Herricane CS
®
Series
A p p l i c a t i o n G u i d e
28
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SECTION VI TYPICAL SPECIFICATIONS
Suggested Specifications for HERRMIDIFIER Herricane CS Series
Central Steam Distribution System
15781 Humidifiers
Part 1 General
A. Scope
1.
Furnish a system of humidification indicated on the drawings complete with:
• Steam Distribution System
• Inlet Strainer (optional)
• Supply Trap (optional)
• Steam Valve and Actuator (optional)
• Manifold Traps (optional)
•
Controls - Control Humidistat, Limit Humidistat, Air Proving Device (all recommended)(optional)
2.
Operation of the system shall be controlled automatically to maintain ____%RH at ______ degrees F with a tolerance of
+/- _____%RH.
3. Warranty system for a period of one year from date of beneficial use of the owner. Distribution system shall be warranted
for a period of three (3) years.
4.
Provide owners manual to cover installation, start-up, operating and maintenance.
5.
The manufacturer shall guarantee the performance of the system in writing based on design air volume, temperature,
downstream RH, and capacity. Performance is defined as “bulk” and “last wisp” evaporation and laminar airflow.
Part 2 Product
A. Distribution System
1.
Provide steam distribution system constructed entirely of stainless steel. Dissimilar materials are not acceptable.
2.
All welding to be done in accordance with ASME Section IX.
3.
Steam distribution system shall be pressure tested with steam at operating pressure or greater, at the factory prior to
shipment.
4.
Entering steam will be force to take two 90 degree turns before reaching the distribution system (pressure systems only).
5. The manifold shall be equipped with stainless steel nozzles, press fitted into the stainless steel manifold. The output of
the nozzle is limited to a maximum of 5 lbs/hr. Exact capacity of nozzles to be determined based on required evaporative
distance and design psychrometric conditions. Nozzles extend to enter the airstream. Nozzles must be identical output for
entire distribution manifold. Manifolds with holes or orifices only are not acceptable.
6.
Multiple manifold system shall have header and distribution tubes constructed as a system: all joints shall be welded - slip
joints and “o” rings are not acceptable.
7.
Distribution manifold shall be unjacketed and allowed to cool to surrounding temperature when there is no requirement
for humidity. Jacketed manifolds with insulation (extra airflow resistance) or isolation valve (cracking welds) are not
acceptable.
8.
Distribution manifold design feature provisions for manifold trap(s). This trap, which can be either a thermostatic or float
and thermostatic trap (a “P-Trap” will work with self-generating systems), al;lows any condensate formed to exit without
entering the airstream.
9. Steam valve, actuator, traps and strainer to be based on parameters of the application.
10. Temperature interlock switch is not required. Any condensate formed within the manifold will be drained out of the manifold
trap.
