VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTS
Pa
e 23 of 88
10. Cookin
compartment timers are to be in the
OFF position. Turn the boiler switch ON and
open water valve if necessary.
11. Boiler is to operate under pressure for 90
minutes or per the instructions for the chemical
in use.
12. Drain boiler by normal methods.
13. Refill boiler and allow to heat until fully
pressurized.
14. Repeat step 13 three times.
15. The steamer is now ready for normal operation.
Deliming Only (Models with Deliming Port
Assembly)
Boiler delimin
should be performed on a weekly,
bi-weekly or monthly basis, dependin
on the quality
of the local water supply. See “WATER
CONDITIONING” under “GENERAL”.
On steamers usin
a water purification system,
follow the instructions for that system to delime the
boiler. Only use the type of chemical recommended
or described in the instructions for delimin
with this
type of system.
1. Turn steamer OFF and drain boiler.
2. Mix the delimin
solution accordin
to the
instructions for the chemical bein
used.
NOTE: Boiler water capacities vary between seven
to nine
allons for both
as and electric models
dependin
on the boiler size and BTU/KW ratin
.
NOTE: If delimin
solution accidently comes in
contact with steamer components, li
htly rinse off
with clean water.
A. Models with Blowdown Timer - Open
the delimin
assembly valve and pour the
delimin
solution into the port. Close the
delimin
assembly valve and proceed to
step 3.
B. Models without Blowdown Timer - Turn
off the incomin
water supply. Turn the
power switch ON to close the drain valve.
Open the delimin
assembly valve and
pour the delimin
solution into the port.
Close the delimin
assembly valve and
proceed to step 3.
3. Top compartments are to be in the OFF
position. Turn the boiler switch ON and open
water valve if necessary.
4. Boiler is to operate under pressure for 90
minutes or per the instructions for the chemical
in use.
5. Drain boiler by normal methods.
6. Refill boiler and allow to heat until fully
pressurized.
7. Repeat step 6 three times.
8. Steamer is now ready for normal operation.
Descaler
The descaler is accessible throu
h the hand hole
openin
. It is a coiled wire wound around a solid
cylindrical core, and han
s by an open loop from the
shell's horizontal stay rod, about 4 inches from the
front of the shell. If the wire is eaten throu
h, or if
the core of the descaler is eaten away to half its
ori
inal size, a new descaler should be installed.
To install a new descaler, stretch its wire coil so the
descaler han
s with its core completely below the
minimum water level in the boiler, but han
in
free.
The descaler must not contact the bottom of the
boiler shell, electric heatin
elements or
re
eneratin
steam coils.
