NSi Industries EW103A - Manual (Page 2)

TORK
DIGITAL TIME SWITCH
TO SET CLOCK
Press MODE key until display shows CLK.
Press DAY key to select current day. Press HOUR key to select current
hour. Check A (AM) or P (PM). Press MIN key to select current minute.
Press ENTER key and the clock is set for current time and day.
TO SET SCHEDULE
For convenience, write out your desired schedule on a separate paper.
If display does not show SCH, press mode key until display shows SCH.
The display will Indicate it is ready to receive SCH setpoint #1.
Press DAY key to set day(s).
Note: The following is a listing of the sets of days which can be set:
1. M, T, W, TH, F
2. S, SU (Saturday and Sunday only)
3. M, T, W, TH, F, S, SU
4. Individual days: M or T or W or TH or F or S or SU
Press HOUR and MIN keys (check for AM or PM). Press ON/OFF key for
appropriate event.
Press ENTER key to store the information and display will indicate it is
ready to receive SCH setpoint #2.
Proceed for up to 14 setpoints. Then press MODE key and unit will
go to the AUTO (run) mode.
In the AUTO mode, the unit will display current time and day as well as load
status (ON and OFF).
Note: When the unit is returned to the auto mode, check the load status of the current
setting. If it is showing OFF but should be ON, press the override key. The unit will
correct itself at the next scheduled event and no further alteration will be necessary.
REVIEW/MODIFY
1. CLOCK - ALTER TIME
Press mode key until display shows CLK.
Press DAY, HOUR, and MIN keys to change to the correct time. Press
ENTER.
2. SCHEDULE - REVIEW
Press mode key until display shows SCH.
Press ENTER key repeatedly to review all the scheduled entries.
3. SCHEDULE - MODIFY
During the review (see previous section) any setpoint can be modified or
deleted. Use the HOUR, MIN and DAY keys to modify. Use the DELETE key
to eliminate that event. Press ENTER key after each modification.
OVERRIDE - TEMPORARY
In order to temporarily change the current ON or OFF status of a load, sim-
ply press the override key when the unit is in the AUTO mode. The altered
load status will flash. Override is in effect until the next scheduled event. In
order to cancel the override, press override key again.
OVERRIDE - LONG TERM
Press mode key until display shows MAN (manual). Normal schedule will
not be executed and the load status will remain unchanged as indicat-
ed. Press the OVERRIDE key to obtain the correct status or to alter
the load status.
®
UL
469D
LISTED
®
LR21743
MLI-163(B) 1 GROVE STREET, MT. VERNON, NY 10550 TEL: 914-664-3542
FAX: 914-664-5052
EW101A EW120A EW103A
SPECIAL ENCLOSURE: -C -Y -FLG -O
3
SPST
4
LOAD
120/277VAC
E101A E120A
1 2
N L N
TIMER
SUPPLY TIMER
SUPPLY
120/277VAC
3 4 5
SPDT
1 2
L N
LOAD LOAD
N N
E103A
3
DPST
4
LOAD 208 OR 240VAC
1 2
L1 L2
TIMER
SUPPLY
6 5
DPST TIMER
SUPPLY
3 5 6
120/277VAC
SINGLE PHASE
4
L1 L1 L1 N
1 2
LOAD
N
LOAD
N
SPECIFICATIONS
Input Voltage: 120/208 - 277VAC, 50/60Hz. (Jumper selectable), 4VA max.
User Selectable by Jumper Setting:
See caution on front page regarding
clock voltage selection and circle your input voltage below.
120V 208-277V
Dry Contact Ratings:
WIRING DIAGRAMS
SERIES E101A (SPST) AND E103A (DPST) SERIES E120A (SPDT)
TYPE 208-277 208-277 120VAC 208-277VAC
OF LOAD 120VAC VAC 120VAC VAC N.O. N.C. N.O. N.C.
Resistive 40A 40A 30A 30A 30A 30A 30A 30A
Inductive 40A 40A 30A 30A 30A 30A 30A 30A
Ballast 30A 20A 30A 20A 30A 10A 20A 10A
Tungsten 10A – 10A – 10A 2A – –
Pilot Duty 720VA 720VA 720VA 720VA 720VA 720VA 720VA 720VA
Motor 1 HP @ 120V; 1-1/2 HP @ 208V; 2 HP @ 240-277V
30A resistive @ 28 VDC NO/NC 30A resistive @ 28 VDC
UL CSA UL and CSA
WARNING !
Lockout power at main panel before initial wiring or servicing
of this time switch and any equipment connected to it. More
than one disconnect point may be required. Install and use in
accordance with national and local electrical codes. Use cop-
per wire AWG #8-16 suitable for 75°C (167°F). Metal enclo-
sure must be properly grounded. Insulator must be
replaced below before
turning on electricity.
Inform electrician if it
is missing.
EW SERIES INSTRUCTIONS2003 11/18/03 5:02 PM Page 1