Wiring diagram for paragon defost timer 8145-20 & 8145-10

1) Copy following links:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#4000
http://waterheatertimer.org/images/Paragon-4000-series-wiring.jpg

2) 4003-0 is 120Volt timer so clock voltage is 120V
Timer can control 120V or 240V loads
Use diagram 3

3) Paragon is no longer making this timer or parts for timer.
If you purchased timer from ebay, then assume motor is bad or X2772 trippers are worn out.
Always buy new timers. Buy Intermatic and parts are easily available.

4) Replacement timer is Intermatic T101

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

5x455 is WW Grainger number for 240Volt time initiated - time terminated Paragon 8045-20 timer.
Open following links to identify timer and download wiring diagram:

http://www.grainger.com/Grainger/PARAGON-Time-InitiatedTime-Terminated-Defrost-5X454?Pid=search
http://waterheatertimer.org/Paragon-timers-and-manuals.html#8045

8145-20 240Volt Paragon timer is not 3-phase.
Clock motor is 240V.
You need a transformer to convert 3-phase to single phase 240V to operate timer.
Then timer outputs can control 3-phase power using 3-phase contactors
Contactor below is 3 phase with 240V coil
http://www.grainger.com/Grainger/DAYTON-Contactor-2UTP7?Pid=search

Defrost timer wiring diagrams show below:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

Link below is for Paragon commercial box-type defrost timers
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost
Paragon page with defrost timers
http://www.uni-line.com/modules/catalog/SearchResults.aspx?catName=18848&pID=18818&mode=categorysearch

Link below has wiring diagrams and wiring manuals for 240V 8145-20
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

I am not expert installing defrost timers.
According to information from Paragon, 8145 is for hot gas defrosting. 8140 series are time initiated, and pressure-or-temperature terminated.
Wiring diagram does not show compressor wired to timer.

The cycle works like this:
Timer is running but defrost is not switched ON.
Fan is ON.
Timer switches ON and activates defrost cycle.
Fan turns OFF. Hot gas valve turns ON for defrosting.
Cycle limit switch is temperature or pressure sensitive.
Cycle limit switch reaches trip point, timer switches OFF.
Hot gas valve turns OFF. Fan turns ON.
So fan is off during defrost cycle.
Hot gas valve turns ON when timer switches ON.
Timer is switched OFF by pressure-or-temperature limit switch.

I think you have the 8145-20 240V
This is a time-initiated defrost timer

Paragon 8145 page
http://www.uni-line.com/modules/catalog/SearchResults.aspx?mode=productsearch&prodID=8145

Wiring for 8145
http://www.uni-line.com/images/docs/refrigeration-8140series-wiring.jpg

Wiring diagram shows both 120V and 240V
L1 L2 is 240V
L N is 120V



Website that explains defrost cycle
http://www.appliance411.com/faq/howdefrostworks.shtml

http://waterheatertimer.org/Paragon-timers-and-manuals.html

I don't find the Paragon 4004-20 listed in manual.
4004-71 is shown, and uses wiring diagram 3
4004-71B, M, S use wiring diagram 4
4004-06 uses wiring diagram 7
Your timer sounds like a 240V DPST
http://waterheatertimer.org/pdf/Paragon-4000-24hr-7000-7day.pdf

Manual shows wiring diagrams, depending on how many screw terminals and loads you have, and voltage of clock motor and voltage of load.

See Paragon defrost timer wiring diagrams and manuals at following link:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#defrost

Link below has wiring diagrams for 4001-00 timers:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#4000

Manual with wiring diagram:
http://waterheatertimer.org/pdf/Paragon-4000-24hr-7000-7day.pdf

4001-00 is wiring diagram #1
There are 3 terminals 1 2 3
Black Hot wire from circuit breaker goes to terminal 1
Black wire to Load (light, fan, motor) goes to terminal 2
Whites wires connect to terminal 3

You can contact Paragon (owned by Invensys Controls) Tech support at 800 445 8299 direct. When you call you will get an automated phone system. Navigate yourself to the defrost timer (not standard timers section) to get a tech rep.

Marty Walles is the most senior rep on these timers.