|
Some of these posts are very old and might contain outdated information. You may wish to search for newer posts instead.
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
KNOWLEDGE OF ELECTRICAL WIRING NEEDED 15 AMP RELAY 1
#25463277 - 09/16/18 12:01 AM (5 years, 4 months ago) |
|
|
OK I am no electrician all your jokes and pokes are welcome and I am sure they will give me a good laugh also. I need help completing my hi pressure fog system from a pressure washer project. It is working awesome so far. Here is my whole post or you can just look at the pic to give you an idea of what I did...

This is my dilemma. I am running the system with a WILLHI WH1436H digital humidity controller it is rated for 10 amps. So I have it hooked up to a relay rated for 15 amps because the pressure washer draws 12 amps and I don't want future problems.This Was not a problem for me to hook up and was running two JUNK and I do mean JUNK 9 disk house of hydro ultrasonic foggers. Now I have it hooked up to a pressure washer so I have hi pressure fog system. But now I am worried about losing water pressure and burning up my pressure washer if the water shuts off for any reason. I think I have everything I need Just laying around here to hook up a water pressure switch. So for all you electricians out there or anyone that can help for that matter. Please look at my drawing and see if it looks right and will work. For some reason I think I may not need two relays. All the parts in the drawing I already have and would not have to buy anything which is a big plus!
Edited by SHROOMSISAY01 (09/19/18 09:24 PM)
|
bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,889
Loc: Milky way
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: SHROOMSISAY01]
#25463799 - 09/16/18 07:57 AM (5 years, 4 months ago) |
|
|
This thread was moved from Mushroom Cultivation.
Reason: Better fit. No one would use something like this for psychedelic mushrooms.
|
Chwyn
Bacteria Rancher


Registered: 08/21/16
Posts: 1,238
Last seen: 10 months, 10 days
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: SHROOMSISAY01]
#25464644 - 09/16/18 01:48 PM (5 years, 4 months ago) |
|
|
Hopefully someone smarter than me will chime in.
why not use the pressure switch to shut off the humidistat since you wont be using it anyways when no water. Then use the humidistat to control a relay that turns on the pump. I dont apologize for the crappy drawing, im lazy. try and keep the relay close to your power so you dont have a hot line running far. lil bit safer.
Edited by Chwyn (09/16/18 01:52 PM)
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: Chwyn]
#25465493 - 09/16/18 07:37 PM (5 years, 4 months ago) |
|
|
Quote:
Chwyn said: Hopefully someone smarter than me will chime in.
why not use the pressure switch to shut off the humidistat since you wont be using it anyways when no water. Then use the humidistat to control a relay that turns on the pump. I dont apologize for the crappy drawing, im lazy. try and keep the relay close to your power so you dont have a hot line running far. lil bit safer.

I thought you had it, but the problem is the pressure switch only lets power flow when water pressure is below 40 psi above 40 psi the switch is off. In other words when pressure drops below 40 psi, it is supposed to turns on a pump to build pressure back up. I need it to switch off the pump (actually pressure washer) to keep from damaging it. Wired like this nothing would run unless the pressure was below 40 psi. That is my fault I should have that stated in the drawing. I am sorry. I will fix the drawing.
Thank you for your time I know it takes some thought to visualize what is Going on. Good job and thanks for the effort!!
Edited by SHROOMSISAY01 (09/16/18 07:40 PM)
|
lipa

Registered: 07/24/07
Posts: 2,684
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: SHROOMSISAY01]
#25465777 - 09/16/18 09:32 PM (5 years, 4 months ago) |
|
|
run the two relays inline (between the humidistat and the pump) and use the pressure switch to control the first one .
the pressure switch when below 40 psi activates to the NO terminal on the first relay
the humidistat when on activates to the NC contact on the second relay.
Your using the pressure switch to interrupt the humidistat relay by means of the first relay.
Edited by lipa (09/16/18 09:38 PM)
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: lipa]
#25465884 - 09/16/18 10:33 PM (5 years, 4 months ago) |
|
|
Quote:
lipa said: run the two relays inline (between the humidistat and the pump) and use the pressure switch to control the first one .
the pressure switch when below 40 psi activates to the NO terminal on the first relay
the humidistat when on activates to the NC contact on the second relay.
Your using the pressure switch to interrupt the humidistat relay by means of the first relay.
Thanks for the in put I can't visualize it right now and I don't feel like drawing it up at the moment. I don't see a difference in the way I have it. but I haven't really looked at it. What is the major difference in the way you have it from mine?
Thanks I will give it more thought tomorrow.
|
drake89
Mushroom Magnate



