Contents

A Note about Safety
Thermostat
- Cooling Mode
- Temperature Control
- Fan Control
What To Do If Your System Does Not Work
- Before Requesting a Service Call:
  - 1. Check thermostat settings. Make sure to select a temperature below the actual room temperature. Make sure the system selector switch is in the COOL position.
  - 2. Inspect your return air filter. Replace a dirty filter or clean a reusable type filter.
  - 3. Check circuit breakers and/or fuses. Reset breakers or replace fuses as necessary.
  - 4. Inspect the coils and fins on the outdoor unit. Clean away any obstructions (grass clippings, leaves, dirt, dust, or lint). Check that branches, twigs, or other debris are not obstructing the fan blade.
  - If your system still does not operate, contact your servicing dealer.
Regular Maintenance Requirements
- Operation under Extreme Conditions
  - Do Not Operate Below 55F (13C)
  - Do Not Block Floor, Wall or Ceiling Vents
- Sea Coast Coil Maintenance
- Air Filter
- Condensate Drain
- Outdoor Unit Coils
- Painted Surfaces
Table 1 Maintenance Checklist
- 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.

Tempstar N4A3 Owner's Manual

Tempstar N4A3 Air Conditioner manual cover

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Tempstar N4A3 Air Conditioner Specification

The Tempstar N4A3 Air Conditioner is a reliable and efficient cooling system designed for residential use. It features a single-stage compressor that delivers consistent performance, ensuring optimal comfort in various weather conditions. This model has a cooling capacity range starting at 1.5 tons, suitable for small to medium-sized homes, and goes up to 5 tons for larger spaces. It is engineered with a durable galvanized steel cabinet, enhancing longevity and protecting internal components from environmental damage. The unit operates with an energy efficiency rating of up to 13 SEER, which helps reduce energy consumption and utility costs while maintaining effective cooling.

The N4A3 incorporates a quiet operation design, utilizing a high-performance fan system that minimizes noise levels, making it suitable for residential areas where noise might be a concern. Its compact footprint allows for flexible installation options, accommodating various space constraints without compromising on performance. This air conditioner is compatible with R-410A refrigerant, which is environmentally friendly and helps improve the system’s overall efficiency and cooling capacity.

Maintenance is simplified with the inclusion of easily accessible service ports and a removable filter drier, ensuring that routine service tasks can be conducted with minimal effort. The Tempstar N4A3 is also equipped with high and low-pressure switches, providing additional protection to the compressor and extending the life of the unit. This model is backed by a comprehensive warranty, underscoring Tempstar's commitment to quality and customer satisfaction. Overall, the Tempstar N4A3 Air Conditioner offers a balanced combination of efficiency, durability, and performance, making it a solid choice for homeowners seeking a dependable cooling solution.

Tempstar N4A3 Air Conditioner F.A.Q.

How do I reset the Tempstar N4A3 air conditioner after a power outage?

To reset the Tempstar N4A3 air conditioner, first turn off the thermostat and then the circuit breaker. Wait for about 5 minutes before turning the circuit breaker back on and then the thermostat. This should reset your unit.

What should I do if my Tempstar N4A3 air conditioner is not cooling properly?

Check if the air filter is clean and ensure that the thermostat is set to the correct temperature. Also, verify that the outdoor unit is not obstructed and the refrigerant levels are adequate.

How often should I clean the air filter on my Tempstar N4A3 air conditioner?

It is recommended to clean or replace the air filter every 1-3 months depending on usage and environmental conditions to maintain optimal performance.

Why is my Tempstar N4A3 air conditioner making unusual noises?

Unusual noises could be due to loose components, debris in the fan, or issues with the compressor. Inspect and tighten loose parts or consult a professional technician if the problem persists.

What maintenance should be regularly performed on the Tempstar N4A3 air conditioner?

Regular maintenance includes cleaning or replacing the air filter, inspecting the coils, checking refrigerant levels, and ensuring the drainage system is clear.

How can I improve the energy efficiency of my Tempstar N4A3 air conditioner?

Improving energy efficiency involves regular maintenance like cleaning filters, ensuring proper insulation, using a programmable thermostat, and sealing any leaks in ducts.

What does it mean if my Tempstar N4A3 air conditioner is short cycling?

Short cycling, where the unit frequently turns on and off, could indicate issues like an oversized unit, thermostat problems, or low refrigerant. Check these areas and consult a technician if necessary.

How do I handle water leakage from my Tempstar N4A3 air conditioner?

Water leakage can be due to a blocked drainage pipe or a frozen coil. Ensure the drainage system is clear and that the unit is not over-cooling, which can lead to freezing.

What causes the Tempstar N4A3 air conditioner's compressor to overheat?

Compressor overheating can be caused by dirty coils, low refrigerant levels, or electrical issues. Regular maintenance and inspections can help prevent this problem.

How can I determine if my Tempstar N4A3 air conditioner needs a refrigerant recharge?

Signs that your air conditioner needs a refrigerant recharge include reduced cooling output, longer cooling cycles, and ice buildup on the refrigerant lines. Contact a professional technician for an accurate assessment and recharge.