Question about Intermatic Timer T10404R Pool & Spa Controls with Two T104M

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I have an intermatic t10404r pool timer, and only one timer works

We pulled the timer apart, and both timers are getting electricity, and both motors work. But one of the timers simply doesn't turn when it is fully assembled; the time won't advance. Therefore, I have to work the pump manually.

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The problem might be the trips.

Posted on Feb 25, 2010

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I have a T10404R dual intermatic timer clock and I can only turn my pool pump on manually. The clock is working and it will turn off, but I can't get the ON pin to work despite replacing it with a new...


1) Troubleshoot walk-thru indicates that tripper is wrong, or timer mechanism is worn out:
Check that tripper is labeled ON, and compares similarly with old tripper, and is not worn down. Trippers are made of softer metal and designed to wear out before the timer mechanism wears out.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/images/WH-lever-005-500.jpg

2) Buy new timer mechanism: If the new ON tripper does not push the on-off lever, then timer mechanism is probably worn out.
Buy new T104M mechanism, and change out with existing mechanism using thumb spring located top inside box.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100

3) How it works: The trippers rotate around on clock dial. Trippers come into contact with on-off lever, and trippers push lever.
On tripper pushes lever one direction. Off tripper pushes same lever other direction.
Each time the lever moves back and forth, the manual override also clicks with audible sound.
The lever moves a slide bar located on back of timer mechanism, and that action opens and closes electrical circuit.
http://waterheatertimer.org/images/Back-of-WH40-2b-500.jpg

4) Since any timer mechanism can fit into the T10404R control panel, you can also buy and install T104M210 timer mechanism with fireman's switch that turns off heater 20 minutes before turning off pool pump.
For 2-speed pool pump, the digital P1353 can also be installed, and this timer would replace both timing mechanisms in the T10404R. Non-electronic timers are more reliable.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#P1353

5) Add a comment for more help

6) Take a moment and rate answer for accuracy:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Sep 18, 2011 | Intermatic T10404R - Two 220 time clocks...

1 Answer

Timer clock not working


Problem is not clear.

If this is new installation, then wiring is probably wrong.
Voltage and model number of timer is not known for certain.
You posted under T10404R that has 2 T104 240V timers.
Open following link for T104 wiring:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
Add a comment and describe your wiring.

If timer worked before, then you might need $18 clock motor
Open following link for troubleshoot checklist and instructions for replacing clock motor:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Add a comment for more help

Upvote the help.
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For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jun 01, 2011 | Intermatic T10404R - two 220 time clocks...

1 Answer

HI My Intermatic T10404R has two timers (one for pool pump and the other for the polaris vaccuum). Unfortunately, the timer for the vaccuum is not working. Is there is fix for this or does the whole system...


Probably just the $18 clock motor, or $2 trippers.
Or buy timer-mechanism-only and snap into same box.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100

Add a comment for more free help

Also take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

Apr 29, 2011 | Intermatic T10404R - two 220 time clocks...

1 Answer

My pool sweep had been doing fine. Now the new pump seems to be dragging as if it is running on half power and the sweep crawls slowly. The pump gets hot and shuts off. The pool filter pump on the left...


My opinion is that new pump is defective.

You posted under Intermatic pool timer.
The timer will not have any effect on the new pump overheating.

Insufficient wiring can cause new pump to overheat.
However if wiring is undersized, and/or if both pumps are turned ON at same time, the circuit breaker would get hot and trip.

Instead of the breaker tripping, your new pump is getting hot, and turning off.
Remember, any pump that slows down and overheats is getting damaged.
Replace the defective pump.

Feb 28, 2011 | Intermatic T10404R - two 220 time clocks...

2 Answers

How do I connect my 2 speed pool motor?


1) You might need a different timer.
240Volt T106 has one NO terminal and one NC terminal.
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t106r%20-%20english.ashx

2) Terminal 1 is NC terminal
NC terminal is 'normally closed' so electricity flows continually through this terminal.
For example you can connect this terminal to speed-1.
So speed-1 is on until timer turns on, and then electricity is turned off to NC terminal and speed-1 stops.

3) Terminal 4 is NO terminal
NO terminal is 'normally open' so electricity flows through this terminal only when timer turns on.
For example you can connect this terminal to speed-2.
So NO terminal only has power when timer turns on.
When timer turns off, NO terminal turns off and NC terminal turns on again.

4) As you can see, the problem with T106 timer is that pool motor is continually running.
Either speed-1 is on, or speed-2 is on.

5) Here's how to wire T106 for 240V two-speed pump:
Two hot wires arrive from breaker box: 1 black wire and 1 white wire.
White connects to terminal A
Black connects to terminal 3.
Three wires go to motor.
Speed-1 connects to terminal 1 probably black wire
Speed-2 connects to terminal 2 probably red wire
Remaining motor wire connects to terminal A probably white wire
Ground wires connect to green ground screw.

