background image

Green

Screw

White

ETW350

Blue

Black

LOAD

Power Source

ETW350

 

electronic programmable timer

OWNERS 
MANUAL

Congratulations on your 
purchase of a UPM timer.  
Please take the time to 
read and understand this 
manual so you can begin 
to enjoy the security and 
energy saving benefits this 
product has to offer.

FEATURES

!

20 ON/OFF settings

!

Countdown timer -

 

“One-Touch Countdown”

!

3 random functions

!

12/24 hour clock

!

15A, 1800W loading

!

single pole

TROUBLESHOOTING

LCD display seems “frozen”. 
Buttons won’t respond.

Programmed ON/OFF times 
don’t execute.

Programmed ON/OFF times 
don’t execute at specified 
times.

Press reset button to reset 
timer.

Ensure that the program 
disable feature is not enabled.

Ensure that the random 
function is not enabled.

problem

solution

TECHNICAL SPECIFICATIONS

Program: 20 programs
Ratings:

120V AC, 15A

Max Load: 1800W resistive, single pole
Min switching time: 1 minute

PROGRAM SETTINGS

disable program/master disable

1

3 5 7

2 4 6 8

4

3

1

4

2

5

6

7
8

Press SET

Day select with 

Press SET

Hour select with

Press SET

Minute select with

3

Press SET

Program select with 

1
2

Press SET

Press ON/OFF to disable ( 

)

3

For 

single disable

 select PROGRAM with

            

F

or 

master disable

 go to                using

2

Press SET 3 times to exit (single disable)
OR press SET 4 times to exit (master)

4

CLOCK

Programs are arranged in a circular pattern 
with the clock and countdown functions:

CLOCK

Program 1-20

CD

1

PROG

ON

MO  TU  WE  TH   FR   SA   SU

PROG

ON

MO  TU  WE  TH   FR   SA   SU

X

INSTALLATION

1
2

Remove existing switch and identify the wires in the wall box.

Using the supplied wire nuts, securely fasten the wires on the timer 
to the wires in the wall box according to diagram.

3

Disconnect the power supply at the circuit breaker or fuse before 
proceeding with the installation.

Connect the 

black

 (hot) wire on the timer to the 

hot

 wire in the 

wall box.

Connect the 

blue

 (hot) wire on the timer to the 

hot

 wire in the 

wall box coming from the light fixture.

Select program 20 with

Flashing         for short random
Flashing            for long random

RANDOM FUNCTION

3

2

1

short/long random

programmable random

4

1
2

Press RANDOM

Set program 20 to desired random time

3
4

1
2

Press RANDOM

3

Short random from              
OR Long random from              

CLOCK

CD

RND
L RND

-

Solid         for programmable random

RND

* Short random 45-90 minutes, long random 90-180 minutes

* Programmable random 45-90 minutes

3

2

1

GETTING STARTED

setting the clock

1

4

2

1

5

6

7
8

Press SET

Day select with 

Press SET

Hour select with

Press SET

Minute select with

3 5 7 9

2

4

6

8

10

9

10

3

Press SET

Second select with

Press SET

Press SET

Minute select with

memory backup

* This UPM wall switch timer comes with built in memory backup protection.  In the 
event of a power outage, all program and clock settings will remain in memory.

CLOCK

ON

MO

CLOCK

ON

MO

To activate/deactivate Daylight Saving Time (DST) function, press and hold 
both      and      together for 3 seconds in                 mode; solid        for DST

CLOCK

To toggle between 12/24 hour format, press RND during clock setting

Repeat steps       to       to undo disable ( 

X

 )

1

4

Deactivate random function with RND or ON/OFF

CAUTION!

*

This timer must 

NOT

 be used on loads exceeding 1800W.

All wiring must comply with applicable codes and regulations.

TO AVOID FIRE, SHOCK, OR DEATH; SHUT OFF POWER SUPPLY AT 
THE CIRCUIT BREAKER OR FUSE AND TEST THAT THE POWER IS 
OFF BEFORE WIRING.

Handle installation with caution to prevent any risk of electrical shock 
that could cause serious injury or death.  If you are not sure about any 
part of the given instructions, consult a qualified electrician.

For proper grounding, connect the 

green

 (ground) wire on 

the timer to the ground “screw” found inside the wall box.

Mount timer into the wall box carefully.

Restore power supply at the circuit breaker or fuse.

4
5

INSTALLATION DIAGRAM

Connect the 

white

 (neutral) wire on the timer to the two 

neutral

 wires in the wall box. 

Go to                using

CLOCK

GETTING STARTED

button placements

display

1
2

CD - activates countdown timer

3
4

SET - activates set functions

RND - activates random functions

5

          - scrolls through selections

6

ON/OFF - manual on/off control

7

Main On/Main Off

R - reset

1

4

2

5

6

7

3

CLOCK CD

SET

RND

L-

PROG

ONOFF

MO  TU  WE  TH   FR   SA   SU

X

Set function indicator

Weekday indicators

Random function indicator

AM/PM

Clock function indicator

Disabled program icon

ON/OFF indicator

8

8

One-Touch Countdown Button

COUNTDOWN TIMER

3 5 7 9

1

1

4

2

5

6

7
8

Press SET

Start ON or OFF select with 

Press SET

Hour select with

Press SET

Minute select with

9

10

3

Press SET

Second select with

Press SET

The to-the-second countdown feature of this timer starts from the ON or OFF 
position and counts down to zero when activated.  

2

4

6

8

10

CD PROG

ON

CD PROG

ON

Stop countdown timer with 

Countdown

 

(or 

One-Touch Countdown Button

)

 or 

On/Off

.

Select CD mode using

Press 

Countdown

 or the 

One-Touch Countdown Button

 to start the countdown timer. 

One-Touch 
Countdown 

http://waterheatertimer.org/UPM-timers-and-manuals.html

 

 

Reviews: