Traulsen RMC Series User manual

INITIAL START DATE: SERIAL NO.
MODEL TYPE:
COMPANY/INDIVIDUAL NAME:
INSTALLER:
This Traulsen unit is built to our highest quality standards. We build our refrigerators and freezers this way as a matter of
pride. This philosophy has made Traulsen the leader in commercial refrigeration since 1938. We thank you for your choice and
condence in Traulsen equipment and we know you will receive many years of utility from this equipment.
All Traulsen units are placed on a permanent record le with the service department. In the event of any future questions you
may have, please refer to the model and serial number found on the name tag afxed to the unit. Should you need service, call
us on our toll free number, 800-825-8220 between 7:30 am - 4:30 pm CST, Monday thru Friday. You may also log onto www.
traulsen.com for further information. It is our pleasure to help and assist you in every possible way.
OWNER’S MANUAL
Instructions for the installation, operation
and maintenance of Traulsen:
FORM NUMBER TR35944 (REV. 10-01-20) P/N 375-60324-00
Quality Refrigeration
INSTALLER
COMPLETE THE FOLLOWING INFORMATION PRIOR TO UNIT INSTALLATION
RMC Milk Cooler
RMC34, RMC49 & RMC58 Models
* For equipment produced after 10-2020 only

-1-
I. THE SERIAL TAG Page 1
a) Serial Tag & Location Page 1
b) Reading The Serial Tag Page 1
II. RECEIPT INSPECTION Page 2
III. INSTALLATION Page 2
a) Location Page 2
b) Packaging Page 2
c) Installing Legs or Casters Page 2
d) Cord & Plug Page 2
e) Power Supply Page 2
IV. OPERATION Page 3
a) Top Door Latch Page 3
b) Operation Display Indicators Page 3
c) Milk Cooler Operation Page 3
d) Refrigerating Product Page 3
V. CARE AND MAINTENANCE Page 3
a) Cleaning the Condenser/Filter Page 3
b) Replacing the Door Gaskets Page 3
c) Cleaning the Surfaces Page 4
VI. WIRING DIAGRAM Page 5
VII. CONTROL BASICS Page 6
a) Information Menu Page 6
b) Adjusting Cabinet Setpoint Page 6
c) Initiating a Defrost Page 6
d) Conguration Parameters Page 7
e) Technical Data Page 7
f) Componets and Wiring Diagram Page 12
VIII. SERVICE/WARRANTY INFORMATION Page 13
a) Troubleshooting Guide Page 13
b) Service Information Page 14
c) Spare Parts Information Page 14
d) Warranty Registration Page 14
e) Warranty Statement Page 15
I. THE SERIAL TAG
I. a - SERIAL TAG & LOCATION
The serial tag is a permanently afxed label 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 in the
left interior compartment on all standard milk cooler models.
I. b - READING THE SERIAL TAG
• Model = The model # of your Traulsen unit
• (S/N) Serial Number = The permanent ID# of your Traulsen
unit
• Refrigerant SYS1= System 1 Refrigerant type used and
refrigerant charge
• Design Pressure= System 1 High and Low Pressure
• Refrigerant SYS2= System 2 Refrigerant type used and
refrigerant charge
• Design Pressure= System 2 High and Low Pressure
• Volts = Voltage
• Hz = Cycle
• Total Current = Maximum amp draw
• Min Circuit Amps = Minimum circuit ampacity
• Agency Labels = Designates agency listings
This unit is listed to UL 471, CSA 120 and NSF 7 by an
approved NRTL.
Consult the factory or unit data plate for approval
information.
• Components = Component Ratings
TABLE OF CONTENTS
4401 Blue Mound Rd.
Ft. Worth, TX 76106
800-825-8220
Input Power (ELIN) -FOR INDOOR USE ONLY
115-208/230V ~ 60Hz 8.0A (8,0A)
MODEL:
MODELO:
MODELE: RDT232WUT-FHS
S/N: T25364A14
REFRIGERANT / REFRIGERANTE / RÉFRIGÉRANT
SYS1 (REFM): R-134a 8.4oz 238.1 g (238,1 g)
Hi Press. (PRESH): 500psi 3.45 MPa (3,45 Mpa)
Lo Press. (PRESL): 250 psi 1.72 Mpa (1,72 Mpa)
SYS2 (REFA): R-404a 12.5oz 354.4g (354,4g)
Hi Press. (PRESH): 500psi 3.45MPa (3,45MPa)
Lo Press. (PRESL): 250psi 1.72Mpa (1,72Mpa)
(Symbol 1)
(Alt Safety / Other
1)
(Symbol 2)
(Alt. San / Other 2)
(Symbol 3)
(Alt. En. / Other 3)
(Symbol 4)
(WEEE)
(Symbol 5)
(Safety)
(Symbol 6)
(Sanitaon)
(Symbol 7)
(Energy)
(Symbol 8)
(Customer QR
Code / Other 4)
Device/Part Number: PartNum (UL/NSF Notes)
SCAN FOR SERVICE INFO
COMPONENTS / COMPOSANTS / COMPONENTES
COMP AMPS: EVAP FAN AMPS:
COND FAN AMPS: LIGHT WATTS:
DEF HTR AMPS: CTRL AMPS:
DOOR HTR AMPS: MIN AMPS:
MAX AMPS:
370-60297-00 REV.A 11/20/14
4401 Blue Mound Rd.
Ft. Worth, TX 76106
800-825-8220
Input Power (ELIN) -FOR INDOOR USE ONLY
115-208/230V ~ 60Hz 8.0A (8,0A)
MODEL:
MODELO:
MODELE: RDT232WUT-FHS
S/N: T25364A14
REFRIGERANT / REFRIGERANTE / RÉFRIGÉRANT
SYS1 (REFM): R-134a 8.4oz 238.1 g (238,1 g)
Hi Press. (PRESH): 500psi 3.45 MPa (3,45 Mpa)
Lo Press. (PRESL): 250 psi 1.72 Mpa (1,72 Mpa)
SYS2 (REFA): R-404a 12.5oz 354.4g (354,4g)
Hi Press. (PRESH): 500psi 3.45MPa (3,45MPa)
Lo Press. (PRESL): 250psi 1.72Mpa (1,72Mpa)
(Symbol 1)
(Alt Safety / Other
1)
(Symbol 2)
(Alt. San / Other 2)
(Symbol 3)
(Alt. En. / Other 3)
(Symbol 4)
(WEEE)
(Symbol 5)
(Safety)
(Symbol 6)
(Sanitaon)
(Symbol 7)
(Energy)
(Symbol 8)
(Customer QR
Code / Other 4)
Device/Part Number: PartNum (UL/NSF Notes)
SCAN FOR SERVICE INFO
COMPONENTS / COMPOSANTS / COMPONENTES
COMP AMPS: EVAP FAN AMPS:
COND FAN AMPS: LIGHT WATTS:
DEF HTR AMPS: CTRL AMPS:
DOOR HTR AMPS: MIN AMPS:
MAX AMPS:
370-60297-00 REV.A 11/20/14
R-450A
330psi 2.28g (2,28 Mpa)
150 psi 1.03g (1,03 Mpa)

