Full Product Manual

Operation
14 Automatic Transfer Switch Owner’s Manual
Shutting Generator Down To Perform
Maintenance
1. Press the OFF mode button on the controller.
2. Turn the main utility disconnect OFF (OPEN).
3. Turn the MLCB (generator disconnect) on the
generator to OFF (OPEN) and follow maintenance
procedure(s).
To turn the generator back ON:
1. Turn the main utility disconnect ON (CLOSED).
2. Put the generator into AUTO mode.
3. Set the MLCB (generator disconnect) on the
generator to ON (CLOSED).
The system is now in automatic mode.
Testing The SACM
A Test pushbutton is provided on top of the SACM to test
the operation of the load shed functions. The Test button
will work when the ATS is in the utility or the generator
position.
1. Turn on the utility supply to the ATS.
2. Verify managed loads are powered and all LEDs
illuminate on SACM.
3. Press the TEST button on the SACM.
4. Verify that all of the connected loads to be “shed”
become disabled.
5. After five (5) minutes verify A/C 1 is energized and
Status LED A/C 1 is ON.
6. After another 15 seconds, verify A/C 2 is energized
and Status LED A/C 2 is ON.
7. After another 15 seconds, verify Load A/C 3 is
energized and Status LED Load A/C 3 is ON.
8. After another 15 seconds, verify A/C 4 is energized
and Status LED A/C 4 is ON.
Testing The SMM
Refer to the SMM Owner’s/Installation Manual for testing
procedure.
Fuse Removal and Installation
See Figure 3-2. A fuse removal and installation tool (A)
is included in the control housing.
Figure 3-2. Fuse Removal and Installation Tool
If a fuse requires replacement, snap the tool free with an
appropriate tool such as diagonal pliers, and use it to
replace the fuse. The tool can be stored in the control
housing retainer directly above the fuses, with the large
thumb tab facing out.
Use only Generac replacement fuses—part number
100000005117, rated 240 VAC, 6.3 Amps, 10,000 AIC.
Alternative fuses are Littelfuse® 021606.3MXHP or
Optifuse® FCD-6.3.
005450
A