SynC · Topic
Cooling Towers
These are the standards in SynC Standards that cover Cooling Towers. Each one is a complete, plain-language specification: the scope it applies to, the requirements that govern it, and a structured equipment datasheet listing the values a project has to decide, with the standards each is verified against. All of it is written and maintained by SynC, free to read without an account, and published under CC BY 4.0.
A standard usually carries several topics, so most of the entries below also appear under neighbouring subjects. The topics each one carries are listed on its own page.
Standards
- Cooling Towers
Open-circuit and closed-circuit (fluid cooler) evaporative heat-rejection equipment for HVAC condenser water systems serving water-cooled chillers, water-source heat pump loops, and process cooling in commercial, institutional, and industrial buildings. Covers field-erected and factory-assembled (packaged) towers; induced-draft and forced-draft configurations; counterflow and crossflow arrangements; galvanized steel, stainless steel, and fiberglass (FRP/HDPE) construction; axial and centrifugal fans with constant-speed, two-speed, and variable-speed drives. Applicable from small rooftop packaged towers through large multi-cell field-erected installations.
- HVAC Pumps
Rotodynamic (centrifugal) pumps that circulate water and water-glycol solutions for building heating, cooling, and heat-rejection service. Covers closed-loop heating hot water and chilled water pumps, open-loop condenser water pumps serving cooling towers and fluid coolers, condenser loops serving water-source heat pumps, and the vertical turbine pumps used where the supply level sits below the pump. Addresses the pump end, the driving motor, the baseplate or frame, the coupling, shaft sealing, vibration isolation, factory and field acceptance testing, and the coordination items that decide whether the installed pump reaches its certified curve.
- HVAC Water Treatment
The ongoing chemical and physical water treatment program for HVAC water systems in commercial, institutional, and industrial buildings. Covers closed hydronic loops (heating hot water, chilled water, dual-temperature, water-source and ground-source heat pump loops, and inhibited-glycol loops), open recirculating condenser water systems served by cooling towers and evaporative condensers, and steam and condensate systems at or below 150 psig. Addresses make-up water characterization, corrosion and scale inhibitor chemistry, biocide programs, cycles of concentration and bleed control, chemical feed and controller equipment, side-stream filtration, sample ports and routine monitoring, corrosion coupon reading, the Legionella risk-management documentation required under ANSI/ASHRAE 188, the service contract that sustains the program, and seasonal lay-up.