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How to wire Intermatic T10604R
Troubleshoot Intermatic T10604R

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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.
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Clampmeter for testing amp flow on line
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.

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Telephone cable knife
Low Voltage Mounting Bracket for Telephone

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
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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.
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KLEIN TOOLS
Wire strippers at Amazon
Electric Wire Stripping Machine
Linesman pliers
Utility knife at Amazon
Lever switchWeatherproof lever switch on outdoor lights
Safely operate outdoor toggle switch
Replaces outdoor cover
Install over top of ordinary switch
Works with single-pole, double-pole, 3PST, 3-way, 4-way switches etc
Use weatherproof box for outdoor
Can be used indoor or outdoor

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Cantex lever switch
Leviton lever switch
Outdoor lever switches at Amazon

Resource
Cantex-toggle-switch-covers.pdf
Cantex-PVC-junction-boxes.pdf
Weatherproof wire connector

Weatherproof wire connector

Connector cavity is full of silicone
Built-in cover keeps silicone in place
Protect from water, dust etc
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Weatherproof size 14 to 6 Amazon
Weatherproof size 22 to 8 Amazon

Resource
How to select and install connectors

Multimeter
Test for breaks in wire/ Test for voltage
Most appliance require 80% rated voltage to function correctly
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Analog multimeter
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Clampmeter for testing amp flow on line
Resource:
How to test and replace element
How to test thermocouple
Element tests for 120 volts
How to test wire

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 hands away from power.
Use non-contact voltage tester before touching wires.
Never touch or lean into any made of metal.
Remove metal objects from pockets.
Do not use oxygen or fuel accelerants in same room as electrical repairs

Resource:
Basic house wiring
TerminalsWeatherproof outlet cover
Safely use extension cord with weather resistant cover

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Outlet covers
Weatherproof box
For adding outdoor wiring
Drill through back of indoor box, and through wall to install new outdoor outlet.

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Hubbell Bell PVC box
Hubbell Bell aluminum box


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.

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GFCI circuit breakers
Push down
single-pole breaker  
1" and 2" 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

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

T10604 240 Volt control center for 2 speed pump
Uses 208-240 volt T104 and T106 timers located side-by-side inside control center.
Max 40 amp (safe max 32 amp). Rated for up to 5 Hp.
12" (30.5 cm) high x 12" (30.5 cm) wide with latch x 4-1/4" (10.8 cm) deep
Heavy duty, very reliable, widely available replacement parts, long lasting powder-coated Nema 3R weather-resistant enclosure. Up to twelve on-off settings per day, minimum 1 hour duration. How to operate and set T104 timers/ pdf
Resource: See charts for motors: amp, distance, wire size
This control panel has no circuit breaker spaces. Has 2 knockouts for 120 volt switch, outlet etc. Read information how to install and wire for 120 volt outlet/ switch
Intermatic parts sheetsBuy
T104 mechanism
T106 mechanism
T10604R with T106 and T104
Pentair pool
Hayward pool

Resources:
T10604 manual
Parts sheet
Control centers and parts
Digital control centers and parts
Freeze control centers and parts

Intermatic control center
Larger image
Step 1:
Wire the control panel busbar


120 volt + 208-240 volt with breakers


Use 10-3 with ground
Breaker base with 8 spaces

Breakers fit on either side of busbar

Use single breaker for 120V, double breaker for 240 volt

Resource
More control panel wiring




Household NM-B Wires are color-coded so inspectors/ electricians can easily identify which wire is used during construction

Damp- wet locations:
For direct burial underfoot, in contact with damp soil ... or for other damp locations ... use UF-B wire ... or use plastic conduit. UF-B wire can be difficult to strip back for wiring.
Match wire size and breaker amp rating
If your home was wired by professional electrician who pulled permits, then circuit breaker and wire size will match. If manufactured home or travel trailer has not been altered by homeowner then breaker and wire size will match.

Safe maximum of amp draw on a breaker is 80% rated value of breaker.
Look at label on each load (TV, refrigerator, box fan etc). Add up total watt load on circuit. Divide the watts by the voltage on line = amps.

Main breaker terminals are still Hot when main breaker is turned off. Absolute electrocution danger when removing cover off main panel. More information below.

Use 600 volt solid copper wire only
Do not use stranded wire inside main breaker box or any permanent box.
Stranded wire can be used for connectors and plugs, but comes loose under screw terminals of breaker, switch, outlet, or timer etc when heat on wire causes expansion and contraction of wire.

Do not use extension cord for permanent household wiring
Extension cords are used for connectors and plugs only.
Read about extension cord code

Buy:
Southwire at Amazon
Resource:
How to replace circuit breaker
Ampacities source for TW and UF insulated wires: NEC table 310-16

GFCI in breaker box
Larger image

Install GFCI circuit breaker inside main breaker panel?
Outdoor circuits are always safer with GFCI protection, and GFCI installation might be required to meet local codes.
Caution, only 1 GFCI per circuit. So if your are going to install 120 volt plugs inside the panel (as shown lower on page) then these will be automatically protected by the 240 volt GFCI breaker.
Illustration shows 2-pole 240Volt GFCI.
The ordinary 240Volt breaker does not have white wire
The GFCI 240Volt breaker has white wire that connects to neutral busbar.
Buy:
240 volt GFCI breaker
GFCI circuit breakers


T10604R wiringStep 2:
Wire the timers T10604R wiring for 2 speed pump

For controlling 240 volt 2-speed pool pump (or any pump or motor up to 40 amp 5 Hp) with minimum cost and long-term reliability. Replacement parts are available and can be installed DIY using ordinary tools.
T10604 consists of T104 on right side and T106 timer on left side.

Both timers have a clock motor that rotates yellow dial once per day. Dial can hold up to 12 sets of trippers, for 12 off-offs per day. T10604 comes with 4 sets of trippers for 2 OFF and 2 ON each day for each timer.

How it works:
T104 timer controls overall on-off function for pump.
T106 timer controls when pump is high or low speed.

Incoming 240 volt connects to Terminals 1 and 2 on T104 timer. When T104 is OFF, then the pump is OFF.

When T104 is ON, terminals 2 and 4 are activated with  power. Terminal 4 sends power to COM wire on pool pump. Terminal 2 sends power to T106 timer.
The T106 timer is always ON. It is either in the NO or NC position depending on clock settings. So when power arrives from T104, the T106 timer automatically sends power to either the High or Low speed wire on pump.
Once the pump has power on the COM wire and either the Low or High speed wire, then the circuit is complete and pump turns ON.
This means the circuit to pump is completed when the High speed wire and COM wires both have power .... or when the Low speed and COM wires have power.

Larger image
Wiring for 2 speed pump (same as illustration above)
Uses T104 (right) and T106 (left) timers located side-by-side inside control center.
Each 240 volt timer has a separate 3 watt WG1573 clock motor that rotates yellow dial 1 revolution per 24 hour period. Clock motors are reliable but can be replaced if they slow or stop operating. Both clock motors are connected to terminals 1 and 3 on T104 so they receive continuous power.
Buy
T104 mechanism
T106 mechanism
T10604R with T106 and T104  /208-240V for 2-speed pumps
Pentair pool
Hayward pool

More wiring diagrams on following links:
How to wire T104
How to wire T106
How to wire Hayward 2 speed pool pump
How to wire freeze control
How to wire T10404R and T10101R
How to wire control centers

Larger image
Add a freeze thermostat to T10604
When temperature drops below set point (35°F), the freeze thermostat turns on 240 volt contactor coil .... completing circuit that bypasses on-off function of T104 timer ... This sends power to pump on COM wire and sends power to T106 .... which turns on pump in either high or low speed depending on T106 timer setting.

If T104 is turned on at same time freeze circuit is on, it will not matter since pump is turned on anyway. Electricity will simply choose path of least resistance to supply power to pump.

Contactor and freeze thermostat can be installed directly inside the T10604 enclosure. Take care that electrical connections do not touch sides of metal enclosure. Use plastic box cover between contactor and metal enclosure as needed. If necessary, install contactor inside separate enclosure
Buy:
Freeze thermostat
Contactor 40 amp 240 Volt coil
Packard contactor
Mars 2-pole and 3-pole contactors
Terminal kit
Blue terminals for 16-14 wire
Separate enclosure
178T24 freeze thermostat
Intermatic freeze control PA102Other freeze options: Buy
PA102 mechanical thermostat and SPDT relay
PF1102M 240 volt freeze thermostat
Freeze control
Inline freeze switch/ 15 amp max

Resources:
How to wire PF1202T and PF1222TB
Intermatic freeze controls and manuals
Resource
How to make a freeze outlet

21T156A standoffs.
Install wiring devices inside the enclosure
First remove rectangular knock-out(s) in dead front.
Remove front panel
Remove hex head screws from enclosure and install  21T156A stand-offs in place of screws. 6-32
Attach deco-style wiring device to standoffs.
Replace front panel
Buy:
21T156A stand-offs pack 4 each
21T166A stand-off 3" long / pack 2
Resource:
How to wire control center GFCI

Must bring 3 wire cable with 2 Hots, ground, Neutral from breaker box so the 120 volt outlets have Neutral wire.
If circuit breaker is 30 amp or above, then install a line fuse to match amp rating of outlets.
Buy:
ANL fuseholder
e2 fuseholder with platinum plating
ANL fuses

Wiring Tips
Keep wires straight
Use solid copper wire
If wiring terminal  or end of wire are covered with green, use emery board to clean terminal and sandpaper to clean wire.

