DUAL ACCESS BISCUIT CABINET
WELLS MODELS DABC-1PS
and DABC-1TL
This equipment chapter is to be placed in the Holding Cabinets Section of the Equipment Manual.
MANUFACTURED EXCLUSIVELY FOR
McDONALD'S
BY
WELLS MANUFACTURING
2 ERIK CIRCLE VERDI, NEVADA 89439
PHONE: 1 (702) 345-0444
TOLL FREE: 1 (800) 777-0450
FAX #: 1 (702) 345-0569
TABLE OF CONTENTS
WARRANTY.........................................................................................................................Page 2
INTRODUCTION..................................................................................................................Page 2
SAFETY................................................................................................................................Page 2
PARTS IDENTIFICATION/FUNCTION/PHOTOS..............................................................Page 3
HARDWARE IDENTIFICATION........................................................................................Page 19
EQUIPMENT SET UP AND CLOSE PROCEDURES .....................................................Page 20
TROUBLESHOOTING.......................................................................................................Page 22
PARTS ORDERING/SERVICE INFORMATION..............................................................Page 24
NON-SCHEDULED MAINTENANCE.................................................. ...........................Page 24
WIRING PICTORIAL ..........................................................................................................Page 36
WIRING DIAGRAM............................................................................................................Page 38
This manual is for the exclusive use of licensees and employees of McDonald's Systems, Inc.
© 1987 McDonald's Corporation Printed in November Printed in All Rights Reserved
Reprinted in April, 1989 The United States of America
DUAL ACCESS BISCUIT CABINET
Models DABC-1PSP and DABC-1TL
PRODUCT FEATURES
• Fully adjustable water and air temperatures.
• Front and rear doors allow loading and unloading from either end for
efficient workflow.
• Adjustable solid-state electronic thermostat senses and displays
accurate temperature.
• Built-in three channel timer displays that can be operated from both
front and back of unit.
• Signal light located on both front and rear to indicate that opposite
door is open.
• Audible and visual low water indicator.
• Heat ON indicator lights for both air and water.
• LED digital temperature display (F or C) for air or water - select by
switch.
• Easy to clean water pan with one multi-function probe for low water
level and temperature.
• All stainless steel construction.
• Cabinet designed for floor installation. Shipped with casters.
DIMENSIONS
INSTALLED SHIPPING
DIMENSIONS DIMENSIONS
MODELS
W D H
WEIGHT
W D H
WEIGHT
DABC-
1PSP
DABC-
1TL
20 1/4"
29"
33" 175 27 3/8"
33 3/4"
36 1/8”
204
ELECTRICAL INFORMATION
Model DABC-1PSP:
Voltage: 208V, three phase, four wire. Power: 1. 1 KW, for amperage
refer to table on reverse side. Cabinet is provided with a 10-foot cord
with pin-and-sleeve connector for power, and a 2-foot cord with pin-
and-sleeve auxiliary receptacle for 15 amp, 120V unit only.
Model DABC-1TL: (Replacement only)
Voltage: 120V, single phase.
Power: 1. 1 KW, for amperage refer to table on reverse side. Cabinet
is provided with a 10-foot cord with a NEMA L5-20P twist-lock for
power and NO auxiliary appliance connection.
PRODUCT FINISH
Stainless steel top. front, sides and back.
PRODUCT WARRANTY
The DABC-1PSP and DABC-1TL Dual Access Biscuit Cabinets
manufactured by Wells are warranted to be free from defects in
materials and workmanship for a period of one year from the date of
original installation and is for the benefit of the original purchaser only.
This warranty does not apply to damage resulting from fire, water,
burglary, accident, abuse, misuse, acts of God, faulty installation
including improper electrical supply.
THIS WARRANTY IS THE COMPLETE AND ONLY
WARRANTY, THERE BEING NO OTHER
WARRANTIES, EXPRESSED OR IMPLIED IN LAW OR
IN FACT, INCLUDING BUT NOT LIMITED TO,
WARRANTIES OF MERCHANT-ABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE, AND/OR FOR
DIRECT, INDIRECT. OR INCONSEQUENTIAL
DAMAGES IN CONNECTION WITH WELLS'
PRODUCTS.
Wells' obligation under this warranty is limited to the repair of defects
or replacement without charge by a WELLS factory authorized service
agency or one of its sub-service agencies. This service will be
provided on customer's premises.
DUAL ACCESS BISCUIT CABINET
Models DABC-1PSP and DABC-1TL
ELECTRICAL SPECIFICATIONS
AMPS PER LINE THREE PHASE MODEL VOLTS KW
LI L2 L3 N
AMPS
SINGLE
PHASE
DABC-1PSP
208 1. 1 10 15 - 25 -
DABC-1TL 120 1. 1 - - - - 8. 8
NOTE: 4 WIRE 3 PHASE L3 NOT USED
Wells Manufacturing Company
2 Erik Circle, P. O. Box 280 • Verdi, NV 89439
(702) 345-0444 • FAX: 702-345-0569 TOLL-FREE
FAX: 800-356-5142, for orders only
1994 Wells Manufacturing Company Printed in U. S. A. Item No. 43958 B
WARRANTY STATEMENT
The Dual Access Biscuit Cabinet manufactured by
Wells is warranted to be free from defects in materials
and workmanship for a period of one year from the date
of original installation and is for the benefit of the
original purchaser only, BUT NOT AGAINST DAMAGE
CAUSED BY ABUSE, FAULTY INSTALLATION,
INCLUDING IMPROPER ELECTRICAL CURRENT.
THIS WARRANTY IS THE COMPLETE AND ONLY
WARRANTY, THERE BEING NO OTHER WAR-
RANTIES, EXPRESSED OR IMPLIED IN LAW OR IN
FACT, INCLUDING BUT NOT LIMITED TO,
WARRANTIES OF MERCHANT ABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE, AND/OR FOR
DIRECT, INDIRECT OR CONSEQUENTIAL
DAMAGES IN CONNECTION WITH WELLS
PRODUCTS.
Wells' obligation under this warranty is limited to the
repair of defects or replacement without charge by a
WELLS factory authorized service agency or one of its
sub-service agencies. This service will be provided on
customer's request.
Please contact the Service Department: Wells
Manufacturing Company, P. O. Box 280, Verdi, Nevada
89439; to arrange service or for additional information
and other details concerning the product and/or this
warranty.
INTRODUCTION
The commercial Dual Access Biscuit Cabinet is
designed to hold food at a desired serving temperature
and moistness plus allow access to the food product
from either the front or the rear of the cabinet. Both
models have built-in 3 channel product timers that can
be activated from either the front or the rear of the
cabinet.
The Model DABC-1 PS is configured with an IEC 309
Pin & Sleeve plug and connector for the main power
and auxiliary device connection.
WARNING: The DABC-1 PS operates on 120 VAC.
The power connection has been designed for 208 VAC,
3-Phase-Y, 5-wire, 120/208 split, such that two
independent 120 VAC inputs are supplied to the unit.
The auxiliary connection is 120 VAC at 15 amp
maximum for other appliances, i. e. Marinator Model
MDMW-3.
The Model DABC-1TL is configured with a NEMA L5-
20P twist-lock for the power supply connection and NO
auxiliary appliance connection is provided.
SAFETY
Knowledge of proper installation, operation and
maintenance procedures is essential to ensure safe
operation of any equipment. The instructions contained
herein are meant as guidelines; major considerations to
be kept in mind are:
1. Always have dry hands prior to turning the power
switch ON or OFF.
2. Turn OFF the power switch anytime the cabinet is
not in use.
3. If an electric shock is felt when touching the
cabinet, disconnect the power immediately and
call Wells Service Department for assistance and
service.
