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How to wire T106 timer/ 240 volt/ SPDT

Applies to T106R, T176, T106P3, T106M


T106R / outdoor metal box/ 240 Volt
40 amp/ NO NC
Buy
T106R outdoor at Amazon
Resources:
T106R manual
How to set and operate T100 series timers
Sell sheet

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Day skipper
T176 / indoor metal box/ 240 volt/
40 amp/ NO NC terminals
Buy
T176 timer at Amazon
Resources:
T176R manual

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T106P3/ outdoor plastic box/ 240 Volt
40 amp/ NO NC
Buy
T106P3 beige plastic box
T106R metal gray box

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T106M/ mechanism
Buy
T106M at Amazon
Use only 600 volt wire.
Lamp cord, extension cords are not rated 600 volt.
Use copper wire only. Aluminum wire is fire risk and should be avoided or installed by professional.

30 amp breaker use 10 gauge /
120-240 volt 30 amp outlet can be installed on 30 amp breaker only/ use 10 gauge wire ... cannot be connected to 15-20-40 amp breaker.

Orange/ #10 gauge wire, with ground ... 30 amp capacity. Safe maximum: 30 x 80% = 24 amps.
Buy:
10-2 gauge/ 30 amp
10-3/ 30 amp
Southwire electric tools
Yellow 12 gauge 20 amp
120 volt 20 amp outlet can be installed on 20 amp breaker, but not 15 amp breaker/ use 12 ga wire.
... cannot be connected to 30-40 amp breaker. 1

Yellow/ #12 gauge wire, with ground ... 20 amp capacity. Safe maximum 16 amps.
Buy:
12-2 gauge/ 20 amp
12-3/ 20 amp

NMB is house wiring
UF is underground
Rolls of stranded wire
HOOK UP Wires
White 14 gauge 15 amp
120 volt 15 amp outlet, AFCI, GFCI, timer, switch etc can be installed on 15 or 20 amp breaker. Never connect 15 gauge wire to 20-30-40 amp breaker.

White/ #14 gauge wire,  with ground ... 15 amp capacity. Safe maximum 12 amps.
Buy:
14-2 gauge/ 15 amp
14-3/ 15 amp

NMB is house wiring
UF is underground
50-60 amp breaker use 6 gauge /
240 volt 50 outlet can be installed on 50 amp breaker only
6-2 wire
Buy:
6-2 wire
Southwire electric tools
NMB is house wiring
UF is underground
40-50 amp breaker use 8 gauge /
240 volt 40 amp outlet can be installed on 40 or 50 amp breaker only
6-2 wire
Buy:
8-2 wire
Southwire electric tools
NMB is house wiring
UF is underground
     
Copper ground wire.
Every device, load, metal enclosure etc must be grounded. Ground wire must be continuous throughout installation, never switched on-off, never used as a Neutral wire.
Generally ... use same size as other wire in circuit
Buy:
12 gauge copper ground wire
Ground wire
Green ground wire
Ground pigtails
Ground rods/ ground clamps at Amazon
armored cable
Non metallic flexible cables must carry ground wire, but do not have hazard of short circuit causing injury from shock.

Armored steel cable can be used as a grounded connection, and will protect wires from damage. Metal can be energized from an insulation failure.

All conduit ...metal, plastic ... flexible and rigid ... must be attached to structure, and attached to enclosures, boxes.
Movement, damage and deterioration are major cause of electrical failure.
Buy:
Non-metallic flexible conduit
Power whip
Armored cable
Southwire armored cable cutter
Pull boxes
Southwire armored cable cutter
Electrical tools must be insulated.
Always best to disconnect power, but insulation failure, lack of proper grounding, grounded neutral, lack of GFCI, out-of-code wiring, generator operating without transfer switch, and other problems still pose a risk to anyone working on electric power ... even when breaker is off.

Buy:
Electrician tools kits
KLEIN TOOLS
Tools kits
IRWIN tools
KNIPEX

Telephone cable knife
Low Voltage Mounting Bracket for Telephone
stranded wire
600 volt 12 ga Stranded wire ot THHN wire is good for conduit with multiple wires ... but stranded cannot be installed under screw terminals on outlets, switches, timers etc without risk ... of heat causing splayed strands ....that come loose ... and begin to arc. Connect stranded to short piece of solid copper wire, and attach solid to screw terminal. Do not solder residential or commercial wiring.

