Thermo Fisher Scientific TSG Series Manuel utilisateur

General Purpose and

Chromatography Refrigerators

TSG Series

Installation and Operation

329137H01 • Revision F • 01/19/2022

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.

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)

Contents

Model ......................................................................... 1

Safety Precautions.................................................... 2

Unpacking ................................................................. 4

Packing List............................................................... 4

General Recommendations ..................................... 5

Temperature Monitoring ...................................... 5

Intended Use ......................................................... 5

Initial Loading ........................................................ 5

Operating Standards ................................................ 6

Unit Specifications................................................ 6

Installation................................................................. 8

Location ................................................................. 8

Leveling the Unit ................................................... 8

Castor Installing and Pallet

Removal Instructions............................................ 8

Chromatography Refrigerators ........................... 10

Wiring ..................................................................... 11

Shelves................................................................... 13

Installation Instructions........................................ 13

Door Operation...................................................... 13

Remote Alarm........................................................ 13

Final Checks .......................................................... 14

Startup ....................................................................... 15

Initial Startup ......................................................... 15

Chromatography Refrigerators ........................... 15

Product Loading and Unloading Guidelines....... 15

Operation................................................................... 16

Control Panel......................................................... 16

Temperature Set point.......................................... 17

Alarms .................................................................... 17

Controller Parameter Settings............................. 19

Maintenance.............................................................. 23

Cleaning the Cabinet Interior............................... 23

Cleaning the Unit

(Chromatography Refrigerators) ......................... 23

Cleaning the Condenser....................................... 23

Automatic Defrost................................................. 23

Gasket Maintenance............................................. 23

Alarm Battery Maintenance ................................. 24

Preparation for Storage........................................ 24

Cleaning the Unit

(Chromatography Refrigerators) ......................... 24

Replacing Sensor

(Chromatography Refrigerators) ......................... 24

Sensor Maintenance

(Chromatography Refrigerators) ......................... 24

Troubleshooting........................................................ 25

End of Life Care ........................................................ 26

Warranty .................................................................... 27

Regulatory Compliance............................................ 28

Product Safety....................................................... 28

Hydrocarbon Refrigerants.................................... 28

Electromagnetic Compatibility ............................ 28

Canadian ISED IC Notice...................................... 28

Energy Efficiency .................................................. 29

Additional Regulations and Markings ................. 29

Contact Information ................................................. 31

General Purpose and Chromatography Refrigerators Model | 1

Model

The table below shows the units covered in this operation and

installation manual by model number.

The annotation of model numbers is given in the following

table:

Table 1. Applicable Models

Refrigerators

TSG12RPGA TSG45RSLA

TSG25RPGA TSG45CSLA

TSG25RPSA TSG49RPGA

TSG25RSGA TSG49CPGA

TSG25RSSA TSG49RPSA

TSG30RPGA TSG49RSGA

TSG30CPGA TSG49CSGA

TSG30RPSA TSG49RSSA

TSG30RSGA TSG72RPGA

TSG30CSGA TSG72CPGA

TSG30RSSA TSG72RSGA

TSG45RPLA TSG72CSGA

TSG45CPLA

Table 2. Model Specification

Series TSG (Thermo Scientific)

Size (cu.ft) 12, 25, 30, 45, 49, 72

Type R = Refrigerator

C = Chromatography

Exterior P = Painted

S = Stainless

Door Type S = Solid

G = glass

L = Sliding glass

Voltage A = 115 V / 60 Hz

2 | Safety Precautions General Purpose and Chromatography Refrigerators

Safety Precautions

In this manual, the following symbols and conventions are

used .

Below are important safety precautions that apply to this

product.

WARNING: 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. This indicates a situation which may

result in property damage.

CAUTION: This symbol indicates surfaces which

may become hot during use and may cause a

burn if touched with unprotected body parts.

WARNING: 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.

CAUTION: This symbol indicates possible pinch

points which may cause personal injury.

WARNING: The snowflake symbol indicates low

temperatures and risk of frost bite. Do not touch

bare metal or samples with unprotected body

parts.

CAUTION: 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.

CAUTION: 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: Units are charged with hydrocarbon

refrigerant (R290). Only qualified service

personnel should service this unit.

