General Information; Introduction; Model Designations; Wiring Diagram - Traulsen UHT48 Service Manual

II. a - INTRODUCTION:
This manual applies to the following Traulsen
models:
UHT27, UHT48 & UHT60 Compact Undercounter
Refrigerator Models
ULT27, ULT48 & ULT60 Compact Undercounter
Freezer Models
UPT276, UPT279, UPT488, UPT4812, UPT4818,
UPT6012, UPT6018 & UPT6024 Compact Prep
Table Refrigerator Models
All of the information, illustrations and specifica-
tions contained in this manual are based on the
latest product information available at the time of
printing.
II. b - MODEL DESIGNATIONS:
The three letter model prefix indicates the type:
UHT = Compact Undercounter Refrigerator
ULT = Compact Undercounter Freezer
UPT = Compact Prep Table
The next two numbers indicate the product width:
27 = 27" Wide Refrigerator, Freezer or Prep Table
48 = 48" Wide Refrigerator, Freezer or Prep Table
60 = 60" Wide Refrigerator, Freezer or Prep Table
The last one or two number indicates the pan
capacity (prep tables only):
6 = Six (6) Sixth Size Pan Capacity
8 = Eight (8) Sixth Size Pan Capacity
9 = Nine (9) Sixth Size Pan Capacity
12 = Twelve (12) Sixth Size Pan Capacity
18 = Eighteen (18) Sixth Size Pan Capacity
24 = Twenty Four (24) Sixth Size Pan Capacity
II. c - WIRING DIAGRAM:
Refer to the wiring diagrams on pages 21 and 22 for
any service work performed on the unit. Should you
require another copy, please contact Traulsen Ser-
vice at (800) 825-8220, and provide the model and
serial number of the unit involved.
II. d - INSTALLATION:
Generally compact undercounter refrigeration prod-
ucts are installed by the dealer or others contracted
by the dealer or owner. Detailed installation instruc-
tions are included with each unit.
II. e - CLEANING:
Detailed cleaning instructions are included with each
unit, however special care MUST be given to the con-
denser coil. The condenser coil must be cleaned at
a minumum of every six months. This can be done
with a vacuum cleaner using a brush attachment, or
a stiff brush or wisk broom. For more information
please refer to section "V. a & b" of the Compact
Undercounter Owner's Manual.
II. GENERAL INFORMATION
II. f - TOOL REQUIREMENTS:
For most jobs a standard set of hand tools, a VOM
with AC current tester, along with a temperature tester
or thermometer are adequate. However in some cases
the following additional tools may be required as well:
-2-
• Refrigeration Reclaiming Equipment
• Acetylene Torch
• Nitrogen Bottle With Gauges
• Nitrogen Regulator
• Refrigeration Gauge Manifold
• Refrigerant Scale
• Valve Core Removal Kit