4. Have the electrical power installed by a licensed
electrician. Make sure that the equipment is
properly grounded.
5. If you find that the electrical cord is frayed, DO
NOT PLUG IT INTO THE ELECTRICAL POWER
RECEPTACLE. IF IT IS ALREADY PLUGGED
IN, DISCONNECT THE PLUG AFTER
SHUTTING OFF THE CIRCUIT BREAKER.
6. DISCONNECT THE POWER CORD BEFORE
ATTEMPTING ANY REPAIRS AND/OR
CLEANING THE UNIT WITH WATER.
7. Allow the unit to cool before cleaning.
8. DON'T EVER SPLASH WATER WITH A HOSE
OR OTHERWISE ONTO THE UNIT. WET
ELECTRICAL COMPONENTS AND WIRING
PRESENT A HIGH SHOCK HAZARD.
9. Follow the cleaning procedures described on the
Biscuit Cabinet (Wells) Planned Maintenance
System Card #64.
CAUTION: DO NOT OPERATE THE UNIT UNLESS
ALL FOUR CASTERS ARE INSTALLED. THE UNIT IS
SHIPPED WITH THE CASTERS IN PLACE AND
THEY SHOULD NOT BE REMOVED. PERSONAL
INJURY AND DAMAGE TO THE UNIT MAY RESULT.
2
PARTS IDENTIFICATION/FUNCTION/PHOTOS
(DABC-1PS Shown, DABC-1TL Same except as noted)
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
1 62385 Outer Cabinet Top 1 Covers and protects the controls, wiring and components.
2 63045 Front Door Handle 1 Provides access to the unit and secures the door when
closed.
3 62391 Front Door Wrap 1 Provides an exterior cover for the cavity door assembly.
4 63042 Swivel Wheel with Brake 2 Allows the unit to be moved about and secures it in place
when stationary.
5 63425 Front Control Panel Sub-
Assembly
1 Used to mount electrical control components.
3
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
10 62405 Cord Strain Relief
DABC-1PS DABC-1TL
2
1
Attaches cord to the conversion panel.
11 62378 Electric Conversion Panel 1 Attaches plug/connector assemblies to the unit.
12 56307 Cord 14/3 STO (DABC-1PS
ONLY)
2 ft. Transfers electric power to secondary equipment,
13 62404 Female Connector (DABC-1PS
ONLY)
1 Connects power to 120 VAC, 15 amp maximum secondary
equipment.
14 62384 Side Panel 2 Side cover of the unit. (1 per left and right side)
15 56313 Cord 14/4 STO (DABC-1PS
ONLY)
11 ft. Transfers electric power to the unit.
56307 Cord 14/3 STO (DABC-1TL
ONLY)
11 ft.
16 62412 Plug 4-Wire P&S (DABC-1PS
ONLY)
1 Connects the unit to the electrical power.
60649 Plug L5-20P (DABC-1TL ONLY) 1
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
6 63426 Rear Control Panel Sub-
Assembly
1 Used to mount electrical control components.
7 62370 Rear Door Wrap 1 Provides an exterior cover for the cavity door assembly.
8 63041 Ridged Wheel 2 Allows the unit to be moved about.
9 62389 Rear Door Handle 1 Provides access to the unit and secures the door closed.
4
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
17 62376 Blank Electrical Conversion
Panel
1 Opposite side cover for power conversion.
18 60787 Door Hinge 4 Mounts the doors to the cabinet and allows the doors to open
and close. (2 per front and rear door)
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
19 63045 Front Door Striker Plate 1 Latches door to cabinet and houses the door ajar sensor.
20 63212 Tray Rack 2 Holds biscuit tray. (1 for the left and 1 for the right sides of the
cavity)
21 60794 Crumb Shield 1 Prevents crumbs from falling into the water.
22 62373 Front Door Interior Panel 1 Secures the door gasket and protects the insulation.
