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Originally Posted by jpsmith1cm

I honestly doubt that most manifolds are TRULY rated for deep vacuum work, either.

Not trying to start that particular battle up with you, but since you pointed out the vacuum rating of the fittings...


I think that the Appion manifold might be, but the rest.... anyone's guess.

Imperial used to be back in the day...had some ASHRAE standard that they were certified against.

Hell, ASHRAE has a rating for how many btus are used up to pass wind. They have standards for everything.

Originally Posted by hvac5646

Thought of doing that but two things stop me: 1) the extra amount of joints and the fact that plumbing fitting aren't really rated for deep vacuum.

2) The plumg supply houses don't have the counter guys with enough back ground to know the fittings I need.


What would I need specifically to make that modification? Rather take a chance at HD and get them there.

I honestly doubt that most manifolds are TRULY rated for deep vacuum work, either.

Not trying to start that particular battle up with you, but since you pointed out the vacuum rating of the fittings...


I think that the Appion manifold might be, but the rest.... anyone's guess.

Originally Posted by jpsmith1cm

With a couple of 1/8" pipe thread adapters, the AK can be fit to any manifold.

When I bought my 1200, I had it on a Brute Manifold. It worked well, but I got fed up with the oversized, overweight manifold that doesn't hang straight because of the big, fat 3/8 hose sticking out the back.

Refit the adapters to a YJ 41 reversed so the hose parks are on the front and have been using that for both DC ever since.

Thought of doing that but two things stop me: 1) the extra amount of joints and the fact that plumbing fitting aren't really rated for deep vacuum.

2) The plumg supply houses don't have the counter guys with enough back ground to know the fittings I need.


What would I need specifically to make that modification? Rather take a chance at HD and get them there.

Originally Posted by knave

Anyone ever hook hoses to the ak direct with no manifold??

hvacmedic

I was shooting for no hoses like the Cooper MFM

Originally Posted by mark beiser

Then what do you do with the liquid refrigerant in the high side hose when it is time to disconnect?
How would you flush the oil out of your low side hose that sometimes shoots in when you connect to a system?

There is a very interesting instrument, that is capable of doing much of what many of us have wanted an instrument to be able to do for a very long time, but it has one critical deal killer of a design flaw, that the inventor refuses to acknowledge or rectify.(besides the name and the price )
It connects to the system with standard refrigerant hoses, but has no manifold.
The Stargate4000
http://www.stargateinternational.com/index.php

SG 1 was really an HVAC team????

Originally Posted by knave

Anyone ever hook hoses to the ak direct with no manifold??

Then what do you do with the liquid refrigerant in the high side hose when it is time to disconnect?
How would you flush the oil out of your low side hose that sometimes shoots in when you connect to a system?

There is a very interesting instrument, that is capable of doing much of what many of us have wanted an instrument to be able to do for a very long time, but it has one critical deal killer of a design flaw, that the inventor refuses to acknowledge or rectify.(besides the name and the price )
It connects to the system with standard refrigerant hoses, but has no manifold.
The Stargate4000
http://www.stargateinternational.com/index.php

Anyone ever hook hoses to the ak direct with no manifold??

Originally Posted by hvac5646

Cause i don't have one yet. If you mean my Brute II, those are my recovery gauges now.
I'm hearing titian and sherman manifolds. I worry that they are leakers. I'm gonna bust my brain choosing a manifold I trust.

I saw a sherman for $172. Good deal or keep looking?

Seems high to me.

Been thinking of going manifoldless for a while now since hose seals drive me crazy. Was going to cut up a AK and extend the sensor wiring so yes it seems high for something I really don't want to use anymore. I don't need a manifold for evac anymore and have been trying to break the manifold habit for service too. There are time I need a manifold for service but I don't need to carry it all the time anymore.

Originally Posted by jpsmith1cm

Core
removal
tool

A must have tool. Two sets would be the best.

