Thermo Scientific A 40B User manual

Visit our Web site at:
http://www.thermo.com/tc
Product Service Information, Applications
Notes, MSDS Forms, e-mail.
ADVANCED Series Thermostats
AC 150
AC 200
ARCTIC Series Refrigerated Bath Circulators
A 5B A 10
A 10B A 25
A 25B A 28
A 28F A 24B
A 40 A 40B
GLACIER Series Refrigerated Bath Circulators
G 50
SAHARA Series Heating Bath Circulators
S 3 S 12T S 14P
S 7 S 19T S 21P
S 13
S 15
S 21
S 30
S 45
S 49
Thermo Scientific
Laboratory
Temperature
Control Products
Manual Part Number U01046
Rev. 03/29/10

Thermo Fisher Scientic
25 Nimble Hill Road
Newington, NH 03801
Tel : [phone] or
[phone]
Fax : [phone]
www.thermo.com/tc
Sales, Service, and Customer Support
25 Nimble Hill Road
Newington, NH 03801
Tel: [phone]
Sales: 8:00 am to 5:00 pm
Service and Support: 8:00 am to 6:00 pm Monday
through Friday (Eastern Time)
Fax: [phone]
service.tc.us@thermosher.com
Dieselstrasse 4
D-76227 Karlsruhe, Germany
Tel : [phone]
Fax : [phone]
info.tc.de@thermosher.com
Statement of Copyright
Copyright © 2010 Thermo Fisher Scientic. All rights reserved.
This manual is copyrighted by Thermo Fisher Scientic.
Users are forbidden to reproduce, republish, redistribute, or resell any materials from this manual in either machine-
readable form or any other form.

Thermo Scientific
Table of Contents
Preface ...................................................................................................................... i
Compliance ..............................................................................................................i
WEEE ......................................................................................................................i
After-Sale Support .................................................................................................ii
Feedback..................................................................................................................ii
Warranty ..................................................................................................................ii
Unpacking ...............................................................................................................ii
Section 1 Safety ..................................................................................1-1
Safety Warnings..................................................................................................1-1
Section 2 General Information................................................................2-1
Description .........................................................................................................2-1
  ThermostatSpecications................................................................................2-1
  Bath/CirculatorSpecications.........................................................................2-3
Wetted Materials.................................................................................................2-4
Section 3 Installation ...........................................................................3-1
Ambient Conditions..........................................................................................3-1
Ventilation...........................................................................................................3-2
Electrical Requirements ....................................................................................3-2
External Circulation ..........................................................................................3-5
Tubing Requirements ........................................................................................3-5
Tubing..................................................................................................................3-6
Fluids ...................................................................................................................3-7
Additional Fluid Precautions ...........................................................................3-8
Filling Requirements .......................................................................................3-11
Draining.............................................................................................................3-11
Section 4 Operation .............................................................................4-1
ADVANCED Thermostat..............................................................................4-1
Setup ....................................................................................................................4-2
Initial Start Up....................................................................................................4-2
Daily Start Up.....................................................................................................4-3
Status Display .....................................................................................................4-3
Changing the Setpoint Window.......................................................................4-4
Menu Displays....................................................................................................4-5
Menu ....................................................................................................................4-6
Menu Tree ...........................................................................................................4-7
Editor - Setpoints...............................................................................................4-8
Editor - Ramp Program....................................................................................4-9
Editor - Auto start ...........................................................................................4-11

