5.3302.1 Through-Wall and Room Air Conditioning Unit Replacement

Topic: 
Non-Distribution Cooling Systems
Subtopic: 
Room Air Conditioners
Desired Outcome: 
Energy used for air conditioning reduced
For supporting material, see Referenced Standards.
TitleSpecification(s)Objective(s)
5.3302.1a
Assessment

Physical size of through-wall opening will be determined

Unit and electrical receptacle will meet requirements of NFPA NFPA National Fire Protection Association, www.nfpa.org 70 Article 440

Work order will be evaluated against site circumstances

Determine and ensure appropriate device and location
5.3302.1b
Selection

Unit will match available voltage and not exceed current available voltage at the existing electrical outlet

Replacement unit will provide same or better functionality than existing unit, but smaller duty unit will be provided if existing is oversized

Replacement unit will be ENERGY STAR® qualified with Energy Saver Mode or better

Units with R22 refrigerant will not be used

Ensure proper device function

Avoid adding additional load

Reduce energy use

Protect the environment
5.3302.1c
Installation

Extension cord will not be used ( NFPA NFPA National Fire Protection Association, www.nfpa.org 70 Article 440)

Where applicable unit controls and thermostat shall comply with the operable parts provisions of ICC ICC International Code Council A117.1 when the dwelling unit is required to be accessible per ADA ADA Americans with Disabilities Act

Unit will be self-supporting or permanently installed

Perimeter of unit will be sealed with a durable material ( ASTM ASTM ASTM International, www.astm.org C1193)

Egress will be addressed to be in accordance with ANSI ANSI American National Standards Institute, www.ansi.org / NFPA NFPA National Fire Protection Association, www.nfpa.org 101 and local laws

Ensure integrity of building envelope Envelope The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier

Ensure occupant comfort

Ensure occupant safety

Ensure continued savings
5.3302.1d
Decommissioning

Units replaced will be recycled or disposed of in accordance with local ordinances

Refrigerant will be handled in accordance with Section 608 of Clean Air Act of 1990 and local ordinances

Prevent reuse of inefficient equipment and components

Protect the environment
5.3302.1e
Staff education

Building operations staff will be educated on strategies for winterizing cooling-only equipment

Window units will be removed and stored during long periods of cold and snow

When unit is not in use, it will be closed and covered in accordance with Envelope Envelope The separation between the interior and exterior environments of a building that includes a combination of air and thermal barrier Wall Penetration Standard Work Specification (SWS, section 3.1102.1

Building operations staff will be provided with warranty information, operation manuals, and installer contact information

Prevent energy loss

Educate building operations staff about operation and maintenance of equipment

Ensure continued savings
5.3302.1f
Occupant education

Occupants will be provided with a manual and educated of new unit benefits

Education will be provided by building operations staff

Educate occupants about new controls and benefits

Ensure continued savings