50VR: Owner’s Information Manual
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Table 2 – Maintenance Checklist
Monthly maintenance items and outdoor unit rinsing may be performed by the consumer. All other maintenance items and all service work must be
performed by a qualified service technician. Read all Warning labels.
Description of Maintenance Recommended Interval
Consumer specific: Monthly Annual
Inspect, clean, or replace air filter if filter is located indoors in return air duct. X
Clear away debris and vegetation near unit. X
Dealer specific:
Inspect cabinet and basepan for damage. Replace panels, gaskets, and other components that are damaged or severely
rusted. Make sure precipitation has not entered indoor section of unit.
X
Inspect electrical disconnect for proper function. Repair or replace as necessary. X
Inspect electrical wiring and connections. Tighten loose connections. Inspect and perform functional test of equipment as
needed to ensure proper function. Repair or replace damaged or overheated components and wiring.
X
Inspect electric heater, if installed. Check for signs of overheating of elements, controls, and wiring. Make sure heater
elements are not broken or electically shorted.
X
Check refrigerant system subcooling and/or superheat (system dependent). X
Inspect inside of unit. Clean if debris is present. X
Inspect condenser coil. Clean if dust, dirt, or debris is present. Rinse unit with fresh water (see Note 2). X
Inspect condenser motor and fan for damage. Make sure fan spins freely. X
Inspect and clean blower assembly (includes blower housing, wheel, and motor). X
Inspect evaporator coil. Clean if dust, dirt, or debris is present (see Note 2). X
Clean condensate pan and drain lines (more frequent maintenance may be required in humid climates). X
Inspect airflow system (ductwork). Check for leaks and repair as needed. X
Notes:
1. The above list may not include all maintenance items. Inspection intervals may vary depending on climate and operating hours. Consult
your HVAC dealer about a service contract for seasonal inspections.
2. Do not use harsh chemicals or high pressure water on coils. More frequent rinsing is required for units near a sea coast.
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