-2-
II. RECEIPT INSPECTION III. INSTALLATION (continued)
II. a - RECEIPT INSPECTION
All Traulsen products are factory tested for performance
and are free from defects when shipped. The utmost care
has been taken in crating this product to protect against
damage in transit.
You should carefully inspect your unit for damage during
delivery. If damage is detected, you should save all the
crating materials and make note on the carrier’s Bill Of
Lading describing the damage. A freight claim should be
led immediately. If damage is subsequently noted during
or immediately after installation, contact our customer care
team to le a freight claim. There is a ve(5) day limit to le
freight damage with the carrier. Under no condition may a
damaged unit be returned to Traulsen without rst obtaining
written permission (return authorization). You may contact
Hobart/Traulsen customer care at 800-333-7447 to request
a return or le a claim.
III. INSTALLATION
III. a - LOCATION
Select a proper location for your unit, away from extreme
heat or cold.
III. b - PACKAGING
Your Traulsen unit is shipped from the factory bolted to a
sturdy wooden pallet in stretch wrapped material.
Most exterior stainless steel surfaces have a protective
vinyl covering to prevent scratching during manufactur- ing,
shipping and installation. After the unit is installed in place
of application peel, remove and discard the covering from
all surfaces.
To remove the wooden pallet, rst if at all possible, we
suggest that the cabinet remain bolted to the pallet dur- ing
all transportation to the point of nal installation. The bolts
can then be removed with a 1/2” socket wrench. Avoid laying
the unit on its back for removal of the pallet.
NOTE: Traulsen does not recommend laying the unit on
its back. If you must, please allow the unit to remain in an
upright position for 24 hours before plugging it in so that the
compressor oils and refrigerant may settle.
III. c - INSTALLING LEGS OR CASTERS
Casters are installed at the factory but will require adjust-
ment upon installation.
To adjust the legs or casters, loosen the two bolts and move
leg or caster to desired location, spacing between leg or
caster not to exceed 48 inches. Leg or caster on each end of
the unit can not exceed 8 inches from the end of the cabinet.
III. c - INSTALLING LEGS OR CASTERS (cont’d)
Fig. 1
III. d - CORD & PLUG:
All self-contained models are shipped standard with a
NEMA 5-15P plug and 9 foot cord . Select only a dedicated
electrical outlet for power source.
NOTE: Do not under any circumstances, cut or remove
the round grounding prong from the plug, or use an
extension cord.
III. e - POWER SUPPLY
The supply voltage should be checked prior to connection
to be certain that proper voltage for the cabinet wiring is
available (refer to the serial tag to determine correct unit
voltage, see page 1). Make connections in accordance with
local electrical codes. Use qualied electricians.
Use of a separate, dedicated circuit is required. Size wiring
to handle indicated load and provide necessary over current
protector in circuit (see amperage requirements on the unit’s
serial tag).

