3-6 Setting Up the Water Balancing Valve

Install the plug provided in the unused water inlet on the side of the tower. Tighten and check for leaks.

To prevent damage to the tower fill material, use the water throttling valve and pressure gauge to regulate the water pressure to the tower spray nozzle(s). The recommended throttling valve is a butterfly-type valve that can be locked in the correct position with a locknut. See Figure 6 for recommended throttling valve pressures.

Figure 6: Throttling Valve Pressures

Model

Pressure

 

 

 

 

 

 

psig

 

KPa

 

 

 

 

SF2003

10 psig

 

68.95

 

 

 

 

SF2004

7 psig

 

48.26

 

 

 

 

Sf2005

3 psig

 

10.68

 

 

 

 

SF2007

5 psig

 

34.47

 

 

 

 

SF2009

6 psig

 

41.37

 

 

 

 

SF2011

8 psig

 

55.16

 

 

 

 

SF2015

10 psig

 

68.95

 

 

 

 

Warning! Exceeding these pressure limits will damage the tower fill and nozzle and void the tower warranty.

3-7 Initial Start-up

Check for proper rotation on all fan and pump motors. Refer to the arrows atop the tower and on pump housings.

Fill the system with water and adjust the float valve if you are using a float. Maintain a water level in the tower basin approximately one inch (25 mm) below the overflow opening.

The tower basin acts as a sump to maintain water level. Towers using inside tanks do not carry water in the basin.

Fiberglass Cooling Towers

Chapter 3: Installation

Page 16 of 25

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Sterling 882.004400.00 specifications Setting Up the Water Balancing Valve, Initial Start-up

882.004400.00 specifications

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