Enviro Model 715S Airseal Single Horizontal

ENVIRO MODEL 715S AIRSEAL SINGLE HORIZONTAL RECIRCULATORY AIR DOOR WITH ATTACHED ROLL-UP DOOR - ELECTRIC OR HOT GAS

DIVISION 8 SECTION 08300 SPECIALTY DOOR SYSTEMS

PART 1- GENERAL

1.01 SECTION INCLUDES

A. ENVIRO AirSeal™ Single Horizontal Recirculatory Air door and accessories for complete installation.

1.02 RELATED SECTIONS

A. Division 16 - Electrical.

1.03 SUBMITTALS

A. Product Data: Completely describing components.

B. Shop Drawings: Showing details of fabrication, installation and accommodation to connecting work.

C. Installation Instructions: For door, operator and accessories.

D. Operating and Maintenance Data: For door, operator and accessories.

E. Energy Efficiency Program to validate cost savings.

1.04 QUALITY ASSURANCE

A. Installer Qualification: Door manufacturer, or trained, approved and licensed door installer.

PART 2 - PRODUCT

2.01 MANUFACTURERS

A. ENVIRO AirSeal Model-715S Single Horizontal Recirculatory Air door as distributed by NORTHERN DOCK SYSTEMS INC., Mississauga, Ontario. Contact Sales Office at 1.866.601.1758 or [email protected].

B. Substitutions: No substitution will be considered unless written request for approval has been submitted by the bidder and has been received by the architect at least ten (10) days prior to the date for receipt of bids. Each such request shall include the name of the materials for which it is to be substituted and a complete description of the proposed substitute including drawings, cuts, mock-ups, performance and test data, a list of projects of similar scope and photographs of existing installations, and any other information necessary for evaluation.

2.02 SINGLE HORIZONTAL RECIRCULATORY AIR DOOR WITH ATTACHED ROLL-UP DOOR.

A. ENVIRO AirSeal Model-715S Single Horizontal Recirculatory Air Door with attached roll-up door.

1. Door size to fit door opening _____ wide X _____ high, or as shown on architectural drawings.

2. Door shall be electrically operated single horizontal recirculatory air units with integrated high-speed fabric roll-up door. All components to be by the same manufacturer.

3. Door to be single horizontal recirculatory air (cooler) (freezer) door. AirSeal unit shall be designed to be a self-supporting structure. All assemblies to be constructed of minimum 16 gauge galvanized steel, (optional: stainless steel). Complete design to form an installed sealed construction.

4. Header assembly to be a single unit of 16 gauge galvanized construction, (optional: stainless steel). Freezer header assembly to include a pre-installed and pre-wired self-contained heater unit. Heater to be self-regulating and fully adjustable through main control box panel.

(Or Option for Hot Gas: Freezer header assembly to include a pre-installed ammonia gas condensing coil with stainless steel tubes and aluminum fins. Ammonia gas supply valve to be self-regulating and fully adjustable through main control box panel.)

Header assembly to produce a minimum capacity of 4,600 cubic feet per minute airflow @ 4” s.p. Operator assembly to be electric direct drive for smooth quiet high- efficiency operation. Electric motor to be a minimum of 5 hp, 230/460 volts, 3-phase unit. Header assembly to have integral high-speed fabric roll-up door.

AirSeal to include the following:

a) AirSeal must be recirculatory and horizontal in direction. Doors which do not regulate, recapture and recirculate air flow will not be accepted.

b) Top down air blowers will not be accepted.

c) Door System must be designed so that no door components impede the AirSeal during operation.

d) System must be designed to allow fabric door and AirSeal to operate independently or in combination.

e) Door System must automatically probe, monitor and display: - Dock temperature - Dock humidity - Air discharge temperature - Air discharge humidity f) AirSeal System must be designed to automatically change air mixing temperature based on the principles of the psychrometric curve.

g) Door controls to include a digital readout of all temperature and humidity inputs.

h) Controls to function in a manual or automatic mode.

i) Manual Mode to allow for fully adjustable velocity and temperature control.

j) Automatic Mode setting must be designed to mirror the psychrometric curve while minimizing the overall energy usage.

k) Door System must be fully impactable in either direction without obstructing AirSeal.

