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24 volt timers |
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Din
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 THC 15
timer12-24-120 and 240 Volt AC 50/50 Hz 1 NO 1 NC 17 on-off each week Buy: THC 15 timers THC 15 120 volt THC15A 120 volt THC15A 240 volt 12 V DC Manual: THC 15 manual Sell sheet |
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How to wire THC 15 timer Timer controls light bulb and contactor Buy 2-Pole 40A contactor 120Volt coil 40 amp 240Volt coil 24 volt coil Resource Contactors Select wire and breaker size |
 Reduce run-time of air
conditioner.Problem: air conditioner runs too much during peak electric prices. Programmable thermostat for the air conditioner can control peak usage by raising temperature and reducing hours of operation during peak times, but it cannot be programmed to limit actual number of run-time minutes per hour. This diagram solves problem without compromising integrity of AC motor or equipment. The din rail timer is programmed so timer is ON during peak hours. Any programmable timer will do the job but din rail timers are available in 24 volt, and also 120 and 240 volt models. When the din rail timer is OFF, it turns ON a twin timer. When the din rail timer is ON, the twin timer is OFF. One of the 24 volt wires from thermostat is connected to the com terminal on the din rail timer. When timer is ON, the 24 volt thermostat circuit is routed straight to the contactor for normal operation of air conditioner. When the din rail timer is OFF, it switches the 24 volt thermostat wire away from contactor and to the Twin timer. The twin timer is rated for either 24 volt (also available in 120 and 240V). Twin timer is designed to turn on-off-on-off-on-off in endless repeat cycle. ON times and OFF times are set independently, and can be any value between .01 second and 99.99 hours. For example, the twin timer ON time can be set for 40 minutes. And OFF time set for 20 minutes. This limits the operation of air conditioner to 40 minutes. During the 40 minute period, the twin time routes 24 volts to the air conditioner contactor for normal operation. After 40 minutes, the twin timer cycles OFF, and then air conditioner cannot turn on for 20 minutes until the twin timer cycles back ON again. When the 20 minutes expires, the twin timer again lets the 24 volts complete circuit to contactor for 40 minutes. The cycle of 40 ON and 20 OFF continues as long as din rail timer is ON. Set the din rail timer to turn ON during peak electric prices. Illustration on right shows similar diagram except pulling power off the 240 volt AC circuit, and using a relay. When pulling power off the 240V air conditioner, use 10-15 amp inline fuse to protect timer and relay circuit. 
Use terminals to connect the smaller wires to
contactor. Prevent loose connection and risk of fire: Do not put two
different gauge wires under the screw plate on contactor. Never put
stranded wire under screw plate.Buy: 120-240 volt THC15 din rail timer Uxcell DH48S-S twin timer 120 volt LY2 relay 240 volt relay Relays with din rail 120-240 volt Twin timer HVAC contactors Inline fuse holders Din rail fuse holder Resources: How to wire twin timer Din rail timers and manuals Relays and contactors |
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Timer controls light bulb and 3-pole contactor Resources: 3-pole Contactors Select wire and breaker size |
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 Geyser, Onesto, Fatco, Bomain Larger image Geyser timer/ 230 volt 7-day Same as Onesto and Fato on right Manuals/ Resources: Geyser timer sell sheet Possible Geyser timer manual How to wire timer |
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Din-rail mount fuseholder Busman panel mount line fuse holder Fuse protects timer from overamperage Timer has max rating 15 amps. To protect timer, install 5-10 amp fuse Buy: 10x38mm din-rail mount fuseholders 10 x 38 mm fuse 14x51mm din rail mount fuseholder 14 x 51mm fuse  Buy: Panel mount fuse holders at Amazon ANL fuseholder Fuse blocks at Amazon Din rail fuseholder 10 x 38 mm fuse Ceramic fuses at Amazon Fast acting ceramic fuses Electrical terminals Solder guns Resources: Terminals/ Yellow for 12 gauge/ Blue for 14 gauge Must solder solid copper wire when using fuseholder or terminal. Must solder stranded wire when using fuseholder. Stranded wire can be crimped to terminal. How to solder wire to fuseholder or to terminals. Put wire in place. Place hot tip on wire. Wait for wire to heat. Touch solder to hot wire. Solder melts. Withdraw solder. Withdraw hot tip. |
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Basic
contactor wiring: Pull out the disconnect so electricity is OFF. Open wiring compartment on air conditioner. Use terminals to connect the smaller wires to line side of contactor. A capacitor will be connected to Load side of contactor. Use 10-15 amp inline fuse on one of the two wires to protect timer and relay circuit from 50-60 amp air conditioner circuit. The fuse will protect entire length of circuit. Prevent loose connection and risk of fire: Do not put two different gauge wires under the screw plate on contactor. Never put stranded wire under screw plate. Buy: HVAC contactors Inline fuse holders Din rail fuse holder Resources: Relays and contactors |