Registered: 06/26/11
Posts: 4,168
Loc: TN
Last seen: 4 years, 10 months
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: SHROOMSISAY01]
#25466317 - 09/17/18 04:32 AM (5 years, 4 months ago) |
|
|
NC= NORMAL CLOSED NO= NORMAL OPEN
You're messing with electricity and water so please be careful! I know mushroom farmers who have been maimed from home made equipment.
You want a low level water switch. You have something like a well/pressure tank switch. Low level cut off is just one set point.
|
Chwyn
Bacteria Rancher


Registered: 08/21/16
Posts: 1,238
Last seen: 10 months, 10 days
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: drake89]
#25466784 - 09/17/18 09:53 AM (5 years, 4 months ago) |
|
|
oh my bad didn't realize the switch was normally open.
Alright so your pressure switch is wired to the relay. The humidistat is connected to the normally closed side that is wired to power. The output part of the humidistat is connected to another relay. Your pressure washer hot is connected to the normally open side of that relay which is connected to the normally closed relay controlled by the pressure switch.
The humidistat will receive power while the pressure switch is open, and close the 2nd relay when humidity is low and cut on your pressure washer. When water pressure drops and the pressure sensor closes contacts and powers the relay your humidistat will shut off and cut power to the relay causing it to open and cut off the pressure washer. also the pressure washer wont get power anyways.
be careful wiring it as drake mentioned.
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: drake89]
#25466953 - 09/17/18 11:33 AM (5 years, 4 months ago) |
|
|
Quote:
drake89 said: NC= NORMAL CLOSED NO= NORMAL OPEN
You're messing with electricity and water so please be careful! I know mushroom farmers who have been maimed from home made equipment.
You want a low level water switch. You have something like a well/pressure tank switch. Low level cut off is just one set point.
Thank you for the concern! everything is on GFCI outlets to help protect against accidents.
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: Chwyn]
#25467039 - 09/17/18 12:12 PM (5 years, 4 months ago) |
|
|
Quote:
Chwyn said: oh my bad didn't realize the switch was normally open.
Alright so your pressure switch is wired to the relay. The humidistat is connected to the normally closed side that is wired to power. The output part of the humidistat is connected to another relay. Your pressure washer hot is connected to the normally open side of that relay which is connected to the normally closed relay controlled by the pressure switch.
The humidistat will receive power while the pressure switch is open, and close the 2nd relay when humidity is low and cut on your pressure washer. When water pressure drops and the pressure sensor closes contacts and powers the relay your humidistat will shut off and cut power to the relay causing it to open and cut off the pressure washer. also the pressure washer wont get power anyways.
be careful wiring it as drake mentioned.

Thank Chwyn you have been moor help than I can say. You made me see so many more options. At first glance I didn't think that would work. But upon further inspection your way is better. Because when the pressure drops on the water it cuts out the controller letting me know immediately there is a problem. Otherwise I would assume I was getting humidity and the pressure washer would not be turning on. Thanks for your help I will wire it like your said. I got my other relay today so right on time.
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: SHROOMSISAY01]
#25471823 - 09/19/18 02:25 AM (5 years, 4 months ago) |
|
|
So I just got done hooking this up after thinking it over I went with my original drawing so I can monitor the humidity even if the water is out the diagram does work as intended and turns off the pressure washer if the water pressure drops below 40psi. I am going to end this by leaving 2 drawings one with the water pressure switch and one without it. just in case someone wants to run something off the WILLHI WH1436H digital humidity controller that uses more than 10 amps.
 WITH WATER PRESSURE SWITCH
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) *DELETED* [Re: SHROOMSISAY01]
#25473505 - 09/19/18 07:02 PM (5 years, 4 months ago) |
|
|
Post deleted by SHROOMSISAY01
Reason for deletion: wrong pic
Edited by SHROOMSISAY01 (09/19/18 09:19 PM)
|
SHROOMSISAY01
Mr. Shrooms



Registered: 01/22/17
Posts: 3,849
Loc: Virginia, USA
Last seen: 2 days, 12 hours
|
Re: KNOWLEDGE OF ELECTRICAL WIRING NEEDED (moved) [Re: SHROOMSISAY01]
#25473892 - 09/19/18 09:23 PM (5 years, 4 months ago) |
|
|
|
|