Contents
Thermo Scientific
Settings - Basic settings...................................................................................4-12
Settings - App. Settings - Limits ....................................................................4-13
Settings - App. Settings - Fluids Type...........................................................4-15
Settings - Password/Reset ..............................................................................4-15
System - Adjustment .......................................................................................4-16
System - Calibration ........................................................................................4-17
System - Interfaces...........................................................................................4-17
Installation - Information...............................................................................4-18
Installation - Diagnosis ...................................................................................4-18
Stopping the Unit.............................................................................................4-19
Power Down.....................................................................................................4-19
Shut Down........................................................................................................4-19
Section 5 Accessories .............................................................................................5-1
Optional Lifting Platform Installation............................................................5-1
Optional Immersion Cooler Bridge Installation..........................................5-2
Optional Rack Assembly Instructions............................................................5-3
Optional Serial Communication Adapter.......................................................5-4
Tubing..................................................................................................................5-5
Section 6 Preventive Maintenance..........................................................6-1
Cleaning ...........................................................................................................6-1
Condenser Fins ..................................................................................................6-1
Testing the Safety Features...............................................................................6-2
Section 7 Troubleshooting............................................................................................... 7-1
Error Displays ....................................................................................................7-1
Appendix Serial Communications..................................................................................A-1
Declaration of Conformity
Return Materials Authorization Form
Warranty

Thermo Scientific i
Preface
Compliance Products tested and found compliant with the requirements dened in the
EC Directives as well as Low Voltage Directive (LVD) can be identied by
the CE Mark on the rear of the unit. The Declaration of Conformity can
be found in the appendix of this manual.
The conformity assessment were performed following dened procedures
according to each applicable directive.
The council decision 93/465/EEC shall be authoritative concerning the
modules of the various phases of the conformity assessment procedures
and the rules for the afxing and use of the CE Mark), which are intended
to be used in the technical harmonization directives.
To conrm compliance with the EC-Directive 2004/108/EC
Electromagnetic Compatibility (EMC) our products were tested according
to the EMC requirements for emission and immunity for electrical
equipment for measurement, control and laboratory use.
Some electrical equipment displaying the CE Mark, e.g., monitors or
analytical instruments, can be affected if their manufacture accepts
interference, e.g., ickering of a monitor, as a minimum operating quality
with electromagnetic compatibility. We recommend a minimum distance of
approximately one meter from this type of equipment.
For any additional information, refer to the Declaration of Conformity.
Visit www.ul.com/global/eng/pages to view the UL listings for
Thermo Fisher Scientic. Reference le #E164214 for these products.
WEEE This product is required to comply with the European Union’s Waste
Electrical & Electronic Equipment (WEEE) Directive 2002/96/EC. It is
marked with this symbol.
Thermo Fisher Scientic has contracted with one or more recycling/
disposal companies in each EU Member State, dispose of or recycle this
product through them. Further information on Thermo Fisher Scientic’s
compliance with these Directives is available at:
www.thermo.com/WEEERoHS

ii
Preface
Thermo Scientific
After-sale Support Thermo Fisher Scientic is committed to customer service both during
and after the sale. If you have questions concerning the unit operation,
or questions concerning spare parts or Service Contracts, call our Sales,
Service and Customer Support phone number, see this manual's inside
cover for contact information.
CAUTION
There can be up to three nameplates located on the rear of the unit. Before
calling, please obtain the serial number printed on the complete system
nameplate located on the upper rear of the bath.
Sample Name Plate
Thermo Fisher Scientific
Newington, NH 03801 U.S.A.
[phone] / [phone]
BOM#: XXXXXXXXXXXX
S/N: XXXXXXXXX
XXX VOLTXXHZXPH X.X AMP
Nameplates (Typical Locations)
Complete System
Nameplate
Refrigerant
Nameplate
Thermostat Nameplate
Feedback We appreciate any feedback you can give us on this manual. Please e-mail
us at thermoscienticmanuals@thermosher.com. Be sure to include the
manual part number and the revision date listed on the front cover.
Warranty Thermo Scientic Laboratory Temperature Control Products have a
warranty against defective parts and workmanship for 36 months from date
of shipment. See back page of this manual for more details.
Unpacking Retain all cartons and packing material until the unit is operated and found
to be in good condition. If the unit shows external or internal damage
contact the transportation company and le a damage claim. Under ICC
regulations, this is your responsibility.
Refrigerated units should be left in an upright position for 24 hours
before starting. This will ensure the lubrication oil has drained back
into the compressor. 

