Thermo Scientific PARTISOL 2000 Manuel utilisateur
SERVICE MANUAL
PARTISOL® MODEL 2000
AIR SAMPLER
April 2000
Revision B
R&P Part Number 42-002521
Rupprecht & Patashnick Co , Inc
25 Corporate Circle
Albany, NY 12203 USA
phone 518/452-0065
fax 518/452-0067
the new microweighing technology
Service Manual, Partisol Model 2000 Air Sampler
PAGE I
Revision B 000
As R&P instrumentation changes, so do our Operating and Service manuals. How
ever, these changes may affect only one aspect of an instrument, while leaving the
instrument as a whole unchanged. To explain these individual changes to customers,
R&P will update only those sections of its Operating and Service manuals that are
affected by the instrument updates or improvements. As each manual section changes,
so does its revision number, which is located at the top right corner of each page of each
section.
To help customers keep track of the changes to the Partisol Model 2000 Air Sampler
and its service manual, following is a list of the manual sections with their respective
revision numbers:
Section Number and Description Revision Number
Section 1: Introduction B.000
Section 2: Troubleshooting Guides B.000
Section 3: Service Procedures B.000
Section 4: Electrical Schematics B.000
Section 5: R&P Return Policy B.000
Appendix A: Hardware Connections B.000
Index B.000
Section Revision List
Service Manual, Partisol Model 2000 Air Sampler
PAGE II
Revision B 000
Revision Description List
To help customers keep track of the changes to the Partisol Model 2000 Air Sampler
and its service manual, following is a list of the manual sections with their respective
revision descriptions. This list contains all changes made to the manual since the last
update:
Section Number and Description Revision Description
Section 1: Introduction Updated Overview of
Manual section.
Section 2: Troubleshooting Guides All troubleshooting guides
have been updated to reflect
changes to electronics.
Section 3: Service Procedures All service procedures
have been updated to reflect
changes to electronics.
Section 4: Electrical Schematics All electrical schematics
have been updated.
Section 5: R&P Return Policy Changes have been made
to update return procedures.
Appendix A: Hardware Connections Updated hardware
connections.
Index Newly added section.
Service Manual, Partisol Model 2000 Air Sampler
PAGE III
Revision B 000
Tab e of Contents
SECTION 1: INTRODUCTION 1-1
1 1 Overview of Manual 1-1
SECTION 2: TROUBLESHOOTING GUIDES 2-1
2 1 Using the Troubleshooting Guides 2-1
2 1 1 What equipment do I need? 2-1
2 1 2 Where do I start? 2-1
2 1 3 I have chosen a flow chart to begin with Now what? 2-2
2 1 4 How do I check a cable’s continuity? 2-2
2 1 5 How do I locate a test point on an electronic board? 2-2
2 1 6 How do I find pin 1? 2-2
2 1 6 1 D-Type Connectors 2-3
2 1 6 2 Ribbon Cable Connectors 2-3
2 1 6 3 Molex Connectors 2-3
2 1 6 4 Round Connectors 2-4
2 2 Troubleshooting Guides 2-5
2 2 1 Ambient Temperature Error (T) Flow Chart 2-6
2 2 2 Display Troubleshooting Flow Charts — A and B 2-7
2 2 3 Display Backlight Troubleshooting Flow Chart 2-9
2 2 4 Electronics Compartment Error (I) Flow Chart 2-10
2 2 5 Flow Out of Range Error (F) Flow Charts — A and B 2-11
2 2 6 Keypad Troubleshooting Flow Chart 2-13
2 2 7 Ambient Pressure Error (P) Flow Chart 2-13
2 2 8 Power Supply Flow Charts 2-14
2 2 9 System Leak Troubleshooting Flow Chart 2-18
2 2 10 Power Fail Error (E) Flow Chart 2-18
2 2 11 User Analog Output Troubleshooting Flow Chart 2-19
SECTION 3: SERVICE PROCEDURES 3-1
3 1 Maintenance Procedures 3-1
3 1 1 Exchanging the Large In-Line Filter 3-1
3 1 2 Exchanging the Fuses 3-3
3 1 3 Cleaning the Air Intake Filter 3-5
3 1 4 Inspecting “V” Seals 3-6
3 1 5 Leak Check 3-7
3 1 6 Testing the Batteries 3-9
3 1 6 1 Testing the Round Coin Cell Battery (BT1) 3-9
3 1 6 2 Testing the Battery-Backed RAM Socket Battery 3-10
3 2 Calibration Procedures 3-11
3 2 1 Interface Board Calibration 3-11
3 2 2 Analog Input Calibration 3-14
3 2 3 Ambient Air Temperature Calibration 3-17
Service Manual, Partisol Model 2000 Air Sampler
PAGE IV
Revision B 000
3 2 4 Ambient Pressure Calibration 3-18
3 2 5 Mass Flow Controller Calibration 3-19
3 3 Remove and Replace Procedures 3-22
3 3 1 Removing/Replacing the Display 3-22
3 3 2 Removing/Replacing the Fan 3-24
3 3 3 Removing/Replacing the Mass Flow Controller Assy 3-25
3 3 4 Removing/Replacing the Electronics Heater/Fan Assy 3-26
3 3 5 Removing/Replacing the Interface/CPU Board Assy 3-27
3 3 6 Removing/Replacing the Keypad 3-29
3 3 7 Removing/Replacing the Pump 3-30
3 3 8 Removing/Replacing a Valve 3-32
SECTION 4: ELECTRICAL SCHEMATICS 4-1
4 1 Electrical Schematics 4-1
4 1 1 Interface Board 4-2
4 1 2 Interconnect Diagrams 4-10
SECTION 5: R&P RETURN POLICY 5-1
5 1 R&P Return Policy — Instrument Components 5-1
5 2 R&P Return Policy — Systems 5-3
5 3 Continental US Shipping Instructions 5-4
5 4 International Shipping Instructions 5-4
APPENDIX A: HARDWARE CONNECTIONS A-1
INDEX I
Tab e of Contents (continued)
Service Manual, Partisol Model 2000 Air Sampler
SECTION 1: INTRODUCTION PAGE 1-1
Revision B 000
The information contained in this manual will allow the user to do preliminary
troubleshooting to fix some problems or to give the maximum amount of information
available to the factory.