5. AirSeal supply plenum to be a minimum of 16 gauge galvanized construction, (optional: stainless steel). Plenum to include multiple individual internal horizontal air diverters and multiple fully adjustable vertical laminar air control louvers.

6. Louvers to be all galvanized construction, (optional stainless steel). Intake plenum to have full vertical unobstructed air passage through pressure differential grating. Intake plenum to utilize balanced suction through header mounted blower. Intake plenum to be of adequate width to capture and recirculate air.

7. Integrated high speed fabric door to include:

a) A minimum .060" thick construction of plastic impregnated woven multi- filament polyester fabric. Panel color to be safety orange, blue (optional: white)

b) Electric operator to allow open/close cycle of 42 inch/second or more. Electric motor to be 3/4 hp, 230/460 volts, 3 phase 60 Hz unit. Single speed operation [Option: two speed operator].

c) Door curtain to be equipped with pneumatic activated instant reversing edge(option: electric). Reversing edge to be active along full length of door edge.

d) Send & receive reversing photoeye to be located within fabric door side frame.

e) Travel limit switch to provide infinite adjustment. Adjustments to be made without the aid of special tools or removing covers.

f) Disconnect feature:

1) Must release fabric door immediately upon impact from side carriers without tearing materials in either direction.

2) Disconnect activation will cause door to automatically stop at same level where bottom bar has released, and cutout electrical activation circuit. 3) Flexible carriers to be replaced in guides without the aid of tools.

4) Replacement will restore electrical power to the activation circuit after separate electrical reset button on control box is pushed. 5) Cover for side carriers and guides must remain in place at all times. (Doors which require side covers to be unfastened and opened to reset breakaway feature will not be allowed.)

6) Door requiring magnets, straps, breakable clips, or tape connections on the breakaway feature will not be allowed.

g) Counterweight system to be provided. Springs in curtain barrels and/or side columns will not be allowed.

h) Provide integral curtain stiffeners to withstand drafts and differential pressure.

i) Provide a minimum 12 gauge side guide system.

j) [Option: Provide galvanized metal shroud to cover barrel (and operator)]. [Option: 28" wide clear PVC window panel.]

k) Manual drive chain disconnect to be provided on front of fabric door side guide.

8. Main controls to be in a NEMA-4 rated enclosure, assembled and ready for connection by others. Control panel to be provided with off, single (AirSeal only) and dual operation selector switch with three push button station and emergency stop. Standard controls to include a variable frequency drive. Main control panel to have a digital readout of all humidity and temperature inputs. EPLC must automatically change air mixing temperature based on optimization controls, maximizing energy cost efficiency. Control panel to be provided with a multi-control cable plug connector for low voltage wiring between control box and fabric door operator.

9. Door actuation to be provided by:

a) Two single control ceiling mounted, low voltage pull cord switches.

Options:

b) Radio control actuator, or

c) Motion detector system, or

d) Loop detector

Note: Time delay close operation available with any of the above.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Verify installation conditions as satisfactory to receive work of this section. Do not install until unsatisfactory conditions are corrected. Beginning work constitutes your acceptance of conditions as satisfactory.

1. Verify opening size, dimensions and tolerances. 3.02 PREPARATION

A. Protect surrounding areas and surfaces to prevent damage during work of this section. 3.03 INSTALLATION

A. Install the work in accordance with manufacturer instructions.

3.04 WARRANTIES

A. One year on material and workmanship.

3.05 CLEANING

A. Leave the premises clean and free of residue of work of this section.

Dedicated People – Superior Products – Reliable Service

DOCKS LEVELERS - WHALENADO HVLS FANS - AIR BARRIERS - SEALS & SHELTERS - OVERHEAD DOORS 415 Ambassador Drive, Mississauga, Ontario L5T 2J3 | Phone (905) 625-1758 Fax (905) 625-0187