FEATURES
For mounting heights to 12′ (environmental separation) and 10′ (insect control).
The Berner Hazardous Location Series 12 Air Curtain is designed and manufactured to comply with ANSI/NFPA-70 National Electrical Code (NEC) for Electrical Equipment: Class I, Division 1 and 2, Groups C and D for gases.
- Used in areas where gases may create a hazardous situation to keep temperatures stable and flying insects out when the doors are open.
- Engineered to perform and built to last
- Simple to install, operate, and maintain
- Made in U.S.A.
Available in single lengths from 3′ to 16′
AMBIENT
- Constructed for Class I, Division 1 & 2, Groups C & D
- ½ hp explosion-proof single-speed motor(s) temperature code T3C
- Interior and exterior gray zinc epoxy powder-coated aluminized steel cabinet with aluminum screen and access panels
- External Mount Explosion Proof Junction Box (one per motor)
- Aluminum impellers in a matching housing
- Wall and top mounting
- High efficiency Pro-V Nozzle
STEAM/HOT WATER HEAT
- Constructed for Class I, Division 1 & 2, Groups C & D
- ½ hp explosion-proof single-speed motor(s) temperature code T3C
- Interior and exterior gray zinc epoxy powder-coated aluminized steel cabinet with aluminum screen and access panels
- External Mount Explosion Proof Junction Box (one per motor)
- Aluminum impellers in a matching housing
- Wall and top mounting
- High efficiency Pro-V Nozzle
Coil features:
- Aluminum casing
- 5/8″ copper tube X .035″ wall
- Aluminum fins
- Leak tested at 450 psi
Accessories
Control Panels
Standard location: Factory installed on left-hand end plate of air curtain. Optional locations: Right-hand end plate or remote mounted.
Single Phase Control Panels:
A single phase control panel is required when:
- A time delay is used
- 24 volt control is used
- When motor quantities exceed:
(2) ½ hp @ 120V or
(3) ½ hp @ 208-240V
An activation switch must be selected along with the panel for activation of the air curtain.
Standard Control Panel Construction:
Hazardous Location
- UL Classified NEMA 7 & 9 Aluminum Enclosure for Use in Class I, Division 1 & 2, Groups C & D Applications
- IEC Style Contactor, Control Transformer w/ Primary and Secondary Fusing (120V Control Voltage) (as required), Fusing (as required), Din Rail Mounted Terminal Blocks (as required), Terminal Strip (as required), and Time Delay or 24V Control (as required)
Standard Control Panel Construction:
Non-hazardous Location
- NEMA 4/12 Enclosure, Motor Contactor (factory wired), Terminal Strip, Fusing (as required), and Time Delay or 120V Control Transformer (as required)
- Optional control panel enclosure constructions (non-hazardous location only): poly fiberglass, aluminum, stainless steel
Three-Phase Control Panels
All three-phase power supplies require a three-phase control panel and an activation switch.
Standard Control Panel Construction:
Hazardous Location
- UL Classified NEMA 7 & 9 Aluminum Enclosure for Use in Class I, Division 1 & 2, Groups C & D Applications
- IEC Style Contactor, Solid State Adjustable Motor Overload(s), Control Transformer w/ Primary and Secondary Fusing (120V Control Voltage), Fusing (as required), Terminal Strip, and Time Delay or 24V Control (as required)
Standard Control Panel Construction:
Non-hazardous Location
- NEMA 4/12 Enclosure, Motor Contactor (factory wired), Terminal Strip, Fusing (as required), and Time Delay, 24 V Control, or 120V Control Transformer (as required)
- Optional control panel enclosure constructions: poly fiberglass, aluminum, stainless steel
Control Panel Accessories
Hazardous Location
- Hand/off/automatic switches
- Start/stop push button(s)
- 24 V control
- Time delay
Non-hazardous Location
- Hand/off/automatic switches
- Start/stop push button(s)
- Summer/winter switches
- Summer/off/winter switches
- Disconnect switch(es) — toggle disconnects based on number of power supplies required
Electrical Accessories
Hazardous Location
- Door switches: Side plunger style
- Hand/Off/Automatic switches
- Start/Stop push button(s)
- Remote thermostat
Mechanical Accessories
- Wall support brackets
- Extension brackets
- ½” washable filters
