Thermo Scientific TSX2305SA User manual

Laboratory
Refrigerators
TSX Series
Installation and Operation
327929H01 Rev. A September 2016
Visit us online to register your warranty
www.thermofisher.com/labwarranty

IMPORTANT Read this instruction manual. Failure to follow the instructions in this manual can result
in damage to the unit, injury to operating personnel, and poor equipment performance.
CAUTION All internal adjustments and maintenance must be performed by qualified service personnel.
Material in this manual is for informational purposes only. The contents and the product it describes are
subject to change without notice. Thermo Fisher Scientific makes no representations or warranties with
respect to this manual. In no event shall Thermo be held liable for any damages, direct or incidental,
arising from or related to the use of this manual.
© 2016 Thermo Fisher Scientific Inc. All rights reserved.
For your future reference and when contacting the factory, please have the following information readily
available. It can be found on the dataplate attached to your unit.
Model Number:
Serial Number:
The following information, if available, is helpful for contacting the factory.
Date Purchased:
Purchase order number:
Source of Purchase:
(manufacturer or specific agent/rep organization)

Table of Contents
Table of Contents
Models.......................................................................................1
Safety Precautions....................................................................2
Unpacking.................................................................................4
Packing List..............................................................................5
General Recommendations.....................................................6
Temperature Monitoring ......................................................6
Intended Use ........................................................................6
Operating Standards ...............................................................7
Unit Specifications ...............................................................7
Installation................................................................................8
Location ...............................................................................8
Leveling ...............................................................................8
Wiring ..................................................................................8
Shelves .................................................................................9
Drawers ................................................................................9
Baskets ...............................................................................13
Anti-Tip Brackets ...............................................................13
Temperature Sensor Bottles ...............................................16
Door Operation ..................................................................16
Remote Alarm (Optional) ..................................................16
Final Checks .......................................................................17
Startup ....................................................................................18
Initial Startup ......................................................................18
Product Loading and Unloading Guidelines ......................18
Operation................................................................................20
Control Panel ......................................................................20
Display Functions ..............................................................22
Programming Functions .....................................................23
Service Parameters .............................................................23
Temperature Settings .........................................................25
Alarms ................................................................................25
Chart Recorder (Optional) ...................................................27
Set Up and Operation .........................................................27
Changing Chart Paper ........................................................28
Power Supply .....................................................................28
Calibration and Adjustments ..............................................29
Temperature Transmitter.....................................................30
Maintenance...........................................................................31
Cleaning the Cabinet Interior .............................................31

Table of Contents
Cleaning the Condenser Filter ............................................31
Cleaning the Condenser .....................................................31
Automatic Defrost ..............................................................32
Gasket Maintenance ...........................................................32
Alarm Battery Maintenance ...............................................32
Troubleshooting.....................................................................33
End of Life Care.....................................................................35
Warranty ................................................................................36

Models
Thermo Scientific TSX Laboratory Refrigerators 1
1 Models The table below shows the units covered in this operation and installation
manual by model number. Refer to Section 6.1 for details on the voltage
specifications for the various models.
Table 1. Applicable Models
Unit Model (*)
Thermo Scientific - TSX2305G* A/D/V
Thermo Scientific - TSX2305S* A/D/V
Thermo Scientific - TSX2305P* A/D/V

Safety Precautions
2 TSX Laboratory Refrigerators Thermo Scientific
2 Safety Precautions In this manual, the following symbols and conventions are used:
This symbol when used alone indicates important operating instructions which
reduce the risk of injury or poor performance of the unit.
WARNING: This symbol indicates potentially hazardous situations which,
if not avoided, could result in serious injury or death.
WARNING: This symbol indicates situations where dangerous voltages
exist and potential for electrical shock is present.
WARNING: This symbol indicates potentially hazardous situations, which
if not avoided could result in fire.
CAUTION: This symbol, in the context of a CAUTION, indicates a
potentially hazardous situation which if not avoided could result in minor to
moderate injury or damage to the equipment.
CAUTION: This indicates a situation which may result in property
damage.
This symbol indicates surfaces which may become hot during use and may cause
a burn if touched with unprotected body parts.
Before installing, using or maintaining this product, please be sure to read the
manual and product warning labels carefully. Failure to follow these instructions
may cause the product to malfunction, which could result in injury or damage.
This symbol indicates possible pinch points which may cause personal injury.
This symbol indicates a need to use gloves during the indicated procedures. If
performing decontamination procedures, use chemically resistant gloves.

