Carrier Infinity 25VNA Owner's Manual page 3

25VNA: Owner's Manual
Outdoor unit specific:
Clear away debris and vegetation near unit.
Inspect cabinet for damage. Replace components that are damaged or severely rusted.
Inspect electrical disconnect for proper function. Repair or replace as necessary.
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.
Check refrigerant system subcooling and/or superheat (system dependent).
Inspect inside of unit. Clean if debris is present.
Inspect condenser coil. Clean if dust, dirt, or debris is present. Rinse unit with fresh water (see Note 2).
Inspect motor and fan for damage. Make sure fan spins freely.
Indoor specific: (for fossil fuel furnaces and accessories, refer to unit specific literature)
Inspect, clean, or replace air filter if dirty.
Inspect and clean blower assembly (includes blower housing, wheel, and motor).
Inspect internal and external of cabinet. Clean as needed.
Inspect electrical disconnect for proper function. Repair or replace as necessary.
Inspect electrical components, wiring, and connections. Tighten loose connections. Repair or replace damaged components and wiring.
Inspect evaporator coil. Clean if dust, dirt, or debris is present (see Note 2).
Clean condensate pan, trap, and drain lines (more frequent maintenance may be required in humid climates - consult your local HVAC dealer).
Inspect airflow system (ductwork). Check for leaks and repair as needed.
* 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 waring labels.
Notes:
1. The above list may not include all maintenance items. Inspection intervals may vary depending on climate and operating hours. Consult your Carrier 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.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Maintenance Checklist
3
Recommended
Interval*
Monthly Annual
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