Traulsen UHT48 - Table of Contents; The Serial Tag; Reading the Serial Tag

TABLE OF CONTENTS
The serial tag is a permanently affixed sticker on
which is recorded vital electrical and refrigeration data
about your Traulsen product, as well as the model
and serial number. This tag is located on the left
side of the interior compartment of all compact
undercounter refrigerator, freezer and prep table
models.
I. THE SERIAL TAG
-1-
READING THE SERIAL TAG
• Serial = The permanent ID# of your Traulsen
• Model = The model # of your Traulsen
• Volts = Voltage
• Hz = Cycle
• PH = Phase
• Total Current = Maximum amp draw
• Minimum Circuit = Minimum circuit required
• Lights = Light wattage
• Heaters = Heater amperage
• Refrigerant = Refrigerant type used
• Design Pressure = High & low side operating
pressures and refrigerant charge
• Agency Labels = Designates agency listings
I. THE SERIAL TAG 1
II. GENERAL INFORMATION
a-Introduction 2
b-Model Designations 2
c-Wiring Diagrams 2
d-Installation - See Owner’s Manual 2
e-Cleaning 2
f-Tools 2
III. SPECIFICATIONS 3
IV. OPERATING DATA 3-4
V. REMOVAL & REPLACEMENT OF PARTS
a-Evaporator Covers 5
b-Condensing Unit Cover 5
c-Thermostat 6
d-Door Gasket 7
e-Door 7
f-Door Hinge Mechanism 7-8
g-Defrost Timer 9
h-Heaters 9
i-Door Frame Heater 10
j-Condensing Unit Components 11
k-Evaporator Fan Motor 11
l-Condenser Coil 12
m-Compressor 13
n-Condenser Fan Assembly 14
o-Evaporator Coil 15
VI. SERVICE PROCEDURES & ADJUSTMENTS
a-System Access 16
b-Bolt On Piercing Valves 16
c-Seat On Piercing Valves 16
d-Refrigerant Leak Check 16
e-Evacuating System 16-17
f-Charging System 17
g-System Clean-Up 17-18
h-Door Adjustment 18
i-Rehinging Door 18-19
j-Defrost Timer Settings 19
k-Door Perimeter Heater Test 19
l-Defrost Heater Test 19
m-Drain Pan Heater Test 19
VII. ELECTRICAL OPERATION
a-Component Function 19
b-Sequence of Operation 20
c-Component Location 20
VIII. WIRING DIAGRAMS - 27” MODELS 21
IX. WIRING DIAGRAMS - 48” & 60” MODELS 22
X. TROUBLESHOOTING Back Cover
-22-
VIII. WIRING DIAGRAMS - 48” & 60” MODELS
Electrical Diagram - Refrigerator Cabinets
Models: UHT48, UHT60, UPT488, UPT4812, UPT4818, UPT6012, UPT6018 & UPT6024, 120VAC/60HZ/1PH
Electrical Diagram - Freezer Cabinets
Model: ULT48 & ULT60, 120VAC/60HZ/1PH
FORT WORTH, TX.
MADE IN U.S.A.
COMMERCIAL REFRIGERATOR AND/OR FREEZER
R
286L PLATE NO. 432680-5 DATA NO. 432679-
MODEL
ML
VOLTS HZ PH
MAXIMUM FUSE SIZE OR MINIMUM CIRUIT
HACR TYPE CIRCUIT BREAKER AMPACITY
AMPSAMPS
TOTAL
AMPS
MAX. OPERATING AMBIENT
SN NO. MD
REFRIGERANT OUNCES
TYPE MAXIMUM
LIGHT AMPS EVAPORATOR FAN MOTORS QTY.
FULL LOAD
AMPS EACH
DESIGN
PRESSURE
PSIG
H.S L.S
ANTICONDENSATE HEATER AMPS DEFROST HEATER AMPS
COMPRESSOR RATED LOAD AMPS LRA AMPS
CONDENSER FAN MOTORS QTY FULL LOAD AMPS EACH