Duke HDC3-37.5 Service Manual
Operators and Service Manual
Hot Dry Channel Holding Unit
U.S. and Foreign Patents Pending
Rev 08/22/2008 1 of 14 228987
For information or technical assistance, call:
TOLL FREE
(800) 735-DUKE (3853)
or
(314) 231-1130
214
RESTAURANT
Caution!
DRY CHANNEL HOLDING UNIT
EQUIPMENT
MANUAL
TABLE OF CONTENTS
Manufacturer’s Introduction .......................................................................................................................................2
Specification Sheet......................................................................................................................................................3
Installation Instructions............................................................................................................................................... 6
Operating Instructions................................................................................................................................................. 6
Periodic Maintenance, Checklist And Cleaning Guide .............................................................................................7
Troubleshooting........................................................................................................................................................... 8
Electronic Control Fault Indications ..........................................................................................................................8
Control Programming ..................................................................................................................................................9
Parts Lists And Illustrations .......................................................................................................................................9
Wiring Schematic.......................................................................................................................................................12
Wiring Layout for Relay Box Connection…………………………………………………………………………………..13
Manufacturer’s Introduction
The Duke Dry Channel Holding Unit was
developed to provide the market with a more
efficient method of keeping food warm. This
equipment uses electronically controlled heaters to
warm aluminum channels to a user programmable
temperature. Advantages over steam tables
include lower energy and maintenance costs.
Unpacking Unit:
• Inspect the shipping carton and/or
container, carefully noting any exterior
damage on the delivery receipt, which must
also be signed by the driver/delivery
person.
• Unpack and inspect for any damage, which
was not evident on the outside of the
shipping container (concealed damage).
Contact the carrier immediately and file a
damage claim with them. Save all packing
materials when filing a claim. Freight
damage claims are the responsibility of the
purchaser and are not covered by the
warranty.
• Do not attempt to use the unit if
damaged.
If unit has been stored in extremely cold area, wait
a few hours before connecting power.
Supplier Name:
Duke Manufacturing Co.
Address: 2305 N. Broadway
St. Louis, MO 63102
Model #: HDC3-37.5
HDC4-44
HDC6-37.5
Serial #:
Date Received:
Date Installed:
Telephone: (800) 735-DUKE (3853)
(314) 231-1130
Fax: (314) 231-5074
Service Referral #:
Local Service
Name
Local Service #
Installation requirements
Spacing Requirements: 1” of spacing
required below unit.
Never pour water into wells. This unit is
designed for dry heating only.
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DUKE MANUFACTURING CO.
TOLL FREE 800-735-DUKE (3853)
314-231-1130
314
RESTAURANT
DRY CHANNEL HOLDING UNIT
HDC Specification Sheet
Model HDC3-37.5
Shipping Weight: 160 lbs/59.7 Kg
Electrical: HDC3-37.5 208 V, 10.1 A, 2100 W, 50/60 Hz
240 V, 11.7 A, 2796 W, 50/60 Hz
Figure 1.1
EQUIPMENT
MANUAL
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DUKE MANUFACTURING CO.
TOLL FREE 800-735-DUKE (3853)
314-231-1130
414
RESTAURANT
DRY CHANNEL HOLDING UNIT
HDC Specification Sheet
Model HDC4-44
Shipping Weight: 230 lbs/85.8Kg
Electrical: HDC4-44 208 V, 16.3 A, 3400 W, 50/60 Hz
240 V, 18.9 A, 4528 W, 50/60 Hz
Figure 1.2
EQUIPMENT
MANUAL
4 of 14
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DUKE MANUFACTURING CO.
TOLL FREE 800-735-DUKE (3853)
314-231-1130
514
RESTAURANT
DRY CHANNEL HOLDING UNIT
HDC Specification Sheet
Model HDC6-37.5
Shipping Weight: 315 lbs/117.6Kg
Electrical: HDC6-37.5 208 V, 20.2 A, 4200 W, 50/60 Hz
240 V, 23.3 A, 5592 W, 50/60 Hz
Figure 1.3
EQUIPMENT
MANUAL
5 of 14
U.S. and Foreign Patents Pending
DUKE MANUFACTURING CO.
TOLL FREE 800-735-DUKE (3853)
314-231-1130
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