Clean It Up

UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: roundbuilder on September 26, 2013, 02:02:34 pm

Title: Merlin ro users
Post by: roundbuilder on September 26, 2013, 02:02:34 pm
Is 37 before di normal on a brand new unit or am i needing a booster pump to get it down more(i have 40 psi pressure at mains)??.I remember my last merlin was 37 before di as well. Does anyone use a merlin with a booster pump and can get it lower than 37 from 360ppm tap.
If its a booster pump i need which 1 is best??
Cheers.
Title: Re: Merlin ro users
Post by: 8weekly on September 26, 2013, 02:04:36 pm
That is about the best you will get. 90% removed.
Title: Re: Merlin ro users
Post by: roundbuilder on September 26, 2013, 02:16:40 pm
Thought as much.
Cheers,
Title: Re: Merlin ro users
Post by: EandM on September 26, 2013, 02:32:46 pm
We managed to get 300 incoming down to 11 product with an 80 psi pump - It's seems to be VOLUME of available water & pressure that allows this. My own set up with a Merlin had 128 incoming which I couldn't get any lower than 27 product with an 80 psi pump as, due to altitude, I couldn't extract the water from the pipe at full volume.
Title: Re: Merlin ro users
Post by: 8weekly on September 26, 2013, 03:11:20 pm
I have water at 240 which I get down to 25ish. Water pressur os around 70.
Title: Re: Merlin ro users
Post by: LBWCS on September 26, 2013, 05:57:54 pm
That's about normal. Mine trends to vary for some unknown reason. It's coming out at about 20ppm now but I'm happy with 35ppm
Title: Re: Merlin ro users
Post by: Frankybadboy on September 26, 2013, 08:07:44 pm
merlin work best at the highest pressure


me mate had my booster, tap 360 down to 10 @100psi

with out booster 40 ::)roll
Title: Re: Merlin ro users
Post by: 8weekly on September 26, 2013, 08:09:22 pm
merlin work best at the highest pressure


me mate had my booster, tap 360 down to 10 @100psi

with out booster 40 ::)roll
That's interesting. I might look into that when I move.
Title: Re: Merlin ro users
Post by: dotty on September 26, 2013, 09:47:12 pm
mick how long will resin last at 37
Title: Re: Merlin ro users
Post by: roundbuilder on September 26, 2013, 11:49:16 pm
Not long i doubt, if i get 2 months out of a sack ill be happy. Was using 300gpd before at 20ppm before di but had to have it on 24/7, now i just have it on 8 hours a day so even though its a higher ppm im hoping resin will last just as long. I only had myself to fill up with my last merlin so will have to see how it goes.