How to Wire AH3-3 Timer

17/11/2015

How to wi r e AH3- 3 timer

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AH3-3 timer Can Can be used used as relay relay,, ONON-de dela lay, y, O time.

Timer coil voltage 120V AC. Contacts rated 3 amp at 240 Volt -or- 6 amp at 120 Volt Volts x amps = watts/ 6 amp x 120 volt = 720 watts Max 1/4 HP: bath fans are usually 1/6 Hp or 1/3 Hp. Recirculation pumps 1/25 Hp. 1/3 Hp attic fans are probably to large amp draw for this timer to operate long-term. For long term, keep load amp draw smaller than load rating... or connect timer to contactor

0-60 minu minute te setting settingss are approximat approximate... e... experimen experimentt to fine fine t 8-pin base incl included uded with with 8 screw terminal terminals. s. Remove Remove timer timer fr Recommend tightening screw plates very tight against wire, Stranded wirre can become solid wire by adding solder. Solid Solid wire wire is is not fir firee hazard. hazard. Stranded Stranded wire wire is is greater greater fir firee ha Size: 2-1/2" tall with with base included included x 1-5/8" 1-5/8 " x 2" 120 volt off delay delay timer/ timer/ Contacts rate 120- 208-240 208-24 0 Volt Rated Rated for for all all loads loads inc incan andesc descen entt (Tun (Tungs gsten ten), ), LED LED,, CFL, res res Rated 3 amp amp @ 240 volt volt -or- 6 amp amp @ 120 volt/ volt/ Up to 1/ 120 volts x 6 amps = 720 watt. Bath fans fans are OK at 1/6 Hp/ Hp/ Atti Atticc fans fans can can run run 1/3 1/3 to 1/2 H Recirculation pumps are 1/25 Hp and delay timer works fine Buy from my affiliate links AH3 timers at Amazon Resources: Use off-delay to control recirculation pump Use off delay to control motors Fuseholders Omron H3CR sell sheet and wiring

Off delay/ 120 volt Off delay delay means means the load load turns ON immedi immediately ately,, and then lo lo 3-way switch is convenient Any switch position will start the delay Click switch up starts delay... click switch down starts dela Load turns off after delay period expires Why the 3-way switch diagram works... because the switch When the time timerr receives receives power... the the load turn turnss ON unti untill de power. If If you you temp temporari orarily ly stop power power from from going going to tim timer, b positi position, on, then then the tim timer er resets, resets, the the ligh lightt turn turnss ON again again unt until il t Load remains OFF until power is stopped and started again. If you you use singl singlee-pole pole switch... then the switch switch must must be turne If single-pole switch is turned off, then load remains off

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17/11/2015

How to wire AH3-3 timer

Off delay/ 120 volt/ variant Same result as above... different wiring. This design lets you run smaller wire to switch... for example Smaller wire allows easier wiring going to remote switch. Add line fuse to if you are using smaller wire Off delay means the load turns ON immediately, and then lo 3-way switch is convenient Any switch position will start the delay Click switch up starts delay... click switch down starts dela Load turns off after delay period expires If you use single-pole switch... then the switch must be turne If switch is turned off, then load remains off Buy:

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Off delay/ NC push buttons added t NC means normally closed... or the power is ON until butto Compare: doorbell button is NO ... or power is off until butt Add as many NC push buttons as desired for remote opera As long as each puch button is functioning correctly, the circ Why it works... Power is ON continually at timer. When power is interrupted, and then restarted, the timer tur When delay period expires, the load turns OFF. Power rem When push button is pushed again, the power is temporarily Buy from my affiliate links: Normally closed push button switch at Amazon AH3-3 at Amazon

Off delay/ 120 volt/ same as variant Illustration shows 18 gauge wire going to remote switch Fuse and fuseholder are used to protect 18 gauge wire from Why is the fuse required? Assume 120 Volt Hot that powers circuit is connected to 2 18 gauge wire is not rated for 20 amp breaker. Larger 12 gauge wire is used with 20 amp breaker If a short circuit occured somewhere along the 18 gauge wir small wire. This would cause wire to overheat. Overheated To prevent fire and overheating hazard, add 5-10 amp inline The fuse can be installed anywhere along the 18 gauge wire, Diagram shows ordinary rocker switch.