Project wire, extension cords, thermostat, bell and automotive wire are not rated for residential or commercial wiring. Only wire maked 600 volt can be used for permanent household wiring.
Buy:
Southwire 600 volt stranded wire
Rolls of stranded wire
HOOK UP Wires

Protect wiring from damage
Use nipper instead of pliers or screwdriver for removing staples (and nails). Do not damage cable or wires inside cable.

-Code says: Cable SHALL BE secured without damage to the outer covering. NEC sec. 336-15
Buy
End cutting nippers at Amazon


Electrically insulated tools
When removing insulation from wire, do NOT score or put cuts on surface of copper wire. Doing so increases resistance and heat on wire and creates possible weak point.
Buy tools:
KLEIN TOOLS
Wire strippers at Amazon
Electric Wire Stripping Machine
Linesman pliers
Utility knife at Amazon
multimeter
Multimeters
Voltage is tested across two separate wires. Ohms or resistance is tested across both ends of same wire. Amperage is tested along one or two points on same wire.
Buy:
Analog multimeter
Multimeters at Amazon
Klein multimeter
Electric testers at Amazon
Clampmeter for testing amp flow on line

GFCI circuit breaker
A GFCI circuit breaker will protect all boxes on circuit.

Circuit must be grounded. Ground wire must be continuous and connected to each piece of equipment.

White wire on circuit breaker must be connected to Neutral busbar inside the breaker panel.

Buy
GFCI circuit breakers
Push down
single-pole breaker
1" wide Push down breaker
Plug-in breaker
Buy single-pole:
Choose from 15 to 60 amp
Eaton CL series
Siemens 15-60 amp

Single-pole tandem breaker
Tandem breakers
Push down
double-pole breaker
2" wide Push down breaker
Plug-in breakers
Buy double-pole:
Choose from 15 to 125 amp
Choose from 15 amp to 200 amp
Eaton CL series circuit breaker
Siemens circuit breaker
Double pole GFCI

Wiring for T106 series

DTSP/ single pull double throw timer: single activation of timer switch can turn on either high or low speed on pump
Illustration from product manual expanded to show complete wiring
Buy:
T106R outdoor timer
Southwire armored cable cutter
Electrical tools must be insulated.
Always best to disconnect power, but issues of insulation failure, lack of proper grounding, lack of GFCI, out-of-code wiring, generator operating without transfer switch, and other problems pose a risk to anyone working on electric power.
Buy:
Electrician tools kits
Klein tools
Tools kits
T106 2-speed pump
>2-speed pool pump wire colors may be different than illustration
>For example High speed might be White and Low speed Yellow
Connect Low speed to NC terminals. High to NO terminal.

T-106 timer: 2-speed 240 Volt pump

Timer acts as a high-low switch for continuous-running 2-speed pumps.
T106 timer does not turn pump off. Use P1353 for 2-speed pumps that turn off
>Or use 2 timers, and wire first timer before T106.
Typically, a T104 timer would be integrated into circuit for that task.
See wiring diagram for two timers

Wire colors will be different. For example white wire may be Low speed.
wiring diagram and instructions for pump
Typically Low speed is running most of the time
So connect Low speed wire to NC terminal 1, and High speed wire to NO terminal 4.
Set timer to turn ON during times when High speed is needed.
Minimum on-off is 1 hour.
>Pump operates continuously. Install another timer on L2 Hot line to turn pump ON-OFF
Pump motor must be grounded
Resources:
How to set Intermatic T100 series timers
Wire Intermatic T106 timer

T-106 timer 277 volts/ Toggle between high and low speed

T106 timer has NO NC terminals
When timer is OFF, then Pump receives power from 2 terminals ... terminal A and NC terminal 1 ... resulting in low speed.
When timer is ON, then Pump receives power from 2 terminals ... terminal A and NO terminal 4 ... resulting in high speed.
This means the Pump is always ON, so a second timer would be required to turn the Pump off at intermittent times. Typically, a T104 timer would be integrated into circuit for that task.
Add Black tape to white wire that carries power

Resources:
How to set and operate T100 series timers

T10604R manual
T100 series parts
Sell sheet

T100 series timers/ all models shown
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T104 timer and T106 timer together

Problem: The T106 timer is either high or low speed, but never OFF. The pump runs full time.
To solve problem, a T104 is added to circuit.

