Prince Castle 625 Series User manual

Indicator Light

Replacing the Auto Reset Hi-Limit
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Table of Contents

training and
on
on
any
turned off and unplugged.
perform any maintenance on
or

Philips Flat headed

Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury
or death if the power supply on the
unit isn’t disconnected prior to
maintenance. ON/OFF switch will
not disconnect the incoming power
supply on the device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield.
Unscrew the black rotary knob using a flat headed
screwdriver and remove the fuse. After replacing with
t
he new fuse, assemble the dismantled parts in reverse
order.

Unplug the connector on the water pipe, whenever the
equipment is under maintenance.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury or
death if the power supply on the unit
isn’t disconnected prior to maintenance.
ON/OFF switch will not disconnect
the incoming power supply on the
device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Remove the retaining screw by using the Philips head
screwdriver to remove the connecting wire. Unscrew
the retaining nut using a socket wrench and remove
the relay.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury or
death if the power supply on the unit isn’t
disconnected prior to maintenance.
ON/OFF switch will not disconnect
the incoming power supply on the
device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Unscrew the retaining nut using a socket wrench. Turn
over the main circuit board and unplug the connecting
wire connector of the circuit board.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury or
death if the power supply on the unit
isn’t disconnected prior to maintenance.
ON/OFF switch will not disconnect the
incoming power supply on the device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Unscrew the retaining nut using a socket wrench. Turn
over the main circuit board and unplug the connecting
wire connector of the circuit board.
Pull out the connection plug on the display board with
the film-based panel to remove the display board.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury
or death if the power supply on the
unit isn’t disconnected prior to
maintenance. ON/OFF switch will
not disconnect the incoming power
supply on the device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Unscrew the retaining nut using a socket wrench. Turn
over the main circuit board and unplug the connecting
wire connector of the circuit board.
Pull out the connection plug on the display board with
the film-based panel to remove the display board.
Use the Philips screwdriver to remove the ground wire
screw and use the sharp-nose pliers to straighten the
stator (marked by the circle) to pull out of the display
board assembly; remove the remaining glue on the panel.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury or
death if the power supply on the unit isn’t
disconnected prior to maintenance.
ON/OFF switch will not disconnect the
incoming power supply on the device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Unscrew the retaining nut using a socket wrench.
Turn over the main circuit board and unplug the
connecting wire connector of the circuit board.
Withdraw the base plate components, turn over and
place onto workbench. Remove the thermal baffle;
cut out the strap on the solenoid valve connection.
Use the flat headed screwdriver to remove the screw
used to secure the solenoid valve; use the Philips
screwdriver to remove the 3 screws used to secure the
mounting plate on the solenoid valve. Unscrew the nut
off the water inlet connector, to remove the solenoid
valve assembly.
After installing the new solenoid valve assembly in the
equipment, assemble the dismantled parts in reverse
steps.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury or
death if the power supply on the unit isn’t
disconnected prior to maintenance.
ON/OFF switch will not disconnect the
incoming power supply on the device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

Auto Reset Hi-Limit
auto reset Hi-Limit
12
Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Unscrew the retaining nut using a socket wrench.
Turn over the main circuit board and unplug the
connecting wire connector of the circuit board.
Withdraw the base plate components. Turn over and
place unit on the workbench, unplug the connecting wire
connector of the auto reset Hi-Limit. Remove the
4 screws used for securing the auto reset Hi-Limit via
the Philips screwdriver.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury or
death if the power supply on the unit isn’t
disconnected prior to maintenance.
ON/OFF switch will not disconnect
the incoming power supply on the
device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.

13
Unplug the connector on the water pipe whenever the
equipment is under maintenance.
Unscrew the retaining nut using a socket wrench.
Turn over the main circuit board and unplug the
connecting wire connector of the circuit board.
Use a socket wrench to remove the 4 screws (marked
by the circle) used for securing the heating plate;
remove the mounting bracket and heating plate.
Install the new heating plate into the equipment and
assemble the dismantled parts in reverse steps.
Shut down unit from the power supply and make sure
power cord is unplugged.
It will result in severe personal injury
or death if the power supply on the
unit isn’t disconnected prior to
maintenance. ON/OFF switch will
not disconnect the incoming power
supply on the device.
Unplug the connector on the water pipe. Remove the
hand shovel, head cover, top plate, Venturi plate and
back shield. Turn over the equipment and place the
bottom of the equipment upwards on the workbench.
Remove the 4 screws used to secure the control panel
components via the Philips screwdriver, and turn over
the control panel components.
Replacing the Heating Plate

the
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or powerline cord;
light switch is not lit, replace it;
1. Place the shovel in the equipment
after finished using;
2. Replace the shovel.
attached
plugged
into
into
finished using;

21
Spatula Assembly
Spatula Assembly (625-MCDUKC)
Rocker Switch, 20A
Membrane Switch Assembly
Display (Control), PCB
Top Cover
Silicone Gasket
Feet (Pkg of 4)
Strain Relief
Strain Relief
Mini-Jack, Type K
Water Dispensing Tube Kit
Top Plate
High-Limit Thermostat
Water Valve Assembly
Water Valve Assembly
625-808S Auto reset High-Limit
Main Power PCB
Venturi Plate
Temperature Probe, 1000 ohm RTD
Line Cord Assembly，
Line Cord Assembly，
Line Cord Assembly，
Line Cord Assembly，
Line Cord Assembly，
Regulator Parts (Not Shown)
Regulator Parts (Not Shown)
Platen
15
625-333S
Spatula Handle kit
625-097S
625-627S
625-628S Display (Control),PCB (625-MCDUKC)
625-274S Top Plate (625-MCDUKC)
625-337S Venturi Plate (625-MCDUKC)
(625-MCDUKC)
/625-MCDUKC
Regulator Parts(625-MCDUKC)625-276S
/625-MCDUKC)

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KEYPAD DISPLAY
MAIN BAORD
PROBE
WATER VALVE
+ YELLOW
- RED
ON/OFF SWITCH
PLATEN
SOLID STATE RELAY
POWER
CORD
FUSE
HI LIMIT
FILTER
HI LIMIT

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Procedure
Replacing the fuse 625-634S 0.5hour
1hour
1.5hour
1hour
1hour
1hour
1hour
1hour
1hour
1.5hour
88-787S
65-058S
625-626S
625-627S
625-628S
625-619S
625-405S
625-401-JPS
625-207S
625-808S
625-289S
Replacing the fuse holder
Replacing the relay
Replacing the main circuit board
Replacing the display board
Replacing the film-based panel assembly
Replacing the solenoid valve assembly
Replacing the high temperature protector
Replacing the auto reset Hi-Limit
Replacing the heating plate
Part Number Max Labor Hours
Allowable Labor Limits