Just asking ,......what is the reason for the schrader access on the liquid and vapor line? The Job looks very professional , I see you take pride in your work. Now the true test will be reliability over the life of the unit. One ding already with replacement of the coil.
Two questions:
1) why is an in duct smoke detector necessary? I believe the uniform mechanical code only calls for in duct smoke detectors in systems where cfm rating is greater than 2000.
2) where is the condenser? Roof? At ground level outside? I ask because if it is on the roof you would need to install a suction trap to enable compressor oil to be "pumped" back to the compressor.
This is a very professional install which exhibits great attention to detail. I would be thrilled to see my guys turn out work this nice.
Is your overflow drain that's routed to the drain pan trapped? If not it should be. May just be the angle of picture.
Very nice ductwork! It appears thought was put into this design to avoid "System Effect".
15 degree or less evase on the first fitting and enough length for 100% static regain... CHECK!
Turning vanes in the supply elbow (that inconveniently turns the wrong way) recaptures lost blower performance... CHECK!
It is terribly hard to understand what air does because we cannot see it. This installation shows that you understand it well.
Good Job!
Without a way to keep the trap filled with water it's not an effective trap anyway. As the overflow drain, it will never have water in it unless there's a problem with the primary.
I've heard of inspectors wanting to see traps in all drains and it can be easier to install a trap than it is to change their mind.
Oil return is assured by correct vapor line sizing. The diameter is sized for enough velocity to carry the oil with the refrigerant.
Condensers on the roof 10' above. No trap in secondary, I just can't stand seeing units overflowed when they back up. Service ports are for diagnostics and convenience.
Supply plenum is code here.
If you really know how it works, you have an execellent chance of fixin' er up!
Tomorrow is promised to no one...
JT, please enlighten me on the humor. I sometimes don't get it the first go round.
I feel i'm out of the loop here <confused>
No, I was taking Rayr's word for it...
Wishful thinking get's me in trouble sometimes... I'm so gullible ;\
Seems like most manufacturers are starting to switch to those Sanhua Filter Driers. I wonder are they manufactured to the same quality as Sporlan or Emerson?
You're probably right.
It's already difficult to teach "System Effect" to designers and installers. Code officials may never comprehend it.
The nicest thing about those driers is that you have room to "cut" them out without needing more line length to attach the new drier.
Torching out a drier releases it's trapped moisture back into the system. Carrier feels this should be avoided since POE oil is so hygroscopic.