-3-
IV. a - TOP DOOR LATCH
To adjust the latch on the top door turn the safety screw
on each side clockwise to tighten and counter-clockwise
to loosen.
IV. b - OPERATION DISPLAY INDICATORS
Milk Coolers do not require manual defrosting. However,
manual defrost option is available on the control, if required.
During normal operation, the display shows either the
temperature measured or one of the following indications:
IV. c - MILK COOLER OPERATION
During normal operation, a milk cooler continuously circulates
above-freezing cabinet air through the evaporator coil. An
Off-Cycle defrost occurs every 8 hours for a maximum length
of 50 minutes to melt any frost which may accumulate on
the coil during the compressor “ON” cycle. With standard
holding milk coolers, high relative humidity is also maintained
to prevent dehydration of stored product.
IV. d - REFRIGERATING PRODUCT
Milk Cooler models will satisfactorily refrigerate an assorted
load of food items. Allow space between articles to permit
free air circulation. Do not overload at any one time with
warm food products and expect immediate results. A certain
amount of time is required to remove heat from items before
operating temperatures can be attained. The system is
designed for storage of refrigerated product.
Opening the door will increase the temperature in the cabinet
and will require a certain amount of time to recover. Also,
after peak service periods or after warm product is loaded,
the milk cooler will require a certain amount of time for the
temperature to return to the normal operating range.
V. a - CLEANING THE CONDENSER/FILTER
The most important thing you can do to insure a long,
reliable service life for your Traulsen is to regularly clean
the condenser coil and or lter.
WARNING: DISCONNECT ELECTRICAL POWER
SUPPLY BEFORE CLEANING ANY PARTS OF THE UNIT.
To clean the condenser/lter, rst disconnect electrical power
to the cabinet and remove the system side cover.
Proceed to vacuum or brush any dirt, lint or dust from the
nned condenser coil/lter, the compressor and other cooling
system parts. If signicant dirt is clogging the condenser ns
or lter, use compressed air to blow this clear. To replace
the system side cover reverse the process.
V. b - REPLACING THE DOOR GASKETS
To remove the gasket to be replaced, grasp it rmly by one
corner and pull it out. Before attempting to install a new
gasket, both the unit and the gasket itself must be at room
temperature. Insert the four corners rst by using a rubber
mallet (or hammer with a block of wood).
After the corners are properly inserted, work your way
towards the center from both ends by gently hitting with a
mallet until the gasket is completely seated in place (see
gure below for proper gasket placement).
NOTE: The gasket may appear too large, but if it is installed
as indicated above it will slip into place.
NOTE: System gasket attached with screw.
SCALE 1 : 2
DETAIL B
SCALE 2 : 1.5
TURN THE SAFETY SCREWS
CLOCKWISE TO TIGHTEN
THE LATCH
NO SCALE
SIZE
DWG. NO.
A
REV.
MATERIAL
FINISH
-
--
DO NOT SCALE DRAWING
DIMENSIONS ARE IN INCHES
TOLERANCES:
NAME
DATE
DRAWN
CHECKED
ENG APPR.
MFG APPR.
Q.A.
SHEET 1 OF 1
WEIGHT: 0
COMMENTS:
THIS DOCUMENT CONTAINS PROPRIETARY AND CONFIDENTIAL DATA OF TRAULSEN & CO. INC.
NO DISCLOSURE, REPRODUCTION OR USE OF ANY PART THEREOF MAY BE MADE WITHOUT
WRITTEN PERMISSION OF TRAULSEN & CO. INC.
ANY VENDOR SUPPLYING PARTS UNDER THIS DRAWING AGREES NOT TO REVISE ANY PHYSICAL,
DIMENSIONAL, MATERIAL OR PERFORMANCE CHARACTERISTICS OF SUCH PARTS AFTER
APPROVAL BY TRAULSEN & CO. INC. GROUP OF VENDOR SAMPLES UNLESS AUTHORIZED IN
WRITING BY TRAULSEN & CO. INC.
PROPRIETARY AND CONFIDENTIAL
000-60330-00
B
.XX .03 FRACTIONS 1/32
.XXX .015 ANGLES 1/2
HOLES .005
PARTS ARE TO FREE OF BURRS AND SHARP EDGES
INSTRUCTION DR. LATCH ADJUSTMENT
S.KUKOLJ 5/16/14
000-60330-00
Turn Safety Screws
Clockwise To Tighten
The Latch
Fig. 2
IV. OPERATION V. CARE AND MAINTENANCE
Top Door
Gasket
Front Door
Gasket
Fig. 3

-4-
V. c - CLEANING THE CABINET SURFACES
WARNING: DISCONNECT ELECTRICAL POWER
SUPPLY BEFORE CLEANING ANY PARTS OF THE UNIT.
Exterior stainless steel should be cleaned with warm water,
mild soap and a soft cloth. Apply with a dampened cloth
and wipe in the direction of the metal grain.
Avoid the use of strong detergents and gritty, abrasive
cleaners as they may tend to mar and scratch the surface.
Do NOT use cleansers containing chlorine, such as bleach,
this may promote corrosion of the stainless steel.
Care should also be taken to avoid splashing the unit with
water, containing chlorinated cleansers, when mopping the
oor around the unit.
For stubborn odor or spills, use baking soda and water
(mixed to a 1 tbsp baking soda to 1 pint water ratio).
A stainless steel polish is recommended for shining of unit
The unit is equipped with a drain for cleaning the inside of
the unit.
V. CARE AND MAINTENANCE ( continued)

-5-
VI. a - WIRING DIAGRAM
NOTE: Refer to the wiring diagram below for any service work performed by a qualied technician.
VI. WIRING DIAGRAM

