OPTION: Provide foil faced insulation in lieu of standard. Foil insulation shall meet or exceed the requirements stated above, and in addition, meet ASTM Standards C665 and C-1136 for biological growth in insulation. Insulation shall be lined with aluminum foil, fiberglass scrim reinforcement, and 30 pound kraft paper laminated together with a flame resistant adhesive. All exposed edges shall be sealed to prevent any fibers from reaching the air stream.
OPTION: Provide elastomeric Elastomeric foam insulation in lieu of standard. Insulation shall conform to UL 181 for erosion and NFPA 90A for fire,smoke and melting, and comply with a 25/50 Flame Spread and Smoke Developed Index per ASTM E-84 or UL 723. Additionally, insulation shall comply with Antimicrobial performance rating of zero, no observed growth, per ASTM G21. Polyethylene insulation is not acceptable.
OPTION: Provide a single wall primary drain pan constructed entirely of heavy gauge type 304 stainless steel for superior corrosion resistance. Stainless steel drain pans shall be externally insulated and meet or exceed the requirements stated above.
OPTION: Provide 3 wire floating point modulating control valve in lieu of standard 2 position control valve with factory assembled valve piping package.
OPTION: Provide either a fixed or adjustable flow control device for each piping package.
OPTION: Provide pressure temperature ports for each piping package.
OPTION: Strainer for each package. Piping packages are shipped loose on all units and can be installed by request only.
OPTION: Washable filters.
OPTION: Coil casing shall be fabricated from 304 stainless steel.
OPTION: Provide a manual air vent fitting to allow for coil venting.
OPTION: Provide a manual water drain fitting for coil draining.
OPTION: Provide automatic air vents in lieu of manual air vents.
Cooling and heating coils shall be in the common coil casing, heating coils shall be furnished in the re-heat or preheat position on the unit with chilled water coils, and DX coil shall be in preheat position only.
OPTION: Electrical junction box with multiple position ¼" spade terminal block to facilitate wiring terminations for the electric control valves
an thermostats.
OPTION: With Electric Heat, unit may be shipped loose or integrated.
OPTION: Include fusing, disconnects, sensors and switches.
WARNING: This product can expose you to chemicals including epichlorohydrin which is known to the State of California to cause cancer and birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov