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How to control motor with two switches

Control motor with two switches

3-way switches control 240Volt motor

No Neutral wire needed
Ground wire not shown
Wiring applies to any 240Volt load


Buy:
Contactor
Buy fuseholder at Amazon
Buy fuseholders at Amazon

Resources:
Fuseholder
Contactors
Terminals
Wire and breaker size chart
More motor resources
3 way switches control water heater

3-way switches control 240Volt water heater

Use ordinary 15 amp 3-way switches from hardware store
Must add busman fuseholder with 15 amp fuse. This will protect line and switches from over-amp and fire.
240Volt coil on DPDT contactor.
Buy:
Contactor
Buy fuseholder at Amazon
Buy fuseholders at Amazon

Resources:
Contactors
Fuseholder
30 amp DPDT switch

For certainty, always Test switch terminals using continuity tester before wiring.
24 amp safe maximum
Practical wiring diagram
Wire diagram
Toggle water heater between 120Volt and 240Volt
Max 4500 watt non-simultaneous water heater
Use 240Volt during times when electric prices are lower, and faster recovery is needed. Use 120Volt during peak prices when less hot water is used
Bring 120Volt from nearby outlet that has 12 gauge wire, or install lower watt elements if wire is only 14 gauge.

Using 30 amp Double Pole Double Throw switch
Ordinary 3-way switch will do same job, but without center off
Also called: 30 amp 2 pole DPDT switch
Buy double-pole double throw 30 amp
2 DPDT switch with center off at Amazon
2 DPDT switch with center off at Amazon

Connect 120Volt wires as Hot and Neutral. Black connects to 120Volt circuit breaker and White connects to neutral busbar.
Connect 240Volt wires as Hot1 and Hot2. Both wires connect to 240Volt breaker.
Resources:
How to wire water heater for 120 volts
Select correct wire and breaker
Figure volts amps watts for water heater
See inside main breaker box
Two water heaters
30 amp maximum current/ safe limit 80% = 24 amps
Over-amped switch will feel warm/ hot
How to control water heater with ordinary switches
water heater 30 amp switch Buy:
Leviton 3-way 30 amp switch
Leviton 3033 at Amazon
30 amp 3-way switches at Amazon
30 amp switches at Amazon
Buy Double-pole switches
Leviton 3032-2w double pole 30 amp at Amazon
Leviton MS302-DS 30 amp double-pole switch at Amazon
2-pole 30 amp non-fusable safety switch/ power cut-off
30 amp switches at Amazon
Buy double-pole double throw 30 amp
2 DPDT switch with center off at Amazon
Resources:
Twisting wires
wire connector basics

Rated 25 amps, max 5500 watt water heater
5500 Watt elements draw 23 Amps
4500 Watt elements draw 19 Amps

Resources:
Figure volts amps watts for water heater
Read label on water heater
control water heater with switch

240V water heater can be controlled directly with a 30-amp double-pole switch

Rated 25 amp
Turn off both Hot wires.
Not necessary, since turning off 1 hot wire works fine. Read above

Buy double pole. single throw, 30 amp switches:
Leviton 3032-2w double pole 30 amp at Amazon
Leviton MS302-DS 30 amp double-pole switch at Amazon
2-pole 30 amp non-fusable safety switch/ power cut-off
30 amp switches at Amazon

Resources:
Twisting wires
wire connector basics

Control motor or pump or water heater with ST01C timer

No Neutral wire needed
Ground wire not shown
Buy:
Intermatic ST01c timer at Amazon/ 1 year warranty
Intermatic ST01 timer
Ei600 5-year warranty timer at Amazon
CR2 replacement battery at Amazon


Resources:
How to program and wire ST01 timer
Load ratings for Intermatic timers/ pdf
Load rating for ST01 timer: 120V ac, 6A, 208-277V ac; DC Loads 4A 12V dc, 2A 28V dc; Motors 1HP 120VAC, 2HP
240V ac, Ballast 16A 120V ac, 208-277V ac; Resistive 20A 120-277Vac.

Buy:
Contactor
Buy fuseholder at Amazon
Buy fuseholders at Amazon

Resources:
Fuseholder
Contactors
Terminals
How to install timer: Project
More wiring for ST01C
Same wiring applies to Intermatic Ei600
Intermatic timers and manuals
ST01 timer controls motor
30 amp safety cut off

30-Amp 120-240-volt Two-Pole Indoor Safety Switch with Neutral/ fusable

Buy
2-pole 30 amp non-fusable safety switch/ indoor / power cut-off

2 pole 60 amp non-fusable / outdoor box/ at Amazon
Safety switches at Amazon
Safety switches for power tools

Resources:
How to wire safety switch
You can use fusable or non-fusable
Having more than one fuse on same line is ok by code
How to wire Tork DTU40
Tork-DTU40
How to wire Intermatic GM40
Intermatic GM series
Intermatic EH10 and WH21
Intermatic EH40 and WH40
  
Intermatic T-101 T103 T104
Pool timers and manuals
Intermatic T104P201

GE box timers
Wire GE 15207 timer
Intermatic ET series
Intermatic ET104C
Pool timers and manuals
Tork pool timers and manuals
Intermatic T104P201

Electricity leaves power plant What is 3-phase electric: power plant to end user
Gas and electric water heaters 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
Gas and electric water heaters Industrial electric at Amazon

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Control water heater w/ Z-wave
Intermatic control centers Control centers:
+ manuals and parts


All control centers and parts

Including Z-wave
programmable timer Compare programmable timers

Control water heater with programmable wall timer
Countdown timers Compare countdown timers

Control water heater with countdown timer
Low voltage power packs Low voltage transformers

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