23 60820 Front Door Gasket 1 Seal to retain the interior environment.
7
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
24 61776 Power On Switch 1 Turns the electrical power on or off to the unit.
25 60758 Power Telite (Red) 1 Indicates that the power is on to the unit.
26 60825 Rear Door Ajar Telite (L.E.D.) 1 Indicates when the front door is ajar.
27 62417 Timer Program Switch 1 Programs the desired time into the internal product timer.
28 62418 Timer Operate Switch 3 Starts and stops the internal product timer.
29 62411 Rear Door Gasket 1 Seal to retain the interior environment.
30 63206 Rear Door Interior Panel 1 Secures the door gasket and protects the insulation.
31 62364 Bottom Panel 2
Covers the front and rear lower frame members. (1 in the
front and 1 in the rear of the unit)
32 62397 Rear Door Ajar Sensor 1 Detects when the rear door is closed or open.
33 62389 Rear Door Striker Plate 1 Latches door to cabinet and houses the door ajar sensor.
8
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
34* 60819 Front Door Insulation
(not shown)
1 Thermal seal for the front door.
35* 60819 Rear Door Insulation
(not shown)
1 Thermal seal for the rear door.
36 62392 Conduit Bushing 4 Guide for the front and rear thermocouple conduit. (2 each
door)
37 62393 Thermocouple Conduit 2 Conduit for the front and rear air thermocouple wires. (1
each, front and rear door)
38* 56315 Thermocouple Conduit
Insulation Tubing (not shown)
2 Abrasion barrier between the air sensor thermocouple wires
and the thermocouple conduit for the front and rear doors. (1
each front and rear door)
*Not shown
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
39 62367 Front Door Air Sensor 1 Senses the air temperature inside the unit.
40 60789 Front Thermo Bracket 1 Protective guard for the air sensor.
41 62379 Front Air Probe Bracket 1 To hold biscuit oven probe.
42 62413 Rear Door Air Sensor 1 Senses the air temperature inside the unit.
43 60789 Rear Thermo Bracket 1 Protective guard for the air sensor.
44 62379 Rear Air Probe Bracket 1 To hold biscuit oven probe.
10
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
45 62388 Front Door Ajar Sensor 1 Detects when the front door is closed or open.
46 63204 Cavity Assembly 1 Provides the interior surface of the unit.
47 62375 Air Heating Element 2 Heats the air within the cabinet. (1 each side)
48 60815 Thermal/Low Water Sensor
Assembly
1 Senses temperature and water level within the water pan.
49 60807 Water Pan 1 Holds water for humidity.
50 60752 Element Clip 4 Holds the element in place. (2 clips per element)
51* 60799 Side Insulation (not shown) 2 Thermal barrier for both sides of the cabinet, 1 piece per for
each side.
*Not shown
11
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
52 60782 Outer Bottom Insulation 1 Thermal seal around the water pan.
53 62368 Base Rail 2 Base for the wheels to attach to. (1 per each side of the unit)
54 60751 Inner Bottom Insulation 1 Thermal seal around the water pan.
55 60527 High-Limit Water Thermostat 1 Safety device which prevents excessive water pan
temperature.
56 50002 Electrical Jumper 1 Connects the water heating element to the high limit
thermostat.
57 60768 Water Heating Element 1 Heats the water in the pan.
58 60810 Water Heater Element Retainer 1 Holds the water heating element in place.
59* 63044 Base Cover Assembly (not
shown)
1 Covers the water heating element and associated wiring.
*Not shown
12
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
60 61056 Water Pan Gasket 1 Seals the water pan to the bottom of the cavity.
61 61030 Shoulder Washer 1 Water seal and upper sensor insulator.
62 61031 Washer 1 Water seal and lower sensor insulator.
