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25
WIRING DIAGRAM
I-Controller Level 4
Model 750, (460 VAC)
Sheet 2 of 2
OPTIONAL DR
AIN
Dr
ain A
lar
m #2 I
nput
13
21
W36
W28
W37
W34
W32
W30
FMD #1 I
n (RJ-11)
FMD #2 I
n (RJ-11)
J2 RS
-232
RED
BLA
CK
WHITE
22
21
20
19
18
17
16
15
14
W38
Ev
apor
at
or T
her
mist
or
Ev
apor
at
or T
her
mist
or
Phase B xfmr I
nput
Phase A xfmr I
nput
Phase C
om. xfmr I
nput
W4
N/A
N/A
W7
W6
W5
N/A
W35
Gnd
. (
W28 thru
W32)
Remot
e/L
ocal I
nput
Remot S
tar
t/S
top I
nput
N/A
N/A
W33
W31
N/A
N/A
N/A
W29
W12
30
37
35
36
34
35
34
33
32
31
TC
I
TB2
TB2
25
29
28
27
26
28
27
26
24
23
22
23
22
TB2
28
26
27
EMM INSTRUMENT BO
ARD
W20
W24
W26
W22
12
11
10
09
07
08
06
05
04
Gnd (
W8 thru
W14)
Dr
ain A
lar
m #1 I
nput
Lo
w P
ressur
e S
w
. I
nput
Hea
ter #1 ON I
nput
High P
ressur
e S
w
. I
nput
Alar
m A C
om.
Compr
essor #1 ON I
nput
Alar
m A N/C
Alar
m A N/O
W15
W13
W14
W11
W10
W9
W8
W21
W19
Alar
m B N/C
Alar
m B C
om.
Dr
ain T
est
O
utput
Alar
m B N/O
Dr
ain T
est
O
utput
Compr
essor #1 O
utput
Compr
essor #1 O
utput
W27
W18
W17
W16
N/A
N/A
W25
W23
FR
OM SHEE
T 01
01
03
02
00
Chassis Gnd
.
TB2
X
24V
AC IN
24V
AC IN
W3
W2
W1
X
TB2
3
X
REMOVE JUMPER IF OPTIONAL DR
AIN INST
ALLED
TB2
TB2
TB2
TB2
TB2
19
20
21
18
17
19
20
21
18
17
14
16
15
13
12
14
16
15
13
12
16
TB2
TB2
TB2
20
18
19
17
TB2
TB2
14
12
15
15
13
TB2
TB2
TB2
10
11
9
8
10
11
9
8
7
6
4
5
7
4
TB2
TB2
10
8
11
9
TB2
4
7
X
CONT 1
19
16
20
19
18
17
CONT 1
19
4
8
7
BLU
TB2
CONNEC
TOR
PE
2
1
PE
2
1
PE
BRN
RED
BRN
F1
LO
AD
LINE
WHITE
PE
BLU
TB2 19
18
19
HPS/LPS SENSOR HARNESS
17
19
HPS
LPS
HPS
4
6
PE
1
1
PE
6
4
TB2 19
DR
AIN 2 HARNESS
X
N
20
19
7
8
5
3
2
8
7
19
20
N
X
5
3
2
DR
AIN 1 HARNESS
4
24V
AC
ALM
TEST
TEST
ALM
24V
AC
COMPRESSOR CONT
AC
TOR
N
FR
OM SHEE
T 01
TB2
N
BLACK
WHITE
DB9 M
ALE C
ONNEC
TOR
(M
oun
ted in Enclosur
e)
3
8
9
5
RED
4
6
7
2
1
-4NO
-3NO
-1NC
-2NC
CONT 1
A1
A2