Thermo Scientific 1-1
Make sure you read and understand all instructions and safety precautions
listed in this manual before installing or operating your unit. If you have
any questions concerning the operation of your unit or the information in
this manual, please contact us. See inside cover for contact information.
DANGER indicates an imminently hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It is also be used to alert
against unsafe practices.
The lightning ash with arrow symbol, within an equilateral triangle, is
intended to alert the user to the presence of non-insulated "dangerous
voltage" within the unit's enclosure. The voltage magnitude is signicant
enough to constitute a risk of electrical shock.
This label indicates the presence of hot surfaces.
This label indicates read the manual.
The unit construction provides protection against the risk of
electrical shock by grounding appropriate metal parts. The
protection will not function unless the power cord is connected to a
properly grounded outlet. It is the user's responsibility to assure a
proper ground connection is provided. 
Never place the unit in a location or atmosphere where excessive
heat, moisture, or corrosive materials are present. 
Never use corrosive uids with this unit. Use of these uids will void
the manufacturer’s warranty. 
Observe all warning labels. 
Never remove warning labels. 
Refrigerated units should be left in an upright position for 24 hours
Safety Warnings
Section 1 Safety
DANGER
WARNING
CAUTION

1-2
Section 1 Safety
Thermo Scientific
Other than water, before using any uid, or when performing maintenance where
contact with the uid is likely, refer to the manufacturer’s MSDS and EC Safety
Data sheet for handling precautions. 
Ensure the tubing you select will meet your maximum temperature and pressure
requirements. 
Never operate damaged or leaking equipment. 
Never operate the unit without uid in the reservoir. 
Never operate the unit or add uid to the reservoir with panels removed. 
Never operate the unit with the immersion circulator removed from the bath. 
Do not mount the immersion circulator backwards on the bath; the line cord could
contact the reservoir uid. Ensure the electrical cords do not come in contact with
any of the plumbing connections or tubing. 
Operate the unit using only the supplied line cords, never operate equipment with
damaged cords. 
Ensure all communication and electrical connections are made prior to starting
the unit. 
If the unit's power cord is used as the disconnecting device, it must be easily
accessible at all times. 
Always turn the unit off and disconnect the supply voltage from its power
source before moving the unit or before performing any service or maintenance
procedures. 
Ensure, that no toxic gases can be generated by the uid. Inammable gases can
build up over the uid during usage. 
Transport the unit with care. Sudden jolts or drops can damage the unit's
components. 
Ensure the uid is at a safe temperature (20°C to 55°C) before handling or
draining. 
Drain the unit before it is transported and/or stored in near or below freezing
temperatures, see Draining in Section 3. 
Do not clean the unit with solvents, a soft cloth and water is normally sufcient. 
Refer service and repairs to a qualied technician. 
Performance of installation, operation, or maintenance procedures other than
those described in this manual may result in a hazardous situation and will void
the manufacturer's warranty. 

2-1
Thermo Scientific
Section 2 General Information
The Thermo Scientic ADVANCED Series of thermostat are used with
refrigerated and heated baths. All thermostats can pump to an external
system. All controllers have a digital display and easy-to-use touch pad, ve
programmable setpoint temperatures, acoustic and optical alarms, and offer
adjustable high temperature protection.
Description
ADVANCED
Themostat
Specifications
• Performance specications established in accordance with DIN 12 876 (using water at 70°C).
• Lower temperature ranges available with supplemental cooling.
• Thermo Fisher Scientic reserves the right to change specications without notice.
AC 150 AC 200
Temperature Ambient +13°C to +150°C Ambient +13°C to +200°C
Range Ambient +23°F to +302°F Ambient +23°F to +392°F
Temperature Stability ±0.01°C ±0.01°C
Heater Capacity 230V/115V 2000/1200 Watts 2000/1200 Watts
Immersion Depth mm 75 to 145 75 to 145
inches 3.0 to 5.7 3.0 to 5.7
Dimensions (H x W x D) mm 372 x 165 x 199 372 x 165 x 199
inches 14.6 x 6.4 x 7.8 14.6 x 6.4 x 7.8
Net Weight kg 4.2 4.2
lb 9.3 9.3
Pumping Capacity
Max ow rate lpm/gpm 20/5.3 20/5.3
Max pressure (mbar/psi) 475/6.89 475/6.89
Max suction 330/4.85 330/4.85
Pump speed steps 3 3
Electrical Requirements 100 V/50 Hz 100 V/60 Hz or 100 V/50 Hz 100 V/60 Hz or
(Voltage ±10%) 115 V/60 Hz or 115 V/60 Hz or
230 V/50..60 Hz 230 V/50..60 Hz
Connectivity
Remote sensor port Yes Yes
USB port No Yes
Multi function port No Yes
RS232 Optional Optional
RS485 Optional Optional
Ethernet/LAN Optional Optional
Analog I/O No Yes