This means the T106 will toggle the pump between high and low speed.
And the T104 timer turns off the pump.
Note the T104 does not turn off the T106 timer ... instead it overrides the T106 and turns off the pump.

When T104 timer turns off, the pump resumes high-low operation based on when the T106 timer is in high or low.
Normally to accomplish this, the T10604R control center is used ... or you can buy the T106 and T104 separately
T10000R seriesBuy:
T10604R with T106 and T104 together  /208-240V for 2-speed pumps
T104 series / buy T104R or T104P with outdoor box
T104R metal outdoor box at Amazon
T104P plastic outdoor box at Amazon
T106R outdoor timer

Resources:
T10604 Door label
Intermatic control centers plus manuals and parts
Wire Intermatic T106 timer for 208 volts

T-106 timer 208-240 volts/ Toggle between 2 different loads

T106 timer has NO NC terminals
When timer is OFF, then NC Load 2 is ON, and NO Load 1 is OFF
When timer is ON, the reverse happens, and Load 2 is OFF, and Load 1 is ON

Use this configuration for 2-speed 240Volt pool pump that runs continuously.
Use NO NC connections to change between High and Low speed

For 120Volt application,.buy T105 timer.
Or replace WG1573 clock motor with WG1570
Buy: WG1570 120 volt clock motor
Resources
See wire sizes and load ratings
2 speed motor wiring
2-speed motor wiring larger
Resources:
Other 40 Amp timers can control 2-speed pump:

Intermatic GM40
GE 15207
Tork DTU40
Intermatic T1906 20 amp timer

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T106 and T104 timer control 2-speed pump

T104 turns pump on-off T106 changes pump from high speed to low speed Wire this configuration when 2-speed pump is not ON all the time Use T106 without T104 when 2-speed pump is ON all the time
Buy:
T10604R with T106 and T104  /208-240V for 2-speed pumps

Resources:
T10604 Door label
More control centers
Intermatic P1353 timer
See P1353 manual and wiring

2-speed alternative timer

Buy:
P1353 timer at Amazon
PE153 at Amazon

Resources:
P1353 manuals and wiring
For 2-speed pumps that do not run continuously, install P1353 timer.
Snaps into any Intermatic enclosure
2T2485GA enclosure

Convert indoor timer into outdoor timer:

Buy different enclosure

Buy:
2T2502GA beige plastic Outdoor box at Amazon

Resource
Enclosures
Intermatic GM series

2-speed alternative timer/ 20 amp

Use T1906 and T1975
SPDT with NO NC terminals, For 2-speed pumps and other NO NC applications
15 minute time intervals instead of 1 hour for T106
T1976 has day skipper

Resource:
T1906 and T1976 wiring

Lower amperage 120Volt timers with NO NC terminals:

Resources:
FM1 series
PB series
FMD series
T106 timer wiring

T-106 timer: Single-pole Normally Closed

This lets you operate any 208-240 volt load using T106 timer.
T106 acts like ordinary ON-OFF timer for any 208-240 volt load up to 40 amps.

Normally Closed means the circuit is turned ON, and power is available to run Load.
When timer activates, the circuit is turned OFF

Move clock motor wires from A-3 to A-1
control water heater with T106 timer
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T-106 timer changes water heater temperature

Use timer for two different temperatures on electric water heater.

Either upper thermostat andelement have power or lower thermostat and element have power. But not both at same time.

Install ECO-protected thermostat for lower thermostat.
Both upper and lower parts of tank are ECO-protected from overheating
Rewire tank so upper and lower parts are separate.
Use T106 timer to switch power between lower and upper parts of tank.

Normal operation, the lower thermostat and element receive power and keep tank at temperature set point. Upper thermostat and element have no power.
This is called 'redundant' water heater operation. This technique for heating tank more rapidly after cold water first enters tank.
Resources:
How to wire thermostats

When timer activates, power to lower part of tank turns OFF. Power to upper part of tank begins. Upper thermostat is set for higher temperature.
Since tank is at regular temperature, the higher setting means upper element will turn ON and begin heating tank to higher set point.

