RDT Transfer Switch Manual

TP-6345 9/1338 Section 4 Accessories
4.4 Model SE Accessories
The service entrance (SE) model transfer switch offers
all the standard accessories discussed in previous
sections plus the additional accessories discussed
here. See dimension drawings ADV-8444 or ADV-8445
in Section 7 for model SE accessory locations.
4.4.1 Surge Protective Device (SPD)
(Model SE)
An optional surge protective device (SPD) is available
for the service entrance model transfer switch. Installed
on the Normal source side, the SPD protects the system
from voltage surges, preventing damage to household
loads. The SPD resets automatically.
Diagnostic LEDs
Red and green indicators on the surge protective device
(SPD) indicate connected power and protected status.
See Figure 4-9 and Figure 4-10.
Note: All wires must be connected and power applied
for the LEDs to illuminate.
If the red indicator is on, the SPD no longer provides
protection. Replace the SPD. See Section 6.5 for
replacement instructions.
1
GM79899
1. Red and green indicators
Figure 4-9 SPD Status Indicators
Green
LED
Red
LED
Status
ON OFF
AC power is present and protection
is provided.
OFF ON
AC power is present but the SPD
module needs replacement. The
remote indication changes state.
See Section
6.5 for SPD
replacement instructions.
OFF OFF
AC power or ground is missing:
Verify that wire connections are
correct.
Make sure that circuit breaker is
engaged.
Check panel for power.
Figure 4-10 SPD Diagnostic Indication
SPD Specifications
Surge current 80 kA per phase
Let-through voltage
430 V @ 3 kA
690 V @ 10 kA
Figure 4-11 SPD Specifications
Remote Indication
An indicator for the optional surge protective device
(SPD) can also be connected to the accessory
connection terminal block. The contact changes state to
indicate that the SPD module needs replacement. See
Section 2.7.5 for remote indicator connection
instructions.
4.4.2 Accessory Circuit Breakers
(Model SE)
Optional 15-amp single-pole circuit breakers for the
generator set carburetor heater and the transfer switch
space heater are available for the service entrance
model transfer switch. See Section 2.7.5 for connection
instructions.
The service entrance model includes a 15-amp
single-pole circuit breaker for the generator set battery
charger as standard equipment.