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RTF – Rooftop Freezer Systems

Penthouse Evaporator Systems

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RTF Evaporators
Factory assembled air cooling evaporators and fans mounted on a rigid base framework and enclosed with an insulated panel enclosure.

Assembly is designed to sit on a roof curb that is internally open to the cold room below. Options include air discharge plenum and factory mounted and wired fan motor starters.
  • 4" or 5" urethane foamed-in-place wall panels
  • Stucco-embossed painted steel exterior
  • Large service doors with heated seals
  • Cooling coil sized for the application
  • OSHA guards at fan inlet
  • Fan motor service rail
  • Interior maintenance lighting with switch and 120V service outlet
  • Refrigerant and drain lines extend through the insulated enclosure
  • Insulated drain pan
 
 
  • Insulated Panels: Foam-in-place urethane insulation with steel interior and exterior.
  • Exterior Finish: Painted
  • Insulation Value: 4” panels are R-32, 5" panels are R-41
  • Enclosure Access: (2) freezer style access doors provide access to the air inlet and outlet sides of the cooling coil
  • Unit Base: Welded frame fabricated out of formed 10 gauge galvanized steel
  • Interior Floor: Air inlet opening of the base is covered with grating to create a walk-on surface. Fan panels are designed to be a walk-on surface for the leaving air side of the cooling coil
  • Cooling Coil: Standard evaporator is stainless steel tube / aluminum fin
  • Drain Pan: Separate, stainless steel, double sloping, insulated with defrost coil as required
  • Fans: Direct drive cast aluminum blades, TEFC P.E. motors
  • Unit Wiring: (1) convenience outlet outside each service door and (1) interior light immediately inside each door.
  • Optional items: Removable cooling coil access panel in the enclosure, Insulated roof curb, Air discharge plenum for locating inside the cold room, Factory mounted electrical panels for the fan motors
 
 
RTF Evaporator Chart
Roof-Top Freezer Systems (RTF)
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