WARNING: Unauthorized repair of your unit will

invalidate your warranty. Contact Technical

Service at 1-866-984-3766 for additional

information.

DANGER: Risk of fire or explosion. Flammable

refrigerant used to be repaired only by trained

service personnel. Do not puncture refrigerant

tubing.

WARNING: No equipment that uses an open

flame should be placed inside the refrigerator.

This will harm the unit, hamper functionality and

compromise your safety.

CAUTION: Do not use any battery powered or

externally-powered equipment in the refrigerator.

General Purpose and Chromatography Refrigerators Safety Precautions | 3

Below are additional safety precautions that apply to

chromatography refrigerator models:

CAUTION: Equipment should only be powered

using the internal outlet. In case of a leak the

safety circuit will remove power to the outlet in

the unit, but shall have no control over equipment

power via battery or externally. Do not use

instrumentation or equipment that incorporates

potential ignition sources, e.g. open contact

switching, brushed DC and AC motors, etc.

CAUTION: The chromatography safety circuit

has slots / holes at the bottom of the plug panel

for enabling air to the safety sensor. Do not block

the Safety Circuit ventilation holes as this will

diminish and defeat the Safety Circuit.

WARNING: Do not store or use uncapped

reagents, vessels and bottles inside the

chromatography equipment. This may diminish

functionality of the safety circuit.

4 | Unpacking General Purpose and Chromatography Refrigerators

Unpacking

At delivery, examine the exterior for physical damage while

the carrier’s representative is present. If exterior damage is

present, carefully unpack and inspect the unit and all

accessories for damage.

If there is no exterior damage, unpack and inspect the

equipment within five days of delivery. If you find any damage,

keep the packing materials and immediately report the

damage to the carrier.

Do not return goods to the manufacturer without

written authorization.

When submitting a claim for shipping damage, request that

the carrier inspect the shipping container and equipment.

Packing List

Along with the unit, following things will be packed:

• Installation and Operation manual is placed in the white

envelope.

• Door Lock Key and Power Key Switch is wire tied to the

pilaster on the upper top front.

• Small bag with shelving clips

• Shelves

• Half shelves (with chromatography refrigerators)

• Power cord

• Casters (Applicable for 12, 25, 30cf models only)

• Wrench (Applicable for 12, 25, 30cf models only)

General Purpose and Chromatography Refrigerators General Recommendations | 5

General Recommendations

This section includes some general recommendations for

your unit.

Temperature Monitoring

Intended Use

The refrigerators described in this manual are lab-grade,

general purpose units intended to store non-critical samples

at operating temperatures between 2°C to 10°C.

These units are not registered as medical devices or by a

medical device regulatory body (e.g. FDA): that is, they have

not been evaluated for the storage of samples for diagnostic

use or for samples to be re-introduced to 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.

This refrigerators are not suitable for outdoor location.

Initial Loading

Allow the unit to operate at the desired temperature for a

minimum of 12 hours before loading.

Load the unit one shelf at a time, starting from bottom to top

shelf. After loading each shelf, allow the unit to recover to the

desired set point before loading the next shelf. Repeat this

process until the unit is fully loaded. Please refer to the section

Shelves for shelf load ratings.

IMPORTANT NOTE: We recommend the use of

a redundant and independent temperature

monitoring system so that the unit can be

monitored continuously for performance

commensurate with the value of product stored.

CAUTION: Storage of unsealed corrosive

substances may cause the interior of the unit to

corrode.

CAUTION: Failure to follow these procedures or

overloading the unit may cause undue stress on

the compressors or jeopardize user product

safety.

6 | Operating Standards General Purpose and Chromatography Refrigerators

Operating Standards

The units described in this manual are classified for use as

stationary equipment in a Pollution Degree 2 and Over voltage

Category II environment.

These units are designed to operate under the following

environmental conditions:

• Indoor use

• Altitude up to 2000 m (6512 feet)

• Maximum relative humidity 60% for temperatures from

15°C to 32°C (59°F to 90°F)

• Main supply voltage fluctuations not to drop or exceed by

10% of the nominal voltage

• Do not connect the unit to a GFCI (Ground Fault Circuit

Interrupter) protected outlet as it may be subject to

nuisance tripping

• Do not run this unit off the extension cords

Unit Specifications

The data label is located on the left side on top towards front

of the unit.

