Tjernlund PS1505 Fan Proving Switch

TJEPS1505 MFG #: PS1505
  • Material: Steel
  • Suitable For Use With: AUTO-DRAFT® Inducer
  • Domestic / Import: Domestic
  • Finish: Zinc Plated
  • Manufacturer: Tjernlund Products
  • Manufacturer #: PS1505
The Tjernlund PS1505 Fan Prover has been designed to monitor the pressure within the fan housing only. A motor or wheel failure will decrease housing pressure and deactivate the pressure switch, thus preventing combustion.

Tjernlund Fan Proving Switch, For Use With: AUTO-DRAFT® Inducer, Steel, Zinc Plated, Domestic
  • Features
  • Simple installation
  • Mounting hardware furnished
  • Fixed set point
  • Voltage: 125 VA pilot duty at 24 VAC, 300 VA pilot duty at 115 to 277 VAC, 15 A non-inductive to 277 VAC
  • Electric switch: SPST, normally open snap acting contacts
  • Electric connectors: No 6-32 screw terminals with cup washer
  • Control set point: Non-adjustable
  • Operating pressure: On increasing vacuum pressure rise, 0.05 +/- 0.02 in WC with diaphragm in vertical position
  • Maximum pressure: 1/2 psi
  • Operating temperature range: -400 to 1900 deg F
  • Mounting position: Diaphragm vertical
  • Dimensions: 5 in diameter, 5-1/2 in across mounting bracket, 3 in high