Section 2 General Information
2-2 Thermo Scientific
H
W
D
• Thermo Fisher Scientic reserves the right to change specications without notice.
Stainless Steel Refrigerated Baths/Circulators
A5B A10B A25B A28F A10
Temperature Range -5 to 200°C
23 to 392°F
-10 to 200°C
14 to 392°F
-25 to 200°C
-13 to 392°F
-28 to 200°C
-18 to 392°F
-10 to 200°C
14 to 392°F
Bath Volume liters
gallons
12 - 20
3.2 - 5.3
17 - 30
4.5 - 7.9
13 - 21
3.4 - 5.5
6 - 10
1.6 - 2.67
4 - 6
1.1 - 1.6)
Cooling Capacity watts 200 250 500 320 240
Refrigerant R134a R134a R134a R134a R134a
Dimensions (H x W x D)*
mm
inches
509 x 429 x 738
20.0 x 16.9 x 29.0
509 x 429 x 913
20.0 x 16.9 x 36.0
778 x 324 x 541
30.6 x 12.7 x 21.3
558 x 514 x 426
22.0 x 20.2 x 16.8
670 x 220 x 414
26.4 x 8.7 x 16.3
Net Weight kg
lb
40.0
88.9
44.5
97.9
42.3
93.1
35.6
78.3
27.5
60.6
Electrical Requirements**
(Voltage ±10%)
100 V/50 Hz 100 V/60 Hz or
115 V/60 Hz or
230 V/50 Hz
Stainless Steel Refrigerated Baths/Circulators
A25 A28 A24B A40 A40B
Temperature Range -25 to 200°C
-13 to 392°F
-28 to 200°C
-18 to 392°F
-24 to 200°C
-11 to 392°F
-28 to 200°C
-18 to 392°F
-28 to 200°C
-18 to 39 2°F
Bath Volume liters
gallons
7 - 12
1.8 - 3.2
6 - 10
1.6 - 2.6
16 - 27
4.2 - 7.1
7 - 12
1.8 - 3.2
6 - 12
1.6 - 3.2
Cooling Capacity watts 500 320 700 800 1000
Refrigerant R134a R134a R404 R404 R404
Dimensions (H x W x D)*
mm
inches
749 x 273 x 483
29.5 x 10.7 x 19.0
749 x 273 x 483
29.5 x 10.7 x 19.0
612 x 765 x 610
24.1 x 30.1 x 24.0
787 x 385 x 519
31.0 x 15.1 x 20.4
850 x 415 x 550
33.5 x 16.3x
21.7
Net Weight kg
lb
36.1
79.5
36.0
79.1
58.6
128.9
55.2
121.5
53
117
Electrical Requirements**
(Voltage ±10%)
100 V/50 Hz 100 V/60 Hz or
115 V/60 Hz or
230 V/50 Hz
*Add ~26 mm (1 inch) to D for drain tting.
**See Section 3 for additional information.
ARCTIC Refrigerated Bath/Circulator Specifications
G 50 Ultra-Low Refrigerated Circulator
Temperature Range* -50° to 200°C
-58°F to 392°F
Bath Volume liters
gallons
6 - 12
1.6 - 3.2
Cooling Capacity at 20°C 850 watts
Dimensions* mm
(H x W x D) inches
850 x 415 x 550
33.5 x 16.5 x 21.5
Net Weight kg/lb 53/117
Electrical Requirements**
(Voltage ±10%)
200 V/50 Hz 200 V/60 Hz or
208 V/60 Hz or
230 V/50 Hz

