12
OPM-155/A
If your application requires the installation of a Remote
Emergency Stop switch, remove the jumper and wire
your switch to these terminals. This unit will not start and
run without the jumper installed or a remote N/C switch
installed.
C. BATTERY CHARGER FAILURE.
Battery charger failure relay input from remote battery
charger to DSE 7310 MKII controller.
D. REMOTE DISPLAY PANEL INTERFACE TERMINALS.
These interface terminals are pre-wired to allow for the
connection of a remote display. This display allows for
the remote annunciation of alarms at a location such as a
nurse’s station or a control room. This display can be used
to meet the remote annunciation requirements of the
NFPA 110 standards (this feature meets the annunciation
requirements in applications requiring NFPA 110 level on
protection).
DC INTERCONNECTIONS TO THE ATS
WARNING
Be sure Engine/Generator is in the OFF position before
you make any DC interconnections.
CAUTION
Never run the AC and DC wiring in the same conduit.
ASCO 300 UL SWITCH
When Normal
Source Fails
Terminals On
Transfer Switch
Contact Closes
TB1 and TB2
Contact Opens
TB1 and TB3
Engine start and auxiliary circuit terminal block TB located
on 3ATS &3NTS transfer switch.
D.C. CONNECTIONS
All DC connections are completed on the terminal strip
just below the engine control. All DC connection must be
separate conduit. You cannot mix AC and DC leads at the
same conduit.
To install the wires, reference the following picture. Use a
small flat head screwdriver to push the release spring inside
the square hole (A). While the release is being pushed,
insert the wire into the larger circular hole (B). Remove the
screwdriver to secure the wire into place.
CONNECTION BOX TERMINALS
Wire size requirements for each of the connections may
vary but terminal lugs should be used for all connections.
Torque spec for terminal lugs is 9 in. lbs.
A. CUSTOMER REMOTE START CONNECTION TERMINALS.
The two remote start leads from the Automatic Transfer
Switch are connected to the two terminals marked
GROUND & START. The WIRE in terminal GROUND is
battery negative and the wire in the terminal labeled START
is your remote start lead. Closing these two leads together
will signal the DSE 7310 MKII to go into an autostart mode
and start up the generator.
Depending on the distance, 14 to 16 gauge standard wire
should be used. It is suggested that these wires be labeled
S1 (ground) and S2 (start). The terminal blocks are designed
to use terminal lugs on all wires and the screws should be
torqued to 9.6 in. lbs.
Note: Any relay closure can be used to start and stop
this generator. As long as the contact stays closed, the
generator set will continue to run. Once the relay is opened,
the unit will shut down and remain on standby mode until
the remote start relay is closed again.
B. ESTOP - & ESTOP +.
These two terminals are shipped with a jumper installed.
A
B
C
B
D
D
A
A
