OWNER’S MANUAL
MODEL DH5-3 & DH5-3B – HEATED HOLDING UNIT
160805 RV110612
2
Copyright © 2012 Marshall Air Systems, Inc.
All Rights Reserved.
The following is the user interface layout:
TIMER FUNCTIONS
The factory set hold time is 45 minutes with the alert happening at the 40:30 minute time (10% of holding time). If a
new setting is required, follow the instructions in Figure 3 to adjust the settings.
TIMER DISPLAY
"PrE" "hEt" The holding unit has not reached ready mode for holding (factory set for 30 minutes).
“----“
Holding unit has reached ready mode for holding but timers not active.
“42”
Timer active, hold time remaining (flashes last 10% of the holding period with an audible alert at the
start of the last 10%).
“000”
Holding period has elapsed. Product to be discarded (flashes with audible alert).
DISPLAY TEMPERATURE
The unit has two heaters, top and bottom. Press the temperature button to display the upper heater temperature.
The left display will show "uP" for the upper heater while the right display shows the temperature. Press the
temperature button again to display the lower heater temperature. The left display will show "Lo" for the lower
heater while the right display shows the temperature. Press and hold the temperature button to exit to previous
state.
Left Pan
Timer Button
Temperature Button
Left Pan Display
Middle Pan Display
Right Pan Display
Middle Pan
Timer Button
Right Pan
Timer Button
Up & Down Arrow
Buttons