NSi Industries DW200A - Manual (Page 4)

INSTRUCTIONS FOR INSTALLATION
1. Remove unit from enclosure by pushing the inside
tab (located near the outside hasp) to the right.
Swing unit to left and remove.
2. Five combination 1/2” and 3/4” knockouts are pro-
vided on this enclosure. Remove the 1/2” (inner)
knockout by inserting a screwdriver in the slot pro-
vided and pound screwdriver handle with a ham-
mer. Remove knock-out with pliers and smooth hole
edges with file or knife if necessary. When the 3/4”
outer knockout is required, place screwdriver in
groove and pound screwdriver handle with hammer.
Remove loose knock-out with pliers and smooth
hole edges with file or knife if necessary.
Disconnect power at main panel prior to installing or ser-
vicing this time switch or the equipment connected to it.
Connect in accordance with national and local electri-
cal codes.
Installation by a licensed electrical contractor is recom-
mended.
3. When attaching conduit to enclosure, exercise care
to align and support conduit in order to prevent
unnecessary stress on enclosure.
4. Install 9V lithium battery supplied with the unit.
Note: Unit should be connected to AC power within
24 hours of battery installation in order to prolong
battery life which has 30 day cumulative backup for
real time and 7-10 year shelf life. REPLACE WITH
ANOTHER 9V NON-RECHARGEABLE BATTERY
ONLY.
5. Reinstall unit by reversing step 1 above and con-
nect wires according to wiring diagram on inside
case label.
GROUNDING
National Electrical Code requires that grounding must
be continuous and in proper electrical contact in all
grounding conductors, metallic conduits and grounding
terminals. When using metal conduits, install the prop-
er size approved grounding bushings. The minimum
size copper grounding conductors must be #10 AWG if
the circuit breaker or fuse is 30 or 40 amp, #12AWG if
20 amps, and #14 AWG if 15 amp.
NOTE: Do not use top entry for wiring.
1
WE SUGGEST YOU MAKE COPIES OF THE SCHED-
ULE SHEETS LOCATED IN BACK OF THIS BOOKLET
AND COMPLETE THEM PRIOR TO SETTING THE UNIT.
INSTRUCTIONS FOR SETTING THE UNIT
Connect unit to main power source prior to entering the settings.
First time power up - display shows 12HR
Press ENTER.
Note: If screen shows 24HR, press hour key so that 12H
appears instead. Then press ENTER. This unit will not accept
24 hour military format although it may appear on the screen.
After you press ENTER unit display shows
NOTE:
1.
If 24HR format is entered in error, it can only be
changed by clearing all memory. See note 4 on
page 7.
2. Unit will not go to run mode unless it has clock
and calendar information.
3. In any of the other setting modes, if no entry is
made for 5 minutes, unit will go to run mode (time
and day are displayed - colons are flashing).
1.0 TO SET THE CLOCK (Time of day and day of the week.)
Press HOUR to advance the time in hours to
desired setting. Check AM/PM.
2
CLK