Questions? 201.661.9945
©2011 AmerTac™
Saddle River Executive Centre,
One Route 17 South, Saddle River, NJ 07458
www.amertac.com
Made in China
Instruction Manual & Warranty
Mechanical Time Switch
Limited One Year Warranty:
AmerTac™ warrants this product to be free from defects in material and workmanship for a period
of one year from the date of purchase. AmerTac’s obligations are limited to repairing or replacing any defective unit and are effective
only if such units are returned within one year of the purchase date to AmerTac, 250 Boulder Drive, Breinigsville, PA 18031. Warranty
void if damage is due to misuse or improper installation. In no circumstance will AmerTac be liable for consequential or incidental
damages relating in any way to this product.
DOUBLE POLE/SINGLE THROW (DPST)
40 AMP RESISTIVE, INDUCTIVE, TUNGSTEN
OR 1000VA PILOT DUTY
EACH POLE 120V-480 VAC
2HP (24FLA)-120VAC; 4HP (28FLA)-240VAC
Timer Motor Input Voltage:
208-277 VOLTS-60Hz between terminal
[A] and terminal [LINE1].
Remove terminal cover plate to get access to the terminals. Remove knockouts and insert and secure wiring
as required by local electrical codes.
To wire switch follow diagram above. Use only solid or stranded COPPER wire with insulation to suit installation.
See gauge selection table for normal service applications. To make power connections remove 1/3 inch of insulation
from wire ends. Insert bare ends of wire under the pressure plate of terminals. Use screwdriver to tighten terminal
screws firmly (25in-lb minimum).
REPLACE INSULATOR PLATE BEFORE TURNING ON ELECTRICITY
WIRING INSTRUCTIONS
208V OR 240V DPST
Install UL approved
cable connector
following local
electrical codes
PROGRAMMING INSTRUCTIONS: TO SET “ON” AND “OFF” TIMES
1.
SET ON/SET OFF TIMES.
Locate segment pins on the dial
2. Push segments toward the outer rim of the dial to select the ON time. Push out all segments falling within
the period of time that the power will be on. Each segment represents 15 minutes.
3. Push all segments falling within the period of time that the power will be OFF toward the
center of the dial.
4.
SET TIME OF DAY.
Rotate the dial in clockwise direction until the arrow points to the current time.
Rotating the dial in the counter clockwise direction will permanently damage your timer.
5.
SET OFF/ON OR TIMER
(
) MODE OF OPERATION
6. Place selector switch in the ( ) position to select timer operation
7. Place selector switch in ON position to turn power on. Power will not turn off until the switch is changed.
8. Place selector switch in OFF position to turn power off. Power will not turn on until switch is changed.
9. In case of power failure reset clock dial to proper time of day. (Step 4)
For 277/480 volt supply do not connect LINE2 to terminal A.
Connect supply NEUTRAL to Terminal A.
14
12
10
8
15
20
30
40
60
60
60
75
1/2
1
2
2
2 1/2
3
4
N/A
N/A
MINIMUM
COPPER
WIRE SIZE
(AWG)
MAX
LOAD
(AMP)
MIN
INSULATION
TEMP
(
°
C)
75
°
C INSULATION MAX. MOTOR LOAD
(HP)
SINGLE PHASE
3 PHASE
120V
240V
208V
240V
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
Arrow
Dial
Segment
TM104R
3182003
LOAD1
LOAD2
NEUTRAL
TO LOAD
208 OR 240V
SUPPLY
LINE1
LINE2
NEUTRAL
LINE1 LOAD1
LINE2 LOAD2
GROUND
A
http://waterheatertimer.org/Boxtype.html#Westek