SIDE VIEW
(BOTTOM OF CABINET)
CROSS SECTION A-A
13
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
63* 62392 Wiring Bushing (not shown) 2 Protects the wiring from the sharp edges of the cavity sides.
(1 each, left and right side)
64 51040 Insulation Grommet 2 Protects the wiring from the sharp edges of both sides.
65 62360 Frame Assembly 1 Substructure of the entire cabinet.
66 62418 Timer Operate Switch 3 Starts and stops the internal product timer timing.
67 60825 Front Door Ajar Telite (L.E.D.) 1 Indicates when the rear door is open or closed.
68 63203 Hole Plug 1 Covers the temperature set and calibrate controls.
69 60825 Low Water Telite (L.E.D.) 1 Indicates when water is required.
70 60763 Air/Water Mode Rocker Switch 1 Used to select temperature readout on the display to air or
water.
71 60890 Red Rocker Cover for the
Air/Water Switch
1 External cover for the rocker switch and provides means to
operate switch.
72 60563 Thermostat Telite (White) 2 Indicates when a heater is on.
73 60890 Red Rocker Cover for
Operate/Set Temp. Switch
1 External cover for the rocker switch and provides means to
operate switch.
74 60763 Operate/Set Temp. Mode
Rocker Switch
1 Used to select temperature set and operate functions and
changes the display accordingly on the temperature
controller.
*Not shown
14
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
75 62415 PC Board Support 4 Provides the required spacing of the time display board to the
front control panel and attaches it to the panel.
76 63039 Front Time Display PC Board 1 Displays the product hold time.
77 63040 Timer Control PC Board 1 Logic controller for the time display boards.
78 62409 L.E.D. Telite Lens 1 Protects the telite.
79 62410 L.E.D. Telite Base 1 Mounts the L.E.D. telite to the front control panel.
80 63049 Transformer 1 Provides low voltage power to the electronic controls.
81 60310 Power Terminal Block 1 Connection block for the main power supply to the unit.
82A 60305 Temperature Controller with
Std./Aux. WO/side pots & 12
Term. Power SW.
1 Solid state controller for the air and water temperature.
82B 69064 Temperature Controller with
Wet/Dry SW. W/side pots and 4
Term. Power SW.
1 Solid state controller for the air and water temperature.
83 63201 Spacer 4 Provides the required spacing of the temperature controller
from the front control panel.
15
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
84 62409 L.E.D. Telite Lens 1 Protects the telite.
85 62410 L.E.D. Telite Base 1 Mounts the L.E.D. telite to the front control panel.
86 63201 Spacer 4 Provides proper spacing of the door sensor controller to the
component bracket.
87 62398 Door Sensor Control PC Board 1 Solid state device that determines and indicates whether a
door is open or closed.
88 60964 Water Relay 1 Turns the water heater on and off.
89 60870 Air Relay 1 Turns the air heaters on and off.
90 62399 Electronic Component Bracket 1 Used to mount electrical control components.
16
ITEM
PART
NO.
DESCRIPTION QTY. FUNCTION
91 63039 Rear Time Display Board 1 Displays the product hold time.
92 62415 PC Board Support 4 Provides the required spacing of the time display board to the
rear control panel and attaches it to the panel.
93 63038 Timer Speaker 1 Produces audible 3-tone sound, indicating the end of a time
cycle from the internal timer.
94 57260 Speaker Bracket 1 Holds the speaker in place.
95 62409 L.E.D. Telite Lens 2 Protects the telite.
96 62410 L.E.D. Telite Base 2 Mounts the L.E.D. telite to the front control panel.
17
ITEM PART
NO.
DESCRIPTION QTY. FUNCTION
97 61102 Thermostat Strap 1 Holds the air high-limit thermostat in place.
98 60824 Top Insulation 1 Thermal seal for the top of the unit.
99 61183 Air High-Limit Thermostat 1 Safety device which prevents excessive internal cabinet
temperatures.
18
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
Page is loading ...
/
