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Time Delay Relay

C

Chris W

Jan 1, 1970
0
A year or so ago someone on one of these groups told me how a time delay
relay was the perfect solution to my problem. Well it was the perfect
solution till the used relay I got, stopped working yesterday. Well I
found one one ebay that looks even better than the one I had but I'm not
sure it will work the way I have the old one set up. The new one is a
CNT-35-76 and you can view the data sheet here . . .
http://www.thewishzone.com/cdw/DigitalTimeDelayrelayCNT_DS.pdf

The old one has the same layout except for pins 5,6 & 7. 5 & 6 are not
used. To activate the Relay they want you to short pins 10 & 7
together. The new one has you short pins 5 & 6 together. It also says
I need to use a "dry circuit switch". BTW I am using it in delay on off
mode. The switch I am currently using is a DPDT (on) off (on) 15A
switch Switch it one way and a contractor activates to turn on an AC
motor and spin a hydraulic pump. Switch it the other way, the same
motor comes on, and it activates the time delay relay. Since the cable
going to the switch is a 3 wire cable, the motor and relay share a
common wire. Namely the neutral AC line. So in order to hook up the
new relay to the same switch setup it will in effect hook pin 5 to pin
10 on the new relay. Pin 10 will be the neutral AC line. I get the
feeling that it won't work right with this setup and I am going to have
to change something other than setting up my existing switch to pin 5 &
6 instead of 7 & 10.

I'm working on a wiring diagram to look at if this isn't enough
information. Thanks for the help.





--
Chris W

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give the gifts they want
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C

Chris W

Jan 1, 1970
0
Chris said:
A year or so ago someone on one of these groups told me how a time
delay relay was the perfect solution to my problem. Well it was the
perfect solution till the used relay I got, stopped working
yesterday. Well I found one one ebay that looks even better than the
one I had but I'm not sure it will work the way I have the old one set
up. The new one is a CNT-35-76 and you can view the data sheet here .
. .
http://www.thewishzone.com/cdw/DigitalTimeDelayrelayCNT_DS.pdf

The old one has the same layout except for pins 5,6 & 7. 5 & 6 are
not used. To activate the Relay they want you to short pins 10 & 7
together. The new one has you short pins 5 & 6 together. It also
says I need to use a "dry circuit switch". BTW I am using it in delay
on off mode. The switch I am currently using is a DPDT (on) off (on)
15A switch Switch it one way and a contractor activates to turn on an
AC motor and spin a hydraulic pump. Switch it the other way, the same
motor comes on, and it activates the time delay relay. Since the
cable going to the switch is a 3 wire cable, the motor and relay share
a common wire. Namely the neutral AC line. So in order to hook up
the new relay to the same switch setup it will in effect hook pin 5 to
pin 10 on the new relay. Pin 10 will be the neutral AC line. I get
the feeling that it won't work right with this setup and I am going to
have to change something other than setting up my existing switch to
pin 5 & 6 instead of 7 & 10.

I'm working on a wiring diagram to look at if this isn't enough
information. Thanks for the help.


I forgot....for those who are wondering what all this is for. The time
delay relay activates a solenoid valve, the time delay is to keep the
solenoid valve open till the motor stops spinning. Otherwise the
hydraulic cylinder will suddenly jerk back the other way when the switch
is released.

--
Chris W

Gift Giving Made Easy
Get the gifts you want &
give the gifts they want
http://thewishzone.com
 
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