Filter
Top Products
VL SERIES STEAMERS - GENERAL
Pa
g
e 5 of 88
This causes several problems:
1. Reduce the heat transfer efficiency of the
heatin
g
system.
2. Cause premature failure of Electric heaters.
3. Water level probes will
g
ive false readin
g
s.
4. Thermostat bulbs will sense temperature
incorrectly.
These problems are common to any manufacturer's
steamer re
g
ardless of desi
g
n, but they can all be
prevented by furnishin
g
the boiler 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 usin
g
a properly maintained
water softener.
Other chemical properties in water supplies can also
affect
g
ood steam
g
eneration and vary from within
each state and locality.
The water level probes in the boiler use ions in the
water to detect the water level. Do 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 filters will not
remove minerals from the water.
Vulcan recommends that a local water treatment
specialist be consulted before the installation of any
steam
g
eneratin
g
equipment.
Steamers that operate over a lon
g
period of time
without the benefit of a water softener, which have
developed a heavy scale build up, should be
cleaned before usin
g
a water softener.
TOOLS
Standard
Standard set of hand tools.
Volt-Ohm-Meter (VOM) with AC current tester.
(Any quality VOM with a sensitivity of at least
20,000 ohms per volt can be used)
Gas leak checkin
g
equipment.
Gas pressure manometer
Temperature meter and thermocouple.
Special
CLR Treatment Kit - Used to remove
Calcium/Lime/Rust from a boiler (Contact
Vulcan Authorized Service Centers ).
Adaptor to test thermocouple closed circuit
volta
g
es (DC) on
g
as models with manual
i
g
nition (purchase locally).
NOTE: Adaptors vary between manufacturers. An
example of one adaptor type is pictured below.
SPECIFICATIONS
Water Supply
Supply pressure should be 20-80 psi
g
In line strainer for supply line (Not Supplied)
Supply connection cold
Total dissolved solids (TDS)* less than 60 ppm
Total alkalinity less than 20 ppm
Silica less than 13 ppm
Chloride less than 30 ppm
PH factor 7 to 8
(*17.1 ppm = 1
g
rain of hardness)
Steam Supply
Dry steam must be provided to the steamer for
suitable use. If the steam is heavy with condensate,
a Ball Float Trap must be used in the line and
plumbed in before the pressure reducin
g
valve. To
ensure rapid heat up of heavy cold loads, the steam
supply line must be sized to maintain pressure as
outlined below.
DIRECT STEAM
STEAMERS
(POTABLE)
REGENERATED
STEAMERS -
OLDER MODELS
(*NON-POTABLE)
Supply
Pressure Input
15 psi (min.) 15 psi (min.)
Flow Rate 50 lb. per hour per
compartment
125 lb. per hour
Pressure
Reducing Valve
Output
10 psi (furnished) set accordingly for good
steam generation (10-
12psi)
*Potable steam is not required for regenerated models but could
be used.