OWNER’S MANUAL
MODEL DH5F-333WND – HHC FOR WENDY’S MODERN LAYOUT
MODEL DH5G-3333WND AND DH5H-3WND – HHC FOR WENDY'S IMAGE LAYOUT
162880 RV021814
Copyright © 2013 Marshall Air Systems, Inc.
All Rights Reserved.
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CONTROLLER POWER UP:
1. Upon power up, the controller will briefly show the software version and then go to preheat
mode and the display will show "PHt"
PREHEAT:
1. The controller will stay in preheat mode ("PHt") for the entire preheat period (preheat time
parameter) even though both heaters (top and bottom) have reached set points before the end
of that period. If the controller is inadvertently turned OFF and back ON, the preheat period can
be bypassed by a 3 second press of the down arrow button only if both heaters are within the
allowed differential temperature set points (preheat bypass temperature parameter).
2. After preheat, the controller goes into idle mode "---". At this time, any timer can be started.
HOLDING TIME CYCLES:
1. To start a cycle, press a timer start/stop button. The display will show the holding time value in
minutes and starts the countdown. The LED bars for that timer channel will then light steady
green.
2. When the timer reaches the pre-alert value, the display will then alternate between showing the
remaining time and "drP" for DROP, the LED bars will start flashing and a beeping will start.
The user then has to acknowledge the pre-alert by a press of the timer start/stop button. The
display will then flash the remaining time for the rest of the cycle, the LED bars will go back to
steady and the beeping will stop.
3. If a second timer paired with the first one is started, its display will show the holding time value
in minutes and then starts its countdown. The LED bars will turn steady red to indicate that the
associated product pan is the back up and is not to be used yet.
4. When the first timer reaches the "000" value, the display will flash "000", the LED bars will flash
red and the beeping will start until the user acknowledges the end of the cycle by pressing the
timer start/stop button. The timer will then go back to idle mode "---", the led bars will turn OFF
and the beeping will stop. Then, the paired timer channel LED bars will switch to green
indicating that the associated product pan is now to be used.
5. Any holding cycle can be cancel at any time by a
U
3 second press
U
of the timer start/stop button.
6. If at any time during normal operation, one heater’s temperature is falling or rising out of the
allowed differential from set point (ready mode differential parameter), the displays will alternate
between current mode and "LO" or "HI" to alert the user that the heater’s temperature is too low
or too hi. This should remain until the heaters are back within the allowed differential.
CURRENT TEMPERATURES DISPLAY:
1. To view the heaters current temperature, press and hold the temperature button for 3 seconds.
The display will then alternate between "toP" for top heater and its current temperature value.
2. To view the bottom heater current temperature, press the temperature button again. The
