ICP NXA642GKA100 split-system air conditioner Parts

For your Icp split-system air conditioner model NXA642GKA100, the reliable way to tell whether it uses R-410A or R-22 is to read the refrigerant type printed on the outdoor unit’s data plate (nameplate) and confirm it against the refrigerant information in the NXA642GKA100 owner's manual.

Fast ways to identify the refrigerant

• Check the outdoor unit nameplate: look for “R-410A” or “R-22” (sometimes shown as HCFC-22).
• Look for service labels inside the electrical/control panel area (some units list refrigerant and factory charge there).
• Match model and serial information: keep the outdoor unit model and serial handy when comparing to documentation.
• Do not rely on cap color or hose fittings alone: service setups vary by technician and do not prove refrigerant type.
• Use the manual as your cross-check: it helps confirm what the unit was designed to use.

What changes between R-410A and R-22 (why you should care)

Using the correct refrigerant matters because the system pressures, service procedures, and some components differ.

Item	R-22 systems	R-410A systems
Operating pressure	Lower	Higher
Retrofit/“top-off” approach	Sometimes attempted (not recommended)	Must use correct refrigerant only
Service risk if misidentified	Compressor damage, poor cooling	Compressor damage, safety risk

If the nameplate is missing or unreadable

Use these practical checks before any service work:

• Compare the outdoor unit model number to the equipment documentation in the NXA642GKA100 owner's manual.
• Inspect for a refrigerant label on the cabinet or inside the service panel.
• Have a qualified HVAC technician confirm refrigerant type before connecting gauges or adding refrigerant.

Why it matters

Refrigerant identification is not just a label detail; it directly affects safe service pressures and whether the system can be charged and repaired correctly. Confirming the refrigerant first helps prevent misdiagnosis and protects the compressor.

Last updated: February 2026

Replacing (recharging) R-410A in an AC system typically costs about $50 to $80 per pound for refrigerant, plus labor, diagnostics, and any leak repair. For an Icp split-system air conditioner like NXA642GKA100, the total price varies most based on whether the system is low due to a leak.

What usually makes the price go up or down

• Leak present vs. no leak: If refrigerant is low, a leak check and repair is normally part of the job.
• How much refrigerant is needed: A small top-off costs less than a near-empty system.
• Access and time on site: Long line sets, tight service access, or multiple visits add labor.
• Electrical issues that mimic low charge: A failed contactor or fan can look like a cooling problem.
• Coil condition and airflow: Dirty outdoor coils or a clogged filter can reduce cooling even with correct charge.

Before paying for refrigerant, check these basics

Our NXA642GKA100 manual recommends a few quick checks that often solve “not cooling” complaints without refrigerant work:

• Confirm the thermostat is set to COOL and below room temperature
• Inspect and replace or clean the return air filter (dirty filters are a common cause of poor cooling)
• Check breakers/fuses
• Clear debris from the outdoor unit coils and fins and make sure nothing blocks the fan

For the full maintenance and “what to do if your system does not work” steps, use the owner's manual.

Common service scenarios and what you’re paying for

Scenario	What the technician typically does	Cost driver
System not cooling, charge unknown	Diagnostics, airflow checks, electrical checks	Labor time
Low refrigerant suspected	Leak search, repair plan, then recharge	Leak location/repair
Outdoor unit not running	Tests contactor, capacitor, fan motor circuit	Parts + labor

If the outdoor unit will not start, a failed central air conditioner contactor 1172472 is one common electrical cause.

Why it matters

R-410A does not get “used up.” If your NXA642GKA100 needs refrigerant, fixing the underlying cause (often a leak or airflow problem) protects the compressor and helps restore efficiency.

Last updated: February 2026

Most central air conditioning units last 15 to 20 years. For your Icp split-system air conditioner model NXA642GKA100, regular maintenance (especially keeping airflow and outdoor coils clean) helps the compressor and fan system reach that typical lifespan; see the maintenance schedule in the owner's manual.

Typical lifespan ranges (what to expect)

Lifespan depends most on maintenance, installation quality, and run time.

Unit type	Typical lifespan	What shortens life fastest
Central split-system air conditioner (like NXA642GKA100)	15 to 20 years	Dirty filters, clogged outdoor coils, electrical issues
Older or poorly maintained central AC	10 to 12 years	Restricted airflow, overheating, repeated hard starts

Maintenance that most directly protects lifespan

The manual calls out several homeowner checks that prevent efficiency loss and compressor damage.

• Inspect the return air filter monthly; replace or clean it as needed.
• Keep the outdoor coil and fins clear of grass clippings, leaves, lint, and dirt.
• Make sure the outdoor fan blade area is unobstructed (no branches or debris).
• Check breakers and fuses if the system will not run.
• Turn OFF power to indoor and outdoor units before any maintenance.

Why it matters

A central AC usually fails early from heat and strain caused by restricted airflow or dirty outdoor coils. Keeping filters and coils clean helps the system cool properly, reduces compressor stress, and supports a full 15 to 20 year service life.

Last updated: February 2026

On most central AC systems (including the Icp NXA642GKA100), the most common electrical failure is the run capacitor, but the most commonly replaced control part is often the contactor. Dirty filters and blocked outdoor coils also cause frequent “no cool” complaints and can lead to compressor damage; follow the maintenance steps in the owner's manual.

What typically fails most often (and what you’ll notice)

• Run capacitor: outdoor unit hums, fan will not start, intermittent starting
• Contactor: outdoor unit will not run even when thermostat calls for cooling
• Condenser fan issues: poor airflow, overheating, unit shuts off on safety
• Airflow restrictions (dirty filter, blocked coil): weak cooling, icing, high energy use
• Electrical supply problems (breaker/fuse): unit dead, no outdoor operation

Model-specific parts to check first on NXA642GKA100

If your outdoor unit is not starting or is short-cycling, these parts on this model are common starting points:

Symptom	What to check	Example part for this model
Outdoor unit will not pull in	Control switching	Central air conditioner contactor 1172472
Fan blade not moving, poor airflow	Fan assembly	Fan 1173661
Rattling or damaged top protection	Guarding and safety	Fan guard 1178604

Quick checks we recommend before replacing parts

Turn OFF power to both the indoor and outdoor units before opening panels.

• Confirm thermostat is set to COOL and setpoint is below room temperature
• Check the return air filter; replace or clean it (dirty filters are a leading cause of poor cooling and compressor problems)
• Reset any tripped breakers or replace blown fuses
• Clear debris from the outdoor coil and fan area (leaves, grass clippings, lint)
• Look for obvious burnt wiring or loose connections (repair only if qualified)

Why it matters

A failed capacitor or contactor can stop cooling immediately, but airflow and coil maintenance often prevents repeat failures. The manual’s maintenance steps (filter, drain, outdoor coil cleaning) help protect the compressor, which is the most expensive component.

Last updated: February 2026