Controls and Indicators
14
332144E
Controls and Indicators
Key
Name
Description
Heater Controls
AA
ISO Setpoint Increase
Increases the temperature setpoint by one degree in the units selected
within the setpoint limits. Press target key prior to adjusting.
AB
ISO Setpoint Decrease
Decreases the temperature setpoint by one degree in the units
selected within the setpoint limits. Press target key prior to adjusting.
AC
RES Setpoint Increase
Increases the temperature setpoint by one degree in the units selected
within the setpoint limits. Press target key prior to adjusting.
AD
RES Setpoint Decrease
Decreases the temperature setpoint by one degree in the units
selected within the setpoint limits. Press target key prior to adjusting.
AE
ISO Heater On/Off Key
Turns heater on or off for ISO zone. Also clears heater zone diagnostic
codes, see page 32.
AF
RES Heater On/Off Key
Turns heater on or off for RES zone. Also clears heater zone diagnostic
codes, see page 32.
AG
Actual Temperature Key
Press to display actual temperature. Press and hold to display electrical
current.
AH
Target Temperature Key
Press to display target temperature. Press and hold to display heater
control circuit board temperature.
AJ
Temperature Scale Key °F
Press to change temperature scale to degrees Fahrenheit.
AK
Temperature Scale Key °C
Press to change temperature scale to degrees Celsius.
AL
Temperature Display
Show actual temperature or target temperature of heater zones,
depending on selected mode. Defaults to actual at startup. Range is
32-170°F (0-77°C) for ISO and RES.
Heater Indicators
AM
ISO Heater Activity
LEDs flash when heater zones are on. The duration
of each flash shows the extent that the heater is
turned on.
AN
RES Heater Activity
LEDs flash when heater zones are on. The duration
of each flash shows the extent that the heater is
turned on.
AO
Actual Temperatures Active
Actual temperatures are displayed.
AP
Target Temperatures Active
Target temperatures are displayed.
AR
Fahrenheit Units Active
Indicates that temperatures are displayed in °F.
AS
Celsius Units Active
Indicates that temperatures are displayed in °C.
System Controls
AT
Heater Power
Enables heater control. The switch includes a 20 A circuit breaker.
AU
Motor Power
Enables motor. The switch includes a 20 A circuit breaker.
AV
Motor Pump Control Function Knob Selects operation mode / pressure setpoint. See Motor/Pump Control
Function Knob, page 15.
System Indicators
AW
Boost Heat Indicator
Indicates boost heat is active.
AX
Tank Level Indicator
See Tank Level Sensor LED, page 15.
AY
System Status Indicator
Flashes an error code if alarm or deviation is active. See Motor/Pump
Status Codes, page 15.