Verasys Boiler Controller Quick Start Guide
5
GR
OU
N
D
TX
-1
24
V
A
C
24
V
CO
M
12
0
V
A
C
PO
W
E
R
1
2
0
V
A
C
GR
OU
N
D
PS
-1
24
V
A
C
24
V
CO
M
SA
SA
1
2
4
8
16
32
64
12
8
ON
Address:
SA
FC
OU
T
9
OC
OM
9
OU
T
1
0
OC
OM
1
0
O
U
T1
1
OC
OM
1
1
OU
T
1
2
OC
OM
1
2
OU
T
1
3
OC
OM
1
3
OU
T
1
4
OC
OM
1
4
OU
T
1
5
OC
OM
1
5
OU
T
1
6
ANALOG OUTPUT
HO
T
24V
CO
M
IOM5731
SA
PW
R
CO
M
+
-
+
-
CO
M
SH
L
D
SA/FC BUS
OC
OM
1
6
OU
T
1
OC
OM
1
OU
T
2
OC
OM
2
OU
T
3
OC
OM
3
OU
T
4
OC
OM
4
OU
T
5
OC
OM
5
OU
T
6
OC
OM
6
OU
T
7
OC
OM
7
OU
T
8
RELAY OUTPUT
OC
OM
8
FC EOL
IN
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
-
+
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Table 4:
IOM5731 point to point wiring diagram
(Part 1 of 2)
No
Description
Object Name
JCI part
no
1
Boiler 1 isolation valve
command
BLR1-ISO-C
Relay
contact
2
Boiler 2 isolation valve
command
BLR2-ISO-C
Relay
contact
3
Boiler 3 isolation valve
command
BLR3-ISO-C
Relay
contact
4
Boiler 4 isolation valve
command
BLR4-ISO-C
Relay
contact
5
Secondary hot water pump
1 command
SHWP1-C
RIBU1C
6
Secondary hot water pump
2 command
SHWP2-C
RIBU1C
7
Secondary hot water pump
3 command
SHWP3-C
RIBU1C
8
Secondary hot water pump
4 command
SHWP4-C
RIBU1C
9
To next SA device
10
From last SA device
11
Bypass valve output (to
pump VFD)
BYP-O
12
Hot water mixing valve
output (to pump VFD)
HWMIX-O
Valve
13
Boiler or boiler-setpoint 4
output (to pump VFD)
BLR4-O/
BLR4SP-O
VFD
14
Boiler or boiler-setpoint 3
output (to pump VFD)
BLR3-O/
BLR3SP-O
VFD
15
Boiler or boiler-setpoint 2
output (to pump VFD)
BLR2-O/
BLR2SP-O
VFD
16
Boiler or boiler-setpoint 1
output (to pump VFD)
BLR1-O/
BLR1SP-O
VFD
Table 4:
IOM5731 point to point wiring diagram
(Continued) (Part 2 of 2)
No
Description
Object Name
JCI part
no
Figure 8: IOM5731 point to point wiring diagram