26
Fig. 20 — 115-v ECM Motor with DDC Ready Controls
24
VA
C
GRN
RED/501
TRAN1
BRN
/5
0
4
WHT
/1
1
0
WHT
SW
1
BL
K
/1
0
1
WHT/110
BL
K
/1
0
2
FU1
USE COPPER SUPPLY WIRES.
11
5 V
L1
N
GND
BLK
/10
0
BL
K
DISC1
GRN
BL
K/1
0
9
120
VAC
BLK
/10
9
WHT/111
WH
T/111
LO
W
ME
D
HIGH
MA
X
24
Va
c
SP
EED BO
ARD
BL
U/
EC
9
GRN
WH
T
BLK
ORN
/EC2
3 W
IR
E
POW
E
R
CABL
E
EC
F
A
N
MOTOR
1
3
12
2
9
14
5
4
3
2
1
16
PIN
RECEP
T
A
CLE
ON MOTOR
5 PIN
RECEP
T
A
CLE
ON MOTOR
11
5
BRN
SW
2
RED/EC12
RE
D/EC
12
YE
L
/E
C
5
SE
E
N
O
T
E
3
FR1
2
4
RED/
501
3
1
FR1
2
1
5/
K
L
B
4
0
5/
N
R
B
BRN/51
3
RED/514
CBC1
4
3
2
SEE CONT
ROL DIAGR
AM
FOR HARNESS WIRING
BRN/50
5
BRN/
EC1
RED/514
RED/502
RED/503
MAX
LO
W
HI
GH
L
E
GEND
CB
C
—
Control Box Connection
DD
C
—
Dir
e
ct Digital
Contr
o
ls
DI
S
C
—
Disconnect Switch
EC
—
E
lectronically Commutated
EC
M
—
E
lectronically Commutated
Mot
or
ESP
—
E
x
ternal Static Pressure
FR
—
Fan Re
lay
FU
—
Fus
e
GND
—
Ground
SW
—
Sw
it
c
h
T
RAN
—
Tran
sformer
Harness Connection
Connection
Point Splice
S
p
lice T
erminal Connection
Component T
ie
P
o
int
Optional Wiring
F
a
ctor
y Wi
ri
ng
Chassis Ground
E
a
rth Ground
NO
TE
S
:
1.
Make electrical installation in
a
c
cordan
ce with jo
b
d
iagram, and in
complian
ce w
ith na
tional and local e
lectrical codes.
2.
Lo
w limit thermostat (LLT) is inst
alled on all un
its with water co
ils.
3.
Wire YEL/EC5
facto
ry con
nected
to LOW. Positions M
E
D
, HIGH, and
MAX are for field use with i
n
cre
a
s
ed ESP.
