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OWNER’S MANUAL 

 

MODEL DH1-1010 SERIES – HEATED HOLDING UNIT 

 

174830 RV120817 

Copyright © 2017 Marshall Air Systems, Inc. 
All Rights Reserved. 

PRE-INSTALLATION 
 

1.  The heated holding cabinet is packaged to minimize the risk of shipping damage. Immediately 

upon receipt, make certain to inspect the unit(s) for damage. 

FILE ALL CLAIMS WITH THE 

FREIGHT CARRIER. 

 

2.  Unpack and inspect the nugget cabinet. 

IF ANY CONCEALED DAMAGE, FILE ALL CLAIMS 

WITH THE FREIGHT CARRIER. 

 
FINAL INSTALLATION 
 

1.  Unpack unit and remove all protective paper or plastic covering from metal parts. 
 
2.  Place holding unit on stable base. 
 
3.  Plug unit into 208v L14-20 rated receptacle.  Refer to the General Specifications on the front 

page of the manual to find out amp load of your model. 

 
4.  Installation shall comply with the latest version of the National Electrical Code, NFPA 70. 
 

CONTROL USER INTERFACE  

 
Each deck in the unit is controlled by an independent time/temperature controller. 

 
 
 
 

 
 
 

 
 
 

 
 
 
 
 
 
 

CONTROL OPERATION: 

 
CONTROLLER POWER UP: 

 
1.  Turn on the power switch of deck(s) to be used.  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 

Left Channel Display

 

Right Channel Display

 

Left channel 

timer start/stop 

button

 

Right channel 

timer start/stop 

button

 

Temperature button

 

Up & 

Down 
Arrow 

Buttons

LED Indicator Lights 
Left

 

Channel 

LED Indicator Lights 
Right

 

Channel

 

On/Off 
Switch

 

Summary of Contents for DH1-1010 Series

Page 1: ...tor assemblies This DH5 Heated Holding Unit series can accommodate up to two half sheet or one full sheet pan per deck It also features a time temperature controller for each deck in the unit These in...

Page 2: ...BRASIVE CLEANER DO NOT IMMERSE IN WATER FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE AVERTISSEMENT Ne pas entreposer...

Page 3: ...FINAL INSTALLATION 1 CONTROL USER INTERFACE 1 CONTROL OPERATION 1 2 CONTROL PROGRAMMING HOLDING TIME 2 3 CONTROL PROGRAMMING GENERAL SETTINGS 3 4 DAILY MAINTENANCE 4 MONTHLY MAINTENANCE 4 5 CONTROL T...

Page 4: ......

Page 5: ...f the manual to find out amp load of your model 4 Installation shall comply with the latest version of the National Electrical Code NFPA 70 CONTROL USER INTERFACE Each deck in the unit is controlled b...

Page 6: ...pplicable to controls that are set to interdependent group configuration See Group Configuration into Programming General Settings for more information If a subsequent timer cycle is started while pre...

Page 7: ...idle mode 5 If necessary repeat for other channels CONTROL PROGRAMMING GENERAL SETTINGS NOTE Programming mode can only be access while unit is in preheat PHt mode or idle mode No timer activated To a...

Page 8: ...hich channel s will have the product name feature activated First select channel to be edited the choose between yes to display product name or no to display holding time Note that the user can press...

Page 9: ...TCH TURNED OFF BY ACCIDENT POWER DISRUPTION BY THUNDERSTORM ETC B PRESS AND HOLD DOWN ARROW FOR 3 SECONDS TO CLEAR PHt CYCLE 2 UNIT WILL NOT TURN ON A UNIT UNPLUGGED A PLUG IN UNIT B IS CONTROLLER ON...

Page 10: ...URE SET POINTS ARE TO HIGH A ADJUST TO LOWER TEMPERATURE SET POINT SEE PROGRAMMING SECTION 6 UNIT FLASHES Pr LO TEMPERATURE LOW A EXCESSIVE AIR DRAFT S A SHIELD DRAFT S B LOOSE WIRE IN ELECTRICAL CABI...

Page 11: ...D SENSOR B REPLACE SENSOR C BAD CONTROLLER C REPLACE CONTROLLER 10 TIMER COLOR LEDS NOT ILLUMINATING A BAD CONTROLLER A REPLACE CONTROLLER 11 ERROR dft ON POWER UP A INTERNAL MEMORY DAMAGED A REPLACE...

Page 12: ...L14 20P Main power cord Damaged cord can cause unit to stop operating and should be replaced 156008 Element 208V Rebend Top heater element Two elements are used for each top heaters Bad element could...

Page 13: ...temperature If a RTD sensor goes bad or is disconnected its associated controller will beep and the display will flash either oPn or SHt to indicate failure 502425 Switch Double Pole A bad switch cou...

Page 14: ...ved RV120817 174830FIG1 D E T S I L K E T R E T N I CM US C OVERALL DIMENSIONS DH1 1010 SERIES FIGURE 1 2 TWO CHANNELS CONTROLLER 12 4 CORD WITH NEMA L14 20 PLUG EXIT FROM TOP ADJUSTABLE FEET 28 875 3...

Page 15: ...4834 5 1 FAN COOLING ASBY 171132 6 4 LEG ASBY 4 158911 7 2 ASBY HEAT GUARD 174835 8 2 BLANKET BOTTOM HEATER 502978 9 4 SENSOR RTD 48 502064 10 4 ELEMENT TOP HEATER 2 PER HEATER 156008 11 1 1 CONTROL D...

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