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DW200B
3/21/07
11:44 AM
Page 7
INSTALLATION INSTRUCTIONS
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 provid-
ed on this enclosure. Remove the 1/2" (inner) knock-
out by inserting a screwdriver in the slot provided and
pound screwdriver handle with a hammer. Remove
knock-out with pliers and smooth hole edges with file
and 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
servicing this time switch or the equipment connect-
ed to it. Connect in accordance with national and
local electrical codes. Installation by a licensed
electrical contractor is recommended.
3. When attaching conduit to enclosure, exercise care to
align and support conduit in order to prevent unnec-
essary stress on enclosure.
4. Reinstall unit by reversing step 1 above and connect
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 ground-
ing conductors, metallic conduits and grounding termi-
nals. When using metal conduits, install the proper 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
WE SUGGEST YOU MAKE COPIES OF THE SCHED-
ULE SHEETS LOCATED IN BACK OF THIS BOOKLET
AND COMPLETE THEM PRIOR TO SETTING THE
UNIT.
2
Follow the same procedures above to set more
schedule entries for channel 1. At the next blank
screen press SELCT to select desired channel and
proceed with the steps above to set more schedule
entries.
6.0 REVIEW, MODIFY AND DELETE
Press MODE to advance to any of the following
MODES:
1. CLOCK MODE: Press HOUR and MIN to modi-
fy existing settings. Press ENTER.
2. DATE MODE: Press MONTH, DATE and YEAR
to modify existing settings. Press ENTER. DAY is
automatically adjusted.
3. DST Daylight Saving Time: To review press
ENTER. To modify press MONTH, DATE and
DAY to change existing setting. Press ENTER.
4. HOLIDAY MODE: Press ENTER to advance to
desired holiday. Press MONTH and DATE to
modify, DEL to delete. Press ENTER.
5. SCHEDULE MODE: Press ENTER to advance
to desired channel. Press HOUR, MIN, EVENT
to modify time settings. Press SELCT and DAY
to modify days and/or holiday, DEL to delete.
Press ENTER after each modification.
6. RUN MODE: Time, day and seconds are dis-
played. If today is a programmed holiday, an H
(Holiday) will be displayed steady.
7.0 OVERRIDE
OVR1 and OVR2 (override keys) are effective only
in the run mode. If a channel is schedule for
ON/OFF, then the channel will change the present
load status until the next scheduled event. CH# will
flash when the load is overridden from scheduled
event.
EVENT (in the RUN mode) key is used to update the
load status. It will execute the last scheduled event for
CH1 and CH2.The display will only show the last sched-
uled event for CH1. To view the last schedule event for
7
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