help with pump connections!!!!

[lewis5]

Hi there i need to swap an old water circulation pump for a new one,trouble is the old one has 4 wires coming into it,white/yellow/blue and earth,the new pump only has provision for 3 wires live/neutral/earth,can i still swap it over?what are the yellow /white connections for?any help would be much appreciated
thanks
lewis

 

[pro]

Little more info please ,:

voltage maybe good start - you do have equipment to test voltage ?

you could always stick your --nah

 

[lewis5]

yes 240 volts is required for the new pump with 3 connections and that is what i have on the white and yellow lead of the 4 core flex obviously the blue is N and the green&yellow earth!

 

[pro]

AT WHICH 2 POINTS ARE YOU TESTING FOR VOLTAGE ?

 

[lewis5]

correction sorry its late,i havent yet tested the voltages at the end of the 4 core flex i shall tomm,do you know what i should have and ultimatly if i can use this 4 core to connect into the new pump,it is friends problem so i dont hve all the info/instructions here so thought id ask an expert if he could at least let me know if it is possible,do you know what the white and yellow are? and if i can do it,if you cant answer then ill get more info tomm ie voltages etc if you require
thanks

 

[pro]

where did the 4 wires connect into the old pump ?

 

[ChrisR]

More important than where they went in the old pump, What do they connect TO in the old system!

 

[pro]

what old system chris ?
think before you type

 

[muckylugs]

er pro the one he is connecting the new pump to!

 

[pro]

what old system ?

old pump not system ,------ think before you type !!!!!!

 

[muckylugs]

new pump to original ch system read the post first before you type

 

[pro]

mucky !!!!!!!!!!!!!!!!! are you trying to correct me ?

 

[muckylugs]

yes

 

[pro]

at what point did you view old system ,/ ? on the forum

 

[muckylugs]

Oh My God