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Maintenance 

Cleaning 

WARNING 

UNPLUG THE PROOFER BEFORE CLEANING 

 
 
To provide the proper atmosphere for proofing or holding Lang has designed a sealed cabinet.  A 
characteristic of the unit is an accumulation of water on the bottom of the cabinet.  This 
accumulation should be removed daily.  This is easily accomplished.  Simply remove the pan slides 
from each side and lift out the floor.  Sponge out any excess accumulation of water. 
 
Many water supplies are laden with minerals.  Over time, the minerals build up on the pan.  Use 
soap and water to clean the pan.  To remove any heavy mineral built up, soak the pan in a vinegar 
and water solution. 
 
The body of your Lang Proofer/Holding cabinet is constructed entirely of stainless steel.  Very little 
maintenance is required.  Periodically clean the unit with a hot soap and water solution or 
commercial stainless steel cleaner. Wipe the interior of the proofer with a mild soap and water 
solution and rinse with clear water 
 
The doorframe is anodized aluminum.  When cleaning make certain the solution is not caustic and 
states “safe on Aluminum.”  A hot soap and water solution is all that is necessary to clean the door 
and window.  Do not use a window cleaner which contains ammonia.  Very small amounts of 
ammonia will damage the magnetic door seal and require it be replaced. 
 
 

Calibration 

Calibration of your Lang Proofer/Holding Cabinet will never be necessary.  Unlike conventional 
thermostats, that change over time, your Lang Proofer/Holding cabinet never needs calibration 
because it is solid state controlled. 
 
 
 
 

Summary of Contents for PFL 120

Page 1: ...10 Sunnen Drive St Louis MO 63143 3800 Part Number 2M W742 Ph 314 678 6314 Fax 314 781 2714 Rev A www langworld com May 21 2007 Installation Operation Maintenance and Service Instructions Hinged Proo...

Page 2: ...Installation 3 RECEIVING THE APPLIANCE 3 DATA PLATE INFORMATION 3 ELECTRICAL CONNECTION 4 Operation 5 CONTROLS 5 STARTUP 5 PROOFING GENERAL 5 PROOFING SPECIFICS 6 HOLDING CABINET 6 Maintenance 7 CLEA...

Page 3: ...t within 15 days of delivery All packing material should be kept for inspection Do not return damaged merchandise to Lang Manufacturing Company File your claim with the carrier Uncrate the appliance a...

Page 4: ...d supply and 16 7 amps Supply wire size must be 14 gauge or larger to carry the load for one proofer The plug type is NEMA S 20P match the plug to the corresponding NEMA S 20R for the receptacle recep...

Page 5: ...osition 3 Set the Temperature Dial to the desired temperature 4 Set the Humidity Dial to the Medium position adjust as necessary to gain the desired humidity 5 Allow the proofer to preheat for 1 hour...

Page 6: ...ofing temperatures are used for products such as breads and rolls Never exceed 105 F temperatures over 107 F will kill the fermentation process of the yeast 6 A product has fully proofed when it doubl...

Page 7: ...ng cabinet is constructed entirely of stainless steel Very little maintenance is required Periodically clean the unit with a hot soap and water solution or commercial stainless steel cleaner Wipe the...

Page 8: ...MR120 208 240 24V40VA 1 PFL 120V 2E 40101 19 CIRBD SI TEMP CNTRL NO 1 PFL 120V 2E 41100 19 SENSOR PROOFER450o CONN 1 PFL 120V 2J 30801 01 TIMER MECHANICAL LONG 1 PFL 120V 2J 31601 09 PILOT LAMP 120V B...

Page 9: ...9 Wiring Diagram...

Page 10: ......

Page 11: ......

Page 12: ...STAR INTERNATIONAL HOLDINGS INC COMPANY Star Holman Lang Wells Bloomfield Toastmaster 10 Sunnen Drive St Louis MO 63143 U S A 314 678 6303 www star mfg com...

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