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#1
Old 04-05-2018, 02:52 AM
Abbazabba710 Abbazabba710 is offline
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Air in system
Hi all! Searched a bunch but have not found the exact issue I’m having.

I operate a CL in an i502 legal facility and we are having an issue with our cmep-ol I think.

When we pull initial vac on the whole system with our Welch 1400 everything reads fine at -30 but the vacuum is not being pulled from the “out” port on the Cmep-ol to the recovery tank

This is leaving built up air in the non vacuumed Lines and condenser coil and pushing it into the recovery tank causing the tank to get filled with pressurized air.

1. Is this normal? I should be able to pull vacuum through the coil and everything right?

2. Can I place a T fitting with ball valve at the recovery tank to just vacuum the remaining air out?

Equiptment:
Mk4
Cmep-ol gen3
50ft condenser coil
3/8 braided steel hosing
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#2
Old 04-05-2018, 12:37 PM
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Gray Wolf Gray Wolf is offline
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Quote:
Originally Posted by Abbazabba710 View Post
Hi all! Searched a bunch but have not found the exact issue I’m having.

I operate a CL in an i502 legal facility and we are having an issue with our cmep-ol I think.

When we pull initial vac on the whole system with our Welch 1400 everything reads fine at -30 but the vacuum is not being pulled from the “out” port on the Cmep-ol to the recovery tank

This is leaving built up air in the non vacuumed Lines and condenser coil and pushing it into the recovery tank causing the tank to get filled with pressurized air.

1. Is this normal? I should be able to pull vacuum through the coil and everything right?

2. Can I place a T fitting with ball valve at the recovery tank to just vacuum the remaining air out?

Equiptment:
Mk4
Cmep-ol gen3
50ft condenser coil
3/8 braided steel hosing
We evacuated that line separately. It also has to be recovered separately when you are shutting down the system and opening it up.
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#3
Old 04-05-2018, 03:56 PM
Abbazabba710 Abbazabba710 is offline
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Quote:
Originally Posted by Gray Wolf View Post
We evacuated that line separately. It also has to be recovered separately when you are shutting down the system and opening it up.

Thank you!!!!!! That was exactly what I was looking for as usual,GW is the man and has kept me from potentially blowing myself up
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