5.3002.16a
Equipment will be installed in a dry location within the conditioned space when feasible
Equipment will be properly isolated from pollutant sources
Equipment will be installed in a manner to provide ease of access for routine maintenance/service
All work will be done by a licensed professional or qualified person
Prevent rust and corrosion
Protect the equipment from bulk water and moisture
Prevent exposure to air pollutants
5.3002.16b
Equipment will be installed with proper clearances in accordance with local codes and manufacturer specifications
Alternative locations will be considered for equipment when existing locations are not suitable
Ensure the equipment has proper clearances for fire risk and accessibility
Ensure the equipment operates as designed
5.3002.16c
Equipment will be installed so connections allow proper operation of the equipment and accessibility (e.g., electrical service, condensate drains, ductwork, fuel, venting, refrigerant lines)
Equipment will be installed so that the drain pan operates properly
Ensure connections do not interfere with operation and service of the equipment
5.3002.16d
Equipment will be supported with a nonwicking, fireproof platform or suspended with a threaded rod in accordance with local codes and manufacturer specifications
Vibration pads/isolators will be installed
Ensure equipment is stable, level, and does not transmit vibration
Avoid compressing or disturbing attic insulation
5.3002.16e
Equipment will be supported with a nonwicking, fireproof material or suspended with a threaded rod in accordance with local codes and manufacturer specifications
Connection to structure will be enough to support weight
Vibration pads/isolators will be installed
Ensure equipment is stable, level, and does not transmit vibration
Avoid compressing or disturbing insulation
5.3002.16f
Equipment will be supported on nonflammable material capable of supporting the weight of the equipment
Air handler opening will be free of obstructions
Vibration pads/isolators will be installed
Ensure equipment is stable, level, and does not transmit vibration
Properly support equipment
Prevent a fire hazard
Ensure platform does not impede air flow
5.3002.16g
Equipment will be supported on ductwork capable of supporting the weight of the equipment
Equipment will be supported on ductwork with rigid exterior insulation fastened to the ductwork
Properly support equipment
Protect equipment from moisture damage
Reduce heat loss
5.3002.16h
Gaps larger than 1/4" between air handler and adjoining ductwork or equipment (e.g., evaporator coil, filter rack) will be bridged with sheet metal, and sealed with mastic and fiberglass mesh
All air handler joints will be sealed with mastic and fiberglass mesh
Air handler joints and non-service openings will be sealed to eliminate all gaps with
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
90A and B approved sealant
If unit is installed in a building cavity, the cavity must be sealed prior to the installation to eliminate any return air leaks from adjoining chases
Ensure air handler does not leak air
Ensure sealing is durable
Do not increase resistance to air flow
5.3002.16i
A secondary drain pan that provides proper pitch and a float switch will be installed beneath equipment located in areas where water damage may occur, such as attics and conditioned spaces
The float switch will be interlocked with the cooling circuit in order to turn off the equipment when a leak occurs
Prevent water damage
