Allied Lennox 4AC16LT Series Руководство по установке - Страница 18

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Maintenance

WARNING
Before performing maintenance operations on system,
turn the electric power to unit OFF at disconnect
switch(es). Unit may have multiple power supplies.
Electrical shock could cause personal injury or death.
Maintenance and service must be performed by a qualified
installer or service agency.
At the beginning of each cooling season, the system
should be checked as follows:
1.
Clean and inspect condenser coil. Coil may be flushed
with a water hose. Be sure the power is off before
using water to clean the coil.
2.
Outdoor fan motor is pre-lubricated and sealed. No
further lubrication is needed.
3.
Visually inspect connecting lines and coils for evidence
of oil leaks.
4.
Check wiring for loose connections.
5.
Check for correct voltage at unit (with unit operating).
6.
Check amp-draw outdoor fan motor.
Unit nameplate ____________ Actual ____________
NOTE: If owner complains of insufficient cooling, the unit
should be gauged and refrigerant charge checked. Refer
to the Refrigerant Charging section.
Page 18 of 20
Indoor Coil
1. Clean coil, if necessary.
2.
Check connecting lines and coils for evidence of oil
leaks.
3.
Check condensate pan line and clean, if necessary.
Indoor Unit
1. Clean or change filters.
2.
Adjust blower speed for cooling. Measure the
pressure drop over the coil to determine the correct
blower CFM.
3.
Belt drive blowers: Check belt for wear and proper
tension.
4.
Check all wiring for loose connections.
5.
Check for correct voltage at unit (with unit operating).
6.
Check amp-draw on blower motor.
Unit nameplate_____________ Actual _________
Issue 1827
506467-01