— 12 —
FLUID REPLENISHMENT
CAUTION: Use only supplied Thermodyne
Heat Transfer Fluid.
: Disconnect the electrical
power to the hot well and perform
LOCKOUT/TAGOUT procedure.
CAUTION: The cabinet and the hot well may
be hot, allow them to cool before beginning
this procedure.
1. Move the Hot Well power ON/OFF switch to
its OFF position. DO NOT turn the oven off.
2. Using the handle, raise the hot well to gain
access to the power head.
3. Place the safety catch in its holder.
Safety
Catch
Figure 9: Hot Well in Raised Position
4. Remove the reservoir tank cap.
Reservoir
Tank
Observe ADD FLUID light.
Reservoir
Tank Cap
Figure 10: Reservoir Tank Replenishment
5. Fill reservoir tank until oven controller ADD
FLUID light turns off.
6. Re-install the reservoir tank cap and fill cap
cover.
NOTE: If the ADD FLUID Light remains on after
the Thermodyne unit has been filled, refer
to TROUBLESHOOTING.
Summary of Contents for 742HW
Page 18: ...18 SCHEMATIC WIRING DIAGRAM...
Page 20: ...20...
