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Sounds to me as if Tracer has been given some unocc settings by mistake and no zone sensor is installed for reference. Also try a clear ram and reset on tracer, it could have erratica.

Providing its piped correctly there should be very little temp drop across a drier. Temp drop is direct relation to pressure drop which suggests a plugging drier. Plugged drier could be from several...

Ive seen this before, it was a very long time ago in S.F. I think a transformer with ungrounded neutral or something. A lot of guys were afraid to work there because you could see voltage at ground...

Wow, somebody paid for that install!!???

Without a conventional thermostat the voyager/precedent units automatically change-over based on zone temperature setpoints. If you are just using a thermistor only then you would be using default...

Hey Joe, Its Chris from Pacific Coast Trane, great to see you on the site!!!! Hey All HVAC guys...Joe is a great guy!! Its not often that you can pick the brain of a CAT IV vibe guy. There is only...

Just some curiosity, have you verfied the output voltage to your hot surface ignitor from the new ignition control? I've never had it happen but I've heard that improper voltage to them can wipe them...

When the intellepak goes to morning warm-up all the vav boxes should go open and the supply fan to 100% speed until it reaches its termination temperature, then it will go to standard occupancy. Is...

Check the K-42 relay in the vfd compartment for proper operation. Terminal 12 on vfd is 24Vdc out. see that you also have 24vdc at terminal 18 and 27 when you start the unit, these are the...

Rover, Hmmm, youre gonna need the comm 4 and/or the comm 5 card for your laptop and the cables $$$. Probably cheaper to have a Trane service technician come and commission your site. Never listen to...

After all is replaced, be sure to have it balanced!! No more than 3 Mils displacement at line frequency. And yea, if you can crush that shaft you are a bad MOFO.

Retrofitting is correct. EXV module must be replaced, both EXV's must be replaced. You could try calling around different Trane parts centers to see if anyone has the obsolete valve shelved....

Hi guys!...Wow a lot of professional members in response to this apprentices query. Some I'm fairly new to the post but not to hvac. For The_apprentice one very important thing Ive observed here is...

Great answers! I would also think in the 18-22 Hz range for minimum speed. Proper lubrication is the ticket, see the kdocsr05 answer below.

If Its ReliaTel then it can use a standard 5 wire stat. However if its on the Tracer network it would lose some functionality by doing that. You should maybe put your focus toward correctly repairing...

Do you have access to the Tracer front end? If you do then its easy to change setpoints. User Name = Tracer, Password = Summit. And further, whats terminated on 1 and 2? Sounds like there should be a...

Also in addition to Jayguy...I had a CGAF recently that shipped from the factory with the txv's nearly closed. Somewhere around 40-50 superheat and stacking refrigerant in the condensor. This could...

Do you have the spectra up to 6000hz, Peak hold @ 20000hz from the compressor? What is the amplitude of your 140hz vibration in in/sec velocity? 140hz is an odd number unless this compressor has...

ChrisHvacMan...Wow...that was really, really funny!!!!! I can't stop laughing...Wow! Sweet! Ok I'll shut-up now. Still LoL.

Here's a couple of things...If this is a DX system then evacuate to at least 500 microns then charge LIQUID to the liquid line. The reason I stress Liquid is 410A is a blend, pretty close to 50/50,...

Hello all, I'm new to the forum and hoping to provide some help and opinion to you all when I can. Equally if not more important is learning from you all. Looking forward to having fun here. Happy...

CW...Ok, Well I see your point...Heres Mine, Master oil solenoid vs. no solenoid. External oil filter vs. internal oil filter. differential pressure switch vs. oil thermistor. CHHB / CHHN. A screw is...

There is also an oil control valve within the compressor, It acts as a check valve when the compressor is off. The seperator is always at discharge pressure. The oil flows from the bottom of the...

If Its the Intellepak II, there are problems with water leaking through the door seals.

Never seen a dry oil seperator before! And there is no float valve in the seperator. If its not on the ground its in the chiller! As far as checking the level in the seperator, your hoses can get...