Insdulation under screw plate
Larger image

Both wires MUST be same gauge
Straighten each wire
If wire is corroded or overheated, clean the end with sandpaper and wipe with cloth.
If wire has been melted, cut back and reattach, or replace wire.
Tighten screw very tight against copper wire


Use wire connector  
Push on wire connectors
Use push-on wire connectors
3 wires/ or different gauge wires
Join wires with wire connector or push-on connector
Run jumper to screw terminal.
Buy:

Red 3P connector (shown) for 10-14 gauge wire
Lever connectors for stranded wire
Fire safety/ Do not put stranded wire under screw plate
Do not install stranded wire under screw.
Problem1: picture shows 2 different gauge wires under screw plate
Problem2: Stranded wire will expand and contract and come loose under screw plate, even if it is the only wire under the screw plate
Attach stranded wire and solid wire with wire connector, and run solid copper jumper wire to screw terminal
Take photo of wires before starting.

Resources:
Timer caught fire
Load ratings for Intermatic timers/ pdf


Larger image
10-3-wire
10-3-wire  12 Ga
10 gauge or 12 gauge?
Compare your wire with short pieces of 10 and 12 gauge wire from local box store

10 gauge for 30 amp breaker.
10 gauge wire can have black-white and sometimes black-red

12 gauge for 20 amp breaker
12 gauge will have black and white wires

Buy:
Southwire romex cable
Resources:
Match color code and amp rating for wire
Basic house wiring
Add black tape when White wire carries voltage (applies to 208 and 240V circuits)
With 120 and 277 Volt circuits, White wire is Neutral, and Black is Hot
With 208 and 240 circuits, both wires are Hot, and both wires carry voltage
Black tape on White wire identifies wire is Hot and not Neutral

Troubleshoot T10604R
-Flip circuit breaker fully off and then back on.
-Check that both clock motors are connected to terminals 1 and 2 on the T104 timer.
-Observe if both clock dials are rotating 1 revolution per day. If dials are not rotating, then clock motor is bad, unit is not getting voltage, or is getting incorrect voltage.
-Convert timer to either 120 Volt or 240 volt by changing clock motor
Buy:
240 volt clock motor for T10404R
120 volt clock motor for T10101R

-Check if each clock dial has ON and OFF trippers fastened to yellow dial.
-Move both override levers to ON position and pump should turn ON. If pump worked previously and doesn't work with both overrides in ON position, then check for 240 volt across terminals 1 and 2 on T104.
-If pump turns ON when overrides are in ON position, but pump does not turn ON when timers operate normally, then replace trippers.
-Observe if the trippers push the override lever back and forth between ON position and OFF position. If the dial rotates tripper past the override lever, and override lever does not change position, then most likely problem is worn trippers need to be replaced.
Intermatic 156T1978A tripperBuy: trippers
156T1978A set 2
156T1978A trippers
PA115 - 25 sets

-If the trippers are sliding past the override lever, and new trippers do not solve problem, then replace timer module.
Buy:
T104M DPST 240 volt mechanism
T106M SPDT 240 volt timer

Buy 120 volt:
T101M SPST 120 volt mechanism only
T105M SPDT 240 volt timer

- Undersized wire and breaker can cause malfunctions.
- Check that motor load is working correctly. Look at rating plate on motor for voltage and amperage requirements.
- Convert control center timers to either 120 Volt or 240 volt by changing clock motor
Buy:
240 volt clock motor for T104 or T106
120 volt clock motor for T104 or T106

-If the above steps check OK, then check terminal connections and wires. Max 2 wires under a terminals. Do not use stranded wire. Clean corroded wires with sandpaper, or use white vinegar to help dissolve build-up on terminals. Tighten screws very tight against copper wire. Use only copper wire. 

Repair Parts/ clock motors
WG1573 clock motor
Look for clock number
WH40 clock motor
Consumes 3 watts power
Clock motor can be replaced
Star screws
3 watt consumption = 26,280 watts per year = 26.28 Kwh per year @ .12 = $3.15 operating cost
60 Hz for US market/ 60 Hz for Europe Asia

Resource:
How to replace Intermatic clock motor

Adapt any timer above to different voltages:
Applies to T104, T174, WH40, pool timers etc
WG1573 for 60 Hz 208-277V  WG1573 208-240Volt
WG1570 for 60 Hz 120V  WG1570 120Volt
WG1576 for 60 Hz 480V WG1576 480Volt
CW190-10 for 24 volt 60 Hz 24V at Intermatic


