Form No. GRPWSM-0719
14
English
OPTIONS AND ACCESSORIES
Digital Temperature Controller
The digital temperature controller is factory installed and takes
the place of the standard control panel. Use the following
procedure to operate the digital temperature controller.
Startup
1. Move the Power I/O (on/off) switch(es) to the
I
(on) position.
• The corresponding digital temperature controller will
energize and the current temperature of the shelf or
“LO” will appear on the digital display. “LO” indicates
the shelf temperature is below
70°F (21°C).
2. Press the
key three times to verify the setpoint
temperature. (“SP” will be displayed after the second press.)
• The setpoint temperature will be shown for 10 seconds.
After 10 seconds, the digital display will revert to
the current temperature of the unit. To change the
setpoint temperature, refer to “Changing the Setpoint
Temperature” in this section.
NOTE: The digital temperature controller is pre-set to a setpoint
temperature of 185°F (85°C) at the factory. Once the
setpoint temperature is changed, the new setpoint
temperature will remain in memory until it is changed
again. The minimum to maximum setpoint temperature
range is 70°F (21°C) to 200°F (93°C).
CAUTION
BURN HAZARD: Some exterior surfaces on unit will get
hot. Use caution when touching these areas.
3. Allow unit 15–20 minutes to reach operating temperature.
Shutdown
1. Move the Power I/O (on/off) switch to the
O
(off) position.
The digital temperature controller and heating elements
will shut off.
Changing the Setpoint Temperature
Use the following procedure to change the setpoint temperature.
1. Press the
key three times. The current setpoint
temperature will be shown on the digital display (“SP” will
be displayed after the second press).
2. Press the
key or
key within 10 seconds to change
the setpoint temperature.
3. Press the
key to lock in the new setpoint temperature.
The digital display will go blank for two seconds to show
that the new setting has been accepted.
NOTE: After 10 seconds of inactivity during the programming
process, the controller will exit programming mode
automatically without saving any changes.
Changing Fahrenheit and Celsius Setting
Use the following procedure to change between Fahrenheit
and Celsius on the display.
1. Press the
key once. Either an “F” for Fahrenheit or “C”
for Celsius will be displayed.
2. Press the
key or
key within 10 seconds to change
between “F” (Fahrenheit) and “C” (Celsius).
3. Press the
key three times to lock in the new setting.
The digital display will go blank for two seconds to show
that the new setting has been accepted.
NOTE: After 10 seconds of inactivity during the programming
process, the controller will exit programming mode
automatically without saving any changes.
Digital
Temperature
Controller
Power I/O (on/off)
Switch
Control Panel with Digital Temperature Controler
Halogen Display Light Bulbs
Shatter-resistant halogen display light bulbs
can be ordered in place of the standard
incandescent display light bulbs. The bulbs
have a special coating to guard against
injury and food contamination in the event
of breakage. For 120 and 120/208–240 volt
applications, use Hatco P/N 02.30.081.00.
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