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INTERNATIONAL 

SERVICE MANUAL

(04-14)

MODELS

200 NDNL

200 CT

250 PNDT

Thermodyne Foodservice Products, Inc.

4418 New Haven Avenue 

1-800-526-9182

Fort Wayne, IN 46803 

www.tdyne.com

300 NDNL

300 CT

300 OC

700NDNL

 700CT

725NDNL

950 NDNL

957NDNL

ADD FLUID

ADD FLUID

Out 1

Out 2

Out 1

Out 2

1600NDNL

BWSNDNL

Summary of Contents for 1600NDNL

Page 1: ...0NDNL 200CT 250PNDT Thermodyne Foodservice Products Inc 4418 New Haven Avenue 1 800 526 9182 Fort Wayne IN 46803 www tdyne com 300NDNL 300CT 300OC 700NDNL 700CT 725NDNL 950NDNL 957NDNL ADDFLUID ADDFLU...

Page 2: ...ional Electric Code and or other local electrical codes Failure to comply with this procedure can cause property damage injury or death WARNING Before connecting the unit to the electrical supply veri...

Page 3: ...rcuits are disconnected Failure to comply with this procedure can cause property damage injury or death WARNING Do not operate this equipment without properly placing and securing all covers and acces...

Page 4: ...uid Light 11 Temperature Controller 11 Cooling Fan 12 Power Cord 13 POWER BOARD COMPONENTS 13 Solid State Relay 13 230VAC Float Board 14 300NDNL TWELVE BUTTON TIMER 15 PLUMBING COMPONENTS 16 B G Pump...

Page 5: ...cal box cover to prevent someone from placing circuit breaker ON 3 Place a tag on electrical box cover to indicate that appliance has been disconnected for serviceandpowershouldnotberestoreduntil tag...

Page 6: ...amage injury or death Removing the Power Head Lid provides access to allofthecomponentsofthePowerHeadAssembly 1 Perform the ELECTRICAL LOCKOUT TAGOUT procedure 2 RemovethePhilipsscrewssecuringthePower...

Page 7: ...mponents 1 Cooling Fan 2 B G Pump 3 Reservoir Fill Cap 4 Reservoir Assembly 5 Contactor 6 Lighted Power Toggle Switch 7 Add Fluid Light 8 Temperature Controller 9 Solid State Relay 10 230VAC Float Boa...

Page 8: ...DELIVERY MANIFOLD COMPONENTS 7 3 4 2 1 6 5 Figure 4 Delivery Manifold Components 1 Delivery Line 2 Teflon Washer 3 Shelf Plug 4 Power Cord 5 Delivery Manifold Assembly 6 Short Teflon Hose 7 Shelf Elb...

Page 9: ...N MANIFOLD COMPONENTS 8 2 3 4 1 7 6 5 Figure 5 Return Manifold Components 1 Overflow Tube 2 Shelf Plug 3 Teflon Washer 4 Drain Tube 5 Drain Tube ON OFF Valve 6 Return Manifold 7 Long Teflon Hose 8 She...

Page 10: ...front of the unit NOTE If the switch being removed is damaged it may be easier to break the spring tabs off of the switch rather than attempting to squeeze the spring tabs If this method is used remem...

Page 11: ...eration Refer to the Changing the Heat Transfer Fluid section of this manual for procedures on draining and adding Heat Transfer Fluid 8 Remove the units from power 9 Replace the Power Head Lid 10 Res...

Page 12: ...cuits are disconnected Failure to comply with this procedure can cause property damage injury or death WARNING Certain components may be hot if the unit was in operation prior to performing a procedur...

Page 13: ...stic risers that allow for air flow on the underside of the board It is not necessary to remove the board when replacing one of its components however it may be necessary to loosen the screws that sec...

Page 14: ...e Allow the unit to cool before beginning work 230VAC Float Board 1 Follow the LOCKOUT TAGOUT procedure usingtheproceduresprovidedintheLockout Tagout Procedures section of this manual 2 Remove the Pow...

Page 15: ...ures section of this manual 2 Remove the Power Head Lid following the instructions provided in the Panels and Covers section of this manual 3 Tag and disconnect all of the component wires on the Power...

Page 16: ...system the heat transfer fluid must be drained from the system B G PUMP NOTICE In BWSNDNL models the B G Pump and Heater Tank are located at the back of the unit Removal of the Back Panel is required...

Page 17: ...e removing any sheet metal panels or servicing this equipment always perform the Electrical LOCKOUT TAGOUT Procedure Be sure all circuits are disconnected Failure to comply with this procedure can cau...

Page 18: ...ls 17 Restore the unit s power check it for proper operation It may be necessary to add additional fluid after the unit has operated for several minutes 18 After the unit has operated for several minu...

Page 19: ...ta Sheet provided in this manual for proper disposal of fluid Fluid Sensor Probes Figure 21 Fluid Sensor Probes 8 Disconnect the Fluid Sensor Probe lead 9 Remove the defective probe 10 Install the new...

Page 20: ...he tags or circuit schematic reconnect the wires to the Snap Disc 12 Restore power to the unit 13 Close the fluid Drain Valve 14 Fill the Heater Tank and Reservoir Tank with fluid until the Low Fluid...

Page 21: ...location of and colors of the Thermocouple wires on the Controller 10 Remove the wires for the Controller terminals 11 Remove the Thermocouple from the Heater Tank Thermocouple Figure 24 Location of T...

Page 22: ...this manual 3 Removetheleftsidepanelusingtheprocedures provided in the Panels and Covers section of this manual 4 Locate the Drain Tube and place it into an empty pan 5 Remove the Heater Tank Cap and...

Page 23: ...a new Pump Union Gasket reconnect the pump to the tank 21 Reconnect the Overflow Tube 22 Referring to the tags or the wiring schematic reconnect all of the wires and leads If the Thermocouple was remo...

Page 24: ...function 6 Enter the manual control menu if the sensor has failed Unlock the Controller 1 Follow the LOCKOUT TAGOUT procedure using the procedures provided in the LOCKOUT TAGOUT Procedures of this man...

Page 25: ...Alm 1 MAN C F Figure 30 Heater Tank Cap Reservoir Cap 6 Open the Drain Valve to drain the Heat Transfer Fluid 7 Discard the drained fluid refer to the Material Safety Data Sheet provided in this manu...

Page 26: ...ill break down the protective film CAUTION Never rub in a circular motion CAUTION Never leave any food products or salt on the surface Many foods are acidic Salt contains chloride Forroutinecleaning u...

Page 27: ...d Unit not reaching desired temperature Controller not set to 189 F Defective Controller Refer to Temperature Controller Set Up Procedures and set temperature to 189 F Refer to Temperature Controller...

Page 28: ...28 WIRING SCHEMATIC CE Standard Wiring...

Page 29: ...29 CE Standard Wiring TCB41 Controller...

Page 30: ...30 Wiring CE ZYTRON...

Page 31: ...kg Repeatedexposuresmaycauseslightflaking tenderness and softening of skin INGESTION Single does oral toxicity is low The LD50 for female rats is about 20 3 g kg INHALATION A single prolonged hours in...

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