Daikin ComfortNet DX7TC Service Instructions Manual page 118

WIRING DIAGRAMS
PL1 PL2
RD
2 2
3
3
BK
1
1
6
6 WH
5
5
BL
4
4
7
7
8 8
9 9
SEE
NOTE 7
BK
RD
BL
GY
BK
RD
NOTES:
1. PLACE RED WIRES ON TRANSFORMER TERMIN AL 2 FOR 208 VAC OPER ATION.
2. MANUFACTURER'S SPECIFIED RE PLACE MENT PA RTS MU ST BE U SED WHEN SERVICING.
3. IF ANY OF THE ORIGINAL WIRES AS SU PPL IED WITH THIS UNIT MU ST BE R EPLACED,
IT MU ST BE R EPLACED WITH WIR ING M ATERI AL HAVING A TE MPER ATURE R ATING OF AT
LEAST 105°C. USE CO PPER CON DUCTORS O NLY.
4. UNIT MUST BE PER MANE NTLY GROUNDED AN D CONF ORM TO N.E.C A ND LOC AL CODES.
5. TO RECA LL THE LAST 6 FA ULTS, M OST RECENT TO LEA ST RECENT, D EPRE SS
SWITCH FOR MORE T HAN 2 SECONDS WHILE IN
6. RED STATUS LED PROVIDES N ETWORK STATUS. GREEN RX LED IND ICATE S NETWORK TRAFFIC.
USE LEARN B UTTON TO RES ET N ETWORK.
7. DISCARD C ONNECTOR PL1 WHEN INS TALLING O PTIONAL H EAT KI T.
8. THE CONDENS ATE ALARM SW ITCH (CA S) TERMIN ALS CAN ONLY BE UTILIZED W ITH CO MMUN ICATING
MODE S ETUPS AND MU ST BE ENA BLED WITH A COMMUNIC ATING THERM OSTAT. THIS F EATURE IS N OT
OPER ATIONAL W ITH LEGACY SY STE MS.
USE N.E.C CLA SS 2 WIRE.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
118
HIGH VOLTAGE!
D
ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT
M
ULTIPLE POWER SOURCES MAY BE PRESENT
CAUSE PROPERTY DAMAGE
40 VA TRANS FORMER, SEE N OTE 1
230 VAC
RD
3
RD
208 VAC
24 VAC
2
COM
1
BL
BK
BR
C W 2 W 1
4 CIRC UIT HEA TER
CONN ECT OR
LEARN
SEE NOTE 5
FAULT SEE NOTE 6
RECALL
SEE NOTE 6 STATUS
LED
7 SEGMENT
DIAGNOSTIC
DISPLAY
CFM LED
4
SEE NOTE 6
3
2
1
S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13
DIP SWITCHES
TWO-STAGE INTEGRATED CONTROL MODULE
CIRCULATOR BLOWER
4 3 2 1
ECM MOTOR
1
HARNESS
2
3
4
5
STANDBY (NO THERM OSTAT INPU TS)
,
PERSONAL INJURY OR DEATH
GRND
GN
DISCONNECT
BL
RD
TR
TH
COM
24 V 3 A FUSE
CAS
L1
SEE NOTE 8
DEHUM
FUSE 3 A
O
R
Y2
RX LED
Y1
W1
W2
W1
W2
G
Y1
C
R
TO
Y2
MICRO
2
1
G
O
DEHUM
C
GN
GRND
RD
BK
INTEGRATED CONTROL
LOW VOLTAGE (24V)
LOW VOLTAGE FIE LD
HI VOL TAGE (230V)
HI VOL TAGE FIE LD
INTE RNAL TO
EQ UIPMENT GRND
FIEL D GRND
FIELD SPL ICE
OVERCUR RENT
PROT. DEV ICE
PLUG CONNECTION
.
. F
AILURE TO DO SO MAY
.
L1
GRND
INDOOR
AIR
CIRCU LATOR
BLWR
208/230 VAC
40 VA
TRANSFORMER
TH
24 VAC
W1 (1)
HEAT 1 COIL/R1
W2 (2)
HEAT 2 COIL/ R2
CAS (1)
CONDENSATE SWITCH
CAS (2)
+VDC (1)
RX (2)
TX (3)
GRND (4)
TR
COM
INTEGRATED CONTROL MODULE
COLOR CODES:
PK ---- PINK
BR ---- BROWN
WH ---- WHITE
BL ---- BLUE
JUNCTI ON GY ---- GRAY
TERMINAL
RD ---- RED
YL ---- YELLOW
OR ---- ORANGE
PU ---- PURPLE
GN ---- GREEN
BK ---- BLACK
RE SISTOR
DV**PTC/MBVC
L2
GRND
L2
IND OOR
AIR
CIRC ULAT OR
BLW R
GRND
0140A00244-B