Shield Air Solution Explosion Proof Exterior Wall Mounted Cooling Unit , Rooftop Unit

Marc S Series Split Air Conditioning and Heating System Custom-Built 

for Use in Industrial and/or Hazardous Applications 

Cooling Capacity :   18,000~ 240,000 Btu/h (5.2Kw ~ 70.2 Kw)

Heating Capacity :   14,000~ 240,000 Btu/h (4.1Kw ~ 70.0 Kw) 

INCLUDES:

CLS series condenser units

AAU series evaporator units

STANDARD FEATURES:

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

codes and standards

Spark resistant fan and blower construction

Minimal building wall cut-out requirement

EPA approved, HFC type refrigerants

Air handler duct connections matching major AC manufacturers

Condensing unit foot-prints matching major AC manufacturers

Mechanical thermostat shipped loose for wall installation

OPTIONS:

Total nominal cooling from 1.5 to 20 tons

Steam heating coil with connections

Electric heat (limited by temperature code and system size)

Single or three phase operation in 60 or 50 Hz applications

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

Type 316 stainless steel cabinet and chassis for 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

Electrical disconnects

Digital thermostat (shipped loose) for general purpose applications

Low/High ambient packages available for operation in extreme environments

APPLICATIONS:

Split hazard locations

E.g.: Class I, Division 2 indoor; non-hazardous outdoor

Blast/fire rated buildings

Control rooms/cabins, living quarters, plant office buildings, and other manned applications

MCC, RIE, DCS, power, and switchgear buildings

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

department for more information.