THERMODYNE 200NDNL Bedienungsanleitung

INTERNATIONAL

SERVICE MANUAL

(04-14)

MODELS

200NDNL

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

ADD FLUID

Out1

Out2

Out1

Out2

1600NDNL

BWSNDNL

— 2 —

ELECTRICAL WARNINGS

THIS MANUAL HAS BEEN PREPARED FOR PERSONNEL QUALIFIED TO INSTALL ELECTRICAL

EQUIPMENT, WHO SHOULD PERFORM THE INITIAL FIELD STARTUP AND ADJUSTMENTS OF

THE EQUIPMENT COVERED BY THIS MANUAL.

READ THIS MANUAL THOROUGHLY BEFORE OPERATING, INSTALLING OR PERFORMING

MAINTENANCE ON THE EQUIPMENT.

WARNING: Failure to follow all the instructions in this manual can cause property

damage, injury or death.

WARNING: Improper installation, adjustment, alteration, service or maintenance can

cause property damage, injury or death.

WARNING: Electrical connections should be performed only by a certied professional.

WARNING: Electrical and grounding connections must comply with the applicable

portions of the National Electric Code and/or all local electric codes. Failure to comply with this

procedure can cause property damage, injury or death.

WARNING: Before connecting the unit to the electrical supply, verify that the electrical

and grounding connections comply with the applicable portions of the National 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, verify that the electrical

connection agrees with the specications on the data plate. Failure to comply with this

procedure can cause property damage, injury or death.

WARNING: UL73 grounding instructions: This appliance must be connected to a

grounded, metal, permanent wiring system. Or an equipment-grounding conductor must be run

with the circuit conductors and connected to the equipment-grounding terminal or lead on the

appliance. Failure to comply with this procedure can cause property damage, injury or death.

WARNING: Appliances equipped with a exible electric supply cord, are provided with

a three-prong grounding plug. It is imperative that this plug be connected into a properly

grounded three-prong receptacle. Failure to comply with this procedure can cause property

damage, injury or death.

WARNING: If the receptacle is not the proper grounding type, contact an electrician. Do

not remove the grounding prong from the plug. Failure to comply with this procedure can cause

property damage, injury or death.

— 3 —

WARNING: Before performing any service that involves electrical connection or

disconnection and/or exposure to electrical components, always perform the Electrical

LOCKOUT/TAGOUT Procedure. Disconnect all circuits. Failure to comply with this procedure

can cause property damage, injury or death.

WARNING: Before removing any sheet metal panels, always perform the Electrical

LOCKOUT/TAGOUT Procedure. Be sure all circuits 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 access panels. Failure to comply with this procedure can cause property damage,

injury or death.

WARNING: Do not use or store gasoline or other ammable vapors or liquids in the

vicinity of this or any other appliance. Failure to comply can cause property damage, injury or

death.

WARNING: In the event of a power failure, do not attempt to operate this appliance.

Failure to comply can cause property damage, injury or death.

— 4 —

TABLE OF CONTENTS

ELECTRICAL WARNINGS............................................................................................................................... 2

ELECTRICAL LOCKOUT/TAGOUT PROCEDURE ......................................................................................... 5

FLUID CAPACITIES (STANDARD SHELF CONFIGURATION)....................................................................... 5

COVERS AND PANELS ................................................................................................................................... 6

Top Fill Cover ............................................................................................................................................. 6

Power Head Lid ......................................................................................................................................... 6

Units with Doors......................................................................................................................................... 6

COMPONENT LOCATOR ................................................................................................................................ 7

Power Head Components.......................................................................................................................... 7

Delivery Manifold Components .................................................................................................................. 8

Return Manifold Components .................................................................................................................... 9

COMPONENT REMOVAL AND REPLACEMENT.......................................................................................... 10

Electrical Components ............................................................................................................................. 10

Power Toggle Switch................................................................................................................................ 10

Add Fluid 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 ............................................................................................................................................... 16

 TeonHoses ............................................................................................................................................ 17

Fluid Level Probes ................................................................................................................................... 18

Snap Disc................................................................................................................................................. 20

Thermocouple .......................................................................................................................................... 20

Heat Elements ......................................................................................................................................... 22

MAINTENANCE PROCEDURES................................................................................................................... 24

Temperature Controller Set Up Procedures............................................................................................. 24

Keypad Operation .................................................................................................................................... 24

Unlock the Controller ............................................................................................................................... 24

Set-Up...................................................................................................................................................... 24

To Toggle Between °F and °C Readout: .................................................................................................. 25

Changing the Heat Transfer Fluid ............................................................................................................ 25

CT Door Adjustment................................................................................................................................. 25

Stainless Steel Care ................................................................................................................................ 26

TROUBLESHOOTING ................................................................................................................................... 27

WIRING SCHEMATIC .................................................................................................................................... 28

HEAT TRANSFER FLUID MSDS ................................................................................................................... 31

— 5 —

ELECTRICAL LOCKOUT/TAGOUT PROCEDURE

WARNING: Before performing any

service that involves electrical connection

or disconnection and/or exposure to

electrical components, always follow the

Electrical LOCKOUT/TAGOUT Procedure.

Disconnect all circuits. Failure to comply

can cause property damage, injury or death.

