ENVIRO MODEL 715DS DOUBLE HORIZONTAL RECIRCULATORY AIR COOLER/FREEZER DOOR WITH FABRIC ROLL-UP DOOR
DIVISION 8
SECTION 08300
SPECIALTY DOOR SYSTEMS
PART 1- GENERAL
1.01 SECTION INCLUDES
A. ENVIRO AirSeal™ Double Horizontal Recirculatory Air Cooler/Freezer doors with Fabric Roll-Up doors 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.
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 715-DS Double Horizontal Recirculatory Air Cooler/Freezer doors with Fabric Roll-Up doors as distributed by NORTHERN DOCK SYSTEMS INC., Mississauga, Ontario. Contact Sales Office at 1.866.601.1758 or .
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 DOUBLE HORIZONTAL RECIRCULATORY AIR DOORS
A. ENVIRO AirSeal Model 715-DS Double Horizontal Recirculatory Air Cooler/Freezer doors with Fabric Roll-Up doors.
1. Door size to fit door opening _____ wide X _____ high, or as shown on architectural drawings.
2. Doors shall be electrically operated single horizontal recirculatory air units with pre-mounted high-speed fabric roll-up doors. All components to be by the same manufacturer.
3. Doors to be double horizontal recirculatory air (cooler) (freezer) doors. Door shall consist of three separate assemblies, designed to be free standing and self-supporting. All assemblies to be constructed of galvanized steel, (optional: stainless steel). Complete design to form an installed sealed construction.
4. Header assembly to be a single unit of galvanized construction, (optional: stainless steel). Header to include a pre-installed and wired self-contained heater unit. Heater to be self-regulating and fully adjustable through main control box panel. Header assembly to include a self-contained backard inclined air generator with a minimum capacity of 4,000 cubic feet per minute airflow. Operator assembly to be direct driven electric 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 fully 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 programming and air velocity to be fully adjustable to minimize energy usage, depending upon operation requirements.
f) Door system controls must include a programmable logic controller and variable frequency drive for full adjustability.
g) Door system must be fully impactable in either direction without obstructing AirSeal.
5. AirSeal supply plenum to be all galvanized construction, (optional stainless steel). Plenum to include up to six (four minimum) individual internal horizontal air diverters and four fully adjustable vertical laminar air control louvers.
6. AirSeal return plenum to be all galvanized construction, (optional stainless steel). Plenum to have full vertical unobstructed air passage through pressure differential grating. Plenum to utilize counterbalance suction through header mounted blower and pressurized plenum air intake design. Plenum to be of necessary width to fully capture and recirculate AirSeal.
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 or white.
b) Electric operator to allow open/close cycle of 42 inch/second or more. Electric motor to be 3/4 hp, 460 volts, 3 phase 60 Hz unit. Single speed operation [Option: two speed operator].
c) Door curtain to be equipped with electric or pneumatic activated instant reversing edge. Reversing edge to be active along full length of door edge.
d) Send & receive reversing photo eye to be provided, 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) Doors 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. Electric motor to be 1 hp, 230/460 volt, 60 cycle, 3 phase.
8. Main control panel 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 and three push button station with emergency stop. Standard controls to include a variable frequency drive. Door commands are processed by a self-diagnostic Enviro Programmable Logic Controller (PLC). Control panel to be provided with a multi-control cable plug connector for all low voltage wiring between control box and operator.
9. Door actuation to be provided by:
a) Two single control ceiling mounted, low voltage pull cord switches.
or 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
10/6/04