PRINCE CASTLE IRT-SB-NA-3PS (02) PDF MANUAL

Observe the following safety practices:

WARNING: Information marked with a warning symbol is important to the proper operation of the unit. Failure to observe may result in damage to the equipment and/or severe bodily injury or death.

CAUTION: Information marked with a caution symbol is important to the operation of the unit. Failure to observe may result in damage to the equipment.

GENERAL: This appliance is designed for toasting bread products in a commercial McDonalds kitchen.

CAUTION: Do not hose down or use a water jet on the unit. Keep the unit away from running water. Disconnect power cord before performing any cleaning or maintenance.

CAUTION: Equipment must be elevated from the floor at all times during cleaning and operation.

WARNING: Failure to turn off the unit before servicing could result in severe bodily injury or death. Switch the On/Off switch to the Off position before servicing. The ON/OFF Switch does not disconnect incoming power to the unit.

BURN/ELECTRICAL SHOCK HAZARD! Platen is HOT and can cause severe burns or severe shock. Keep hands and objects out of the toaster unit! Failure to exercise caution may result in serious injury! Turn the unit off, unplug it and let it cool down completely before touching or working on internal apparatus.

The manufacture date is encoded in the unit’s serial number. The first letter represents the month and the second letter represents the year according to the matrix below. The service bench installation date (used to determine warranty coverage) is considered to be the end of the following month.

Example:

Serial Number: LK0000458

Manufacture Date: November 2015 (L=November, K=2015)

Service Bench Installation Date: December 15, 2015

SERIAL NUMBER MATRIX

Month	2014 (J)	2015 (K)	2016 (L)	2017 (M)	2018 (N)	2019 (O)	2020 (P)	2021 (Q)	2022 (R)
January	AJ	AK	AL	AM	AN	AO	AP	AQ	AR
February	BJ	BK	BL	BM	BN	BO	BP	BQ	BR
March	CJ	CK	CL	CM	CN	CO	CP	CQ	CR
April	DJ	DK	DL	DM	DN	DO	DP	DQ	DR
May	EJ	EK	EL	EM	EN	EO	EP	EQ	ER
June	FJ	FK	FL	FM	FN	FO	FP	FQ	FR
July	GJ	GK	GL	GM	GN	GO	GP	GQ	GR
August	HJ	HK	HL	HM	HN	HO	HP	HQ	HR
September	JJ	JK	JL	JM	JN	JO	JP	JQ	JR
October	KJ	KK	KL	KM	KN	KO	KP	KQ	KR
November	LJ	LK	LL	LM	LN	LO	LP	LQ	LR
December	MJ	MK	ML	MM	MN	MO	MP	MQ	MR

The following tools are required:

Medium Phillips / Flathead Screwdriver

Stubby Phillips Screw Driver

Selection of Nut Spinners or an Appropriate Small Socket Set

Needle Nose Pliers

C-Clip Pliers

Probable Cause	Solution
No power to unit.	Ensure power cord is connected to proper receptacle.
Inoperable power cord	Call for Service (800) 722-7853
Loose connection on power switch	Call for Service (800) 722-7853
Inoperable power switch	Call for Service (800) 722-7853
High limit switch tripped	Turn off unit for 20 minutes, and re-start. If high limit switch continues to trip, Call for service (800)722-7853
Inoperable Heating Element	Call for Service (800) 722-7853

Probable Cause	Solution
Loose motor switch connection.	Call for Service (800) 722-7853
Loose Conveyor Shaft Drive Collar	Call for Service (800) 722-7853
Inoperable motor.	Call for Service (800) 722-7853

Probable Cause	Solution
User interface Malfunction	Call for Service (800) 722-7853

Probable Cause	Solution
Check recommended toast time.	See operations manual.
Check Power Settings	See Programming Guide (refer to Management Programming sections).

