Vulcan VSX3E User Manual download pdf (Page 5)

VSX SERIES STEAMERS -GENERAL

Page 5 of 40

(Gas Model Shown)

TOOLS

Standard

Standard set of hand tools.

VOM with an AC current tester (any quality

VOM with a sensitivity of at least 20,000 ohms

per volt can be used).

Gas leak checking equipment.

Special

CLR Treatment Kit (p/n 817634) - Used to

remove Calcium/Lime/Rust from a steam

generator tank.

CONTROL LOCATION

WATER CONDITIONING

Furnishing the steam generator with soft water to

reduce scale formation is important. Scale formation

will reduce steam output, cause premature

component failure, and shorten equipment life. Most

water supplies contain scale producing minerals

such as Calcium and Magnesium. As steam is

generated, the minerals remain and dissolve into

the water. As the concentration of these minerals

increases past a certain point, they precipitate from

the water and coat the inside of the tank, heating

elements, thermostat bulbs and water level probes.

Because of the high temperature of these surfaces,

the precipitated minerals bake onto them and

become very difficult to remove.

This phenomenon causes several problems:

1. Reduce the heat transfer efficiency of the

heaters.

2. Cause premature failure of the heaters.

3. Water level probes will give false readings.

4. Thermostat bulbs will sense temperature

incorrectly.

These problems are common to any manufacturer's

steamer regardless of design, but they can all be

prevented by furnishing the steam generator tank

with soft water. Vulcan recommends the water

contain less than 60ppm of “total dissolved solids”

(TDS) and have a PH factor between 7 to 8. These

water properties can be achieved by using a

properly maintained water softener.

Other chemical properties in water supplies can also

affect good steam generation and vary from within

each state and locality.

The water level probes in the steam generator tank

use ions in the water to detect the water level.

not use

fully demineralized or de-ionized water

since it is "non conductive" and the water level can

not be detected.

NOTE:

The use of strainers, or fibers will not

remove minerals from the water.

Therefore, it is recommended that a local water

treatment specialist be consulted before the

installation of any steam generating equipment.

Steamers that operate over a long period of time

without the benefit of a water softener, which have

developed a heavy scale build up, should be

cleaned before using a water softener.

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Vulcan VSX3E User Manual Page 5

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