Section 2 General Information
2-3
Thermo Scientific
Stainless Steel Baths/Circulators
S3 S7 S13 S15
Temperature Range* Ambient +13 to 200°C
Ambient +23 to 392°F
Ambient +13 to 200°C
Ambient +23 to 392°F
Ambient +13 to 200°C
Ambient +23 to 392°F
Ambient +13 to 200°C
Ambient +23 to 392°F
Bath Volume liters
gallons
2 - 5
0.6 - 1.3
4 - 7
1.1 - 1.8
7 - 11
1.8 - 2.9
7 - 17
1.8 - 4.5
Dimensions** mm
(H x W x D) inches
444 x 235 x 428
17.5 x 9.2 x 16.8
494 x 235 x 428
19.4 x 19.2 x 16.8
494 x 312 x 428
19.4 x 12.6 x 16.8
494 x 381 x 457
19.4 x 15.0 x 18.0
Net Weight kg
lb
9.8
21.5
10.6
23.4
12.3
27.0
13.7
30.1
Electrical Requirements***
(Voltage ±10%)
100 V/50 Hz 100 V/60 Hz or
115 V/60 Hz or
230 V/50 Hz
Stainless Steel Baths/Circulators
S21 S30 S45 S49
Temperature Range* Ambient +13 to 200°C
Ambient +23 to 392°F
Ambient +13 to 200°C
Ambient +23 to 392°F
Ambient +13 to 200°C
Ambient +23 to 392°F
Ambient +13 to 200°C
Ambient +23 to 392°F
Bath Volume liters
gallons
7 - 17
1.8 - 4.5
14 - 24
3.7 - 6.3
30 - 41
7.9 - 10.8
29 - 51
7.7 - 13.5
Dimensions** mm
(H x W x D) inches
447 x 381 x 628
17.6 x 15.0 x 24.7
494 x 381 x 628
19.4 x 15.0 x 24.7
594 x 381 x 628
23.4 x 15.0 x 24.7
494 x 579 x 746
19.4 x 22.8 x 29.4
Net Weight kg
lb
14.2
31.2
16.5
36.2
20.3
44.7
24.3
53.4
Electrical Requirements***
(Voltage ±10%)
100 V/50 Hz 100 V/60 Hz or
115 V/60 Hz or
230 V/50 Hz
*Lower temperature ranges available with supplemental cooling.
**Add ~26 mm (1 inch) to D for drain tting.
***See Section 3 for additional information.
• Thermo Fisher Scientic reserves the right to change specications without notice.
SAHARA Bath/Circulator Specifications

Section 2 General Information
2-4 Thermo Scientific
Wetted Materials ADVANCED Thermostat
Viton
EPDM
Ryton
Ultem
Vectra
Stainless Steel
Transparent Acrylic Baths/Circulators
S12T S19T
Temperature Range* Ambient +13 to 60°C
Ambient +23 to 140°F
Ambient +13 to 60°C
Ambient +23 to 140°F
Bath Volume liters
gallons
8 - 12
2.1 - 3.2
12 - 19
3.2 - 5.0
Dimensions** mm
(H x W x D) inches
396 x 360 x 370
15.6 x 14.2 x 14.6
396 x 360 x510
15.6 x 14.2 x 20.1
Net Weight kg
lb
7.3
16.1
8.7
19.1
Electrical Requirements***
(Voltage ±10%)
100 V/50 Hz 100 V/60 Hz or
115 V/60 Hz or
230 V/50 Hz
Polyphenylene oxide (PPO) Baths/Circulators
S14P S21P
Temperature Range* Ambient +13 to 100°C
Ambient +23 to 212°F
Ambient +13 to 100°C
Ambient +23 to 212°F
Bath Volume liters
gallons
8 - 14
2.1 - 3.7
13 - 21
3.4 - 5.5
Dimensions mm
(H x W x D) inches
396 x 360 x 450
15.6 x 14.2 x 17.7
396 x 360 x 650
15.6 x 14.2 x 25.6
Net Weight kg
lb
6.3
13.9
6.6
14.5
Electrical Requirements***
(Voltage ±10%)
100 V/50 Hz 100 V/60 Hz or
115 V/60 Hz or
230 V/50 Hz
• Thermo Fisher Scientic reserves the right to change specications without notice.
Stainless Steel Baths/Circulators
Stainless Steel 316
Stainless Steel 304
EPDM (drain tting)
Ryton
Zotek-N (cover seal)
Transparent Acrylic Baths/Circulators
Poly-acryl
Polyphenylene oxide (PPO) Baths/
Circulators
Polyphenylenoxid
*Lower temperature ranges available with supplemental cooling.
**Add ~26 mm (1 inch) to D for drain tting.
***See Section 3 for additional information.

