25
309085
Operation
Reading the Electrical Control Panel Indicators
Use the table and Fig. 9 below to read the indicators on the electrical control panel.
Light Indicator:
Indicator
Light is:
Meaning:
AB
Control On
ON
Power is on.
OFF
Power is off.
DIMLY LIT There may be a problem with the system power connections. Have connec-
tions checked by a qualified electrician before attempting to start the sys-
tem.
AC
Heat On
ON
The CONTROL ON switch (U) is set to either the ON or AUT O position and
power is being supplied to the electrical control panel components.
OFF
The CONTROL ON switch (U) is set to the OFF position.
AD
High
Temperature
Alarm
ON
The temperature of any of the heated components is out of range, and the
power to all heated components is interrupted. For more information, see
Temperature Out of Range on page 26.
OFF
None of the heated components have temperatures that are out of range.
AE
Auto Heat Off
ON
The Inactivity Timer has turned off the heat for the supply unit, due to inac-
tivity. See
Resetting the Supply Unit After the Inactivity T imer (Worklife
Timer) Has Been Triggered on page 26 for instructions on restarting the
supply unit.
OFF
The supply unit is functioning normally.
AF
Pump Ready
ON
The temperature of all zones is within within the operating window. The air
solenoid to the pump motor is energized.
OFF
One or more zones have not reached the normal operating window. The air
solenoid to the pump motor is not energized.
W
9513A
Fig. 9
AB
AC
AD
AE
AF
R
A
B
G
Summary of Contents for Therm-O-Flow Plus
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Page 28: ...28 309085 Advanced Pendant Control Screen Map TI0683 See Next Page...
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Page 60: ...60 309085 Service For 400 480 and 575 VAC Supply Units Junction Box Schematic Fig 18 TI0673...
Page 61: ...61 309085 Service For 240 VAC Supply Units Junction Box Schematic Fig 19 TI0673...
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