Pressurization Unit, Purge Unit

Shield Air WPAX Series   Redundant Wall Mounted Combination Air Conditioner 

and Pressurization Systems (Electric Heat) for Use in Industrial and/or Hazardous Applications 

Cooling Capacity :   18,000~ 360,000 Btu/h (5.2Kw ~ 105 Kw)  

Heating Capacity :   14,000~ 341,000 Btu/h (4.1Kw ~ 100 Kw)     

STANDARD FEATURES:

*Certified by CSA (bearing the CSA mark) for compliance to applicable codes and standards

Down flow supply and return

Spark resistant fan and blower construction

EPA approved, HFC type refrigerants

Fully insulated evaporator section for quiet operation

Protective coatings for prolonged life of cabinet and chassis

OPTIONS:

Remote thermostat or operating panel shipped loose for wall installation

Total nominal cooling from 1.5 to 30 tons

Steam heating coil with connections

Electric heat (limited by temperature code and system size)

End/side supply/return

Single or three phase operation in 60 or 50 Hz applications

Configurable for operation in various non-hazardous and hazardous rated locations.

Type 304 or 316 stainless steel cabinet and chassis for added corrosion protection

Corrosion resistant coatings for refrigerant coils and tubing (proven to withstand 10,000 hours of salt spray test)

Protective component coatings for prolonged life in corrosive environments

Totally Enclosed Fan-Cooled (TEFC) motors

Ventilation packages to maintain specified air changes

NFPA 496 packages for automatic control of Types X, Y, or Z positive pressure and purge air flow for the space

Advanced chemical filtration packages

Low/High ambient packages for operation in extreme environments

APPLICATIONS:

Analyzer buildings

Control rooms, driller’s cabins, living quarters, and other manned applications

MCC, RIE, power, and various other buildings

 *Certification may not apply to all configurations. Please contact our technical sales 

department for more information.