Are traps required in refrigerant piping run with air cooled units?
Yes, trapping is required on both the discharge and/or suction lines. Discharge lines, also called hot gas lines, should be trapped at the top (inverted) and bottom, as well as every 15-20 feet of vertical rise as applicable. Suction lines should be trapped in a similar fashion. How much steam is generated by the Nordec humidifier? Can it be adjusted? The amount of steam generated depends on the model of humidifier you have in your Data Aire unit. To determine the model number, locate the product description label on the Nortec humidifier. Match the model number to the table below to determine the amount of steam generated. All humidifiers can be adjusted within the range shown. Factory setting is 60% of capacity. Additional details are available in the Operation and Maintenance Manual shipped with the unit. Is an air vent valve required in the piping when an expansion tank is used? Air vents must be installed in various locations in the piping system to purge air and for sure at the h