Boiler Blowdown And Steamer Shut Off - Vulcan-Hart VSX24G Service Manual

VSX BOILER BASE SERIES CONVECTION STEAMERS - STEAMER OPERATION
D. After approximately 15 minutes, steam
should be present for cooking product.
Observe that the boiler pressure gauge
indicates steam pressure of 8-10 psi.
Electrically Powered Steam Boiler
1. Open the cabinet door and turn main power
switch ON.
2. The red light will illuminate, water will begin filling
the boiler and the blowdown solenoid valve will
close.
• The boiler should fill in 4 to11 minutes.
3. Observe water level gauge glass:
• Verify that water is in boiler.
• Gauge glass is about half full.
NOTE: Both valves on gauge glass assembly must
be open to fill the gauge.
NOTE: On older models equipped with a manual
"ball" type blowdown valve, the valve must be closed
for the boiler to fill.
4. If the water level in the boiler has reached the
minimum level:
• The magnetic contactors will close.
• The heaters will energize and begin to heat
the water in the boiler.
A. Observe that the boiler pressure gauge
indicates steam pressure of 11-13 psi.
B. After approximately 15 minutes, steam
should be present for cooking product.
Direct Steam Powered Cooker
1. Open the cabinet door and turn main power
switch ON.
• The red light on the switch will illuminate.
2. If steam pressure is above the minimum setting
on the cooking compartment pressure switch:
• The pressure switch will close.
• The ready light will come ON.
• Power is supplied to other controls.
3. Observe that the steam pressure gauge in the
cabinet base indicates 10-12 psi.
4. Steamer is ready to cook product.
Regenerated Steam Powered Boiler
1. Open the cabinet door and turn main power
switch ON.
• The pilot light will illuminate.
F24627 (0916)
NOTE: On older models equipped with a manual
"ball" type blowdown valve, the valve must be closed
for the boiler to fill.
• Water will begin filling the boiler.
• The blowdown solenoid valve will close.
2. The boiler should fill in approximately 15 minutes.
NOTE: Both valves on the gauge glass assembly
must be open to fill the gauge.
3. Observe water level gauge glass:
• Verify that water is in boiler.
• Gauge glass is about half full.
4. When the water reaches the minimum level, the
steam solenoid valve will open, allowing steam to
enter the steam coil in the heat exchanger tank
and begin heating the water.
5. After approximately 20 minutes, a sufficient
amount of pressurized steam should be present
for cooking product.
Boiler Blowdown and Steamer Shut
Turn the steamer off at least once daily and blow down
the boiler to remove sediments, scalants and lime
build-up in the boiler. Always blowdown the boiler
when it is under maximum pressure and no steam is
being used.
1. Automatic Blowdown (Newer Models)
A. Open the cabinet door and turn main power
switch OFF.
•
•
•
B. The cold water condenser solenoid will
continue to operate, as needed, to
condense steam and to cool the water going
into the drain.
2. Automatic Blowdown (Older Models)
A. Turn power switch OFF.
B. Depress blowdown timer button.
•
C. At the end of blowdown, turn fill switch to ON
and allow boiler to fill.
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Off
The red light will go out.
The blowdown/drain solenoid valve will
de-energize.
The boiler will begin to drain.
Blowdown timer will operate for 4
minutes.