Contents

CONTENTS
SAFETY CONSIDERATIONS
INTRODUCTION
INSTALLATION
- Step 1 Unpack and Inspect Unit
- Step 2 Protect Unit from Damage
- Step 3 Prepare Jobsite
- Step 4 Prepare Unit
- Step 5 Position Unit
- Step 6 Make Piping Connections (See Table 1 and Fig. 3-8)
  - DRAIN
  - WATER SUPPLY/RETURN CONNECTIONS
  - HYDROSTATIC TEST
  - INSULATION
- Step 7 Make Electrical Connections
  - Service switches:
- Step 8 Make Duct Connections
- Step 9 Install Mixing Box
- Step 10 Make Final Preparations
START-UP
- Air System Balancing
SERVICE
- Clean Coils
- Check Drain
- Fan and Motor Bearings
- Align Pulley
- Adjust Fan Belt Tension
- Clean Fan Wheel
- Clean or Replace Air Filters
  - THROWAWAY OR PLEATED FILTER
- Recommended Maintenance
TROUBLESHOOTING
- Excessive Condensation on Fan Coil Unit Parts
- Motor Overload
INITIAL START-UP CHECKLIST

Carrier Airstream 42BHE Installation Instructions

Pages 20

Year 2018

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Carrier Airstream 42BHE Specification

The Carrier Airstream 42BHE is a high-performance air conditioning unit designed to deliver efficient cooling solutions for residential and commercial spaces. It features a robust 42,000 BTU/h cooling capacity, making it suitable for large areas requiring consistent temperature control. The unit operates on a high-efficiency scroll compressor, which ensures optimal energy use and reliable performance, while its R-410A refrigerant minimizes environmental impact.

The Airstream 42BHE is equipped with advanced microprocessor controls that allow for precise temperature settings and system diagnostics, enhancing user convenience and system reliability. Its aerodynamic design reduces operational noise, making it a quiet addition to any environment. The unit incorporates a durable, corrosion-resistant exterior, ensuring longevity even in harsh weather conditions. It also includes a washable air filter, promoting better indoor air quality and reducing maintenance costs.

With its compatibility with smart thermostats, the Carrier Airstream 42BHE offers flexible scheduling and remote access via a mobile app, providing users with the ability to manage their cooling needs efficiently. The unit is designed for easy installation and serviceability, with accessible components that simplify routine maintenance and repairs. Safety features include high and low-pressure switches and a thermal overload protector, ensuring safe and reliable operation.

Overall, the Carrier Airstream 42BHE combines advanced technology with environmentally conscious design, making it a versatile and reliable choice for those seeking effective cooling solutions.

Carrier Airstream 42BHE F.A.Q.

How do I properly install the Carrier Airstream 42BHE?

To install the Carrier Airstream 42BHE, follow the installation guide provided with the unit. Ensure that you have the necessary tools and that the installation area is prepared according to the manual. Secure the unit properly and connect the necessary ductwork and electrical supply as instructed.

What is the recommended maintenance schedule for the Carrier Airstream 42BHE?

The recommended maintenance schedule for the Carrier Airstream 42BHE includes monthly filter checks and cleaning, quarterly inspection of ducts and vents, and annual professional servicing to ensure optimal performance.

How can I troubleshoot if the Carrier Airstream 42BHE is not cooling efficiently?

If the unit is not cooling efficiently, check the air filters and clean or replace them if necessary. Ensure that the thermostat is set correctly and that there are no obstructions in the ductwork. If the issue persists, consider contacting a professional technician.

What should I do if the Carrier Airstream 42BHE makes unusual noises?

Unusual noises may indicate loose parts or debris in the system. Turn off the unit and inspect for any visible issues. Tighten any loose components and clean the unit. If the problem continues, seek assistance from a qualified technician.

Can the Carrier Airstream 42BHE be used in both residential and commercial settings?

Yes, the Carrier Airstream 42BHE is designed for both residential and commercial HVAC applications. Ensure that the installation and usage comply with the specific requirements for each setting.

How do I change the air filter on the Carrier Airstream 42BHE?

To change the air filter, turn off the unit and open the filter access panel. Remove the old filter and replace it with a new one of the same size and type. Ensure it is securely in place before closing the panel and restarting the unit.

What are the power requirements for the Carrier Airstream 42BHE?

The Carrier Airstream 42BHE requires a dedicated electrical circuit with the voltage and amperage specified in the user manual. It is important to consult the manual or a professional electrician to ensure proper electrical setup.

How can I improve the energy efficiency of my Carrier Airstream 42BHE?

To improve energy efficiency, regularly clean or replace the air filters, ensure proper insulation of ducts, and use a programmable thermostat to optimize temperature settings. Additionally, schedule regular maintenance checks.

What should I do if the Carrier Airstream 42BHE displays an error code?

Refer to the user manual for the specific error code to identify the issue. Follow the troubleshooting steps provided. If the error persists, contact Carrier customer support or a certified technician for assistance.

How do I perform a system reset on the Carrier Airstream 42BHE?

To perform a system reset, turn off the unit and disconnect it from power for a few minutes. Reconnect the power and turn the unit back on. This can help resolve minor issues and restore default settings.