Field Controls 46457000 User manual

Combustion AIR Systems (oil)

CAS-1 and CAS-2 (oil)

Direct Connect

The CAS-1 and CAS-2 Field Combustion Air Systems

provide controlled amounts of outside air for proper

combustion of oil heating appliances. These models were

designed specifically for use with Aero, Beckett, Carlin,

Riello, or Wayne burners.

HEN TO USE THE CAS SYSTEM:

• Too tight construction

• Provide source of fresh air for combustion

• CAS-1 & CAS-2 connect directly to oil

burners

Intake Air Hood

4” VRV

Vacuum

Relief

Valve

Furnace Boot™

With telescopic

Feature

(Allows units to fit

any furnace cabinet)

Field AirBoot®

Field BigBoot™

Pipe

Diameter

Maximum

Linear

Feet

Feet/

Elbow

4” 44’ 7’

5” 60’ 9’

AirBoot®/

Furnace Boot™

6” 90’ 11’

6” 30’ 11’

7” 60’ 12’

Field BigBoot™

8” 100’ 14’

Model Fuel Burner Appliance

Input Components

CAS-1 Oil

Beckett AFII, Riello

40BF

Up to 2

gph

4” Intake Air Hood

4” Vacuum Relief Valve

CAS-2A

CAS-2B

CAS-2C

CAS-2W

Oil

Aero FAFC, HF-US,

HF-AFC, (S)SV

Beckett AFG or AF,

Carlin EZ-1, CRD,

FRD, Wayne MSR

Up to 2

gph

4” Intake Air Hood

4” Vacuum Relief Valve

Field AirBoot®

CAS-2B-90E Oil

Beckett AF & AFG

warm air furnaces

Up to 1.5

gph

4” Intake Air Hood

4” Vacuum Relief Valve

FurnaceBoot™

CAS-2BB Oil

Beckett SF,

SMG,CF-500, CF-

800

Up to 4.5

gph

6” Intake Air Hood

6” Vacuum Relief Valve

Field BigBoot™

CAS-2B375 Oil Beckett CF-375 Up to 3.5

gph

6” Intake Air Hood

6” Vacuum Relief Valve

Field BigBoot™

CAS-2BC Oil

Carlin, 99-FRD,100-

CRD,102-CRD

Up to 4.5

gph

6” Intake Air Hood

6” Vacuum Relief Valve

Field BigBoot™

CAS-3 (oil)

This model is designed to provide combustion air for

appliances when direct connecto the burner is not

possible. According to NFPA 54 and NFPA 31, an

engineered system such as a CAS-3 may be used to

overcome the lack of air in a confined space. The CAS-3

is designed for optimum safety and includes a proving

device that won’t allow the burner to engage without the

Fan-in-a-Can™ operating. Multiple units or additional

controls are required for multiple appliance installations.

The CAS-3 is equipped with a two speed control for

enhanced versatility.

HOW THE CAS-3

ORKS:

When the thermostat calls for heat, the Fan-

in-a-Can™ engages and begins drawing

outside air into the structure. When air flow

is established, the CAS allows the burner to

activate. The Fan-in-a-Can™ diffuses the

outside air into the room near the burner.

Model

Number Fuel Application Components

CAS-3 Oil

Any oil

heating

appliance

4” Intake Air Hood

Fan-in-a-Can™ Assembly

6” to 4” Reducer

Restrictor Plate

Intake Air Hood

Fan-in-a-Can™

Assembly

P/N 46457000 10/03

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