The specifications of refrigerator like voltage, required wall

breaker amperage and power plug are same for all the units.

Voltage = 115 V / 60 Hz

Amps - Refer to data label for unit rating. The power supply

cord plug indicates the wall circuit breaker rating at 15A.

Chromatography Power Plug = NEMA 5-15P

General Purpose Refrigerator Power Plug = NEMA 5-15P

This plug must be plugged into / supplied with its own

individual branch circuit.

Other specifications are listed in the table below.

CAUTION: Chromatography units are supplied

with two separate power cords. Be careful to

unplug both during movement, testing or repair

of the product.

Table 3. Unit Specifications

Unit Size

(Cu.ft.)

Exterior Door

Type

No.of

Shelves

Exterior Dimensions

(H x W x D)

TSG12RPGA 12 Painted Glass 4 1925.9 x 628.6 x 635.0 mm

(75.82 x 24.75 x 25.00 in)

TSG25RPGA 25 Painted Glass 4 2057.1 x 704.8 x 812.8 mm

(81.00 x 27.75 x 32.00 in)

TSG25RPSA 25 Painted Solid 4 2057.1 x 704.8 x 812.8 mm

(81.00 x 27.75 x 32.00 in)

TSG25RSGA 25 Stainless

Steel Glass 4 2057.1 x 704.8 x 812.8 mm

(81.00 x 27.75 x 32.00 in)

TSG25RSSA 25 Stainless

Steel Solid 4 2057.1 x 704.8 x 812.8 mm

(81.00 x 27.75 x 32.00 in)

TSG30RPGA 30 Painted Glass 4 2057.1 x 781.0 x 812.8 mm

(81.00 x 30.75 x 32.00 in)

TSG30CPGA 30 Painted Glass 4 + 3 Half

Shelves

2057.1 x 781.0 x 812.8 mm

(81.00 x 30.75 x 32.00 in)

TSG30RPSA 30 Painted Solid 4 2057.1 x 781.0 x 812.8 mm

(81.00 x 30.75 x 32.00 in)

General Purpose and Chromatography Refrigerators Operating Standards | 7

TSG30RSGA 30 Stainless

Steel Glass 4 2057.1 x 781.0 x 812.8 mm

(81.00 x 30.75 x 32.00 in)

TSG30CSGA 30 Stainless

Steel Glass 4 + 3 Half

Shelves

2057.1 x 781.0 x 812.8 mm

(81.00 x 30.75 x 32.00 in)

TSG30RSSA 30 Stainless

Steel Solid 4 2057.1 x 781.0 x 812.8 mm

(81.00 x 30.75 x 32.00 in)

TSG45RPLA 45 Painted Sliding

Glass 82057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG45CPLA 45 Painted Sliding

Glass

8 + 2 Half

Shelves

2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG45RSLA 45 Stainless

Steel

Sliding

Glass 82057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG45CSLA 45 Stainless

Steel

Sliding

Glass

8 + 2 Half

Shelves

2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG49RPGA 49 Painted Glass 8 2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG49CPGA 49 Painted Glass 8 + 2 Half

Shelves

2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG49RPSA 49 Painted Solid 8 2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG49RSGA 49 Stainless

Steel Glass 8 2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG49CSGA 49 Stainless

Steel Glass 8 + 2 Half

Shelves

2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG49RSSA 49 Stainless

Steel Solid 8 2057.1 x 1338.6 x 812.8 mm

(81.0 x 52.7 x 32.0 in)

TSG72RPGA 72 Painted Glass 12 2057.1 x 1924.0 x 812.8 mm

(81.00 x 75.75 x 32.00 in)

TSG72CPGA 72 Painted Glass 12+ 2 Half

Shelves

2057.1 x 1924.0 x 812.8 mm

(81.00 x 75.75 x 32.00 in)

TSG72RSGA 72 Stainless

Steel Glass 12 2057.1 x 1924.0 x 812.8 mm

(81.00 x 75.75 x 32.00 in)

TSG72CSGA 72 Stainless

Steel Glass 12+ 2 Half

Shelves

2057.1 x 1924.0 x 812.8 mm

(81.00 x 75.75 x 32.00 in)

Table 3. Unit Specifications

Unit Size

(Cu.ft.)