 Larger image Intermatic enclosure 9-3 ⁄8" x 5-1 ⁄2" x 3-5 ⁄8" |
Nema 3R outdoor Enclosure: Nema3R Enclosures can be used for outside installation: Image on left shows din rail timer, din rail fuseholder, and 3 relays mounted on the rail. Estimated height of twin timer on the rail is 4-1/2" tall. Off-delay timers will fit in 3-5/8" space if mounted directly to metal box, and not din rail/ twin timer on the rail is 4-1/2" tall. The box on left: twin timer is too tall and would be attached to side of enclosure. The control box circuit shown in image on left is used for outdoor lighting.  Buy: 2T511GA Intermatic Nema3R enclosures Hoffman 8 x 6 x 4 Nema 3R Hoffman 6x6x6 Bud industries 11x7x5 box without knockouts Din rail Resource: Compare enclosures Twin timer wiring Off delay wiring |
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Add several layers of control using twin timer, delay
timer and 24-hour or 7-day timer Image show test wiring Buy Din rails THC 15 timer AH3 delay timer Indicator lights Din rail fuseholder Resources: How to wire delay timer How to wire din rail timers + manuals |
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THC 15 timer 120 volt, 7-program timer installed on din rail with two delay timers. Photo taken during a test wiring. When completed, the timer activates the delay timers that are wired to a twin timer (not shown). The circuit is used to control a Holiday light display that blinks in a cycle of different patterns. Buy: Din rails THc15 timer AH3 delay timer Indicator lights Resource: How to wire delay timer How to wire twin timer |
 MTD8 timer Larger image Image of buttons |
Misc
Manuals/
Resources: MTD8 timer manual How to wire timer tddgt-manual.pdf Onesto PST20A manual Toptronic tddgt manual Toptronic timer manual Fato timers Fato ACH15A manual DCH15 timer manual |
 Larger image Talento cycle timers Buy: Talento timers Manuals/ Resources: Intermatic cycle timers How to wire Din Rail timers |
 Larger image Talento programmable timers Manuals/ Resources: Intermatic Talento 1-4 channel tim Intermatic Din Rail timersers How to wire Din Rail timers |
 T80 timer 230Volt SPST Buy: T80 timer Manuals/ Resources: T80 timer manual How to wire T80 timer Legrand 03740 timer manual How to wire Din Rail timers |
More brands din rail
timers: Resources/ links: How to wire Din Rail timers Intermatic Din Rail timers Tork Din Rail series Hagar Din Rail series Legrand 03700 timer and manual |
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 Din Rail Buy: 4" long 22-00012 din rail Din rail Resources: Intermatic trippers and parts |
 Legrand 412641 2-channel timer Legrand 412641 timer manual |
Legrand 04761 timer Legrand manual image Generally, the instructions are shown below: you will have to fiddle around to tweak the instructions since this model Legrand is discontinued, and replaced with the 412641 There are 4 programming buttons located on face of timer: menu, on, +, - Press menu, use +- to scroll down to GCFEIL, Press on, select language Press menu, use +- to scroll down to set, press on, set current time and date using same basic commands. Press menu, use +- to scroll down to program, press on, select new, press on, select day-days of operation for program 1, select individual, set On and OFF times for program 1, save Press menu, use +- to scroll to function, select auto to run programs. |
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Tork:
DIN DIN series Panel/Rail mount 7-day 1 or 2 channel 120 volt Tork DIN series sell sheet DIN 101B DIN201B programming DIN 100 install and operation Din 100A operating DIN 100A 101B 201B wiring DIN series dimensions DIN series sell sheet DIN 100A SPDT 120V 1 channel DIN 101B SPDT 120V 1 channel* DIN 201B SPDT 120V 2 channel* *Pulse and cycling |
More DIN Rail timers: Hagar DIN rail timers Intermatic DIN rail timers Onesto timer Fato timer Legrand 03700 timer and manual |
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Hagar timers and manual Incoming power has two wires... connect these wires to terminals 5 and 6... and this will cause timer to operate and keep time. Run a jumper wire between terminal 6 and COM terminal 2 Load (light bulb, contactor, etc) has two wires: connect one wire to terminal 5 and other wire to terminal 3 Terminal 1 is ON when timer is OFF. It is the NC or normally-closed terminal. |
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Timer controls light bulb and 3-pole contactor Resources: 3-pole Contactors Select wire and breaker size Fuseholders |
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Tools DEWALT Black and Decker Stanley SKIL Makita Porter-Cable Bosch Irwin Hand tools Klein hand tools Fluke electrical testing Dremel hobby tools Campbell Hausfeld air powered Tekton automotive Powerbuilt automotive Saws and saw blades |
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Resource: Compare box timers DPDT timers Intermatic Control water heater w/ Z-wave |
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Resource: Intermatic control centers: and parts Digital control centers and parts Tork control centers and parts Subpanels All control centers and parts Enclosures |
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Resource: Programmable timers Countdown timers Off delay timers On delay timers Timer modules Din rail Twin & one-shot Woods Intermatic Tork |
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