Use this technique to heat water very hot for laundry cycle.
Disadvantage: The lower part of tank will cool rapidly as new cold water enters tank, so this technique is good for making short-term batches of hot water.
Resources:
This technique applies to other timers:
Intermatic GM40 timer
Intermatic WHQ timer
Tork DTU40 timer
GE 15207 series timers

T-106 clock motor 240 volt (208-277)

Buy:
WG1573 for 60 Hz 208-277V Amazon

T106 timer clock motors


Intermatic clock motor >>>>> Intermatic clock motor

T-102 timer changed to 24 Volts

CW190-10 for 24 volt 60 Hz 24V at Intermatic

T-106 changed to 120 Volts

Buy:
WG1570 for 60 Hz 120V at Amazon

Change T-106 changed to 60Hz to 50 Hz

WG1571-10D motor for 50 Hz 120Volt
WG1574-10D motor for 50Hz 208-277V Amazon

T-106 changed to 480 Volts

Buy:
WG1576 for 60 Hz 480V at Amazon
How to replace Intermatic clock motor
156T1961A tripper

Trippers

Dial can have 12 sets ON-OFF trippers
Buy:
156T1978 trippers Amazon
124T1952 Insulator
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124T2411A insulator pk 25

Insulators

Translucent
124T1952 double-pole T103, T104, T106
124T1952 double-pole T173, T174, T176

Buy:
124T1952 at Amazon
124T2411A black rigid


Resource:
How to take apart and repair T100 series timers
2 speed pump controller
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Build your own 2 speed controller

Any Hp motor or pump

40 amp relay & contactor = 5 Hp @ 240 volt

Buy from my affiliate links
Magnecraft box and cover
Magnecraft w199 relays
Siemens power relays
Schneider W199 relay
NTE open frame relays
Contactors/ reliable for heavy amp loads
15 amp Relays for loads up to 10 amps

Resource:
Difference between relay and contactor
DC relays for solar panels
Reverse motor using DPDT relay
Control motor with 2 switches
Start two motors at different times
How to reverse motor with switch
Relays for DC motors and solar panels

Resources:
How to assemble parts
Compare programmable timers
Wire size and amp charts for motors
Information on contactors
Wiring for other T100 series timers
T101 Wiring: How to wire T101 and T171 series timers
T101B Wiring: How to wire T101B timer
Applies to T101B with separate wiring terminals
T103 Wiring: How to wire T103 and T173 series timers
T104 Wiring: How to wire T104 timer
Applies to T103, T103R, T103P, T103M, T103PCD82, T173, T173R T173M  see all models
How to wire Intermatic T102: How to wire T102 and T172 series timers
How to wire Intermatic T105: How to wire T105 timer
Nema 1 indoor enclosure/ 
To convert to 208-277V operation, replace WG1570 clock motor with WG1573 clock motor
How to wire Intermatic T106 timer: How to wire T106 timer
Nema 3R indoor-outdoor enclosure
To convert to 120V operation, replace WG1573 clock motor with WG1570 clock motor
How to wire Intermatic pool timer: How to wire pool timers
Control centers:
Control centers: + manuals and parts

All control centers and parts
Intermatic/ Grasslin enclosures
Metal and plastic enclosures
Intermatic enclosures
Intermatic sprinkler timers and wiring Intermatic sprinkler timers
How to wire Sprinkler timers + rain sensor + manuals + buying options
How to connect rain sensor when timer does not have rain terminals
How to Set & Troubleshoot Intermatic sprinkler timer/ pdf
Multi-function timers and wiring 40 amp
Multi function timers and manuals
GM40 timer  Intermatic GM40AVE    Woods 59402 timer  Tork DTU water heater timer  
T1906-5  T1975-6 heavy duty timers 20 amp
Multi function timers and manuals
Intermatic T1906 timers
ET series digital timers/ 20-30 amp/ 120-277 volt/ multi-channel (same timer controls two circuits with different programming)
ET series timers
           Intermatic ET279 timer    Et70215 timer
Timer modules/ 16 amp/ 12-240 volt
Timer modules/ 16 amp/ 12 to 240 volt
MIL72E timer     FM1-timer   MIL72A timer   CN101A timer wiring   Intermatic PB300      
Gas and electric water heaters Buy:
Industrial electric at Amazon

Industrial supplies at Amazon

Industrial and scientific Amazon
box timers Compare box timers

Compare ways to control Gas and Electric heaters
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
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