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9 Exerciser GM39330
The older style programmable timer GM39330 shown in
Figure 19 is no longer available. Instructions for the
GM39330 timer are provided in this section for
reference.
Figure 19 Programmable Exerciser GM39330
(no longer available)
Programmable Exerciser Specifications
Output 1 SPDT relay with dry contacts
Switch rating 16A 277VAC resistive
Supply voltage 208/240VAC, 50/60Hz ;
100 hour capacitor backup of
memory and display
Power required 4VA
Ambient temperature
range
-- 2 8 Cto60C
(--20F to 140F)
Connection 1/4 in. quick connects
10 -- 24 AWG
Accuracy 4 minutes per year
Shortest switch time 1 minute
Figure 20 GM39330 Specifications
The Programmable Exerciser is programmable for
24-hour or 7-day schedules. Follow the instructions in
this document to install (if not factory-installed) and
program the exerciser.
9.1 Installation Procedure,
Exerciser GM39330
For installed kits (GM38798-KA1 and -KA2), start with
the ATS Setup section and then proceed to the
programming instructions.
1. Disable the generator set to prevent accidental
starting:
a. Disconnect power to the battery charger, if
equipped.
b. Disconnect the generator set engine starting
battery, negative (--) lead first.
2. Disconnect power to the transfer switch before
opening the ATS enclosure.
9.1.1 Mounting
Mount the programmable exerciser on the bracket
provided with the kit as shown in Figure 22.
1. Install the mounting bracket as shown in Figure 22.
2. Insert the exerciser through the opening in the
bracket. With a screwdriver, press down and turn
the outer screws until the flanges are in position to
fasten the unit in the bracket, then release.
3. Insert plugs into the unused holes. See Figure 21.
2
1
2
1
1. Outer screws 2. Holes
Figure 21 Mounting Flanges