Specifications

DRI-STEEM

STS

steam-to-steam humidifier schedule and features

Rev. 02/11 Page 3 of 5

Optional equipment for STS with tap/softened water or with DI/RO water option

Optional items marked below are included with equipment submitted.

_______ 1. Multiple humidifier tank control

_______ 2. Steam control valve

______ Pneumatic

______ Electric 0 Vdc to 10 Vdc

______ Electric 4 mA to 20 mA

______ Valve by others

______ Pneumatic

______ Electric

_______ 3. Johnson Controls pneumatic humidistat H4100-203, 10% RH to 95% RH, 0 psi to 20 psi

_______ 4. Johnson Controls pneumatic duct high limit controller, H3610-1001

_______ 5. Johnson Controls pneumatic duct controller, H3610-1002

_______ 6. On-off duct mount humidistat, range 30% RH to 90% RH (may be used as high limit controller)

_______ 7. Airflow proving switch — prevents humidifier from operating without airflow

Electric Pneumatic Sail

XXXXX _ 8. Control cabinet mounted directly to humidifier

_______ 9. NEMA-4 enclosure for outdoor applications

XXXXX _ 10. Factory insulation — 1" semirigid foil-faced insulation (covering all surfaces except front of

humidifier)

XXXXX _ 11. Support legs — brackets support humidifier 24 inches above floor. H-legs provided standard for

STS-200/400/800

_______ 12. Outdoor enclosure: _____Roof curb _____Legs _____Flush mounting

_______ 13. Wall mounting brackets (not available for STS-200/400/800)

_______ 14. Ultra-sorb

Model XV steam dispersion panel

_______ Heat exchanger controlled by STS humidifier

XXXXX _ 15. Custom Ultra-sorb dispersion

_______ Insulated tube option

_______ 16. Custom Rapid-sorb

dispersion

_______ Insulated tube option

_______ 17. Steam hose kit — includes 10 feet of 1½" or 2" vapor hose, stainless steel dispersion tube, hose

clamps, and escutcheon plates (to seal opening where tube penetrates duct)

_______ 18. Other __________________________