Refrigerant Pipe Insulation Code

Most states or local jurisdictions have adopted some version of either standard 90 1 or the.
Refrigerant pipe insulation code. For these reasons suction lines should be insulated with a vapor proof insulation. Insulated suction lines are completed by schneider electric s. Exterior refrigerant piping insulation protection. Here we describe defects in refrigerant piping insulation problems caused by defective refrigerant piping insulation recommended installation practices for refrigerant tubing insulation in building walls or cavities as well as outdoors where exposed to the weather and interior leaks on in wall below a split system air conditioner wall.
Section 120 3 requirements for pipe insulation the piping for all space conditioning and service water heating systems with fluid temperatures listed in table 120 3 a shall have the amount of insulation specified in subsection a or b. Energy standard for buildings except low rise residential buildings and the international energy conservation code iecc are the major energy design standards for new buildings in the united states. Pipe insulation 2 inner diameter home split ac refrigeration copper pipe insulation tube 6 feet length. You will find that the cmc iecc codes along with ashrae standards require that insulation installed on the exterior of a building be protected from the sun s uv rays and the weather.
4 6 out of 5 stars 172. Thermwell products p10 foam insulation 3 feet 4 pack. 2 hot pipes require anywhere from 1 to 5 of insulation depending on size and temperature. American society of heating refrigerating and air conditioning engineers ashrae standard 90 1.
This is a requirement of many building codes. The thickness required for low temperature pipes like refrigerant and chiller water is less than higher temperature pipes and smaller pipes require less insulation as well 1 in general refrigerant suction lines and chilled water pipes require either 1 2 or 1 insulation depending on the size and temperature of the pipes. Section c403 2 8 1 protection of piping insulation piping insulation exposed to weather shall be protected from damage including that due to sunlight moisture equipment maintenance and wind and shall provide shielding from solar radiation that can cause degradation of the materials adhesives tape shall not be permitted. 4 1 out of 5 stars 47.
Vapco foam tape insulation condensation prevention tape for pipes tubing 1 for technicians. In addition any heat that enters the refrigerant adds to the superheat and reduces system efficiency. Related code sections m1411 5 heating and cooling equipment and appliances insulation of refrigerant piping piping and fittings for refrigerant vapor suction lines shall be insulated with insulation having a thermal resistivity of at least r 3 and having. Unfortunately we have all seen this one slip by the inspector s watchful eye.