6) Usually, 2-speed pool pumps are wired to dual timer like T10404R
So each speed is wired to a separate timer.
With this timer, each speed is connected to separate timer, and then the pump can be turned off when neither speed is needed.
http://www.amazon.com/Intermatic-2-Speed-Timer-208-277-T10404R/dp/B002UBPCDW/ref=pd_sim_sbs_hi_1

7) However there is a newer electronic timer P1353ME and P1353ME-6 and PE153 that can control 3 different loads. This timer snaps into any T106 box.
For example speed-1 is one load, speed-2 is another load, and a pool light can be third load, or simply do not use third load.
http://www.amazon.com/Intermatic-P1353ME-3-Circuit-Digital-Switch/dp/B001DSEC7A

http://1000bulbs.com/product/3352/ELEC-PE153.html

8) I am familiar with wiring and programming for P1353 timer, and you can post again on fixya, and I will catch the question.

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Feb 12, 2011 | RTO Intermatic T106M Timer Mechanism Only...

1 Answer

I have two 220 Intermatic time clocks in a raintight box operating a pool pump and a sweep (cleaning) pump for my pool. The clock motor quit operating--it is an Intermatic WG1573 5 60Hz 3W. The front of...


1) Order 240V T100 series clock motor.
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi
http://www.amazon.com/Intermatic-Clock-Motor-Leads-WG433-20D/dp/B0031DOHLG

2) Order extra trippers too since they are designed to wear down so they don't damage tripper lever.
Put dab of white (bicycle) grease on the tripper lever.

3) Turn power off.
Mechanism snaps out using thumb-spring located inside box at top.
Clock motor is held with two star-screws. Buy bit at auto parts store.
Clock motor wires attach to terminals 1 and 3
Reattach terminal screws very tight against copper wire and make sure wire-insulation is not caught under screw clamp.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
To re-set current time, lift and rotate dial until current time lines up with silver pointer.

4) See next generation of Intermatic pool timers that snap into same box.
New timer controls 3 separate circuits with different schedules for each circuit, so the single timer can replace both mechanical timers. Wiring is complicated, programming is complicated. I am still reading the manual, and it makes sense to me, so you can trust fixya to help in event that you replace your timers next ten years.
http://www.amazon.com/dp/B001DSEC7A/ref=asc_df_B001DSEC7A1417045?smid=ATVPDKIKX0DER&tag=dealt581-20&linkCode=asn&creative=395093&creativeASIN=B001DSEC7A

5) Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

geno_3245_269.jpg

Feb 04, 2011 | Intermatic T10404R - Two 220 time clocks...

1 Answer

The right side is for the pool sweep. The timer wheel doesn't move around and keep in time with the left side which is for the pool.


If timer wheel doesn't rotate on time, then clock motor is probably bad.
Probably the wheel is getting stalled a bit when tripper comes into contact with on-off lever, because motor has lost power.
Add a bit of grease where tripper come into contact with on-off lever.
Intermatic T104 is 240Volt clock motor
Buy T100 series 240V clock motor from grainger:
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

Notice also that link above also shows extra trippers.
Trippers are designed to wear down before on-off lever, so timer mechanism lasts longer.

To install clock motor, snap mechanism out of box using thumb spring at top.
Motor is attached with 2 small star screws.
Notice that motor has plastic gears so motor is designed to stop working before rest of timer.
Motor wires attach to terminals 1 and 3, tighten screws very tight against copper wire.
Make sure no part of the wire insulation is under screw plate when tightening.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

geno_3245_262.jpg

Jan 26, 2011 | Intermatic T10404R - two 220 time clocks...

1 Answer

I HAVE AN iNTERMATIC t100m TIMER it appears to have two "off" tripper levers but no "on" tripper lever attached to the clock face dial by a set screw . Do I need an "on "...


Yes, the T101M 120Volt pool timer requires both ON and OFF trippers:

Grainger sells T100 series on-off trippers:
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search
Amazon sells T100 trippers
http://www.amazon.com/dp/B003YO2C5U/?tag=picc-20

Grainger sells the T100 125V clock motor
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

How to wire T-101 120Volt timer
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

How Intermatic dial timer clock works.
Clock motor rotates dial.
Intermatic clock motor, located on back of mechanism, are replaceable
Trippers located on outer edge of dial push on-off lever
ON tripper pushes lever one direction
OFF tripper pushes lever opposite direction.
Lever pushes electrical contacts together and pulls contacts apart.
When lever moves, manual override also clicks back and forth with audible click.
To replace timer, replacement snaps into box without needing to changing box.
geno_3245_170.jpg

Dec 10, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

Can you fit a frost switch to the T10404R


http://www.poolandspacontrols.com/~/media/Files/PoolAndSpaControls/Products/Instructions/PF1102.ashx
http://www.poolandspacontrols.com/products/freeze%20protection%20controls/multi%20circuit%20freeze%20protection%20controls.aspx

Intermatic makes a freeze protection control that wires directly into a 240V timer.
If you already have a freeze control, the wiring diagram might help.

geno_3245_59.jpg
The manual has this image larger.
It shows wiring to connect the freeze control directly to one 240V timer.
Intermatic make a freeze control for 1 or 2 circuits.

Intermatic page showing Pool and Spa timers
http://www.poolandspacontrols.com/products/mechanical%20controls/100%20amp%20specialty%20control%20panels.aspx

Nov 11, 2010 | Intermatic T10404R - Two 220 time clocks...

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