Safety Precautions
Thermo Scientific TSX Laboratory Refrigerators 3
Below are important safety precautions that apply to this product:
Use this product only in the way described in the product literature and in this
manual. Before using it, verify that this product is suitable for its intended use. If
the equipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
Do not modify system components, especially the controller. Use OEM exact
replacement equipment or parts. Before use, confirm that the product has not
been altered in any way.
WARNING: Your unit must be properly grounded in conformity with
national and local electrical codes. Do not connect the unit to overloaded
power sources.
WARNING: Disconnect the unit from all power sources before cleaning,
troubleshooting, or performing other maintenance on the product or its
controls.
WARNING: This unit is not for storage of flammable materials.
WARNING: This unit is charged with hydrocarbon refrigerants. Only
qualified service personnel should service this unit.
WARNING: Unauthorized repair of your refrigerator will invalidate your
warranty. Contact Technical Service at 1-800-438-4851 for additional
information.

Unpacking
4 TSX Laboratory Refrigerators Thermo Scientific
3 Unpacking At the time of delivery, be sure to inspect the unit packaging for damage before
signing for the shipment. If packaging damage is present, request immediate
product inspection and file a claim with the carrier.
Note Packaging damage does not denote that unit damage exists.
If concealed damage is found (damage that is not apparent until the item has
been unpacked), stop further unpacking and save all packing for carrier's
inspection. Make a written request for inspection to delivering carrier. This must
be done within 15 days after delivery. Then file a claim with the carrier.
Do not return goods to the manufacturer without written authorization .

Packing List
Thermo Scientific TSX Laboratory Refrigerators 5
4 Packing List Inside the refrigerator cabinet is a bag containing:
• USB Drive with this and other user manuals, including translated
versions
• Certificate of Conformance
•WarrantyCard
• Safety Data Sheet for Glycerin
• Quick start guide
• Two control panel keys (silver)
• Two cabinet door keys (gold)
If you have ordered a unit with shelves, the bag will also contain:
• Small bag with shelving clips
If the unit was ordered with a chart recorder, the bag will also contain:
• Chart recorder pamphlet
• Extra chart recorder paper
If specified on the order, the bag may also include:
• QC temperature graph and test log
• Calibration information
Other items with your unit include:
• Power cord
• Anti-Tip Bracket Kit
• Baskets, Shelves or Drawers
• Thermal Bottle

General Recommendations
6 TSX Laboratory Refrigerators Thermo Scientific
5 General
Recommendations
This section includes some general recommendations for your unit.
5.1 Temperature
Monitoring
IMPORTANT NOTE We recommend the use of a redundant and
independent temperature monitoring system so that the refrigerator can be
monitored continuously for performance commensurate with the value of
product stored.
5.2 Intended Use The 5 °C refrigerators described in this manual are high performance units for
professional use. These products are intended for use as cold storage in research
use and as a general purpose laboratory refrigerator, storing samples or inventory
at operating temperatures between 3 °C and 7 °C.
It is not considered a medical device and has therefore not been registered with a
medical device regulatory body (e.g. FDA): that is, it has not been evaluated for
the storage of samples for diagnostic use or for samples to be re-introduced into
the body.
This unit is not intended for use in classified hazardous locations, nor to be used
for the storage of flammable or corrosive inventory.
CAUTION: Storage of unsealed corrosive substances may cause the interior
of the unit to corrode.

