Home
Search waterheatertimer.org / all results
Search using Find button  

 Tweet button  

How to wire twin timer

twin timer Choose Twin timer or One shot timer mode
Voltage 100-240 volt AC input. Or 12-24 volt AC-DC input.. One shot or Repeat-cycle timer with dry NO NC terminals, connect any voltage to switch terminals.
One shot (on or off delay) - Set mode for one-shot, apply power to timer and it turns on for set period of time and turns off. Reset by disconnecting power and then one-shot resumes next time power is turned on.
Repeat cycle - Set cycle mode, apply power to timer and it turns on and off, on and off, on and off indefinitely with two independent time periods, until input power is cut.
For example a car alarm is a twin timer ... honk-honk-honk indefinitely until power is cut.
Christmas displays, and blinking store lights etc use twin timer.
Time period ranges from .01 to 99.99 seconds/ or .01 to 99.99 hours.
Each time period can be same or different.
Timer starts when it receives power and stops when power is off. Then it restarts when power resumes.
For example you can set the twin timer to turn on for 10 minutes and off for 200 minutes. Mode A would be 10 minutes, Mode B would be 200 minutes.
Or ... turn on for 10 minutes and then turn on another circuit for 200 minutes.
You can control power to the twin timer using a 7-day timer for example, or another twin timer etc.
Set time period for Mode A and then set time period for Mode B
If seconds are chosen for time period A, then time period B must also be seconds.
Twin timer

Panel mount digital twin timer

PV shows the time left in the count up for Mode B... so there is .78 seconds left before it switches to Mode A
SV shows 2.99 ... which is the set time I choose for Mode B
When 2.99 seconds ends, Mode A set time will display.
Image shows the Inkbird twin timer.

Use this timer to control red nose on Rudolph reindeer. Set Mode A to 30 seconds and Mode B for 2 seconds. Rudoph's nose will blink on and off as long as power is applied to red nose and timer.
Buy:
Twin timers at Amazon
Omron twin timers
Sestos relay timer
Migro assorted timer
Resource:
Twin timer manual
Omron twin timer manual
Twin timer or one-shot mode
Incoming  power line connects to terminals 9 and 10. Timer begins on-off operation when power is ON.
Control heavy amp load using contactor
Irrigation pump can be set to run 30 seconds each hour
Ventilation fan can be turned on for 15 minute intervals
Add a second timer on incoming power line so timing function can take place during the day. Add rain sensor and relay to incoming power line so irrigation pump does not run after it rains.

Buy 2-Pole 40A resistive
120Volt coil
40 amp 240Volt coil
24 volt coil

Resource
Contactors
Inkbird twin timer

Repeated ON Delay using digital twin timer

How to wire twin timer
Twin timer has two time periods that turn a load on-off, on-off, on-off continually until power is turned off..
Each time period can be same or different.
You set time period for mode A and then set time period for mode B
Time period ranges from .01 to 99.99 seconds/ or .01 to 99.99 hours.
If seconds are chosen for time period A, then time period B must also be seconds.

Suppose you want light to turn on with switch, and want a buzzer to sound 20 minutes later.
Then you want buzzer to turn OFF after 30 seconds.
Then you want buzzer to sound again 20 minutes later... and then turn OFF after 30 seconds.
Set twin timer for hours. Mode A is set for 00.30 and Mode B is set for 00.03
Operation sequence:
Move single-pole switch to ON position and shop light turns ON and remains ON until switch is turned OFF.
First delay begins for 20 minutes. When delay period expires, the buzzer turns ON for 30 seconds.
Second delay ends after 30 seconds and Buzzer turns OFF. First delay period begins again
With a twin timer, the sequence keeps repeating until light switch is turned OFF.
Buy:
Twin timers at Amazon
Din rail mount DH48S digital twin timer
twin timer or one-shot mode

Buy:
DH48S twin timer

Resource:
DH48S twin timer manual
DH48S twin timer DH48S twin timer wiring

Apply power to terminals 2 and 7 to activate repeat on-off operation of timer.
Timing sequence repeats until power is off.
Sequence resumes when power is applied again.

Omron H3CR-F solid state twin timer
Independent on and off set times

Buy:
H3CR 12-48 volt DC
Omron twin timers

Resource:
H3CR-F manualDH48S twin timer
H3CR series manual
     8 pin timer wiring   Omron H3CR-F solid state twin timer wiring

Apply power to terminals 2 and 7 to activate repeat on-off operation of timer.
Timing sequence repeats until power is off.
Sequence resumes when power is applied again.
Add several layers of control using twin timer, delay timer and 24-hour or 7-day timer
Image show test wiring

Buy
Din rails
THc15 timer
AH3 delay timer
Indicator lights

Resources:
How to wire delay timer
How to wire din rail timers + manuals

How to wire one-shot timer/ 
identical wiring as twin timer
sestos B3sTwin timer  Panel mount one-shot timer
Precise digital control
Set mode for one-shot
Apply power, and normally open terminals turn ON for set time, and then remain off until power is cut and applied again.
This can be operated with a Normally closed push button that applies continuous power to the timer mechanism. When the push button is pushed, it starts the delay time circuit for the set duration of time.
Time durations: .01 seconds to 99hour99 minutes (4.16 days)
Repeasts each time power is applied again.

1/2 Hp @ 120 Volt
3/4 Hp @ 240 V
100-240 volt AC/DC input terminals are separate from output terminals
Buy:
B3S one-shot timer
Resource
B3S timer manual
Options for Motor driven countdown timer
Support the economy:
Buy water heaters  from my associate links:

50 gallon Gas water heaters at Amazon
40 gallon gas water heaters at Amazon
50 gallon Electric water heaters at Amazon
40 gallon electric water heaters at Amazon
Hybrid / heat pump/ water heaters at Amazon

Resources:
How to install gas water heater
How to install electric water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
Point of use water heaters

surge protection
Resource:
Type 1-2-3 surge protection/ wiring and manuals
Resources:
Troubleshoot Gas valves with manuals
Icon gas valve

Install and troubleshoot garbage disposal Waste King disposal
How to wire tankless electric


Install point of use water heater
Titan tankless
Anode rods anode rods
Recirculation system

Tankless recirculation
Point of use water heater
Type 1 and type 2 surge protection surge protection

Gas and electric water heaters Buy
Industrial electric

Industrial supplies

Tools and home improvement

Home and garden

Hayward pool

Southwire electric
Buy:
Barn door track
Curtain rods
Garage door parts
Shop cart
Metal table
Tork timers
Transfer switch
Zwave
Smoke detector
Water detector
Carbon monoxide detector
Pool pump
AO Smith motor
box timers Resource:
Compare box timers
DPDT timers
Intermatic
Control water heater w/ Z-wave
Intermatic control centers Resource:
Intermatic control centers: and parts
Digital control centers and parts
Tork control centers and parts
Subpanels
All control centers and parts
programmable timer Resource:
Programmable timers
Countdown timers
Off delay timers
On delay timers
Timer modules
Din rail
Twin & one-shot
Woods
Intermatic
Tork
Low voltage power packs Recirculation systems
Enter Amazon from my links
Amazon

E-mail: geno03245w@gmail.com
My response might end up in spam folder, check email folders
Privacy policy
Search