wc_tx001951gb.fm
60
Operation E 3000
4.19 Preheating the HTF
NOTICE: Starting the machine with frozen or partially frozen Heat Transfer Fluid
(HTF) will permanently damage the pumps. Preheat the HTF when ambient air
temperature is below -26°C (-15°F).
Requirements
HTF reservoir full
Machine powered up
Procedure
Follow the procedure below to preheat the HTF.
1. Use the up and down arrows (a) on the temperature controller to set the HTF
temperature to 100°F (40°C). This is the set point temperature.
2. Move the burner ON-OFF switch (b) to the ON position. The following sequence
occurs:
a.The burner motor starts after a 5-second delay.
b.The burner fires after a 15-second delay.
c.The burner will operate, with little or no visible exhaust smoke, until the HTF
reaches the set point temperature, at which time, the burner will stop firing.
d.The burner will re-fire if the set point temperature is increased or the
temperature of the HTF falls below 100°F (40°C).
Note: The temperature of the HTF is displayed (b) in red.
Result
When the temperature controller displays “100.0” (b) the HTF is preheated.
ghi_gr006377
b
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