Operating Standards
Thermo Scientific TSX Laboratory Refrigerators 7
6 Operating
Standards
The refrigerators described in this manual are classified for use as stationary
equipment in a Pollution Degree 2 and Overvoltage Category II environment.
These units are designed to operate under the following environmental
conditions:
• Indoor use
• Altitude up to 2000 m (6512 ft)
• Maximum relative humidity 60% for temperatures from 15 to 32°C
(59 to 90°F).
• Main supply voltage fluctuations not to exceed 10% of the nominal
voltage.
• The refrigerator must not be connected to a GFCI (Ground Fault
Circuit Interrupter) protected outlet as it may be subject to nuisance
tripping.
6.1 Unit Specifications The last character in the model number listed on the refrigerator identifies
the electrical specifications for your unit. The dataplate is located on the
upper left side of the unit.
†
Weight provided is for Laboratory Refrigerator with solid door (TSX2305S*). For a Pharmacy Refrigerator
(TSX2305P*), add 45 Kg (100 lbs). For a Laboratory Refrigerator with glass door (TSX2305G*), add 8 Kg
(18 lbs).
Table 2. Unit Specifications
Model Rated
Voltage Rated Current Frequency/ Phase
Power
Module
Plug
Weight
Kg (lbs)†Exterior Dimensions
(H x D x W)
A 115V 4.5 A60Hz/1
IEC 19
177 (391) 199.7 x 95.3 x 71.1 cm
(78.6 x 37.5 x 28.0 in)
D 208-230V 2.3 A50/60Hz/1 168 (370)
V 208-230V 2.3 A50/60Hz/1 168 (370)

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8 TSX Laboratory Refrigerators Thermo Scientific
7 Installation
WARNING: Do not exceed the electrical rating printed on the dataplate
located on the upper left side of the unit.
7.1 Location Install the unit in a level area free from vibration with a minimum of 6 inches of
space on the sides and rear and 12 inches at the top. Do not position the
equipment in direct sunlight or near heating diffusers, radiators, or other sources
of heat.
7.2 Leveling Make sure that the floor is level. The unit must be level both front to back and
side to side. If the unit is out of level, you may need to shim the corners or casters
with thin sheets of metal. Be sure to set the brakes for units equipped with
casters.
7.3 Wiring Wiring diagrams are attached on the back of the cabinet.
CAUTION: Connect the equipment to the correct power source. Incorrect
voltage can result in severe damage to the equipment.
CAUTION: For personal safety and trouble-free operation, this unit must
be properly grounded while in use. Failure to ground the equipment may
cause personal injury or damage to the equipment. Always conform to the
National Electrical Code and local codes. Do not connect the unit to
overloaded power lines.
CAUTION: Do not position the unit in a way that impedes access to the
disconnecting device or circuit breaker in the back of the unit.
CAUTION: Always connect the unit to a dedicated (separate) circuit. Each
unit is equipped with a service cord and plug designed to connect it to a
power outlet which delivers the correct voltage. Supply voltage must be
within +10% or -10% of the unit rated voltage. If cord becomes damaged,
replace with a properly rated power supply cord.
Table 3. Power Cord Specifications
Model Power Cord Specifications
A 3-G 12 AWG, NEMA 5-15P, 15A/125V
D 3-G 14 AWG, NEMA 6-15P, 15A/250V
V 3-G 1.5 mm2, CEE 7/7, 16A/250V

Installation
Thermo Scientific TSX Laboratory Refrigerators 9
CAUTION: Never cut the grounding prong from the service cord plug. If
the prong is removed, the warranty is invalidated.
CAUTION: In an emergency, the power cord is a disconnect device.
7.4 Shelves Laboratory refrigerators come standard with 4 wire shelves. Additional shelves are
offered as available options.
Maximum shelf capacity is 45 kg (100 lbs).
For safety in shipping, the shelves are packaged and secured inside the cabinet.
Insert the shelf support hangers (included with the manual inside the unit) into
the built-in shelf supports (located on the inside walls of the cabinet interior) at
the desired locations. Position the shelves on the flat supports (refer to Figure 1 ).
Figure 1. Shelf Support Hanger
7.5 Drawers Laboratory refrigerators have the option to be ordered with 7 drawers.
Drawers are shipped in a factory installed position that promotes uniform
spacing between the drawers. The drawer slides are adjustable to higher and
lower positions in the cabinet. You can position these slides in the vertical slots
which are spaced at one-inch intervals. The drawers must be removed in order to
adjust the position of the drawer slides.
The maximum drawer capacity is 27 kg (60 lbs).
7.5.1 Removing the Drawers To remove the drawers, complete the following steps (refer to Figure 2 ):
1. Pull the drawer towards you until the slides are fully extended.
2. Lift the back of the drawer to disengage the mounting tabs from the
slots on the slides.
Note The drawers fit snugly between the slides. Push the back to the drawer
from underneath to remove the drawer.
3. Raise the back of the drawer almost to a vertical position and disengage
the front mounting clips from the sides.

