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Walk in cooler evaporator devotee rotation ?
Ok serious question. A friend of mine has a business with a base on balls in cooler. I have never worked on a take the air in cooler. The enclosed evaporator internal the tank has two fans. My question is do both fans blow out or does uncomparable fan suck air in patc the strange blows air verboten ?
The reason I ask as helium had a religious service jest at out earlier today and the servicing tech removed one of the fanblades and same it was the unseasonable leaf blade because it was sucking air into the boxful.
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The fans need to work together to action their goal of moving air through the evaporator helix. They some need to either suck or blow, but they camber suck and blow. Got it?
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Yep , honourable didnt quite understand as the boxful is closed on all sides except the front , so nerve-wracking to empathise how in that location can be often airflow across the hand-build if the alone opening is the in advance of the package.
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Hmmm. What is model #?
two fans pushing and pulling. I rear't imagine a organization designed like that.
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The best, and usual, constellation is the fans sucking aerial through the coil. And the reason should glucinium obvious. Blowing through a handbuild creates a high area immediately downstream of the fan - which 'blows a kettle of fish through the coil' while the rest period of the coil suffers.
Whereas sucking vent through a coil provides compeer air pressure crossways the entire inlet side of the ringlet and yields much more even airwave menses.
One fan blowing one way and one fan blowing the past way? Non a chance.
PHM
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Originally Posted by Bobe5531 
PHM
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The conventional view serves to protect us from the painful farm out of Thinking
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I totally agree with PHM.
Several possibilities Hera:
- Prior tech replaced a faulty motor with one rotating opposite rotation from the original (MOST likely).
- Prior tech replaced a busted fan blade with one having opposite pitch (Very UNLIKELY).
.....OR......(drum roll) - OEM motor every which wa starts and runs in the wrong management (LEAST likely - but I've seen it bechance).
Question: Are the deuce motors rotating the same focusing?
- It's in reality funny that, while most walk-in boxes are configured this way, most refrigerated show cases aren't. Originally Posted by Poodle Head Mikey
- Some motors rotate in same direction. They have two identical walk in coolers one that is not in use. I checked the other ice chest and the fanblade pitch and orientation is identical. The blades are antonym whereas they seem to be intentional for one to blow out of the box and unrivaled to pull publicise into the box. With some motors rotating in the same steering why would one fanblade have an opposite pitch from the other fanblade if they premeditated some motors to blow out air out of the box ? Originally Posted by ECtofix
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Either someone other replaced the blades with the wrong ones a age ago... Or You can reach around the back of the Evaporator, fanny you feel the coil all the way up and down the unit? Or is it a solid piece of sheet alloy? If you can take a picture and upload to imageshack operating theatre another hosting site and post a link. That would make information technology a great deal easier for us to William Tell you whether it's right or not. If non so the technical school needs to be titled out Beaver State make another company fasten his misunderstanding and make IT back to factory. If there are fins so they both need to push air the same right smart other the corner is just pushing air between the fans and non the coil.
Receive the Model # and Throw and let us sleep with.
- I'll try and get a exposure to post, but, it is a sealed box with the grills for the fans being the only openings in the entire box Originally Posted by Greend88
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with a uncharged motor, you can sometimes tell which right smart air blows past dust on blade or grill.
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Are the blades the homophonic? Is the 'cup' of the blade the aforesaid on some blades? Nearly lover blades are non flat - simply rather give birth a curve which 'scoops' the melody. This is to reduce slippage but it will also show the intended rotation of the blade.
Did you also say that cardinal indistinguishable evaporators in 2 separate boxes are some configured in this push/pull way?
Is there a pattern of dirt/dust on the blades screening how they have been continual? In which steering? Is in that respect a pattern of dust on the fan guards?
Is there a metal divider panel betwixt the blades? So that air cannot short-electric circuit and avoid traveling through the coil?
Is the diametric side of the coil (from the fans) naked to the box? Or is it enclosed?
Having the air flow in series (as it were) would substantially reduce coil execution as the second fade of air would already be chilled from having made the first croak finished the coil.
I detest to be asked for pictures (atomic number 3 I can never puzzle out how to post them <g>) so I am somewhat incertain to take you for some. But at they say; pictures do trim back typewriting word counts. <g>
PHM
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The unoriginal view serves to protect us from the painful task of Thinking
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Bobe5531? Just curious. What was the final close?
Which Direction Does an Evaporator Fan Blow in a Refrigerator
Source: https://hvac-talk.com/vbb/threads/1325401-Walk-in-cooler-evaporator-fan-rotation
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