Thermo Scientific Neslab Dimax Manual de usuario
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NESLAB DIMAX
DI Maximum Cooler
Thermo Manual P/N U00858 Rev. 12/28/05
Installation-Operation-
Basic Service
Thermo Fisher Scientific
25 Nimble Hill Road
Newington, NH 03801
Tel : (800) 258-0830 or
(603) 436-9444
Fax : (603) 436-8411
www.thermofisher.com/tc
Statement of Copyright
Copyright © 2007 Thermo Fisher Scientific. All rights reserved.
This manual is copyrighted by Thermo Fisher Scientific.
Users are forbidden to reproduce, republish, redistribute, or resell any materials from this
manual in either machine-readable form or any other form.
Sales, Service, and Customer Support
25 Nimble Hill Road
Newington, NH 03801
Tel: (800) 258-0830
Sales: 8:00 am to 5:00 pm
Service and Support: 8:00 am to 6:00 pm
Monday through Friday (Eastern Time)
Fax: (603) 436-8411
Dieselstrasse 4
D-76227 Karlsruhe, Germany
Tel : +49 (0) 721 4094 444
Fax : +49 (0) 721 4094 300
Building 6, No. 27
Xin Jinqiao Rd., Shanghai 201206
Tel : +86(21) 68654588
Fax : +86(21) 64457830
- 1 -
DIMAX DI MAXIMUM COOLER
PREFACE
Compliance ............................................................................................ 3
Unpacking .............................................................................................. 3
After-sale Support ................................................................................... 3
SECTION I
Safety
Warnings ................................................................................................ 4
SECTION II
General Information
Description ............................................................................................. 5
Specifications ......................................................................................... 6
SECTION III
Installation
Site ......................................................................................................... 7
acility Water Requirements ................................................................... 7
Electrical Requirements .......................................................................... 7
ield Wiring Requirements ...................................................................... 7
Plumbing Requirements .......................................................................... 9
luids ..................................................................................................... 10
illing Requirements ............................................................................... 10
Microprocessor Controller ....................................................................... 11
LEDs ...................................................................................................... 11
ault Messages ...................................................................................... 16
SECTION IV
Operation
Start Up .................................................................................................. 17
low Transducers ................................................................................... 18
Low luid Level Safety ............................................................................ 18
Autorefill ................................................................................................. 18
Emergency Off (EMO) ............................................................................ 18
Remote Interface .................................................................................... 19
Resistivity Sensor ................................................................................... 20
DeviceNet ............................................................................................... 20
DeviceNet Interface ................................................................................. 21
DeviceNet Messaging ............................................................................. 22
MODULE STATUS LED .......................................................................... 23
NETWORK STATUS LED ....................................................................... 23
SECTION V
Maintenance
Service Contracts ................................................................................... 25
Deionizing Cartridge ................................................................................ 25
Cleaning ................................................................................................. 25
- 2 -
SECTION VI
Service & Tro bleshooting
Algae ...................................................................................................... 26
Checklist ................................................................................................ 26
Service Assistance ................................................................................. 27
SECTION VII
Diagrams
low Diagram .......................................................................................... 28
Wiring Diagrams ..................................................................................... 29
- 3 -
Preface
Compliance Listedto:
UL61010-12ndEdition
CSAC22.2#61010.12ndEdition
Productstested andfound to bein compliancewith therequirementsdefined in
theEMC standardsdefined by89/336/EECaswellasLowVoltageDirective
(LVD) 73/23/EEC can be identified by the CE Mark on the rear of the unit. The
testinghasdemonstratedcompliancewiththefollowingdirectives:
LVD,73/23/EEC ComplieswithIEC/EN61010-1
EMC,89/336/EEC IEC/EN61326-1
Foranyadditionalinformation,refertotheDeclarationofConformitythat
shipped with the unit.
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, or does
not operate properly, contact the transportation company and file a damage
claim. Under ICC regulations, this is your responsibility.
After-saleSupport ThermoElectronCorporationiscommittedtocustomerservicebothduringand
afterthe sale.If youhave questionsconcerning theoperationof yourunit,
contact our Sales Department. If your unit fails to operate properly, or if you
havequestionsconcerningsparepartsorServiceContracts,contactour
CustomerServiceDepartment.Beforecalling,pleaseobtainthefollowing
informationfromtheunit'sserialnumberlabel:
- BOM number _________________________
- Serial number _________________________
- Softwareversion(seepage14) ____________
- 4 -
Section I Safety
Warnings
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, contact our Sales Department (see After-sale Support).