Installation
10 TSX Laboratory Refrigerators Thermo Scientific
Figure 2. Drawer Removal
7.5.2 Reinstalling the Drawers To reinstall the drawers, complete the following steps (refer to Figure 2 ):
1. Pull both the slides of the drawer towards you until the slides are fully
extended.
2. Position the drawer between the slides and with the back facing end
raised at 45 degree angle, insert the mounting clips at the front into the
slots on front of the slides.
3. Push the back of the drawer down between the slides and insert the
basket tabs into the slots at the back.
Note The drawers fit snugly between the slides. Push on the back of the
drawer from the inside to insert the drawer tabs completely into the slots.
Make sure both the drawer tabs are aligned with the slots on the slides
before pushing the drawer down between the slides.
CAUTION: Be careful when reinstalling the drawers to avoid possible
pinching.
7.5.3 Changing Drawer
Position
Drawer slides have a small wire safety clip at the front pilaster which prevent the
slides from falling when the drawer is removed. To change the position of the
drawer slides, complete the following steps:
1. Locate the safety clip.
Label Description
1Tabs
2 Drawer slide
3Slot

Installation
Thermo Scientific TSX Laboratory Refrigerators 11
2. Slip a small screwdriver under the bottom of the wire clip and pry the
clip towards the inside of the refrigerator.
Figure 3. Clip Removal
3. Lift up the slide at the front. The slide is free to move from the front
pilaster.
Figure 4. Front of slide Removal
4. The drawer slide must be removed from the rear pilaster at
approximately a 45 degree angle towards the center of the cabinet.
Figure 5. Slide Rotation

Installation
12 TSX Laboratory Refrigerators Thermo Scientific
5. Pull the slide towards the front of the cabinet.
6. Determine desired location for the slide and insert the slide into the rear
pilaster at a 45 degree angle towards the center of the cabinet.
7. Once the slide is seated in the rear pilaster, rotate the slide until it is
parallel with the unit wall and insert slide into front pilaster.
Figure 6. Slide Installation
CAUTION: Ensure the slide is level. If the slide is not seated in a level
orientation, the drawers/baskets will not function as intended. This could
cause injury or product damage.
8. Replace the safety clip by hooking the clip under the front pilaster slide
bracket. Then rotate the wire safety clip to position the other bend of
the wire safety clip to position the other bend of the clip over the top of
the same bracket.
Figure 7. Clip Replacement
Drawer slides do not require lubrication. Additional lubricant could impede
movement of the drawers when lubricant is cold.

Installation
Thermo Scientific TSX Laboratory Refrigerators 13
7.6 Baskets Pharmacy refrigerators come standard with 6 wire baskets.
Baskets are shipped in a factory installed position that promotes uniform spacing
between the baskets. The basket slides are adjustable to higher and lower
positions in the cabinet. You can position these slides in the vertical slots which
are spaced at one-inch intervals. The baskets must be removed in order to adjust
the position of the slides. The procedure for removing, reinstalling, and changing
position of the baskets can be found in Section 7.5.1 , Section 7.5.2 and Section
7.5.3 .
The maximum basket capacity is 27 kg (60 lbs).
7.7 Anti-Tip Brackets WARNING: The refrigerator must be secured by the anti-tip bracket
supplied. Unless properly installed, the refrigerator could tip when
shelves/drawers/baskets are loaded. Personal injury and damage to the
equipment and contents may result from the refrigerator tipping.
This refrigerator has been designed to meet all recognized industry tip standards
for all normal conditions when anti-tip bracket is installed and properly engaged.
7.7.1 Installation Instructions Installation instructions are provided for wood and concrete floors. Any other
type of construction may require special installation techniques as deemed
necessary to provide adequate fastening of the anti-tip bracket to the floor. For
installation on floors other than wood and concrete, please contact technical
support.
The use of this bracket does not prevent the tipping of the refrigerator when not
properly installed.
Figure 8. Materials Supplied
Label Description
1 Bracket
2 Bolts
3 Anchors
4 Instructions and Installation Template