I have Appions and C&Ds. Got five micron gauges in the last year....I think I went overboard there...JB, Nova, Bluvac and Testo.

One thing i never heard guys talk about is the broken core extractor and re threader, dude, that is a must have.

Originally Posted by jpsmith1cm

Core
removal
tool

oh dam, never thought of using it like that on a 2 valve manifold

Originally Posted by davidj001

pardon my ignorance, but whats a crt?

Core
removal
tool

Originally Posted by itsiceman

Then why don't you put it on that one

With a couple of 1/8" pipe thread adapters, the AK can be fit to any manifold.

When I bought my 1200, I had it on a Brute Manifold. It worked well, but I got fed up with the oversized, overweight manifold that doesn't hang straight because of the big, fat 3/8 hose sticking out the back.

Refit the adapters to a YJ 41 reversed so the hose parks are on the front and have been using that for both DC ever since.

Originally Posted by itsiceman

Then why don't you put it on that one

Cause i don't have one yet. If you mean my Brute II, those are my recovery gauges now.
I'm hearing titian and sherman manifolds. I worry that they are leakers. I'm gonna bust my brain choosing a manifold I trust.

I saw a sherman for $172. Good deal or keep looking?

Seems high to me.

Originally Posted by itsiceman

A 3/8" x 1/4" hose on the center port of a two way pulls practically as fast as a 4 way with 3/8 vac port. If you want to add an extra connection for a refer tank use a CRT on the center port of a Two way and can double as a vac blank off.

pardon my ignorance, but whats a crt?

Originally Posted by hvac5646

Great suggestion Ice. But I really like an evac manifold for service. Been using one since I was fourteen.

Then why don't you put it on that one

Originally Posted by ga-hvac-tech

Generally, I just get the lines buttoned up and let the pump run. If it runs too much... well it is not my electricity... <grin>

I use my trusty YJ 69075 micron gauge... been using it for 6+ years. Had to replace the sensor once... they do not like being hit with 100#+ pressure when you open the service valves (tired after a long day).

Good tools and good service practices... means good work and happy customers... which means referrals!!!

that it does.

Generally, I just get the lines buttoned up and let the pump run. If it runs too much... well it is not my electricity... <grin>

I use my trusty YJ 69075 micron gauge... been using it for 6+ years. Had to replace the sensor once... they do not like being hit with 100#+ pressure when you open the service valves (tired after a long day).

Good tools and good service practices... means good work and happy customers... which means referrals!!!

Originally Posted by ga-hvac-tech

I do mostly residential... and I agree a 4 valver is both easy to use and convenient. Generally I plan my installs and repairs to button up the lineset early and let the pump chug for at least an hour. Lots of time I have gotten down into the 200's... with a rise to well less than 500.

Believe it or not... the Titan 2 has worked well for 6+ years (I have a set of replacement valves for it... have replaced the high side-red hose-once)... I replace my hoses every spring... a few weeks ago.
When I use a CRT, I use Appions... they really do hold a vacuum better.

I'v been using the AVG 2 micron head with an ETW2 trans to monitor vacuum on either my SC 57 or HG 3 as I do the metal work and wiring in the basement.

I was always a fuss butt about the micron level and never leave the CU til it was done. Took a while to build up the confidence to stay away from the CU and watch the evacuation remotely.

I

Originally Posted by hvac5646

Great suggestion Ice. But I really like an evac manifold for service. Been using one since I was fourteen.

I do mostly residential... and I agree a 4 valver is both easy to use and convenient. Generally I plan my installs and repairs to button up the lineset early and let the pump chug for at least an hour. Lots of time I have gotten down into the 200's... with a rise to well less than 500.

Believe it or not... the Titan 2 has worked well for 6+ years (I have a set of replacement valves for it... have replaced the high side-red hose-once)... I replace my hoses every spring... a few weeks ago.
When I use a CRT, I use Appions... they really do hold a vacuum better.

Got the clamp temp probes. Don't think I am going for any mods to them.