The Electrical LOCKOUT/TAGOUT Procedure is

used to protect personnel working on an electrical

appliance. Before performing any maintenance

or service that requires exposure to electrical

components, follow these steps:

1. In electrical box, place appliance circuit breaker

into OFF position.

2. Place a lock or other device on electrical 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

service and power should not be restored until

tag is removed by maintenance personnel.

4. Disconnect appliance power cord from

electrical outlet.

5. Place a tag on the cord to indicate that unit

has been disconnected for service and power

should not be restored until tag is removed by

maintenance personnel.

MODEL GALLONS LITERS

PER

SHELF

(OZ)

125OC 1.5 3.78 14

200NDNL 1.75 6.62 6

200CT 1.75 6.62 6

250OC 1.65 6.62 20

250PNDT 2.1 7.95 6

BW3 1.65 6.25 6

BW4 1.7 6.44 6

FLUID CAPACITIES (STANDARD SHELF CONFIGURATION)

MODEL GALLONS LITERS

PER

SHELF

(OZ)

300NDNL 1.91 7.23 6

300CT 1.91 7.23 6

700NDNL 2.25 8.52 14

700CT 2.25 8.52 14

950NDNL 2.16 8.18 20

300OC 2.24 8.48 14

1600NDNL 2.1 7.95 6

— 6 —

COVERS AND PANELS

TOP FILL COVER

The Top Fill Cover provides access to the Reservoir

Tank Cap without the requirement to remove the

entire Power Head Lid. Rotate the cover to access

the Reservoir Tank Cap when the Add Fluid Light

is illuminated.

1. Place the Power Switch in its OFF position.

2. Remove one Philips screw securing the Top

Fill Cover.

3. Rotate the Top Fill Cover out of the way.

4. Reverse the procedure to reinstall the Top Fill

Cover.

ADD FLUID

Out1

Out2

ADD FLUID

Out1

Out2

Top Fill Cover

Figure 1: Top Fill Cover

POWER HEAD LID

WARNING

Before 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 cause property damage,

injury or death.

Removing the Power Head Lid provides access to

all of the components of the Power HeadAssembly.

1. Perform the ELECTRICAL LOCKOUT/

TAGOUT procedure.

2. Remove the Philips screws securing the Power

Head Lid.

3. Remove the Power Head Lid.

4. Reverse the procedure to reinstall the Power

Head Lid.

Power Head Lid

Figure 2: Power Head Lid

Under normal circumstances it is not necessary

to remove the Back Panel to access components.

The exception to this is the BWSNDNLmodel.The

Back Panel on the BWSNDNL provides access

to the Heater Tank components and the Pump.

The Back Panel on the 950NDNL and 957NDNL

may be lifted off to provide pass through access.

1. Follow the LOCKOUT/TAGOUT procedure.

2. Remove the Philips screws securing the Back

Panel.

3. Lift the Back Panel up and away from the unit.

UNITS WITH DOORS

All CT models are supplied with doors. The doors

are provided with lift-off hinges. To remove a door,

open the door slightly and lift it straight up and off

the hinge.

— 7 —

COMPONENT LOCATOR

POWER HEAD COMPONENTS

23456789

10 11 12

17 1412 13 15 16 1 2

ADD FLUID

Figure 3: Power Head Components

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 Board

11. Okaya Electrical Filter

12. Heater Elements

13. Snap Disc

14. 16 PSI Pressure Cap

15. Fluid Level Probes

16. Thermocouple

17. Heater Tank Assembly

— 8 —

DELIVERY MANIFOLD COMPONENTS

6 5

Figure 4: Delivery Manifold Components

1. Delivery Line

2. TeonWasher

3. Shelf Plug

4. Power Cord

5. Delivery Manifold Assembly

6. ShortTeonHose

7. Shelf Elbow

— 9 —

RETURN MANIFOLD COMPONENTS

7 6 5

Figure 5: Return Manifold Components

1. OverowTube

2. Shelf Plug

3. TeonWasher

4. Drain Tube

5. Drain Tube ON/OFF Valve

6. Return Manifold

7. LongTeonHose

8. Shelf Elbow

— 10 —

COMPONENT REMOVAL AND REPLACEMENT

ELECTRICAL COMPONENTS

WARNING

Before 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 cause property damage,

injury or death.

WARNING

Certain components may be hot if the

unit was in operation prior to performing

a procedure. Allow the unit to cool before

beginning work.

POWER TOGGLE SWITCH

1. Follow the LOCKOUT/TAGOUT procedure

using the procedures provided in the Lockout/

Tagout Procedures 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 the wires connected to

the Power Toggle Switch

4. Squeeze the spring tabs that hold the switch

in place and push the switch through the 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, remember to remove the broken

tabs from the inside of the Power Head.

Spring

Tab

Power

Toggle

Switch

Figure 6: Power Toggle Switch

5. Insert the new switch through the front of the

unit ensuring the tabs have locked in place.

6. Referring to the tags or Circuit Schematic

reconnect all of the wires.

7. Restore power to the unit and check the switch

for proper operation.

8. Remove the units from power.

9. Replace the Power Head Lid.

10. Restore power to the unit and verify proper

operation.

WARNING

Before 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 cause property damage,

injury or death.

WARNING

Certain components may be hot if the

unit was in operation prior to performing

a procedure. Allow the unit to cool before

beginning work.

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