Item #	Part #	Description	Qty
1	72-696S	POWERCORD (FOR IRT-SB-NA-1PS)	1
1	72-697S	POWERCORD (FOR IRT-SB-NA-3PS) NOT SHOWN	1
2	78-233S	SWITCH, ROCKER, DPST, IP65, 16A	1
3	65-064S	MCD KIT, POWER RELAY, Solid State, AC	2
4	86-582S	FAN. 11 A DC 92MM	1
5	353-164S	WIRE BELT	1
6	353-1314S	MCD KIT, 1/2″ DISC THERMOSTAT CRA-120-QC	1
7	353-1227S	PCB, MAIN CONTROLLER	1
8	85-147S	POWER SUPPLY, 24VDC 100W	1
9	37814S	MOTOR FAN, 230V	1
10	353-1306S	IRT/CBT FAN FILTER KIT	1
11	353-1308S	IRT DC FAN FILTER KIT	1
12	353-1315S	MCD KIT, *Shared* LCD GRAPHIC DISPLAY W/ NYLON NUTS, CBT/IRT	1
13	353-1233S	MCD KIT, BRACKET, CONV TENSIONER, IRT	1
14	353-1180S	MCD KIT, BEARING ATTACHMENT PLATE	1
15	353-560S	MCD KIT, IRT CRUMB TRAY	1
16	353-161S	MCD KIT, IRT WIRE IN-FEED RACK	1
17	353-786S	MCD KIT, IRT OUTFEED RACK	1
18	353-134S	MCD KIT, MOTOR ASSEMBLY, IRT	1
19	353-313S	MCD KIT IRT RELAY, 4-8VDC, 20A	2
20	77-093S	MCD KIT, IRT/CBT TERMINAL BLOCK SERVICE	1
21	66-045S	MCD KIT, URT STRAIN RELIEF DHB/STEAMER	1
22	353-426S	MCD IRT PCB ASSEMBLY, BREAD SELECT BOARD	1
23	353-1298S	THERMOSTAT, NC 300F, LIMIT CONTROL, IRT	2
24	353-525S	MCD KIT, IRT CALROD WASHER	4
25	77-092-02S	MCD KIT, BARRIER STRIP DCFT/IRT/CBT	1
26	353-570S	MCD KIT, IRT CALROD INSULATION	1
27	353-367S	MCD KIT PLATE CONNECTING CALROD, IRT	1
28	353-158S	MCD KIT CALROD, IRT	1
29	353-526S	MCD KIT, IRT CALROD COVER	1

The unit displays “WARMING UP” for 5 seconds, then “READY” after 10 minutes.

To Check/Set Platen Duty Cycles:

1. From the READY screen, press and hold the MENU button for 3 seconds.

2. The display shows SET BAGEL PLATEN DUTY.

3. Press OK to view/change the MAIN BAGEL DUTY % (default 68%). Press Left/Right scroll buttons to change, then OK to confirm.

4. Press the Right scroll button to navigate to SET MUFFIN PLATEN DUTY. Press OK to view/change MAIN MUFFIN DUTY %.

5. Press the Right scroll button to navigate to SET SPECIAL PLATEN DUTY. Press OK to view/change MAIN SPECIAL DUTY %.

To Check/Set Temperature Units (F/C):

1. From the READY screen, press and hold the MENU button for 5 seconds to enter Programming Mode (displays version).

2. Press the Right scroll button until SELECT F/C is displayed.

3. Press OK. The screen shows SET F/C TEMP = F (or C).

4. Press the Left or Right scroll button to toggle between F and C.

5. Press OK to confirm the selection.

To Check/Set Toast Times:

1. Follow steps from F/C selection until SET F/C TEMP screen.

2. Press the Right scroll button to navigate through TOAST TIME options (BAGEL, MUFFIN, SPECIAL).

3. When the desired item (e.g., TOAST TIME BAGEL) is displayed, press OK.

4. The current time (e.g., 50 SEC) is displayed. Press Left/Right scroll buttons to change the time.

5. Press OK to confirm the new time.

To Show Statistics:

1. Navigate through the menu past Toast Time settings.

2. The screen will display SHOW STATISTICS?

3. Press OK to view statistics.

4. Press Left/Right scroll buttons to cycle through available statistics.

To View Programming Version:

1. Navigate past SHOW STATISTICS.

2. The screen will display PROGRAMMING VERSION X.XX.

Press the MENU button at any time to exit the menu options and return to the READY screen.

1. Enter Programming Mode:

Press and hold the MENU button for 6 seconds. The PROGRAMMING VERSION screen will appear.

2. Change Language:

From the PROGRAMMING VERSION screen, press the LEFT scroll button to reach SELECT LANGUAGE.

Press OK. The current language (e.g., LANGUAGE ENGLISH) is displayed.

Press the RIGHT or LEFT scroll buttons to select a different language.

Press OK to accept the new language and return to the SELECT LANGUAGE screen.

3. Adjust SET BAGEL PLATEN DUTY:

From the SELECT LANGUAGE screen, press the RIGHT scroll button to reach SET BAGEL PLATEN DUTY.

Press OK. The SET BAGEL DUTY screen appears.

Use the RIGHT and LEFT scroll buttons to adjust the set point duty percentage.

Press OK to accept the new setting. (Press MENU to cancel and return).

4. Adjust SET MUFFIN PLATEN DUTY:

From the SET BAGEL PLATEN DUTY screen, press the RIGHT scroll button to reach SET MUFFIN PLATEN DUTY.

Press OK. The SET MUFFIN DUTY screen appears.

