Reznor JT4BD Unit Installation Manual - Manual (Page 25)

25
Blue
HPS
YELL
OW
W/
BLA
CK HASH
YELLOW
RED
BLA
CK
RED
RED
BLUE
ORANGE
BLA
CK
BLAC K
OUTDOOR F
AN MO
TO
R
CONT ACT OR
DEFR
OST
THERMOST
AT
CCH
(IF EQUIPPED
)
COMPRESSOR
REVERSING
VA
LV
E
SOLENOID
DEFR
OST CONTR
OL BO
ARD
LO
W
VO
LT
AG
E
TERMINALS SEE NO
TE 6
T1
T2
T3
L1
L2
L3
BLAC K
BLACK
R
C S
CAP
A
CIT
OR
BLA
CK
T1
T2
T3
6
4
T2
T2
DFT TEST
DFT
C
C
Y
Y O
O
O R R
R E
E
W2
W2
T1
DF1
DF2
4
6
T1
T2
T3
BLUE
Split System Heat Pump
Three Phase
460
V
WIRING DIA
GRAM
NO
TES:
1.
Disconnect all po
wer bef
ore servicing.
2.
For suppl
y connections use copper conductor
s onl
y.
3.
For replacement wires use conductor
s suitable f
or 105deg.
C
4.
For suppl
y wire ampacities and o
ver
current pr
otection
,
see unit data label.
5.
Connect to 24 v
ac/40
va
/c
lass 2 cir
cuit
.
See furnace/air handler installation
instructions f
or contr
ol cir
cuit and optional Rela
y/T
ransf
ormer Kits
.
1.
Couper le courant
av
ant de faire letretien.
2.
Empl
oy
ez uniquement des conducteur
s en cuivre
7107360
05/07
FIELD
WIRING LEGEND:
LO
W
VO
LT
AG
E
HIGH
VO
LT
AG
E
R
C S
CC
¢710736-¤
GR
OUNDING SCREW
L1
L2
L3
GRD
(3 PHASE)
FIELD SUPPL
Y
BLA
CK
BLUE
BROW N
BLAC K
YELLO
W
BLA
CK
COMPRESSOR
MO
TO
R
OUTDOOR
FA
N
MO
TO
R
CCH (IF EQUIPPED)
CAP
A
CIT
OR
DFT
RV
S
HPS
DEFR
OST CONTR
OL BO
ARD
LO
W
VO
LT
AG
E
TERMINALS
T2
T1
T3
L1 L2 L3
CONTR
OL
LOGIC
3
3 1
1
1
2
2
4
4
5
5
DFT
DF2
DF1
R W2 O Y C T2 T1
R W2 O Y C E
DEFR
OST BO
ARD OPERA
TION:
CLOSES DURING DEFR
OST
.
RA
TING:
1 AM
P.
MAX.
OPENS DURING DEFR
OS
T.
RA
TING:
2 HP
.
AT
230
VA
C MAX.
CLOSED
WHEN
“Y
”
IS ON.
OPEN
WHEN
“Y”
IS OFF
.
PR
O
VIDES
“OFF”
DELA
Y
TIME
OF 5 MIN
. WHEN
“Y”
OPEN
S.
WITH DFT CLOSED AND
“Y”
CLOSE
D,
COMPRESSOR R
UN
TIME IS
A
CCUMULA
TED
. OPENING OF DFT DURING DEFR
OST OR INTER
VA
L
PERIOD RESETS
THE INTER
V
AL
TO
0.
GR
OUND ON LOCA
TION PR
O
VIDED INSIDE COMPRESSOR
TERMINAL BO
X.
Figure 16. T4BD Wiring Diagram - Three Phase, 460V Models