Nordyne T3BN, User'S Information And Installation Instructions Manual

Page: 13 / 16

13
RELA
Y
4
2
3
1
6
5
T1
T2
T3
CCH
C
S R
T1
T2
C
Y
O
W
2
R
DFT
DF1 DF2
E
DEFR
OST
CONTR
OL
BO
ARD
CY
O
W
2
R
E
L3
L2
L1
GRD
REV
VA
LV
E
DFT
LO
W PRESSURE
SWITCH
THREE PHASE FIELD SUPPL
Y
CAP
A
CIT
OR
CONT
A
C
T
O
R
OUTDOOR
F
AN
M
OTO
R
COMPRESSOR
HIGH PRESSURE
SWITCH
T1 L1
L2
L3
T2
T3
ORANGE
GRA
Y
BLA
CK HARNESS
RED HARNESS
GRA
Y
YELLO
W HARNESS
BLA
CK
BLA
CK
BLACK
PURPLE
ORANGE
BLACK
WHITE
BLACK
BLUE
BLUE
BR
O
W
N
BLA
CK
GREEN
RED
Split System Heat Pump
Three Phase
GRAM
NO
TES:
1.
Disconnect all po
wer bef
o
re servicing.
2.
For suppl
y connections use copper conductor
s
onl
y
.
3.
Not suitable on systems that e
x
ceed 150 v
olts to gr
ound.
4.
For replacement wires use conductor
s
suitable f
o
r 105°C
5.
For suppl
y wire ampacities and o
v
er
current pr
otection,
see unit data label.
6.
Connect to 24 v
a
c/40v
a/c
lass 2 cir
c
uit.
See furnace/air handler installation
instructions f
o
r contr
ol cir
c
uit and optional Rela
y/T
ransf
ormer Kits.
1.
Couper le courant a
v
ant de faire letretien.
2.
Emplo
yez uniquement des conducteur
s en cuivre
3.
Ne con
v
ient pas aux installations de plus de 150 v
olt a la terre
.
FIELD WIRING
LEGEND:
LO
W V
O
LT
A
G
E
HIGH V
O
LT
A
G
E
L1
L2
L3
CCH
CC
OUTDOOR
F
A
N MO
T
O
R
CAP
A
CIT
OR
RELA
Y
COMPRESSOR
CC
L2
L1
L3
C
S
R
CC
T3 T3
E
2
4
1
1
3
R
W2
O
Y C
LOGIC
DEFR
OST CONTR
OL
BO
ARD
DEFR
OST BO
ARD OPERA
TION
1)Closes dur
ing defrost.
Rating:
1 Amp
. Max.
2)Opens dur
ing defrost.
Rating:
2 HP
. at 230
V
a
c Max.
3)Closed when
“Y”
is on.
Open
when
“Y”
is off
. Pro
vides
“off
”
dela
y time of 5 mins
. when
“Y”
opens
.
4)With DFT closed and
“Y”
closed, compressor r
u
n time is
accumulated.
Opening of DFT dur
ing defrost or inter
v
a
l
per
iod resets the inter
v
al to 0.
5)Ground on location pro
vided inside compressor
ter
minal bo
x.
LO
W V
O
L
T
A
G
E
TERMINAL
LPS
HPS
RV
S
DFT
DFT
DF2
DF1
R
W2
O Y C T2 T1
CC
CC - Contactor Coil CCH - Crankcase Heat DFT - Defrost
Ther
mostat
R
VS - Re
v
ersing
V
alv
e Selenoid
LPS - Lo
w Pressure Switch
HPS - High Pressure Switch
7106060