Maintenance
WARNING
Hazardous Pressures!
Coils contain refrigerant under pressure. When cleaning coils, maintain coil cleaning solution temperature under 150°F to avoid excessive pressure in the coil. Failure to follow these safety precautions could result in coil bursting, which could result in death or serious injury.
Do not heat the
5.5. Pour the cleaning solution into the sprayer. If a
a.do not allow sprayer pressure to exceed 600 psi.
b.the minimum nozzle spray angle is 15 degrees.
c.maintain a minimum clearance of 6" between the sprayer nozzle and the coil.
d.spray the solution perpendicular (at 90 degrees) to the coil face.
6.Spray the
7.Rinse both sides of the coil with cool, clean water.
8.Inspect both sides of the coil; if it still appears to be dirty, repeat Steps 6 and 7.
9.Reinstall all of the components and panels removed in Step 1 and any protective covers installed in step 2.
10.Restore the unit to it’s operational status and check system operation.
Final Process
For future reference, you may find it helpful to record the unit data requested below in the blanks provided.
(1)Complete Unit Model Number:
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(2)Unit Serial Number:
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(3)Wiring Diagram Numbers (from unit control panel):
—schematic(s)
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