Middleby Marshall KIT P/N 36939 manual

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  • Page 1

    A MIDDLEBY COMP ANY Digital T emperature Controller (KIT P/N 36939) Installation, Programming and T roubleshooting Instructions Middleby Marshall Inc. • 1400 T oastmaster Drive • Elgin, IL 60120 • (847) 741-3300 • F AX (847) 741-4406 Middleby Corporation 24 Hour Service Hotline 1-800-238-8444 © 1997 Middleby Marshall Inc. Part # 36622 P 9/[...]

  • Page 2

    INST ALLA TION INSTRUCTIONS This manual provides instructions for conversion: from to Analog T emperature Controller (A), PN 28071-0012 (without high-limit and cool down function)................................ Analog T emperature Controller (A), PN 28071-0018 (with high-limit and cool down function)..................................... Digital T [...]

  • Page 3

    Unpacking The Digital T emperature Controller was checked before leaving the factory . Inspect the shipping container carefully for evidence of improper handling during shipment. In case of damage, make an immediate claim to the parts distributor from whom the unit was purchased. If the Digital T emperature Controller was shipped to you, notify the[...]

  • Page 4

    Installing the Digital Controller Step Procedure 1. Insert the Digital T emperature Controller into the same panel slot making sure the face of the controller is upright with the display on top and the push buttons on the bottom. 2.. Identify the two rectangular holes on top and bottom of the control case. Attach the two panel mounting brackets wit[...]

  • Page 5

    4 } 8 7 6 5 4 L2 L1 9 10 11 12 13 14 15 16 Connect To Connect To [13] [14] [15] [16] [1] [2] Remove From Remove From [5] [6] [L2] [L1] [G] 500 Not used on certain model gas and electric ovens. NO CONNECT FIGURE 2 - BACK SIDE OF TEMPERATURE CONTROLLER } 8 7 6 5 4 L2 L1 9 10 11 12 13 14 15 16 Connect To Connect To [13] [14] [15] [16] [1] [2] Remove F[...]

  • Page 6

    5. Check to be sure the oven’s thermocouple is the latest version flange mount style verses the obsolete version. See Figure 4 below . The obsolete thermocouple is not compatible with the latest temperature controller , p/n 36056, and must be replaced with the latest thermocouple, kit p/n 33984 (300 Series ovens), and kit p/n 33985 (200 Series ov[...]

  • Page 7

    6 PS200 Gas Oven, 208-240V , 50/60Hz, 1 Ph, 3W ...............................................................Figure 5 PS200 Gas Oven, 200V , 50/60Hz,1 Ph, 2W (Export Only)................................................Figure 5 PS200 Gas Oven, 208V , 50/60Hz,1 Ph, 2W (Export Only)................................................Figure 5 PS200 Gas O[...]

  • Page 8

    7 Figure 7 - Wiring Diagram Showing Electrical Connections (Refer to T able 2) Figure 8 - Wiring Diagram Showing Electrical Connections (Refer to T able 2) Figure 9 - Wiring Diagram Showing Electrical Connections (Refer to T able 2) Figure 10 - Wiring Diagram Showing Electrical Connections (Refer to T able 2) Figure 5 - Wiring Diagram Showing Elect[...]

  • Page 9

    Programming After the Digital T emperature Control has been properly installed and wired, it is ready to be programmed for either the standard on/off cycling gas solenoid/electric heating system, or the modulating gas valve system. Then, as requested by the customer , the controller can be set for set lock configuration, F or C operation, and the d[...]

  • Page 10

    Digital Temperature Controller PN 36056 Service instructions Push the lock key and the service key together to reach SP LOK, then use the service key to step through the other functions listed below. Use the arrow keys to change the function settings. Factory settings are as shown below. This function will record the highest ambient temperature of [...]

  • Page 11

    SERVICE KEY: Service use only SET PT: Lit when controller is displaying set point temperature. UP and DOWN arrow keys: Used to change the set point. Press UNLOCK & SET POINT keys simultaneously to unlock set point, UP & DOWN keys will now function for 60 seconds. If SET POINT will not change and lower display flashes then see below UNLOCK K[...]

  • Page 12

    Diagnostic Error Messages The controller runs background tests during normal operation. If a problem with the background tests occurs, an error message is shown (flashing) in the Display . These are called Diagnostic Error Messages (T able 3). Display Corrective Action rPLC rSET OPEn r TC Oven temperature has not reached at least 200˚F(93˚C) with[...]