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17/11/2015

How to wire AH3-3 timer Use 3-way switch for easiest installation. Read descriptions

AH3 off delay timer wiring with pu No switch is used... only NC push button switches are pres Add a many NC push buttons as desired Locate push buttons in each bathroom... press button and re Hot water immediately circulates toward bathroom When delay period ends, recirculation pump turns OFF The power is ON at timer. When Normally Closed NC button is pushed, the power to Power resumes as soon as button is released, the timer dela Once delay period expires, light turns OFF. Power is still O

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AH3 off delay Wall fan turns OFF after boiler tur Use same design to provide air to Additional general purpose relay with NO NC contacts nee Choose coil voltage that can be controlled by boiler... for ex Boiler turns on.... relay turns ON Fan turns ON Boiler turns OFF... relay turns OFF Delay countdown begins Fan continues to run Fan turns OFF when countdown ends Buy from my affiliate links: General purpose relay AH3-3 at Amazon Through wall fans


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Remote control countdown timer Buy: 120 volt AH3-3 with base at Amazon

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120V 60 Hz/ 10 watt miminum/ 1500 watt Operate as ON-OFF or Countdown device/ Up to 15 minute - 60 minute countdown Buy: Wireless wall mount transmitter TB-318 at Amaz Wireless countdown receiver PA-318 at Amazon Transmitter and receiver Resource: PA-318 manual

ON Delay Illustration shows ON delay wiring. On delay means the load turns ON after delay period expire Example uses ST01 timer as switch. (Or use Ei600... sme ti ST01 Timer can be set for dusk-dawn. Automatically turns ST01 Timer automatically adjusts for seasonal changes. ST01 Timer can be adjusted 20 minutes longer or shorter th However some folks want longer delay before lights turn O How it works: ST01 Timer tunrs ON. AH3 timer receives power. Time de


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How to wire AH3-3 timer After delay period expires, light turns ON, and remains ON Cycle repeats next tim the ST01 timer turns ON. Buy: Intermatic ST01 timer Ei600 timer at Amazon CR2 replacement battery at Amazon Resource: Intermatic ST01 timer and manual How to wire and program ST01 timer

On delay means. When power is applied to terminals 2 and After the delay period expires, then load turns on and remai

Safety when testing wires: Never touch wet or previously flooded appliance. Never stand on wet surface when working on electric. Never stand on bare soil, put down dry boards. Tape tester leads to wood sticks to keep Multimeter hands away from power. Use non-contact voltage tester before Test for breaks in wire/ Test for voltage touching wires. Most appliance require 80% rated voltage Never touch or lean into any made of to function correctly metal. Buy: Remove metal objects from pockets. Multimeters at Amazon Do not use oxygen or fuel accelerants in Electric testers at Amazon same room as electrcial repairs Resource: How to test and replace element Resource: How to test thermocouple Basic house wiring Element tests for 120 volts How to test wire

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17/11/2015 How to select and install twist-on wire connectors

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Orange 10 gauge 30 amp

Orange/ #10 gauge for for 30 amp circuits including water heater with ground Buy: 10-2 gauge/ 30 amp 10-3/ 30 amp NMB is house wiring UF is underground

Yellow 12 gauge 20 amp

Yellow/ #12 gauge wire for 20 amp with ground Buy: 12-2 gauge/ 20 amp 12-3/ 20 amp Roll stranded wire

NMB is house wiring UF is underground

Applies to timers, switches, outlets, pumps etc. Small devices, with small loads, such as lamp socke Add solder to 1" length of tightly twisted stranded Heat wire. Touch solder to wire. Let cool. File awa Buy: soldering guns Resource Timer caught fire

White 14 gauge 15 amp

White/ #14 gauge wire for 15 amp with ground Buy: 14-2 gauge/ 15 amp 14-3/ 15 amp NMB is house wiring UF is underground

Copper ground wire Use same size as other Buy Spools of ground wire Ground rods at Amazo

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How to Wire AH3-3 Timer

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