

BLK

EU LB*

TH3 RVS

BLK

GR/YEL

GR/YEL

GND

GR/YEL

DC RTN

1

GR/YEL

DC RTN

2

N

1

N

2

TH3

BLK

L1

1

		M	BLDC MOTOR
				***RED
1						Out(+)
						DC
PH-AC	GREEN	GREEN			1	AC DC IN Out
RB*		CC 1	RB*	R	COMP.	***GR/YEL
				S
			KLB*	C
			EULB*
*OR

		CC - COMP- FC -Fan GND -Ground RVS - HLTV -Heating TB - BLDC - TH1 -Return TH2 -Indoor		TH3- Indoor-12-Indoor
	DCRTN(-)
	30VDC	PowerSupply
LEU BN	L1 BR	***GREEN
		FC 1
		T H W	654321	T H W
		NRB		NRB
		LEY / RG		DER
				LEY / RG
		KLB		KLB
		WHT
		TH W

FAN MOTOR

FAN MOTOR

FAN COIL WITH DFC2H318J2A, DFC2H318J2A

09	UT
X	O
Models2

BLK

2

R UNIT	TH3
DOO	TH2
IN	TH1

L1

2

RVS

BLK

BLK

*BLUE

TB

EULB*

2

KLB*

HLTV

CC

RB*

BLK

RB*

2

TB1

FAN

H.L.T.V

RVS

FUSE

6A

K4

K3

K2

K1

COMP 1

FAN

HLTV

RVS

COMP1 DCRTN

673

Board

J1

1

2

3

4

5

TAC

Relay

2

1

2 3 4 5 6

TB 2

FAN

RVS

COMP 1

HLTV

+30VDC**GREEN

DC RTN

**BLK

**YEL

**WH

**OR

**RED

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

1K

K2

J6J7

COMP.

*OR

***GR/YEL

GND

S

C

BLK

R

N BLUE

L1 BR

***GREEN

PH-AC

GREEN

GREEN

*BR

*BR

*BLUE

*BLUE

*GR/YEL

2

DC AC Out IN

30VDC

PowerSupply

2

Out(+)

RTN(-)

DC

DC

***RED

BLDC MOTOR

L1

N

GND

M

J1132

RED +30VDC

BLK DCRTN

YEL VSP

WHT+12VDC

1 6

J3

TAC672B

MotorControl

1

3

J5

3

4

5

2

3

4

5

1

2

J4

+12VRED

-12VBLK

+30VWH

FAN1BLUE

2FAN

FAN3

RED

BLK

1STEPPER

1

5

4

6

671TACMain

Board

670TACcontrol

J12

MOTOR

J11

K8

K9

K7

J14

3

KLB

LEY / RG

NRB

T H W 2

FC

L1 N

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

115VAC MainsACSupply

51302523981-A

Fig. 13 System Wiring Schematic DFF2HH09J1A, DFF2HH12J1A

9