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VPX SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTS
F25111 (March 2002)
Page 13 of 20
VOLTAGE
KW PER
ELEMENT
AMPS PER
ELEMENT
OHMS PER
ELEMENT
1 PH 3 PH
208 3 14.4 8.3 14.4
240 3 12.5 7.2 19.2
480 3 3.6 76.8
208 5 24.0 14.0 8.70
240 5 21.0 12.0 11.5
480 5 6.0 46.0
NOTES:
1. Values in the table are nominal.
Tolerance is +5/-10%.
2. Voltage values are @ 60HZ.
3. Each heating element assembly
contains 3 elements. Total KW would
be the individual element KW times 3.
4. Resistance values (ohms) are @ room
temperature.
TEMPERATURE CONTROL
CALIBRATION
To set the temperature control for optimum steamer
operation, the elevation above sea level for the
service location must
first be determined.
The elevation is used in conjunction with the
elevation table below, to determine the correct set
point temperature for the control.
NOTE:
If the set point temperature is too high, the
excess boiling action will cause water droplets to
exit the steam vent pipe, and cause high water
usage.
1. Remove right side panel as outlined under
"COVERS AND PANELS".
2. Place a thermocouple approximately one inch
down in the center of steam vent pipe.
3. Turn steamer on by selecting "continuous"
mode.
4. Allow steamer temperature to stabilize by
completing two heating cycles.
5. Record the temperature reading when "heater"
light goes out.
6. Using the elevation table, compare the
recorded
temperature to the temperature listed
for the specific elevation.
NOTE:
Use temperature scale on control dial plate
for reference only. The scale represents dial turns in
1°F increments, not the actual temperature. When
calibrating, use the recorded temperature taken
from thermocouple.
ELEVATION
(FT)
TEMPERATURE
(°F)
Sea Level 210
1,000 208
2,000 206
3,000 204
4,000 202
5,000 200
6,000 198
7,000 196
8,000 195
9,000 or above 194
A. If the set point temperature of the control
is correct, no adjustment is necessary.
B. If the set point temperature of the control
is not correct, adjust the temperature
control. Repeat step 4 until the correct
temperature is achieved.
1) Turn the temperature control dial
clockwise
to increase temperature or
counterclockwise
to decrease
temperature.