Exterior Door

Type

No.of

Shelves

Exterior Dimensions

(H x W x D)

8 | Installation General Purpose and Chromatography Refrigerators

Installation

Location

Install the unit on a level area free from vibration.Refer to data

label on unit for more details about the installation clearance.

Do not position the equipment in direct sunlight or near

heating diffusers, radiators or other sources of heat.

Note: Do not move the unit in fully loaded condition.

Leveling the Unit

The refrigerator must be level in order to provide adequate

condensation drainage as well as proper door alignment and

operation. The refrigerator should be in its final operating

location and set so that it is firmly positioned on the floor.

Level the cabinet front to rear and side-to-side using the

corner leveling screws. The front leveling screws are

accessed by removing the base grill, as described below:

1. Remove the lower grill attachment screws

2. Grasp the grill with both hands

3. Lift the grill approximately 1/2"

4. Pull grill away from the refrigerator

Castor Installing and

Pallet Removal

Instructions

Note: Casters available for 12, 25, and 30 cu. ft. units;

leveling feet only on 45, 49, and 72 cu. ft. units

Without Forklift

Required Tools:

Phillips head screwdriver, 7/16", 5/16"-18" wrenches, wrench

supplied with unit. Always use local PPE protocols and where

needed the appropriate number of people to stay safe.

All the units are shipped with factory installed feet with rolling

casters supplied inside of the unit. The following instructions

demonstrate how to remove the cabinet from its shipping

base (pallet) and install the casters without use of a forklift.

Note: The unit should be unpacked near the desired final

location.

1. Remove the packaging and kick plates from unit.

Remove additional packaging to access the interior of the

cabinet. Be sure to keep one cardboard corner for

subsequent step.

2. Using a screwdriver, remove the screws holding on the

front grill. Lift grill upwards and pull away from unit to

remove. Set aside.

3. Remove bolts (4) holding the unit to the pallet using the

7/16” wrench.

Note: From this step onwards, use local PPE protocols and

where needed the appropriate number of people to stay safe.

WARNING: Do not exceed the electrical rating

printed on the data plate located on the upper left

side of the unit.

CAUTION: Avoid damage to the refrigerant

tubing which may cause a refrigerant leak while

handling, moving, and operating this unit.

General Purpose and Chromatography Refrigerators Installation | 9

4. Use local PPE protocols and the appropriate number of

people to gently slide the unit towards the side edge of

the pallet. Slide the unit so that there are approximately 3

inches of overhang to allow the removal of the factory

installed feet and installation of the casters.

5. Use local PPE protocols and the appropriate number of

people where needed to ensure additional unit support is

provided on the side of the pallet. Remove all the 4

factory installed feet (If necessary use the 3/8" wrench to

loosen). Install 2 casters on overhang edge and tighten

using caster wrench supplied.

Note: Some casters lock and others do not. It is

recommended to install the locking casters on the front of the

unit.

6. While supporting the unit, carefully slide the unit until the

casters reach the ground. Gently slide the back edge off

of the pallet approximately 3 inches to allow for

installation of the back caster. Use local PPE protocols

and the appropriate number of people to continue

supporting the unit at the floor end and install 1 caster on

the back of the unit. Tighten using caster wrench

supplied.

7. Gently rotate unit to install the last caster.

With local PPE protocols and the appropriate number of

people continue supporting the unit at the floor end,

install 1 caster on the front of unit. Tighten using caster

wrench supplied.

8. Take a cardboard packaging corner, fold in half, and

place under the pallet/unit with the fold away from the

pallet. Gently position unit parallel with the pallet using the

edge of the unit to support the pallet. Once in position,

gently roll the unit off of the pallet.

CAUTION: Appropriate number of people are

always required to move the unit. Never move or

adjust unit when some one is working on the unit

(i.e. adjusting casters).

DANGER: Do not tip unit more than 10 degrees

during caster installation. Overturning may result

in serious injury or death.

10 | Installation General Purpose and Chromatography Refrigerators

With Forklift

Required Tools: Phillips Head Screwdriver, 7/16” and 3/8”

Wrenches. Always use local PPE protocols and where

needed the appropriate number of people to stay safe.

The following instructions demonstrate how to remove the

cabinet from its shipping base (pallet) and install the casters or

lower legs using a fork truck.