-6-
Your new Milk Cooler is equipped with a digital control, which
precisely regulates operation. It is supplied from the factory
completely ready for use and is located next to the
refrigeration system underneath the cover.
VII. a - INFORMATION MENU
The information available in this menu is:
* displayed only if enabled (see Conguration Parameters)
** displayed only if ACC > 0
Access to menu and information displayed:
• Press and immediately release button .
• With button or select the data to be displayed.
• Press button to display value.
• To exit from the menu, press button or wait for 10 seconds.
Initiate Stand-By:
Keeping the button pressed for 3 seconds allows the
controller to be put on a standby or output control to be
resumed (with SB=YES only).
Locking the Keypad:
The keypad lock avoids undesired, potentially dangerous
operations, which might be attempted when the controller is
operating in a public place. In the INFO menu, set parameter
LOC = YES to inhibit all functions of the buttons. To resume
normal operation of keypad, adjust setting so that LOC = NO.
VII. b - ADJUSTING CABINET SETPOINT
Setpoint display and modication:
• Press button for atleast a half second to display the
setpoint value.
• While keeping the button pressed, use button
or to set the desired value (adjustment is
within the minimum SPL and the maximum SPH limit).
• When button is released, the new value is stored.
VII. c - INITIATING A DEFROST
Automatic defrost:
Defrost starts automatically as soon as the time set with
parameter DFT has elapsed.
• Timed defrost: With DFM = TIM defrosts take place at
regular intervals when the timer reaches the value of
DFT. For example, with DFM = TIM and DFT = 36, a
defrost will take place every 6 hours.
• Optimized defrost: With DFM = FRO the timer is only
increased when the conditions occur for frost to form
on the evaporator, until the time set with parameter
DFT is matched. If the evaporator works at 0°F, defrost
frequency depends on the thermal load and climatic
conditions. With setpoints much lower than 0°F, defrost
frequency mainly depends on the milk cooler operating
time.
• Defrost time count backup: At the power-up, if DFB =
YES, the defrost timer resumes the time count from
where it was left off before the power interruption. Vice
versa, with DFB = NO, the time count re-starts from 0.
In stand-by, the accumulated time count is frozen.
Manual or remote defrost start:
It’s possible to manually start a defrost, by pressing button
for 2 seconds.
Defrost type. Once defrost has started, Compressor and
Defrost outputs are controlled according to parameter
DTY. If FID = YES, the evaporator fans are active during
defrost.
Defrost termination. The actual defrost duration is
inuenced by a series of parameters.
• Time termination: T2 = NO and T3 different from 2EU:
the evaporator temperature is not monitored and defrost
will last as long as time DTO.
• Temperature monitoring of one evaporator: T2 = YES
and T3 different from 2EU. In this case, if the sensor
T2 measures the temperature DLI before the time DTO
elapses, defrost will be terminated in advance.
VII. CONTROL BASICS

-7-
VII. c - INITIATING A DEFROST (cont’d)
Resuming thermostatic cycle:
When defrost is over, if DRN is greater than 0, all outputs
will remain off for DRN minutes, in order for the ice to melt
completely and the resulting water to drain. Moreover, if
probe T2 is active (T2 = YES), the fans will re-start when
the evaporator gets to a temperature lower than FDD; Vice
versa, if probe T2 is not active (T2 = NO) or after defrost
has come to an end, such condition does not occur by end
of the time FTO, after FTO minutes have elapsed the fans
will be switched on anyway.
Caution: if DFM = NON or C-H = HEA all defrost functions
are inhibited; if DFT = 0, automatic defrost functions are
excluded.
VII. d - CONFIGURATION PARAMETERS
Parameter Conguration:
• To get access to the parameter conguration menu,
press button and for 5 seconds.
• With button or select the parameter to be
modied.
• Press button to display the value.
• By keeping button pressed, use button or to
set the desired value.
• When button is released, the newly programmed
value is stored and the following parameter is displayed.
• To exit from the setup, press button or wait for 30
seconds.
VII. e - TECHNICAL DATA
Power supply
TRL-002....W 100-240Vac ±10%, 50/60Hz, 3W
Relay output max loads (240Vac)
TRL-002..S/T..-. TRL-002..Q/R..-.
Compressor 16A resistive
12 FLA 48 RLA
12A resistive
12 FLA 48 RLA
Evap. Fan 16A resistive
4 FLA 12 RLA
8A resistive
4 FLA 12 RLA
Defrost 16A resistive
4 FLA 12 RLA
16A resistive
4 FLA 12 RLA
Auxiliary loads 1 7A resistive 7A resistive
Auxiliary loads 2 7A resistive 7A resistive
Input
NTC 10KΩ@25°C LAE Part No. SN4...
Measurement Range
<0.5 within the measurement range
Operating Conditions
-10... +50°C; 15%...80% r.H.
CE (Approvals and Reference Norms)
EN60730-1; EN60730-2-9; EN55022 (Class B); EN50082-1
VII. CONTROL BASICS (continued)

