QUANTUM™ HD UNITY SYSTEM CONTROLLER
MAINTENANCE
090.670-M (APR 2020)
Page 35
TES
T F
U
SE
H
ER
E.
IF
L
AM
P L
IG
H
TS
FU
SE
IS
O
K
SPA
R
E F
U
SE
P8
D
8
1
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
5A
F7
F8
F9
F1
0
F3
F2
F1
F4
F5
F6
F1
1
F1
2
F1
3
F1
5
F1
4
F1
7
F1
6
F1
8
F2
3
F2
2
F2
1
F2
4
F1
9
F2
0
BO
AR
D R
EV
ISIO
N
LE
VE
L
BO
AR
D P
AR
T N
U
M
BE
R
SE
R
IA
L #
R
EV
IS
IO
N
PA
R
T #
640
D
0062
H
PR
OG
R
AM
EP
R
O
M
D
IO
19
20
0
PR
OG
R
AM
VE
R
S
IO
N
I/O
C
O
MM
UN
IC
AT
IO
N
AC
TI
VIT
Y L
AM
PS
D
25
TX
D
26
R
X
D
28
AC
TI
VE
M
ICR
O
PR
O
C
ESS
O
R
W
AT
CHD
OG
L
AM
P
(B
LIN
K
S I
F
O
K)
M
7
D
7
M
8
M
9
D
9
M
10
D
10
M
3
D
3
M
2
D
2
M
1
D
1
M
4
D
4
M
5
D
5
M
6
D
6
M
11
D
11
M
12
D
12
M
13
D
13
M
15
D
15
M
14
D
14
M
17
D
17
M
16
D
16
M
18
D
18
M
23
D
23
5A
O
U
T
IN
F2
4
M
24
OUTPUT MODULE
OPTIONAL
D
24
M
22
D
22
M
21
D
21
M
24
D
24
M
19
D
19
M
20
D
20
1
AMP794068-1
POWER
ON
D
29
+5
V
O
LT
S
+1
2 V
O
LT
S
-12
V
O
LT
S
G
N
D
-R
X /
-T
X
+R
X /
+
TX
BO
AR
D D
C P
O
W
ER
I/O
C
O
M
M
U
NIC
AT
IO
N
S
+5
D
C
PO
W
ER
IS
O
K
U8
P7
FUS
E P
O
SIT
IO
N
D
ET
ER
M
IN
ES
IN
PU
T OR OUTPUT
DIGITAL I/O BOARD
Alarm Output
Vessel 1 Liquid Solenoid A
HOT
NEUTRAL
Vessel 1 Liquid Solenoid B
Vessel 1 Pump A Run
Vessel 1 Pump B Run
Vessel 1 Pump C Run
HOT
NEUTRAL
Vessel 1 High Level Shutdown (safe closed)
Compressor Running Vessel 1
1
P5
1
P4
1
P2
1
P1
1
P3
1
P6
INPUT MODULE
INPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
INPUT MODULE
INPUT MODULE
INPUT MODULE
INPUT MODULE
OUTPUT MODULE
INPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
INPUT MODULE
OUTPUT MODULE
OUTPUT MODULE
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
IN
O
U
T
O
U
T
IN
O
U
T
IN
IN
O
U
T
IN
O
U
T
IN
O
U
T
O
U
T
IN
O
U
T
IN
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
IN
O
U
T
INPUT MODULE
INSTALLED
FUSE
5A
FU
SE
SPA
R
E
FU
SE
D
27
FUSE TESTER
1
AMP794068-1
OUTPUT MODULE
CO
MM
U
NIC
AT
IO
N
S J
U
M
PE
RS
O
PEN
D
IPS
W
IT
CH
SE
TT
IN
G
S S
IG
N
IF
Y
BO
ARD
ID
EN
TI
FIC
AT
IO
N
NU
M
BER
DP1
J5
J7
J8
J9
J1
0
Vessel 2 Liquid Solenoid A
Vessel 2 Liquid Solenoid B
HOT
NEUTRAL
Vessel 2 Pump A Run
Vessel 2 Pump B Run
Vessel 2 Pump C Run
Vessel 2 High Level Shutdown (safe closed)
HOT
NEUTRAL
Compressor Running Vessel 2
Digital Aux. Input A
Digital Aux. Input B
Vessel 3 Liquid Solenoid A
HOT
NEUTRAL
Vessel 3 Liquid Solenoid B
Vessel 3 Pump A Run
Vessel 3 Pump B Run
Vessel 3 Pump C Run
HOT
NEUTRAL
Vessel 3 High Level Shutdown (safe closed)
Compressor Running Vessel 3
Figure 21: Vessel digital board 4