1. Remove the screws, bolts and caster by following the

instructions given in section Without Forklift

Note: Always use caution when lifting unit with forklift to

ensure not to damage or drop unit.

2. Carefully position forks to lift unit from rear. Ensure unit is

fully positioned on fork truck prior to raising the forks.

3. Raise the unit approximately six inches to allow access to

the feet and casters. Use local PPE protocols and the

appropriate number of people to stand at the front of the

unit and provide additional support to the unit. If feet are

desired, lower all 4 factory installed feet (using the 3/8”

wrench to loosen if necessary). If rolling casters are

desired, remove the feet and install the 4 casters and

tighten using caster wrench supplied.

Note: Some casters lock and others do not. It is advised to

install the locking casters on the front of the unit.

4. Remove pallet from below the unit and gently lower unit

in desired location.

Chromatography

Refrigerators

The chromatography refrigerator is equipped with a safety

circuit. In the event the safety circuit is tripped (the safety

sensor senses a flammable gas), the power to the internal

outlet will be discontinued and the user will need to manually

reset the safety circuit assembly using the reset switch at the

right side of header panel before power is restored. To do

this, toggle the switch located on the top right side of the

header panel beside the remote alarm contacts. There will be

a power delay to the outlet for approximately 4 minutes where

the red LED will be illuminated.

When power is available at the outlet, the red LED will turn off

and the green LED will illuminate.

If the circuit trips from RED back to GREEN repeatedly or

never turns GREEN, please contact Customer Service.

Flammable materials should not be stored in the refrigerator.

Lights

The GFCI outlet assembly is located inside the unit back in the

center.

The outlet assembly has two LEDs:

• RED (on the top) - When the red LED is ON, it indicates

there is no power to the AC outlet inside the unit.

• GREEN (on the bottom) - When the green LED is ON, it

indicates there is power to the AC outlet inside the unit.

Switches

The Chromatography refrigerators has a reset switch on the

right side of the header panel, above remote alarm contacts.

• Chromatography Manual Reset: This is used to manually

reset the safety circuit in the AC receptacle assembly

after the LED turns RED from GREEN due to a safety trip

event which disengages power to outlet inside the

refrigerator. It is present on the right side top front corner

next to the remote alarm contacts.

General Purpose and Chromatography Refrigerators Installation | 11

Wiring

The wiring diagram for the units is shown in Figure 1.

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: 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% of the unit rated voltage. If cord becomes

damaged, replace with a properly rated power

supply cord. Power Cord Specifications: 3-G 12

AWG, NEMA 5-15 P, 15A / 125V.

CAUTION: Never cut the grounding prong from

the service cord plug. If the prong is removed, the

warranty is invalidated.

CAUTION: Disconnect the power cord in case of

emergency.

12 | Installation General Purpose and Chromatography Refrigerators

Figure 1. Wiring Diagram

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General Purpose and Chromatography Refrigerators Installation | 13

Shelves

All the units come standard with wire shelves. Each unit has

different number of shelves. Refer to Table 3 for more

information.

Maximum shelf capacity is 45 kg (100 lbs) for full shelves and

22.5 kg (50 lbs) for half shelves.

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.

Figure 2. Shelf Arrangement

Figure 3. Shelf Clip

Installation Instructions

1. Determine proper location for shelves clips, the reference

number on the pilaster can serve as a guide to ensure all

clips are properly located.

2. Insert top of the clip into the desired hole of the pilaster

the retaining tab should be facing upwards.

3. Rotate the clip downwards and insert the bottom tab into

the appropriate hole, the clip may be squeezes slightly

during installation.

4. Install shelves onto clips with the product retention bar

facing upwards, be careful not to is lodge clips during

shelve installation.

5. Prior to loading the shelf, ensure that the shelf is resting

on each of 4 clips and the clips are installed.

Door Operation

The swinging door units are designed to stay open if opened

90 degrees or more. The door spring tension cannot be

adjusted.

The Sliding doors can be opened completely towards left or

right. If the self-closing door does not work properly, make

sure the unit is leveled properly

Door Seal

Remote Alarm

All units have factory-installed remote alarm contacts that can

be used for remote alarm systems. The maximum distance

between a unit and a remote alarm depends on the wire

gauge used. Refer to Table 4 below:

The Remote alarm contacts are located on the right side of

the header panel. The three terminals are: COMMON, OPEN

ON FAIL (Normally Closed) and CLOSE ON FAIL (Normally

Open).