Installation
14 TSX Laboratory Refrigerators Thermo Scientific
Table 4. Tools Required
1. Locating the Bracket
a. Determine where you want the centerline of the refrigerator to be.
b. Place the included template on the floor lined up with the centerline
of the refrigerator and keep 6"- 12" between the wall and the back of
the unit.
c. On the floor, mark the location of Hole #1 & Hole #2.
2. Anti-Tip Bracket Installation
Wood Construction
a. Drill 15/64" (6 mm) pilot holes in locations marked in step 1.
b. Place bracket on floor aligned with holes.
c. Use supplied lag bolts to attach bracket to floor.
Concrete Construction
a. Drill 1/2" (13 mm) holes in locations marked in step 1 with
masonry bit.
b. Slide lag screw anchors into holes to be flush with floor surface.
c. Place bracket on floor aligned with holes.
d. Use supplied lag bolts to attach bracket to floor.
3. Adjusting Bolt in Refrigerator
a. Locate 1/2" bolt attached to bottom of cabinet.
b. Unscrew 1/2" bolt until there is 1/2" clearance between floor and
head of bolt as shown in the Figure 9 below.
c. Tighten lock nut against bottom of unit.
Wood Floor Concrete Floor
Flashlight
Tape Measure
1/2"(13 mm) Wrench
3/4"(19 mm) Wrench
Drill Hammer Drill
15/64" (6 mm) Drill Bit 1/2"(13 mm) Masonry Bit

Installation
Thermo Scientific TSX Laboratory Refrigerators 15
Figure 9. Bolt Location
4. Refrigerator Positioning
a. Line up 1/2" bolt installed in step 3 with anti-tip bracket.
b. Roll or slide refrigerator into position until bolt stops against
bracket.
c. Lock the casters.
5. Checking the Installation
Check to see if the anti-tip bracket is installed properly by shining light
under cabinet and confirming bolt in cabinet is secured by bracket on
floor.
Label Description
1 Back of Unit
2 1/2" Bolt Location
3 Detailed View
4 Lock Nut
51/2"Bolt
6 Floor
7 1/2" Clearance

Installation
16 TSX Laboratory Refrigerators Thermo Scientific
7.8 Temperature Sensor
Bottles
The temperature displayed on the control panel is measured by a probe
inserted in the sensor bottle inside the cabinet. The sensor probe must be
inserted in the glycol bottle prior to operation. The sensor bottle is positioned
on the left wall towards the top of the unit.
To install the sensor(s) into the bottles, complete the following steps:
1. Remove the bottle from the bracket and verify that each bottle is full of
liquid.
2. Remove the solid cap from the bottle and save for the next time the unit
needs to be moved.
3. Remove the taped lid and temperature sensor(s) from the wall.
4. Insert the temperature probe(s) into the bottle.
5. Secure the cap to the bottle and return the bottle to the bracket.
7.9 Door Operation The doors on all units are designed to stay open if opened 90 degrees or
more. The door spring tension cannot be adjusted.
If the self-closing door does not work properly, make sure the unit is level.
7.9.1 Door Seal
CAUTION: Door seal integrity is critical for refrigerator’s performance.
A loose fitting gasket allows moist air to be drawn into the cabinet, resulting
in quicker frost buildup on the evaporator coil, longer running time, poor
temperature maintenance, and increased operation cost.
7.10 Remote Alarm
(Optional) All units have factory-installed local alarm contacts that can be used for
remote alarm systems.
The maximum distance between a refrigerator and a remote alarm depends
on the wire gauge used. Refer to Table 5 below:
Table 5. Wire Gauges and Distance to RemoteAlarm
Wire Gauge Total Wire Length
(feet) Distance toAlarm 1/2 Wire Length (feet)
20 530 265
18 840 420
16 1330 665
14 2120 1060
12 3370 1685