Observe all warning labels.
Never remove warning labels.
Never operate damaged or leaking equipment.
Never operate the unit without cooling fluid in the reservoir.
Always turn off the unit and disconnect the line cord from the power
source before performing any service or maintenance procedures.
Always empty the reservoir before moving the unit.
Always turn off the unit and disconnect the line cord from the power
source before moving the unit.
Additional safety warnings are posted throughout the manual. These warn-
ings are designated by an exclamation mark inside an equilateral triangle with
text highlighted in bold. Read and follow these important instructions. ailure
to observe these instructions can result in permanent damage to the unit,
significant property damage, or personal injury or death.
- 5 -
Section II General Information
Description
The DIMAX Liquid to Liquid Heat Exchanger is designed to remove heat
loads from liquid-cooled instruments. The unit uses facility cooling or tap
water as the secondary cooling medium to remove heat from the primaryfluid
in the closed recirculation loop.
The unit consists of a plate heat exchanger, recirculation pump, stainless
steel reservoir, built-in replaceable deionizing cartridge, and a microprocessor
controller. The controller monitors temperature, controls resistivity and
displays all fluid flows.
The unit has 11 return lines. The flow rate in 8 of these lines as well as the
facility flow line is monitored by flow transducers. The unit also has fluid level
sensors designed to protect the unit's pump and your application. A resistivity
sensor monitors resistivity and sends a signal to the controller when replace-
ment is necessary.
- 6 -
25
20
15
10
5
Pressure PSI
10 20 30 40 50 60
low rate (gallons per minute)
Specifications
Temperature Range1
Pumping apacity
Facility Water
Requirements
Reservoir Volume
Gallons
Liters
Unit Dimensions
(H x W x D)
In hes
Centimeters
20
15
10
5
Pressure PSI
10 20 30 40 50
low rate (gallons per minute)
68.0
257
55 x 32½ x 32½
139.7 x 82.6 x 82.6
+20°C to +30°C
1. Lower limit determined by facility water temperature.
- 7 -
Section III Installation
Site
The unit should be placed in a location with easy access to a facility cooling
water and a drain.
or proper ventilation, a minimum clearance of 6 inches ( 15 centimeters) at
the rear of the unit is necessary.
Never place the unit in a location where excessive heat, moisture, or
corrosive materials are present.
Facility Water
Req irements
or the unit to operate at its full rated capacity, the facility water flow rate must
be at least 50 gallons per minute and the facility water temperature must be
between 17°C to 22°C. If the facility water does not meet these requirements,
the cooling capacity will be reduced.
acility water supply should not exceed 100 psi and the maximum pressure
differential between facility water supply and return should not exceed 65 psi.
Electrical
Req irements
Refer to the serial number label on the rear of the unit for the specific
electrical requirements of your unit.
For high-voltage 380-415/480V units only, ensure the voltage selector
switch is in the correct position to meet the power source rating. The
switch is located behind the main circuit breaker panel on the right-
hand side of the unit.
Ensure the voltage of the power source meets the specified voltage, ±10%.
Make sure an adequate ground connection is provided.
Field Wiring
Config ration
The configuration is a 3 phase, 4 wires with PE. Remove the circuit breaker
panel cover to access the DIMAX main circuit breaker (CB1). The Circuit
Breaker is rated for Ring Lugs (RL).
The copper wires of the multi-conductor flexible power cable are terminated
with ring lugs with #10 holes at both ends. Crimp the ring lugs.
One terminal is connected to the branch circuit breaker, and the other to CB1.
- 8 -
Facilities Type Fitting Size Fitting Type Material Pressure Flow omments
Monitored return 1" PT Brass ~5 psi >10gpm at <15psi
Auxiliary return 1" PT Brass ~5 psi
Main Supply 2" PT Brass 25 psi max 50gpm at <15psi
at the mainframe
Auxiliary supply 1" PT Brass 25 psi max
acility water In/Out 2" PT Brass 100 psi max 50gpm max Higher pressures-
consult Thermo NESLAB
Autorefill ½" PT Brass 75 psi max Unregulated Higher pressures-
consult Thermo NESLAB
Reservoir Drain ½" PT Brass Atmospheric N/A
Reservoir Overflow 1 PT Brass Atmospheric N/A
AC Power Input Customer N/A N/A N/A N/A
Supplied
Table 1 acilities Requirements
Tabla de contenidos
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