Use the RIGHT and LEFT scroll buttons to adjust the set point duty percentage.

Press OK to accept the new setting. (Press MENU to cancel and return).

5. Adjust SET SPECIAL PLATEN DUTY:

From the SET MUFFIN PLATEN DUTY screen, press the RIGHT scroll button to reach SET SPECIAL PLATEN DUTY.

Press OK. The SET SPECIAL DUTY screen appears.

Use the RIGHT and LEFT scroll buttons to adjust the set point duty percentage.

Press OK to accept the new setting. (Press MENU to cancel and return).

6. Adjust SELECT F/C (Temperature Scale):

From the SET SPECIAL PLATEN DUTY screen, press the RIGHT scroll button to reach SELECT F/C.

Press OK. The SET F/C screen appears (e.g., TEMP = F).

Use the LEFT and RIGHT scroll buttons to select F (Fahrenheit) or C (Celsius).

Press OK to accept the new scale and return to the SELECT F/C screen.

7. Adjust BAGEL TOAST TIME:

From the SELECT F/C screen, press the RIGHT scroll button to reach SELECT BAGEL TOAST TIME.

Press OK. The SELECT BAGEL TIME screen appears.

Use the RIGHT and LEFT scroll buttons to adjust the set point time.

Press OK to accept the new setting. (Press MENU to cancel and return).

8. Adjust MUFFIN TOAST TIME:

From the BAGEL TOAST TIME screen, press the RIGHT scroll button to reach SELECT MUFFIN TOAST TIME.

Press OK. The SELECT MUFFIN TIME screen appears.

Use the RIGHT and LEFT scroll buttons to adjust the set point time.

Press OK to accept the new setting. (Press MENU to cancel and return).

9. Adjust SPECIAL TOAST TIME:

From the MUFFIN TOAST TIME screen, press the RIGHT scroll button to reach SELECT SPECIAL TOAST TIME.

Press OK. The SELECT SPECIAL TIME screen appears.

Use the RIGHT and LEFT scroll buttons to adjust the set point time.

Press OK to accept the new setting. (Press MENU to cancel and return).

10. Enable/Disable Special Mode:

From the SPECIAL TOAST TIME screen, press the RIGHT scroll button once to reach SPECIAL MODE ENABLE/DISABLE.

Press OK. The screen shows the current status.

Use the RIGHT and LEFT scroll buttons to toggle between ENABLE and DISABLE.

Press OK to accept the new setting. (Press MENU to cancel and return).

11. View Service Codes:

From the SPECIAL MODE ENABLE / DISABLE screen, press the RIGHT scroll button once to reach the Service Codes screen.

Press OK to check the service codes.

12. Exit Programming:

Press the MENU button from any programming screen to exit programming mode and return to the operational screen.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Remove the (6) connectors from the control board.

4. Remove the (4) screws securing the master control board.

5. Remove the board.

1. Install the new main control board.

2. Using the (4) screws removed previously, secure the board onto the electronics tray.

3. Reconnect the (6) connections onto the board that were removed.

4. Using a Phillips screwdriver, secure the control side panel previously opened.

5. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Remove the 4 wires from the relay. Note the position of each wire.

4. Using a Phillips head screwdriver, remove the (2) screws securing the relay.

1. Install the new relay board.

2. Secure the relay using the (2) screws removed previously.

3. Reconnect the 4 wires onto the relay in their original positions.

4. Using a Phillips screwdriver, secure the control side panel previously opened.

5. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Unplug the motor from the wiring harness.

4. Remove the (2) screws using a Phillips screwdriver to release the motor assembly.

1. Install the new motor assembly. Ensure the motor shaft is aligned with the conveyor.

2. Secure the assembly using the (2) Phillips screws previously removed.

3. Connect the motor wiring harness previously unplugged.

4. Using a Phillips head screwdriver, secure the control side panel previously opened.

5. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Remove the Main Control Board (refer to the Main Control Board Removal procedure).

3. Unplug the Display Harness from the main board area.

4. Remove the (4) M3 nuts securing the display assembly.

5. Lift the display assembly off the control side panel.

1. Reinstall the display assembly by positioning it on the control side panel and installing the (4) M3 nuts previously removed.

2. Plug in the display harness previously removed.

3. Replace the Main Control Board (refer to the Main Control Board Replacement procedure).

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Using a Phillips head screwdriver, open the right side panel.

4. On the unit’s control side, remove the screw that secures the Calrod end which needs to be replaced.

5. On the right side of the unit, remove all insulation covering the Calrod connections.

6. On the right side of the unit, remove the screw securing the Calrod end to be replaced.

7. On the right side of the unit, remove the screw securing the Calrod to the Calrod connecting bracket.

8. From the control side of the unit, remove the Calrod by pulling it out. The Calrod may need to be rotated while removing.

