Page 19
SOF_7.2.3-02-152
Effective date: 30-May-08
OWL
User Gude
Low Voltage Electrical Connections
Recommended wiring for the OWL to the S1 or C1 is a 4 conductor 18 gauge shielded cable.
Use 2 conductor 18 gauge shielded cable for communication between all the units.
Note: Communication wire length should be limited to 500 feet total in any wiring run
(for example: five sections 100 feet each daisy chained together or one continuous piece equals 500 feet ).
(1). These wires can be included in the wire bundle with the communication wires, but will be connected to only one
of the RAMVAC equipment controls in the system.
(2). A separate transformer is used on OWL only if the 12VDC is not supplied by the S1 or C1.
MULTIPLE UNIT SYSTEMS
RAMVAC
OWL
Connections
RAMVAC
S1
Connections
CustomAir
by RAMVAC
C1
Connections
RAMVAC
Interface Control
Connections
Communication
RS485
A
A
A
A
RS485
B
B
B
B
shield / gnd
C
C
C
N/A
Vacuum Pressure
Switch
(connect to vacuum node 1)
N/A
D
N/A
N/A
E
DC + Voltage
5
5
(1)
5
(1)
N/A
DC Gnd
6
6
(1)
6
(1)
N/A
Low Voltage
Switching
N/A
N/A
N/A
R
Y
12 VDC transformer
Black/white stripe wire
+
5
(2)
N/A
N/A
5
12 VDC transformer
Black/lettering wire
-
6
(2)
6
Содержание OWL
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