Vulcan-Hart VULCAN - 36ESB Oven User Manual


 
SERVICE PROCEDURES AND ADJUSTMENTS
Certain procedures in this section require electrical test or measurements while
power is applied to the machine. Exercise extreme caution at all times and follow Arc Flash
procedures. If test points are not easily accessible, disconnect power and follow Lockout/Tagout
procedures, attach test equipment and reapply power to test.
INFINITE SWITCH TEST (208V/
240V)
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
NOTE: Refer to AI3829 in WIRING DIAGRAMS for
switch terminal locations.
1. Remove
FRONT PANEL.
2. Connect a voltmeter to the output terminals H1
and H2.
3. Reconnect power to machine.
4. Turn knob to the desired setting.
5. Compare the percentage of ON time to OFF time.
NOTE: ±7.5% tolerance allowable.
Knob
Setting
% on Time
Seconds
on
Seconds
off
Hi 100 ALL 0
Med. 48 15 15
Low 37 8 14
Med. Low 28 7 24
Very Low 7 3 33
6. If the percentage is not correct, replace the
switch as outlined under INFINITE SWITCH / 3
HEAT SWITCH.
3 HEAT SWITCH TEST (480V)
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
NOTE: Refer to AI3830 in WIRING DIAGRAMS for
switch terminal locations.
1. Remove FRONT PANEL.
2. Reconnect power to machine.
3. Check input voltage at L3 and L2 on the switch
terminals.
4. Check for the correct output voltage at the output
terminals for all knob settings of the switch.
Knob Settings
L3 Input -
Output at
Terminal(s)
L2 Input -
Output at
Terminal(s)
High 1 & 3 2
Med 1 2
Low 1 3
5. If the voltages are not correct, replace the switch
as outlined under INFINITE SWITCH / 3 HEAT
SWITCH.
RACK SPRING TENSION
ADJUSTMENT
1. Access the springs on the bottom of broiler.
2. Tighten nut to adjust rack spring tension. Adjust
both springs equally so there is approximately
3/4" of thread above the nut. If additional rack
spring tension is required, tighten each nut an
additional 2-3 turns.
3. Check for proper operation.
SALAMANDER ELECTRIC BROILER - SERVICE PROCEDURES AND ADJUSTMENTS
Page 9 of 14 F45545 (0315)