2
TT-1646 6/15
Safety Precautions
Observe the following safety precautions while installing
the kit.
Accidental starting.
Can cause severe injury or death.
Disconnect the battery cables before
working on the generator set.
Remove the negative (--) lead first
when disconnecting the battery.
Reconnect the negative (--) lead last
when reconnecting the battery.
WARNING
Disabling the generator set. Accidental starting can
cause severe injury or death.
Before working on the
generator set or connected equipment, disable the generator
set as follows: (1) Move the generator set master switch to the
OFF position. (2) Disconnect the power to the battery charger.
(3) Remove the battery cables, negative (--) lead first.
Reconnect the negative (--) lead last when reconnecting the
battery. Follow these precautions to prevent starting of the
generator set by an automatic transfer switch, remote
start/stop switch, or engine start command from a remote
computer.
Hazardous voltage.
Will cause severe injury or death.
Disconnect all power sources before
opening the enclosure.
DANGER
Short circuits. Hazardous voltage/current can cause
severe injury or death.
Short circuits can cause bodily injury
and/or equipment damage
.
Do not contact electrical
connections with tools or jewelry while making adjustments or
repairs. Remove all jewelry before servicing the equipment.
1 Installation Procedure
Note:
Load management priorities are determined by
the relay connections to the load shed kit or
interface/load management board. See TT-1609
for the load shed kit or TP-6807, RXT Operation
and Installation Manual, for load priority and load
management operation information.
1.1 Prevent the generator set from
starting.
1. Place the generator set master switch in the OFF
position.
2. Disconnect the utility power to the generator set.
3. Disconnect the generator set engine starting
battery(ies), negative (--) lead first.
1.2 Install the power relay modules.
1. Identify a convenient location near the transfer
switch or the load. The module will be connected to
the load shed kit or the transfer switch’s combined
interface/load management board and to the
non-essential circuits that can be added or shed by
the load management system.
2. Remove the cover from the module.
3. Cover or remove the relay from the box to protect it
from debris.
4. Use a drill or hole saw to cut openings for the cables
into and out of the box. 7/8 inch and 1 3/8 inch
openings for 1/2 inch and 1 inch conduit hubs are
marked on the box in recommended locations.
5. Use a screwdriver to knock out the mounting holes
in the bottom of the box. Knock out only the holes
that will be used to mount the box.
6. Be sure to install the box with the drain holes
pointing down. Use a minimum of two mounting
screws at opposite corners of the box. Using the
dimensions shown in Figure 7 or using the bottom
of the box as a template, mark and drill two or four
pilot holes or mounting holes for #8 screws as
needed in the mounting surface.
Note:
Be sure to install the box with the drain holes
pointing down.
7. Remove debris from the box and reinstall the relay,
if it was removed. Tighten the relay mounting
screws to 2.3 Nm (20 in-lbs).
8. Use two or four #8 screws to mount the box
securely with the drain holes pointing down.