-8-
PAR RANGE DESCRIPTION
SPL -58..SPH Minimum limit for SP setting.
SPH SPL...180° Maximum limit for SP setting.
SP SPL... SPH Setpoint (value to be maintained in the room).
C-H REF; HEA Refrigerating (REF) or Heating (HEA) control mode.
HY0 1...10° Thermostat OFF -> ON differential.
HY1 0...10° Thermostat ON -> OFF differential.
CRT 0...30min Compressor rest time. The output is switched on again after CRT minutes have elapsed since
the previous switchover. We recommend to set CRT=03 with HY0<2.0°.
CT1 0...30min Compressor/Heater output run when probe T1 is faulty. With CT1=0 the output will always remain
OFF.
CT2 0...30min Compressor/Heater output stop when probe T1 is faulty. With CT2=0 and CT1>0 the output will
always be ON.
Example: CT1=4, CT2= 6: In case of probe T1 failure, the compressor will cycle 4 minutes ON
and 6 minutes OFF.
DFM NON;
TIM;
FRO
CRN
Defrost start mode
NON : defrost function is disabled (the following parameter will be FCM).
TIM : regular time defrost.
FRO : the defrost time count is only increased when the conditions occur for frost to form on the
evaporator (optimized time increase).
CRN : defrost is based off of compressor run time (time is based off of DAT).
DFT 0...250 Time interval among defrosts in x10 minutes. When this time has elapsed since the last defrost, a new
defrost cycle is started. Each number is multiplied by 10 minutes. 0-250 indicates 0-2500 minutes.
DAT 0…100
hours
Frost accumulation timeout.
DFB NO/YES Defrost timer backup. With DFB=YES, after a power interruption, the timer resumes the count from
where it was left off with ±30 min. approximation. With DFB=NO, after a power interruption, the
defrost timer will re-start to count from zero.
DLI -58...180° Defrost end temperature.
DMD 0…30min Minimum defrost duration.
DTO 1...120min Maximum defrost duration.
DTY OFF; ELE;
GAS
Defrost type
OFF: off cycle defrost (Compressor and Heater OFF). ELE: electric defrost (Compressor OFF and
Heater ON). GAS: hot gas defrost
(Compressor and Heater ON).
DSO OFF;
LO;
HI
Defrost start optimization
OFF : no optimization.
LO : defrost waits until the compressor cut-out.
HI : defrost waits until the compressor cut-in.
SOD 0...30 min Start optimization delay.
DPD 0...240sec Evaporator pump down. At the beginning of defrost, defrost outputs (determined by DTY) are
OFF for DPD seconds.
DRN 0...30min Pause after defrost (evaporator drain down time).
VII. CONTROL BASICS (continued)

-9-
PAR RANGE DESCRIPTION
DDM RT;
LT;
SP;
DEF
Defrost display mode. During defrost the display will show:
RT: the real temperature;
LT : the last temperature before defrost;
SP : the current setpoint value;
DEF : “dEF”.
DDY 0...60min Display delay. The display shows the information selected with parameter DDM during defrost
and for DDY minutes after defrost termination.
FID NO/YES Fans active during defrost.
FDD -58...180° Evaporator fan re-start temperature after defrost.
FTO 0...120min Maximum evaporator fan stop after defrost.
FCM NON;
TMP;
TIM
Fan mode during thermostatic control.
NON : The fans remain ON all the time;
TMP : Temperature-based control. The fans are ON when the compressor is ON. When the
compressor is turned OFF, the fans remain ON as long as the temperature difference Te-Ta
is greater than FDT. The fans are turned ON again with FDH differential. (Te = Evaporator
temperature, Ta = Air temperature);
TIM : Timed-based control. The fans are ON when the compressor is ON. When the compressor
is OFF, the fans switch ON and OFF according to parameters FT1, FT2,FT3
FDT -12...0° Evaporator-Air temperature difference for the fans to turn OFF after the compressor has stopped.
FDH 1...12° Temperature differential for fan re-start.
Example: FDT = -1, FDH=3. In this case, after the compressor has stopped, the fans are OFF when
Te > Ta - 1 (FDT), whereas the fans are ON when Te < Ta - 4 (FDT-FDH).
FT1 0...180sec Fan stop delay after compressor/heater stop. See Fig. 2
FT2 0...180 Timed fan stop in x10 seconds. With FT2=0 the fans remain on all the time.
FT3 0...180 Timed fan run in x10 seconds. With FT3=0, and FT2 > 0, the fans remain off all the time.
ATM NON;
ABS;
REL
Alarm threshold management.
NON : all temperature alarms are inhibited (the following parameter will be ACC).
ABS : the values programmed in ALA and AHA represent the real alarm thresholds.
REL : the alarm threshold is obtained by the sum of setpoint, thermostat differential and ALR/
AHR.
ALA -58... 180° Low temperature alarm threshold.
AHA -58... 180° High temperature alarm threshold.
ALR -12... 0° Low temperature alarm differential. With ALR=0 the low temperature alarm is excluded.
AHR 0... 12° High temperature alarm differential. With AHR=0 the high temperature alarm is excluded.
ATI T1; T2; T3 Probe used for temperature alarm detection.
ATD 0... 120 min Delay before alarm temperature warning.
ACC 0...52 weeks Condenser periodic cleaning. When the compressor operation time, expressed in weeks, matches
the ACC value programmed, “CL” ashes in the display. With ACC=0 the condenser cleaning warning
is disabled and CND disappears from Info Menu.
IISM NON;
MAN;
ECO;
DI
Switchover mode to second parameter set
NON : inhibition to use the second parameter group (the following parameter will be SB).
MAN : button switches the two parameter groups over.
ECO : automatic switchover to the second parameter group, when ECO conditions are detected.
DI : switchover to the second parameter group when DIx input is on.
IISL -58... IISH Minimum limit for IISP setting.
IISH IISL... 180° Maximum limit for IISP setting.
IISP IISL... IISH Setpoint in mode 2.
IIH0 1... 10° Thermostat OFF->ON differential in mode 2.
VII. CONTROL BASICS (continued)