1. Reinstall the Calrod by inserting it into the unit from the Control Side.

2. On the right side, secure the Calrod to the Calrod connecting bracket using the Phillips screw previously removed.

3. On the right side, secure the Calrod end to the unit using the Phillips screw previously removed.

4. On the right side, reinstall all insulation that covers the Calrod connections.

5. On the control side, secure the Calrod end to the unit using the Phillips screw previously removed.

6. Using a Phillips head screwdriver, secure the right side panel previously opened.

7. Using a Phillips head screwdriver, secure the control side panel previously opened.

8. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Disconnect the harness from the Bread Selection Board.

4. Remove the (2) Phillips screws and (2) washers securing the board, and remove the assembly.

1. Install the new Bread Selection Board using the (2) Phillips screws and (2) washers previously removed.

2. Reinstall the wiring harness onto the Bread Selection Board previously disconnected.

3. Using a Phillips head screwdriver, secure the control side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the right side panel.

3. Disconnect the harness from the Bread Selection Board.

4. Remove the (2) Phillips screws and (2) washers securing the board, and remove the assembly.

1. Install the new Bread Selection Board using the (2) Phillips screws and (2) washers previously removed.

2. Reinstall the wiring harness onto the Bread Selection Board previously disconnected.

3. Using a Phillips head screwdriver, secure the right side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Remove the Motor (refer to Motor Removal procedure).

3. Remove the conveyor assembly from the unit by removing (2) Phillips screws (likely securing it to the chassis, locations vary).

4. Remove all insulation from the right side of the conveyor assembly.

5. Remove (4) nuts on the right side of the conveyor using an 8mm nut driver.

6. Remove (2) Phillips screws to free the right side panel of the conveyor assembly.

7. Slide the conveyor belt off the assembly.

1. Slide the new conveyor belt back onto the conveyor assembly.

2. Re-install the right side panel of the conveyor assembly by securing it with the (2) Phillips screws previously removed.

3. Reinstall the (4) nuts on the right side of the conveyor using an 8mm nut driver.

4. Reinstall all insulation on the right side of the conveyor assembly.

5. Install the conveyor assembly back into the unit. Secure using the (2) Phillips screws previously removed.

6. Reinstall the Motor (refer to Motor Replacement procedure).

7. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the right side panel.

3. Remove (3) connections from the power cord (likely at a terminal block) by removing the three screws shown.

4. Unscrew the back of the strain relief bushing to release the power cord. Remove the power cord from the unit completely.

1. Insert the new power cord through the strain relief opening. Reinstall the power cord onto the unit by tightening the strain relief bushing.

2. Reinstall the (3) connections from the power cord onto the points shown using the screws previously removed.

3. Using a Phillips head screwdriver, reinstall the right side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Remove the (2) connectors from the power supply.

4. Remove the (4) screws using a Phillips screwdriver to free the power supply.

1. Secure the new power supply by using the (4) Phillips screws previously removed.

2. Install the (2) connections onto the power supply previously removed.

3. Using a Phillips head screwdriver, secure the control side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the right side panel.

3. Remove the (4) connectors from the power switch. Note the wiring configuration.

4. Remove the power switch from the unit. There are two tabs on each side that will need to be released (usually by squeezing them) to push the switch out from the inside.

1. Reinstall the power switch. The switch is made to snap in from the outside.

2. Reconnect the (4) connectors on the power switch, referring to the wiring orientation noted during removal.

3. Using a Phillips head screwdriver, secure the right side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the control side panel.

3. Remove the (2) wires from the Axial fan. Note the position of the wiring (Brown=Top, Orange/Black=Bottom).

4. Remove the (4) Phillips screws securing the fan and lift the fan straight up to remove.

1. Install the new fan and secure using the (4) Phillips screws in the orientation shown, previously removed.

2. Install the (2) wires onto the fan: Brown= Top, Orange/Black= Bottom.

3. Using a Phillips head screwdriver, secure the control side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.

1. Power off and unplug the unit. WARNING: Failure to disconnect power before servicing can result in severe injury or death.

2. Using a Phillips head screwdriver, open the right side panel.

3. Remove the (2) wires from the fan. Note the position of the wiring (Brown=Top, Orange/Black=Bottom).

4. Remove the (4) Phillips screws securing the fan and lift the fan straight up to remove.

1. Install the new fan and secure using the (4) Phillips screws previously removed.

2. Install the (2) wires onto the fan: Brown= Top, Orange/Black= Bottom.

3. Using a Phillips head screwdriver, secure the right side panel previously opened.

4. Plug in the unit. Power on and ensure the unit is fully functional.