THERMODYNE 1600NDNL, Международное руководство по обслуживанию

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SNAP DISC
The Snap Disc is located on the Heater Tank
and provides over temperature protection for
the unit.
NOTICE: In BWSNDNL models the B&G Pump
and Heater Tank are located at the back of the
unit. Removal of the Back Panel is required
when servicing the B&G Pump or Heater Tank
Components.
1. Follow the LOCKOUT/TAGOUT procedure
using the procedures provided in the Lockout/
Tagout Procedures section of this manual.
2. Remove the Power Head Lid following the
instructions provided in the Panels and
Covers section of this manual.
3. Remove the left side panel using the procedures
provided in the Panels and Covers section of
this manual.
4. Locate the Drain Tube and place it into an
empty pan.
5. Remove the Heater Tank Cap and the Reservoir
Cap.
6. Open the Drain Valve to drain the Heat Transfer
Fluid.
7. Discard the drained fluid; refer to the Material
Safety Data Sheet provided in this manual for
proper disposal of fluid.
8. Tag and disconnect the Snap Disc wires.
Heater Tank
Cap
Reservoir
Cap
Snap Disk
Figure 22: Location of Snap Disc
9. Remove the defective Snap Disc.
10. Install the new Snap Disc.
11. Referring to the tags or circuit schematic
reconnect the wires to the Snap Disc.
12. Restore power to the unit.
13. Close the fluid Drain Valve.
14. Fill the Heater Tank and Reservoir Tank with
fluid until the Low Fluid Light goes out.
15. Ensure that are no leaks around the newly
installed probe, tighten as needed.
16. Remove the unit from its power source.
17. Reattached the Side Panel and Power Head
Cover.
18. Restore power to the unit and verify the unit
is operating correctly. It may be necessary to
add additional fluid after the unit has operated
for several minutes.
WARNING
Before removing any sheet metal panels
or servicing this equipment, always
perform the Electrical LOCKOUT/TAGOUT
Procedure. Be sure all circuits are
disconnected. Failure to comply with this
procedure can cause property damage,
injury or death.
WARNING
Certain components may be hot if the
unit was in operation prior to performing
a procedure. Allow the unit to cool before
beginning work.
WARNING
Before servicing the plumbing system the
heat transfer fluid must be drained from the
system.
THERMOCOUPLE
The Thermocouple is located on the Heater
Tank.
NOTICE: In BWSNDNL models the B&G Pump
and Heater Tank are located at the back of the
unit. Removal of the Back Panel is required
when servicing the B&G Pump or Heater Tank
Components.