America use 60 Hz power. Rest of world uses 50 Hz.
50 and 60 hertz devices are not always compatible.
WG1571 motor for 50 Hz 120Volt at Intermatic
WG1574 motor for 50Hz 208-277V Amazon
Intermatic 156T1978A tripper
Buy trippers
156T1978A set 2
156T1978A trippers
PA115 - 25 sets
Intermatic mail-in order form
Timer dial can hold 12 sets
1 on- 1 off for each 24 hour period
Intermatic 156T4042A fireman switch
Fireman switch turns off pool heater 10 minutes before pool pump turns off.
Pool heater must have fireman connection.
Do not connect power wires inside timer to fireman switch... the heater connects to fireman switch
Can be installed on any T100 series timer.
Resources
Fireman's switch pdf
How to wire fireman's switch
Buy:
156T4042A Fireman switch Amazon
156T6738A insulators
156T6738A insulators

Add Insulator to override switch for electric safety
124T1952 Insulator
Buy:
124T1948 single pole for T101, T102, T105

124T1952 double-pole for T103, T104, T106

Add a transformer to get 120 volt
buck boost transformer


Large image of wiring
Convert 240 volt to 120 volt using step down power transformers
Reliable ... efficient ... no moving parts ... years of service ..... requires enclosure
5.1 x 5.6 x 3.6 inches ; 3 pounds
Connect 240 volt incoming voltage to Primary side, connect 120 volt output wires to secondary side. Inputs and outputs are AC.

Buy:
Siemens industrial transformers

Choose enclosure that is large enough
Bud industries hinged box 6x8x4
Metal outdoor Enclosure/ with 1/2-3/4" knockouts
Polycarbonate enclosures drill for knockouts
Thomas and Betts 6x6x4 plastic with cover at Amazon
Bud industries 11x7x5 box no knockouts
Tapered drill bit 1/4"-1-3/8 holes
tapered drill bit
Example Nema 3R indoor outdoor enclosures
2T511GA enclosureAltelix enclosure
Siemens MT0050AExample wiring diagram for transformer
If the input voltage is 220-230-240 volt, then connect one wire to terminals H1 and H3, connect other wire to H2 and H4.

If input voltage is 440-460-480 volt (480 for Americas), then connect one wire to H1 and other wire to H4, then jumper a wire between H2 and H3.
Larger image of transformer
Buy:
Siemens MT0050 industrial transformer

Note: 60 Hz Hot to Hot 240 volt is for power grid in Americas, 50 Hz Hot to Neutral 230 for Europe, and 50 Hz Hot to Neutral 220 for Australia etc.

Neutral wire on output?

When ordering: "If the dual voltage is separated by an “X” (120 x 240), the transformer can be connected only for 120 volts or 240 volts, and no neutral is available.

But, if dual voltage is separated by a “slash” (120/240), an additional Neutral connection is possible since the mid-point becomes available for 240/120 3-wire operation."
Resource pdf pg 4
Read more about transformers
Encapsulated step down Transformers/ Typical household use would be to step 240 volt down to 120 volt.
Convert 240Volt to 120Volt without needing neutral wire from breaker box

Convert 480Volt to 240Volt
Type 3R indoor/outdoor enclosure

480 volt to 240 volt Wiring not illustrated
Two wires from 480Volt input connect to H1 and H4 on the Primary side, and then H2 and H3 are twisted together and covered with wire nut.
Secondary output 240V, 1 wire connects to X1 and X3 and other wire to X2 and X4
240 volt to 120 volt Wiring shows Fig-55
Two wires from 240Volt input connect to H2 and H3 on Primary side, and then  H1 and H4 are twisted together and covered with wire nut. Shown with Red arrow on Fig-Acme-1
Secondary output 120V, 1 wire connects to X1 and X3 and other wire to X2 and X4. Shown Green arrow on Fig-Acme-1
Secondary output with 120/240V, 1 wire to X1 or X2 or X4. Then X and X3 are twisted together and covered with wire nut. Shown with Blue arrow on Fig-Acme-1

Buy:
500 watt 240-120 volt step down
1000 watt 240-120 volt step down
1000 watt step down
2000 watt 240 volt to 120 volt step down
Encapsulated transformers
Acme step down - 120/240 primary/ 120 240 secondary

Resources:
Acme ransformer wiring
Dry transformer installation
Match wire and breaker size
How to wire a subpanel
Read about household single-phase electricity
Read about 3-phase
How to wire 3-phase timers

2 speed pump controller
Larger image
Build your own 2 speed controller
Any Hp motor or pump
40 amp relay & contactor = 5 Hp @ 240 volt


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40 Amp DPDT relay at Amazon
Siemens power relays
Schneider W199 relay
NTE open frame relays
Packard DPDT fan relay
Magnecraft 50-1289-1 relay box and cover
Fiberglasss enclosures

Resources:
How to assemble parts
Compare programmable timers
Wire size and amp charts for motors
Information on contactors
Enclosures and boxes




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