3-1
Thermo Scientific
Section 3 Installation
Ambient Temperature Range 5°C to 40°C (41°F to 104°F)
Maximum Relative Humidity 80% at 31°C (88°F)
Operating Altitude Sea Level to 2000 meters (6560 feet)
Overvoltage Category II
Pollution Degree 2
Degree of Protection IP 20
The unit is designed for continuous operation and for indoor use on a work
bench or table top only, not oor standing.
The thermostat normally ships with it mounted facing the reservoir. You may
change the position ±90° by removing thumb screws, no tools are required.
Do not mount it backwards; the line cord could contact the reservoir
uid. 
Ambient
Conditions
CAUTION
CAUTION
CAUTION
Never place the unit in a location where excessive heat, moisture,
inadequate ventilation, or corrosive materials are present. 
Refrigerated units should be left in an upright position for 24 hours
before starting. This will ensure the lubrication oil has drained back
into the compressor. 
Rotate thermostat
only ±90° from shown
position

Section 3 Installation
3-2 Thermo Scientific
Electrical
Requirements
The unit construction provides protection against the risk of electrical
shock by grounding appropriate metal parts. The protection will not
function unless the power cord is connected to a properly grounded
outlet. It is the user's responsibility to assure a proper ground
connection is provided. 
The unit is intended for use on a dedicated outlet. All thermostats are
equipped with automatic thermally-triggered 20 Amp circuit protector.
NOTE If the circuit protector activates allow the unit to cool before
resetting. Restart the unit. Contact us if it activates again. 
The circuit protection is designed to protect the controller, and is not
intended as a substitute for branch circuit protection. Position the unit so it is
not difcult to operate the disconnecting device.
If the unit's power cord is used as the disconnecting device, it must be
easily accessible at all times. 
Refer to the bath nameplate on the rear, upper-left-hand corner of the
bath for specic electrical requirements. Voltage deviations of ± 10%
are permissible. The outlet must be rated as suitable for the total power
consumption of the unit, see next page.
NOTE If a bath and thermostat were purchased separately, follow the elec-
trical requirements listed on the bath nameplate. 
DANGER
Ventilation
CAUTION
The unit can operate with 0 clearance on two exhaust sides as long as the
third exhaust side has unrestricted air ow. Blocked ventilation will increase
the unit's temperature, reduce its cooling capacity and, on refrigerated units,
eventually lead to premature compressor failure.
Ventilation Options

Section 3 Installation
3-3
Thermo Scientific
A = Power Inlet from Bath
Thermostat
Bath
B = Power Outlet to Thermostat
C = Power Inlet
Communication
Cable required for
proper communication
between the bath and the
thermostat.
Communication
CAUTION
For refrigerated baths:
Ensure all communication and electrical connections are made
prior to starting the unit. 
Install the power cord from the connector on the rear of the•
controller, A, to the connector on the rear of the refrigerated bath, B.
Connect the bath’s power cord, C, to a grounded power outlet. •
CAUTION
CAUTION
Install the supplied communications cable between the thermostat•
and the bath RJ45 connectors (similar to Ethernet).
For refrigerated baths, never connect controller power inlet, A, to
a power outlet. Never connect power outlet, B, to anything but a
thermostat. 
Ensure the electrical cords do not come in contact with any of the
plumbing connections or tubing. 