WARNING: Do not to move this unit while

loaded

CAUTION: Improper shelf clip installation may

cause shelf and/or product damage to the unit.

CAUTION: Do not overload the shelves, the unit

is designed to utilize all shelves that are supplied

in an equally spaced manner.

CAUTION: Door seal integrity is critical for unit

performance. A loose fitting gasket allows moist

air to be drawn into the cabinet, resulting in

quicker frost buildup on the cabinet walls, longer

running time, poor temperature maintenance and

increased operation cost.

14 | Installation General Purpose and Chromatography Refrigerators

To install the remote alarm, make the following connections:

1. Connect the COMMON terminal on the cabinet switch to

the COMMON wire on the alarm.

2. To get an alarm when the switch contacts open, connect

the OPEN ON FAIL terminal on the cabinet to the OPEN

ON FAIL wire on the alarm.

3. To get an alarm when the switch contacts close, connect

the CLOSE ON FAIL terminal on the cabinet to the

CLOSE ON FAIL wire on the alarm. The COMMON and

CLOSE ON FAIL wires must be tied together in this

application

4. Plug the alarm system service cord into an electrical

outlet.

5. The contacts will trip in the event of high temperature

alarm or low temperature alarm.

Final Checks

Before start up, be sure to complete the following steps:

1. Make sure that the unit is free of all wood or cardboard

shipping materials, both inside and outside.

2. Check the positions of the shelves. If you want to adjust

the positions.

3. Verify that the unit is connected to a dedicated circuit.

Table 4. Wire Gauge and Distance to Remote

Alarm

Wire

Gauge

Total Wire

Length (feet)

Distance to Alarm 1/2

Wire Length (feet)

20 530 265

18 840 420

16 1330 665

14 2120 1060

12 3370 1685

General Purpose and Chromatography Refrigerators Startup | 15

Startup

Initial Startup

To start up the unit, complete the following steps:

1. Connect the AC main power cord. The evaporator fans

start when the power cord is plugged in.

2. Insert the silver colored key in the switch and turn to the

Power On position.

3. Allow the unit to reach operating temperature before

loading it with any product. To stabilize the temperature

profile, a 24-hour waiting period is recommended.

4. If you desire to enable the power failure alarm, turn the

three position key switch one turn further clockwise to

the All Alarm On position.

5. If you have a remote alarm, hook it up at this point (refer

to section Remote Alarm).

6. If desired, lock the cabinet door using the silver colored

key. Place duplicate key copies in a safe place.

All controls should now be fully operational, the alarm active (if

enabled) and all visual indicators active.

Chromatography

Refrigerators

1. Connect the AC main power cord.

2. Connect the GFCI AC power cord.

3. Make sure the reset switch is in ON position.

4. Insert the silver colored key in the switch and turn to the

Power On position. The display will show the actual

cabinet temperature.

Note: The Chromatography refrigerator is shipped with the

manual reset switch at the top right side front of the header

panel above the remote alarm contacts (refer to section

Switches) as ON. The Manual reset switch should always be

in ON position.

5. The red LED on the chromatography safety circuit turns

ON.

6. After a power delay of 4 minutes the red LED on the

chromatography safety circuit turns Off and the green

LED on the chromatography safety circuit turns ON.

Note: During initial power-up, the GFCI outlet will not be

powered until after an approximate 4 minute delay.

Operating equipment inside the refrigerator may shift the

temperature profile in the unit. Monitor the refrigerator as

needed for any such shift.

Product Loading and

Unloading Guidelines

When loading your unit, take care to observe the following

guidelines:

• Distribute the load as evenly as possible. Temperature

uniformity depends on air circulation, which could be

impeded if the internal storage components are overfilled,

particularly at the top of the cabinet.

• For critical applications, be sure that the alarm systems

are working and active before you load any product.

• Ensure clearance between the top of the cargo and the

bottom of the internal storage components. Lack of

clearance may affect unit performance or impede

operation of the storage component.

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Thermo Fisher Scientific TSG Series Manuel utilisateur

Thermo Fisher Scientific TSG Series Manuel utilisateur

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