Psychrometric Test Facilities

Test complete HVAC systems in precision controlled “real world” conditions.  Set conditions for indoor and outdoor rooms by separate, dedicated air handling units consisting of a main cooling coil, desiccant wheel dehumidifier, blower, heater and humidification.  Room Configurations include Side by side, Over-under, Splittable, Room-in-room, Ashrae 37  & Ashrae 16 type configuration. Responsive after sales support through dedicated customer service and regional field service network.

Features

  • Direct expansion refrigeration system standard, options available for secondary “brine” conditioning for added control capabilities. Water or air cooled condenser refrigeration systems available.
  • Automated or manual nozzle closure of Ashrae flow meter systems
  • Designed with NIST traceable calibration for all sensors
  • Operator configurable test profiles with multiple axis curve plotting of system performance. Complete enthalpy analysis data. Automated test profiles
  • Product testing 2 to 100+ amps, multiple power supplies
  • Removable test fixture bulkhead for I/O rooms
  • Data collection and computation through PLC based touch screen, also available through LabVIEW automation software packages

Specs

Nominal Capacities: 2 ton to 600T+

Airflow (scfm): Variable – Based on Capacity & Specification
Temperature Range: 35 to 95F Typical
Cooling System: Mechanical Refrigeration – DX or Brine
Heating System: Electrical Typical
Humidity Control: 20 to 90% RH / 40 to 80F DP / 40 to 95F
Humidification System: Vapor Injection
Dehumidification System : Desiccant Dryer

Airflow (scfm): Variable – Based on Capacity & Specification
Temperature Range: -20F to 120F Typical
Cooling System: Mechanical Refrigeration – DX or Brine
Heating System: Electrical
Humidity Control: 20 to 90% RH / 20 to 90F DP / 40 to 120F
Humidification System: Vapor Injection
Dehumidification System: Desiccant Dryer

Airflow (scfm): <50 cfm to 120,000 cfm+
Nozzle Type: Ashrae
Static Pressure Range: -2” to 2” in water column