RDT Transfer Switch Manual

TP-6345 9/1336 Section 4 Accessories
4.2 External Alarm Module (EAM)
The optional External Alarm Module (EAM) is illustrated
in Figure 4-6. The EAM:
D Allows remote starting and stopping of the generator
set and load transfer.
D Provides remote indication that the generator set is
supplying the load.
D Provides remote indication of the system faults listed
in Section 3.3.
The EAM can be installed indoors up to 152 m (500 ft.)
away from the generator set.
Note: The optional accessory board is required for EAM
connection and operation.
The EAM is powered through the accessory board. The
EAM also contains a rechargeable battery that powers
the module for up to 1 hour when no power is available.
The battery recharges in place when the power returns.
See TT-1416, Installation Instructions, provided with the
EAM for more information.
GM38795
1. Fault LED
2. Alarm silence button
3. Generator set supplying load LED
4. Test (start/stop) button
3
2
1
4
Figure 4-6 External Alarm Module (EAM)
4.2.1 Installation
Locate the EAM indoors in a convenient location up to
152 m (500 ft.) from the transfer switch. The EAM is
designed for indoor installation only. Mount the EAM in a
standard 21 cu. in. utility box with standard GFCI cover
(not provided with kit).
Set DIP switch 3 on the accessory board to the ON
(maintained) position. See Section 4.1.5.
4.2.2 Connection
Use Category 5 straight networking cable with RJ45
connectors to connect P10 on the EAM circuit board to
connector P13 on the accessory board. Cable is not
supplied with the accessory kit; obtain the length of
cable required for the application locally. Use a
maximum cable length of 152 m (500 ft.).
4.2.3 EAM Operation
See Figure 4-6 for an illustration of EAM buttons and
indicators.
Test (start/stop) button. Press and hold the Test
(Start/Stop) button until the GEN LED flashes
(approximately 1 second) to start the generator set and
transfer the load. If no power source is available, the
EAM will attempt to start the generator set until the EAM
battery discharges (10--15 seconds).
Press and hold the button until the GEN LED flashes
again to transfer back to the utility source and stop the
generator set. Pressing the test button will not stop the
generator set if utility power is not available.
Note: The operation of the Test button is affected by the
Maintained/Momentary Test DIP switch on the
accessory board. Set DIP switch 3 to the ON
(maintained) position.
When the EAM Test button is used to start the generator
set and transfer the load, the audible alarm chirps once
every 10 minutes to indicate that the system has been
started remotely and is running.
Alarm silence button. Press the alarm silence button
to silence the alarm. Press the button again to reactivate
the alarm. The alarm silence button also acts as a lamp
test button. Press it to light all of the EAM LEDs.