-10-
VII. CONTROL BASICS (continued)
PAR RANGE DESCRIPTION
IIH1 0... 10° Thermostat ON->OFF differential in mode 2.
IIDF 0...250 Time interval among defrosts in mode 2 in x10 minutes.
IIFC NON;
TMP;
TIM
Fan control in mode 2. See FCM.
ECS 1...5 Controller sensitivity for the automatic switchover from Group I to Group II (1=minimum, 5=maximum).
ECS 1…5 Controller sensitivity for the automatic switchover.
EPT 0...240 min Eco pull-down time. Only with IISM=ECO. Group I parameters are used in regulation for at least
EPT minutes. See Fig.3
SB NO/YES Stand-by button enabling.
DSM NON;
ALR;
STP
Door switch input mode:
NON : door switch inhibited
ALR : when DIx=DOR and the digital input is on, an alarm is generated after ADO minutes
STP : when DIx=DOR and the digital input is on, in addition to the alarm, the fans are
immediately stopped and the compressor is stopped after CSD minutes.
DAD 0...30 min Delay before door open alarm warning.
CSD 0...30 min Compressor/heater stop delay after door has been opened.
D1O NON;
DOR;
ALR;
IISM;
RDS
DI1 digital input operation
NON : digital input 1 not active.
DOR : door input.
ALR : when the input is on, an alarm is generated (if AHM=STP, the compressor is stopped and
the defrosts are suspended).
IISM : when the input is on, the controller will use group 2 parameters.
RDS : when the input is on, a defrost is started (remote control).
D1A OPN;
CLS.
DI1 digital input activation.
OPN : on open
CLS : on close
D2O See D1O DI2 digital input operation. See D1O.
D2A OPN;
CLS.
DI2 digital input activation.
OPN : on open
CLS : on close
PSL -58…158 Minimum setpoint adjusted via potentiometer.
PSR 0…15 Range of setpoint adjusted via potentiometer.
LSM NON;
MAN;
ECO;
DI1;
DI2;
DI3.
Light control mode
NON : light output not controlled.
MAN : light output controlled through button (if OAx=LGT).
ECO : lights activated/deactivated following the ECO state.
DIx : lights activated/deactivated following the DIx state.
LSA OPN;
CLS
Light activation (only with LSM=ECO or LSM=DIx).
OPN : lights on with DIx open or ECO mode deactivated.
CLS : lights on with DIx closed or ECO mode activated.
OT1 0…600 sec Activation time of OA1
OT2 0…600 sec Pause between OA1 activation

-11-
VII. CONTROL BASICS (continued)
PAR RANGE DESCRIPTION
OA1 NON;
LGT;
0-1;
2CU;
2EU;
ALO;
ALC
AUX 1 output operation
NON : output disabled (always off).
LGT : output enabled for light control.
0-1 : the relay contacts follow the on/standby state of controller.
2CU : output programmed for the control of an auxiliary compressor.
2EU : output enabled for the control of the electrical defrost of a second evaporator.
ALO : contacts open when an alarm condition occurs.
ALC : contacts make when an alarm condition occurs.
2CD 0...120 sec Auxiliary compressor start delay. If OAx=2CU the auxiliary output is switched on with a delay of
2CD seconds after the main compressor has cut-in. Both compressors are turned off at the same
time.
OS1 -12.5..12.5° Probe T1 offset.
T2 NO/YES Probe T2 enabling (evaporator).
OS2 -12.5..12.5° Probe T2 offset.
T3 NON;
DSP;
CND;
2EU
Auxiliary probe T3 operation
NON : probe T3 not tted.
DSP : temperature T3 to be displayed.
CND : condenser temperature measurement.
2EU : second evaporator temperature measurement.
OS3 -12.5..12.5° Probe 3 offset.
AHM NON;
ALR;
STP;
Operation in case of high condenser alarm
NON : high condenser alarm inhibited.
ALR : in case of alarm, “HC” ashes in the display and the buzzer is switched on.
STP : in addition to the alarm symbols displayed, the compressor is stopped and defrosts are
suspended.
AHT -50...110° Condensation temperature alarm (referred to T3 probe).
TLD 1...30 min Delay for minimum temperature (TLO) and maximum temperature (THI) logging.
TDS T1;
1-2;
T3
Selects the temperature probe to be displayed.
T1 : probe T1
1-2 : the AVG-weighted average between T1 and T2
T3 : probe T3
AVG 0...100% The relative weight of T2 on T1 (if TDS = 1-2)
Example 1: T1 = -5°, T2 = -20°, AVG = 100%. The displayed temperature will be -20° (T1 has no
effect)
Example 2: T1 = -5°, T2 = -20°, AVG = 60%. The displayed temperature will be -14.
SCL 1°C;
2°C;
°F
Readout scale.
1°C : measuring range -50…110°C (0.1°C resolution within -9.9 ÷ 19.9°C interval, 1°C outside)
2°C : measuring range -50 … 110°C
°F : measuring range -55 … 180°F
SIM 0...100 Display slowdown.
ADR 1...255 TRL-002 address for PC communication.
NPR 0…1 Setup programmed.
STT 0…255 Setup traceability.

