Nortec Industries GS Series GSTC Indoor - Manual (Page 38)

10-40
Page 31
2008-10-01
(6) Submit minimum water quality requirements and water pressure requirements.
D. Extra Materials
(1) Furnish extra materials described below that match products installed and that are
packaged with protective covering for storage and identified with labels describing
contents.
E. References
(1) ANSI/NFPA 70 - National Electrical Code.
F. Coordination
(1) Coordinate location and installation of humidifiers in ducts and air-handling units.
Revise locations and elevations to suit field conditions and to ensure proper
humidifier operation.
XXXXX OR XXXXX
(2) Coordinate location and installation of humidifier in the space it serves with the
electrical, mechanical, and plumbing contractors.
2. PRODUCTS
A. Gas Fired Steam Humidifier - GSTC
(1) Packaged unit, floor mounted, gas-fired, steam generating system available at 105
lbs/hr (48 kg/hr), 210 lbs/hr (95 kg/hr), 315 lbs/hr (143 kg/hr), 420 lbs/hr (191
kg/hr), 525 lbs/hr (238 kg/hr), 630 lbs/hr (286 kg/hr), suitable for immediate, or
future, use of all water types including, De-Ionized (DI), Reverse Osmosis (RO),
potable and softened water, without modification required, CSA certified.
(2) Packaged unit, wall mounted, methods of distribution require a steam distributor[s]
or Short Absorption Manifold [s] [SAM-e] for mounting into AHU/duct[s] or Remote
Mounted Blower Pack[s] [RMBP] for direct space applications [refer to options
schedule].
(3) Enclosed cabinet, powder painted steel construction and air gap between cabinet
and insulated humidifier tank ensures safe surface temperature.
(a) Evaporation tank and all internal tank components to be constructed of 304
stainless steel.
(b) Humidifier requires zero clearance to combustibles and shall be installed
against a partition to minimize floor space required. All tank surfaces shall be
insulated with minimum 1" (25 mm) thick insulation and enclosed within unit
cabinetry to ensure safe surface temperature, high overall efficiency, and fast
unit response time. Units with exposed insulation shall not be acceptable.
(c) Maintenance shall not require the removal of the steam lines.
(d) Standard internal drain water cooler to ensure drain water tempering to 140º
F (60 ºC). If external drain water cooler required, provide factory cross-braced
unit stand and factory supplied stainless steel p-trap.
(e) Blow-down p-trap, factory installed, enclosed in cabinet, prevents steam
leakage to drain. Field installation not acceptable.