Heating, Ventilation & Air Conditioning Systems: Evaporators
NOTE:
When replacing this component it is suggested to install or replace high and low side inline filters to prevent future component damage (see Code 5).
| Condition | Code | Procedure |
|---|---|---|
| Abrasion damage, affecting structural integrity | A | Require repair or replacement |
| Abrasion damage, not affecting structural integrity | No service suggested or required | |
| Air flow obstruction, affecting performance | A | Require repair or replacement |
| Attaching hardware broken | A | Require repair or replacement of hardware |
| Attaching hardware missing | C | Require replacement of hardware |
| Attaching hardware not functioning | A | Require repair or replacement of hardware |
| Bracket bent, affecting performance | A | Require repair or replacement |
| Bracket bent, not affecting performance | No service suggested or required | |
| Bracket broken, affecting performance | A | Require replacement |
| Bracket broken, not affecting performance | No service suggested or required | |
| Bracket corroded, affecting performance | A | Require repair or replacement |
| Bracket corroded, not affecting performance | 2 | Suggest repair or replacement |
| Bracket cracked, affecting performance | A | Require repair or replacement |
| Bracket cracked, not affecting performance | 1 | Suggest repair or replacement |
| Bracket holes elongated, affecting performance | A | Require repair or replacement |
| Bracket holes elongated, not affecting performance | No service suggested or required | |
| Bracket loose, affecting performance | A | Require repair or replacement |
| Bracket loose, not affecting performance | 1 | Suggest repair or replacement |
| Bracket missing | C | Require replacement |
| Corroded, affecting structural integrity | A | Require replacement |
| Corroded, not affecting structural integrity | No service suggested or required | |
| Evaporator foam seal leaking | A | Require replacement |
| Evaporator foam seal missing | C | Require replacement |
| Fitting type incorrect (such as compression fitting) | B | Require replacement |
| Flange leaking | A | Require repair or replacement |
| Leaking | B | Require repair or replacement |
| Microbial growth causing odor | 2 | Suggest microbial odor removal |
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NOTE:
If the evaporator case is contaminated with debris, it may be necessary to remove the debris before applying microbial odor treatment.
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| Restricted internally | A | Require repair or replacement |
| Threads damaged | A | Require repair or replacement |
| Threads stripped (threads missing) | A | Require replacement |