1.1. OVERVIEW OF MANUAL
Section 1 : Introduction
This section provides an overview of the Service Manual.
Section 2 : Troubleshooting Guides
This section contains troubleshooting guides in the form of flow charts to aid the user
when performing diagnostics.
Section 3 : Service Procedures
This section contains the service procedures (maintenance and calibration) required
to maintain consistent operation of the Partisol sampler. In addition, this section
contains procedures describing installation of system components if exchange is
necessary.
Section 4 : Electronic Schematic Diagrams
This section contains schematic diagrams and interconnect diagrams of the major
electronic components in the instrument.
Section 5 : R&P Return Policy
This section contains information regarding the return of whole systems or individual
components for warranty or billable repair.
Appendix A: Hardware Connections
This section contains the pin assignments of the output connectors on the Partisol
Sampler.
Section 1: Introduction
This page left intentionally blank
Service Manual, Partisol Model 2000 Air Sampler
SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-1
Revision B 000
Section 2: Troub eshooting Guides
This section contains troubleshooting guides in the form of flow charts to aid the user
when performing diagnostics. This section should be used in conjunction with the
electrical schematics located in Section 4. Read Section 2.1 before using any of the
troubleshooting guides.
2.1. USING THE TROUBLESHOOTING GUIDES
The troubleshooting guides give the user a logical succession of steps to follow when
diagnosing a problem. Following is a list of the questions most commonly asked by
users with regard to the guides.
2.1.1. WHAT EQUIPMENT DO I NEED?
The main piece of equipment needed is a multimeter (that measures DC and AC
voltages and resistance) with at least a 4 digit resolution.
2.1.2. WHERE DO I START?
Look at the main screen of the Partisol Model 2000 Air Sampler. Any active errors
will be indicated in the upper left corner. Possible error codes are:
OK Great! You have no errors!
E Power Failure — A system power failure occurred during sampling.
F Flow Out of Range — The measured sample flow rate through the
sample filter deviated by more than 7% from its setpoint for more than
1 minute.
T Ambient Temperature Sensor — The ambient temperature sensor
was not installed correctly or indicated an invalid value. The ambient
temperature must be between 40°C and 60°C to be valid.
P Ambient Pressure Sensor — The ambient pressure sensor indicated
an invalid value. The ambient pressure must be greater than 0.4
atmospheres to be valid.
I Electronics Compartment Temperature — The temperature of the
instrument electronics compartment was outside of its usual operat
ing range. The electronics temperature must be between 5°C and
60°C or the electronics may not operate reliably.
Service Manual, Partisol Model 2000 Air Sampler
SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-2
Revision B 000
2.1.3. I HAVE CHOSEN A FLOW CHART TO BEGIN WITH. NOW WHAT?
Now that you have chosen a particular flow chart, begin in the upper left corner of the
chart and follow the “flow” of instructions until you can go no further. These
instructions will bring you through a logical succession of steps to help you determine
where the problem is and what to do about it. Document the result of each step as it
is completed. This information is important if R&P is contacted.
2.1.4. HOW DO I CHECK A CABLE’S CONTINUITY?
Throughout the flow charts are instructions which indicate that a cable’s continuity
should be checked. You must check a cable’s continuity to verify that a particular
cable has not been damaged.
Fo ow these steps to check a cab e’s continuity:
1) Set the mu timeter so it wi measure resistance (
W
).
2) Determine which cab e you are checking and ocate its corre-
sponding connectors.
3) Refer to the interconnect diagrams in Section 4 to determine
which pins are connected from one connector to the other. (For
examp e, is pin 1 on one connector connected to pin 1 on the
other connector or to a different pin?)
4) P ace one ead of the mu timeter on the first pin on one of the
connectors and p ace the other ead on the corresponding pin of
the other connector. The resistance shou d be very c ose to zero
if the continuity is correct.
5) Repeat steps 2-4 for each set of pins being checked.
2.1.5. HOW DO I LOCATE A TEST POINT ON AN ELECTRONIC BOARD?
Refer to the schematic diagrams for the electronics in Section 4. A drawing of the
interface board is included in this section and test points are labeled.
2.1.6. HOW DO I FIND PIN 1?
There are four types of connectors used on the Partisol Monitor, “D” type connectors,
ribbon cable connectors, 2 , 4 and 10 pin Molex connectors and round 3 , 4 and 6
pin connectors.
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