-12-
VII. CONTROL BASICS (continued)
VII. f - COMPONENTS AND WIRING DIAGRAM
Indications:
Control Wiring Diagram:
Thermostat output
Fan output
Defrost output
Activation of 2nd patameter set
Alarm
Manual activation / Increase button
Exit / Stand-by button

-13-
VIII. SERVICE/WARRANTY INFORMATION (continued)
VIII. a - TROUBLESHOOTING GUIDE
FIND YOUR PROBLEM HERE REMEDY
1. Condensing unit fails to start. a.Check if cord & plug has been disconnected.
b.Check control temperature setting.
2. Condensing unit operates for prolonged periods or
continuously.
a.Are doors closing properly?
b.Dirty condenser or lter. Clean properly.
c.Evaporator coil iced. Needs to defrost. See instructions for
setting a manual defrost cycle on section VII.c.
3. Food compartment is too warm.
a.Check door(s) and gasket(s) for proper seal
b.Perhaps a large quantity of warm food has recently been
added or the door was kept open for a long period of
time, in both cases, allow adequate time for the cabinet
to recover its normal operating temperature.
c.Control setting too high, readjust per instructions on section
VII.b.
d.Check that condensing coil is clean.
4. Food compartment is too cold.
a.Perhaps a large quantity of very cold or frozen food has
recently been added. Allow adequate time for the cabinet
to recover its normal operating temperature.
b.Adjust the control to a warmer setting, see section VII.b.
5. Condensation on the exterior surface.
a.Check door alignment and gaskets for proper seal.
b.Condensation on the exterior surface of the unit is perfectly
normal during periods of high humidity.
6. Compressor hums but does not start. a.Call for service.
7. No power to unit a.Check if cord & plug has been disconnected.
b.Check power supply breaker.

-14-
VIII. SERVICE/WARRANTY INFORMATION (continued)
VIII. b - SERVICE INFORMATION
Before calling for service, please check the following:
Is the electrical cord plugged in?
Is the fuse OK or circuit breaker on?
Is the condenser coil clean?
Is the power switch on?
If after checking the above items and the unit is still not operating properly, please contact an authorized Traulsen service agent:
4401 Blue Mound Road Fort Worth, TX 76106
[phone].
Traulsen reserves the right to change specications or discontinue models without notice.
VIII. c - SPARE PARTS INFORMATION
To purchase replacement parts or to speak to service support for Traulsen units please contact our Ft. Worth facility by phone
at 800-825-8220 or fax to 817-740-6748 (parts) or 817-740-6757 (service).
Note: When calling for spare parts or service support, please make sure you have model and serial number of unit available.
4401 Blue Mound Rd.
Ft. Worth, TX 76106
800-825-8220
Input Power (ELIN) -FOR INDOOR USE ONLY
115-208/230V ~ 60Hz 8.0A (8,0A)
MODEL:
MODELO:
MODELE: RDT232WUT-FHS
S/N: T25364A14
REFRIGERANT / REFRIGERANTE / RÉFRIGÉRANT
SYS1 (REFM): R-134a 8.4oz 238.1 g (238,1 g)
Hi Press. (PRESH): 500psi 3.45 MPa (3,45 Mpa)
Lo Press. (PRESL): 250 psi 1.72 Mpa (1,72 Mpa)
SYS2 (REFA): R-404a 12.5oz 354.4g (354,4g)
Hi Press. (PRESH): 500psi 3.45MPa (3,45MPa)
Lo Press. (PRESL): 250psi 1.72Mpa (1,72Mpa)
(Symbol 1)
(Alt Safety / Other
1)
(Symbol 2)
(Alt. San / Other 2)
(Symbol 3)
(Alt. En. / Other 3)
(Symbol 4)
(WEEE)
(Symbol 5)
(Safety)
(Symbol 6)
(Sanitaon)
(Symbol 7)
(Energy)
(Symbol 8)
(Customer QR
Code / Other 4)
Device/Part Number: PartNum (UL/NSF Notes)
SCAN FOR SERVICE INFO
COMPONENTS / COMPOSANTS / COMPONENTES
COMP AMPS: EVAP FAN AMPS:
COND FAN AMPS: LIGHT WATTS:
DEF HTR AMPS: CTRL AMPS:
DOOR HTR AMPS: MIN AMPS:
MAX AMPS:
370-60297-00 REV.A 11/20/14
4401 Blue Mound Rd.
Ft. Worth, TX 76106
800-825-8220
Input Power (ELIN) -FOR INDOOR USE ONLY
115-208/230V ~ 60Hz 8.0A (8,0A)
MODEL:
MODELO:
MODELE: RDT232WUT-FHS
S/N: T25364A14
REFRIGERANT / REFRIGERANTE / RÉFRIGÉRANT
SYS1 (REFM): R-134a 8.4oz 238.1 g (238,1 g)
Hi Press. (PRESH): 500psi 3.45 MPa (3,45 Mpa)
Lo Press. (PRESL): 250 psi 1.72 Mpa (1,72 Mpa)
SYS2 (REFA): R-404a 12.5oz 354.4g (354,4g)
Hi Press. (PRESH): 500psi 3.45MPa (3,45MPa)
Lo Press. (PRESL): 250psi 1.72Mpa (1,72Mpa)
(Symbol 1)
(Alt Safety / Other
1)
(Symbol 2)
(Alt. San / Other 2)
(Symbol 3)
(Alt. En. / Other 3)
(Symbol 4)
(WEEE)
(Symbol 5)
(Safety)
(Symbol 6)
(Sanitaon)
(Symbol 7)
(Energy)
(Symbol 8)
(Customer QR
Code / Other 4)
Device/Part Number: PartNum (UL/NSF Notes)
SCAN FOR SERVICE INFO
COMPONENTS / COMPOSANTS / COMPONENTES
COMP AMPS: EVAP FANAMPS:
COND FAN AMPS: LIGHTWATTS:
DEF HTR AMPS: CTRL AMPS:
DOOR HTR AMPS: MINAMPS:
MAX AMPS:
370-60297-00 REV.A 11/20/14
VIII. d - WARRANTY REGISTRATION:
The warranties for your new Traulsen unit may be registered with us by by completing warranty information online, via
our website www.Traulsen.com. Click on the Warranty Registration tab under the Service tab. You may also register your
product by calling us directly at 800-825-8220.
Model Number
Serial Number

