Table of Contents
Advertisement
Status Indicator Lights
Pump Reverse Indicator Light
Pump Forward Indicator Light
Heater On Indicator Light
Cool Solenoid Indicator Light
Vent Solenoid Indicator Light
Mode Indicator Lights
Power On Mode Indicator Light
Page 42
Use the status board to optimize unit performance. For example, if
you observe a rapid cycling of the
indicators, the unit is operating with a process inefficiency; see the
Troubleshooting chapter for more information.
What follows is a description of system status board indicators.
The
Pump Reverse
runs in reverse.
The
Pump Forward
pump runs in the normal forward direction. This indicator typically
illuminates continuously during normal operation.
The
indicator illuminates when the heater energizes.
Heater On
This indicator illuminates intermittently when the controller
energizes and de-energizes the heater as the heating cycle requires.
The
Cool Solenoid
indicator illuminates when the cooling
solenoid energizes. This indicator illuminates intermittently as the
controller energizes the cooling solenoid; it is used only on the
optional heat exchanger.
If the Autovent option is present. The
illuminates when the venting solenoid energizes during venting
sequences.
Select the unit operating mode by using the selection switch.
The
mode indicator light illuminates to indicate that the
Power On
control circuit is energized in the unit.
TDH-6 Series Hot Oil Large Temperature Control Units
Heater
indicator light illuminates when the unit pump
indicator light illuminates when the unit
Vent Solenoid
and
Cool Solenoid
indicator
Advertisement
Table of Contents
