Winco PSS12H/A - Manual (Page 10)

PAGE 8 60706-157 3063-10
WINCO UL ATS
The only significant difference when making your AC
connections in the ULATS, is the AC terminals are
labeled differently. Instead of labeling the incoming
power line L1 and L3, the ULATS identifies the normal
power connection as N1 and N3. Likewise the generator
connection terminals are labeled E1 and E3 versus G1
and G3 in the standard WINCO Non-UL panels. The
load terminals are labeled T1 and T3, same as in the
Non-UL switches.
INSTALLATION NOTES
The load current carrying wires (L) and (T) must be
sized to handle the maximum load current without
excessive voltage drop. By code, the wire must be heavy
enough to handle the full current rating of the main line
circuit-breaker (or fuse) in the entrance (or sub-panel)
protecting the contactor switch.
All wires should be installed in rigid or flexible conduit.
(Knockouts are provided in the control box)
Because of the many different types of service, feeder,
and distribution equipment, no specific wiring instruc-
tions can be provided. It is, however, recommended that
only copper wire be used. In all cases it is essential that
while the load is connected to the generator, there can be
absolutely no feedback from the generator to the power
line or the power line to the generator. When properly
installed, the normal A.T.S. control and safety systems
will eliminate all paths for feedback. Check with your
local electrical inspector on applicable local, state and
federal codes.
*************
***** WARNING *****
*************
A service disconnect must be installed in front of the
A.T.S. panel as the A.T.S is not service entrance rated.
This will allow you to test the generator under load.
Should you ever have to work on the switch, you will be
able to disconnect the power and work on the switch cold
without having the power company pull your meter.
To wire the automatic transfer switch into the existing
wiring, first determine which circuits will be on the
emergency load circuit. If the entire load is to be trans-
ferred, the transfer switch can be wired in directly after the
watt-hour meter and the service entrance, providing the
service entrance ampere rating is within the transfer
switch’s rated capability.
If only specific circuits are to be powered under
emergency power failure conditions, an additional
distribution panel designated “emergency distribution
panel” must be installed.
All selected emergency circuits are removed from main
distribution panels and reinstalled in the emergency
distribution panel. Suggested circuits: freezer, refrigera-
tor, furnace, emergency lights, sump pump, emergency
outlet circuits, etc. Total running load must not exceed
generator rating.
D.C. ELECTRICAL INTERCONNECTION
*******CAUTION******
Never run the AC and DC wiring in the same conduit.
WINCO NON-UL ATS
Two control wires are required to be installed between
the A.T.S. panel and the generator control terminal box.
Depending on the distance 14 to 16 gauge stranded wire
should be used. These wires will be labeled “Bat -”, and
“Start”.
The control wires will be connected as follows in the
generator control terminal box:
ATS Panel Generator Control Panel
Start 1 to Wire # S1, (Bat Neg)
Start 23 to Wire # S23 (Start)
WINCO UL ATS
Your DC connection points in the UL ATS are marked
differently than the terminal markings in the Non-UL ATS.
Instead of being marked “Start 1” and Start 23” they are
marked start contacts “11” and “12”. The wire labeled
“S1” is routed to start contact “11” and the wire labeled
“S23” is routed to start contact “12”
SETTING THE EXERCISER CLOCK
WINCO Non-UL Only
Setting the current time and date.
1. Position the top right hand (RUN) slide switch to the
left position.
2. Push the clock’s “Day Select Button” until the clock
displays a triangle under the number corresponding to
the current day of the week. (Monday is day 1, Sunday is
day 7)
3. Push the “Hour Select Button” until the display
indicates the correct time in hours. Note: In the afternoon
you should push the button until a “P” is displayed
beside the correct hour.
4. Push the “Minute Select Button” until the display
indicates the correct time in minutes.
5. Position the top right hand (RUN) slide switch to the
center position. The correct time and date should now
be displayed.