-15-
VIII. e - WARRANTY STATEMENT
TRAULSEN EQUIPMENT WARRANTY
v. 100215
P/N 375-60359-00 (REV. B)
U.S. Domestic Warranty
For sales of Traulsen refrigeration equipment (“Equipment”) within the United States, Traulsen warrants to the original
purchaser of the Equipment (“Purchaser”) that Traulsen will convey the Equipment free and clear of all liens, security
interests, and encumbrances created by, through or under Traulsen. Traulsen further warrants that for a period of three (3)
years from the later of either (a) the date of delivery to the common carrier or (b) the date of installation (the “Domestic
Warranty Period”) but in no event, shall the Domestic Warranty Period commence later than 3 months from the date of
delivery to the common carrier unless otherwise agreed upon by the parties in writing, under normal use and given proper
installation and maintenance as determined by Traulsen, the Equipment: (a) will conform to the specifications as provided
by Traulsen (“Specifications”) and (b) will be free from substantial defects in material and workmanship.
The warranty period for compressors shall extend for an additional two (2) years beyond the Domestic Warranty Period. In
the case of a nonconforming compressor, Traulsen shall provide a replacement compressor; however, all installation,
recharging, and repair costs shall be the responsibility of Purchaser. In the case of a nonconforming part, Purchaser must
return the part to Traulsen within 30 days from the date of repair. Failure to return a claimed defective part to Traulsen
within the 30 days will waive the right to the warranty claim.
Additionally, Traulsen provides a lifetime warranty on the housing of cam-lift hinges and the workflow handles. In the case
of a non-conforming housing for cam-lift hinge or workflow handle, Traulsen shall provide a replacement part; however,
Purchaser shall be responsible for any other replacement costs, including but not limited to installation and labor.
The Domestic Warranty does not apply to: (a) consumable components or ordinary wear items; (b) components that are
removable without the use of tools including but not limited to gaskets, shelf pins, and light bulbs; (c) use of the Equipment
components or parts not supplied by Traulsen or specified by Traulsen in the Operator’s Manual as set forth on Traulsen’s
website; or (d) damage resulting from fire, water, burglary, accident, abuse, misuse, transit, acts of God, terrorism, power
surges, improper installation, or repairs or installation by unauthorized third parties. Additionally, the Equipment is intended
only for commercial use and should not be used by consumers or households or in any non-commercial application. This
Domestic Warranty does not apply to, and shall not cover, any Equipment that is installed or used in any way in any
residential or non-commercial application. No warranties, express or implied, are provided to any residential, consumer or
non-commercial purchaser or owner of the Equipment.
For Traulsen units purchased for use with a condenser provided by a third-party, this standard warranty will apply only to
those components contained within the unit to the point of connection of the refrigeration lines leading to the third-party
condenser.
In the event of a breach of the warranties set forth above (the “Domestic Warranty”), Traulsen will, at Traulsen’s option and
as Purchaser’s sole remedy, repair or replace, including labor costs, any nonconforming Equipment, provided that (a) during
the Warranty Period Traulsen is promptly notified in writing upon discovery of the nonconformance with a detailed
explanation of any alleged deficiencies; (b) Traulsen is given a reasonable opportunity to investigate all claims; and (c)
Traulsen’s examination of any alleged defective part confirms such alleged deficiencies and that the deficiencies were not
caused by misuse, neglect, improper installation, unauthorized alteration or repair or improper testing. Traulsen reserves the
right to, at its request, require Purchaser shall ship the alleged defective part to Traulsen for inspection and confirmation of
defect. No Equipment may be returned without Traulsen’s approval.
Purchaser is solely responsible for determining if Equipment is fit for a particular purpose and suitable for Purchaser’s
application. Accordingly, and due to the nature and manner of Traulsen’s Equipment, Traulsen is not responsible for
the results or consequences of use, misuse, or application of its Equipment.
THIS DOMESTIC WARRANTY SETS FORTH THE EXTENT OF TRAULSEN’S LIABILITY FOR SALES WITHIN
THE UNITED STATES. EXCEPT AS SET FORTH ABOVE, TRAULSEN MAKES NO WARRANTY OR
REPRESENTATION OF ANY KIND, EXPRESS OR IMPLIED (INCLUDING NO WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE). IN NO EVENT WILL TRAULSEN’S
LIABILITY IN CONNECTION WITH THE AGREEMENT OR SALE OF THE EQUIPMENT EXCEED THE
PURCHASE PRICE OF THE EQUIPMENT AS TO WHICH THE CLAIM IS MADE. IN NO EVENT SHALL
TRAULSEN BE LIABLE FOR ANY LOSS OF USE, LOSS OF PRODUCT, LOSS OF PROFIT, OR ANY OTHER
INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES RESULTING FROM THIS WARRANTY
EVEN IF TRAULSEN HAS BEEN NOTIFIED OF THE POSSIBILITY OF SUCH DAMAGES.
VIII. SERVICE/WARRANTY INFORMATION

-16-
NOTES:

HOURS OF OPERATION:
Monday thru Friday 7:30 am - 4:30 pm CST
Quality Refrigeration
© 2020 Traulsen - All Rights Reserved
Traulsen
4401 Blue Mound Road Fort Worth, TX 76106
Phone [phone] Fax [phone]
traulsen.com