Section 3 Installation
3-4 Thermo Scientific
The following power options are available:
Unit Volts1/Hertz/Phase Amps2 Total Wattage Plug Type
A10 115/60/1 12 1165 N5-15
100/50-60/1 12 1120 N5-15
230/50/1 12 2370 Country Specific
A28 115/60/1 12 1185 N5-15
100/50-60/1 12 1135 N5-15
230/50/1 12 2395 Country Specific
A25 115/60/1 12 1185 N5-15
100/50-60/1 12 1135 N5-15
230/50/1 12 2395 Country Specific
A5B 115/60/1 12 1165 N5-15
100/50-60/1 12 1120 N5-15
230/50/1 12 2370 Country Specific
A10B 115/60/1 12 1165 N5-15
100/50-60/1 12 1120 N5-15
230/50/1 12 2370 Country Specific
A25B 115/60/1 12 1185 N5-15
100/50-60/1 12 1135 N5-15
230/50/1 12 2395 Country Specific
A28F 115/60/1 12 1165 N5-15
100/50-60/1 12 1120 N5-15
230/50/1 12 2370 Country Specific
A40 115/60/1 16 TBD N5-20
100/50-60/1 16 TBD N5-20
230/50/1 12 TBD Country Specific
A24B 115/60/1 16 TBD N5-20
100/50-60/1 16 TBD N5-20
230/50/1 12 TBD Country Specific
All Heated 115/60/1 12 1300 N5-20
Baths/Circulators 100/50-60/1 12 1300 N5-20
230/50/1 12 2135 Country Specific
1. Volts ± 10%
2. Maximum amp draw
20 Amp Outlet 15 Amp Outlet
(16 Amp) (12 Amp)

Section 3 Installation
3-5
Thermo Scientific
External
Circulation
Tubing
Requirements
The plumbing connections for external circulation are located on the rear of
the thermostat. is the return ow from the external application. is
the outlet ow to the external application (supply side)
Ensure none of the tubing comes in contact with the power cord. 
Plumbing Connections (Typical)
Tubing is normally used to connect the pump to an external application.
NOTE For maximum pressure to the external application cap the pump
nozzle with the supplied tting, it may be necessary to remove the thermostat
from the bath to access the nozzle. 
NOTE The maximum allowable length of tube depends largely on the
size, form and material of the external vessel. The length of tube and its
diameter, combined with the circulating capacity, have a large effect on the
temperature stability. Whenever possible, use a wider tube diameter and place
the application as close as possible to the circulator. 
Extreme operating temperatures will lead to extreme temperatures on
the tube surface, this is even more critical with metal nozzles. 
the required tube material depends on the heat transfer liquid used•
tubes must not be folded or bent•
after prolonged use, tubes may become brittle or they may get very soft,•
check them on a regular basis and replace if necessary
secure all tube connections using clamps•
When using the internal bath only, the plumbing connections can be closed
with the supplied plate and union nuts.
CAUTION
Return Flow Outlet Flow

Section 3 Installation
3-6 Thermo Scientific
Tubing Tubing for Thermo Scientic temperature control systems is optional. Please
select the proper tubing from the table shown in Section 5.
Ensure the tubing you select will meet your maximum temperature
and pressure requirements. 
Plastic and rubber tubing
If other plastic and rubber tubes are used, ensure that the tubes selected are
fully suitable for the particular application, i.e., that they will not split, crack
or become disengaged from their connections.
Connect the tubing using the supplied tube ttings for 8 or 12 mm i.d. They
are attached to the plumbing connections with a supplied coupling nut.
We highly recommend using foam rubber insulation on the tubing and the
ttings.
Metal tubing
Thermo Scientic metal tubing (stainless steel insulated) offers a particularly
high degree of safety and is suitable for both low and high temperatures/
liquids.
The metal tubing is attached directly to the plumbing connections, gaskets are
not required.
Do not subject tubing to mechanical strain and ensure any specied
bend radius is not exceeded. 
Tubing is available in lengths of 0.5, 1.0 and 1.5 meters. Couplings for
connecting tubes are also available.
The smallest opening inside the metal tubes is 10 mm. The metal tubing is
provided with coupling nuts (M16 x 1, DIN 12 879, part 2) at either end.
CAUTION
CAUTION

Section 3 Installation
3-7
Thermo Scientific
Fluids
The user is always responsible for the uid used. Never use corrosive
uids with this unit. 
Never use 100% glycol. 
Handling and disposal of liquids other than water should be done
in accordance with the uid manufacturers specication and/or the
MSDS for the uid used. 
Always adjust the unit's software to the uid used, see Section 4. 
When using water above 80°C closely monitor the uid level, frequent
top-offs will be required. It will also create steam. 
Water/glycol mixtures require top-offs with pure water, otherwise the
percentage of glycol will increase resulting in high viscosity and poor
performance. 
The uid information is only a guide since specications may change.
Thermo Fisher Scientic takes no responsibility for damages caused by the
selection of an unsuitable bath uid.
Unsuitable bath uids are uids which:
are very highly viscous (much higher than 30 mPas at the respective •
working temperature)
have corrosive characteristics or•
tend to break down at high temperatures•
For uid selection consider application requirements, operating temperature
range, material compatibility, safety concerns, and environmental issues.
5°C to 95°C — Distilled Water or Deionized Water (up to 3 MΩ-cm)
Normal tap water leads to calcareous deposits necessitating frequent unit
decalcication, see table on next page.
Calcium tends to deposit itself on the heating element. The heating capacity
is reduced and service life shortened.
-30°C to 80°C — Water with Glycol
Below 5°C water has to be mixed with a glycol. The amount of glycol added
should cover a temperature range 5°C lower than the operating temperature
of the particular application. This will prevent the water/glycol from gelling
(freezing) near the evaporating coil.
Excess glycol deteriorates the temperature accuracy due to its high viscosity.
CAUTION
CAUTION
CAUTION
CAUTION
DANGER
DANGER

Section 3 Installation
3-8 Thermo Scientific
-40°C to 200°C — SIL180:
SIL180 is suitable for covering nearly the entire range with just one liquid,
especially when used with the cooling units. See next page for additional
information.
Unfortunately SIL180 has a wetting tendency necessitating the occasional
cleaning of the bath cover.
other temperatures:
Thermo Fisher Scientic offers a range of heat transfer uids for these
temperature control applications.
SYNTH 60, SYNTH 200, SYNTH 260:
Synthetic thermal liquid with a medium life span (several months) and little
smell annoyance. See next page for additional information.
SIL 100, SIL 180, SIL 300:
Silicone oil with a very long life span ( over 1 year) and negligible smell. See
next page for additional information.
Thermo Fisher heat transfer uids are supplied with an EC Safety Data
Sheet.
Ensure, when selecting the heat transfer uid, that no toxic gases can
be generated. Flammable gases can build up over the uid during
usage. 
Ensure the over temperature cut-off point is set lower than the re
point for the heat transfer uid selected. 
The highest working temperature as dened by the EN 61010 (IEC
1010) must be limited to 25°C below the re point of the bath uid. 
CAUTION
DANGER
CAUTION
Additional Fluid
Precautions
When working with uids other than water:
Do not use any uid until you have read and understood the label and •
the Material Safety Data Sheet (MSDS).
Do not blend any uids> •
Ensure any uid residue or any other material is thoroughly removed •
before lling the unit with a different uid.
Always wear protective clothing, especially a face shield and gloves.•
Avoid spattering on any of the unit's components, always• slowly add uid.
When adding, point the opening of a container away from yourself.
Use fume hoods.•
Do not allow any ignition sources in the vicinity. •