Fulton Vertical Tubeless (FT-A) Thermal Fluid (hot oil) Heater - Manual (Page 53)

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SECTION 3
FTA-IOM-2013-0227
OPERATION
3-13
4
WARNING
All information in this manual is for
reference and guidance purposes,
and does not substitute for required
professional training, conduct,
and strict adherence to applicable
jurisdictional/professional codes and
regulations.
Non-Fulton product information is for
reference purposes only. No Fulton
document may substitute for full
review of documentation available
from the component manufacturer.
4
CAUTION
Do NOT leave unit unattended in
Manual Operation, in this mode the
LMV51 will ignore its internal Set Point.
Blower Motor Starter
NOTE: For units equipped with manual trip test button or motor starter.
1. While fi ring, actuate the manual trip button on blower motor starter. Unit
should lock out. Attempt re-start by resetting the fl ame programmer.
Purge cycle will not begin.
2. Reset motor starter; blower should start and purge cycle will begin.
3. Lockout of fl ame programmer will occur.
Pump Motor Starter
If a pump starter is supplied the pump motor starter will be located in the heater
panel or pump skid. When the pump start button is pushed, the pump motor
starter will engage the pump.
1. While fi ring, actuate the manual trip button on the pump motor starter.
2. Pump and burner will shut down.
3. The blower should continue to run for approximately 30 seconds.
4. Attempt to restart pump by depressing the pump start push button.
5. The pump should not start. Reset starter and start pump.
Diff erential Pressure Switch
The diff erential pressure switch (Figure 19) is mounted to the heater panel.
Sensing lines connect this switch to both the inlet and outlet manifold of the
heater. This switch is critical and ensures proper fl ow through the heater at all
times.
FIGURE 19 - DIFFERENTIAL PRESSURE SWITCH
1. Proper setpoint is 2 psi below the published diff erential pressure of the
heater.