Thermo Scientific PARTISOL 2000 Service Manual

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Page 1

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

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Service Manual, Partisol Model 2000 Air Sampler

Section Revision List

As R&P instrumentation changes, so do our Operating and Service manuals. However, 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

Revision 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

PAGE I

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Service Manual, Partisol Model 2000 Air Sampler

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

Section 2: Troubleshooting Guides -All troubleshooting guides

Section 3: Service Procedures -All service procedures

Revision B.000

Manual section.

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.

PAGE II

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Service Manual, Partisol Model 2000 Air Sampler

Table of Contents

SECTION 1: INTRODUCTION ............................................................................. 1-1

1.1. Overview of Manual ................................................................. 1-1

ECTION 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

Revision B.000

ECTION 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

PAGE III

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Service Manual, Partisol Model 2000 Air Sampler

Table of Contents (continued)

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

ECTION 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

Revision B.000

ECTION 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

PPENDIX A: HARDWARE CONNECTIONS ......................................................... A-1

NDEX ............................................................................................................. I

PAGE IV

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Service Manual, Partisol Model 2000 Air Sampler

Section 1: Introduction

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.

Revision B.000

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 PAGE 1-1

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This page left intentionally blank.

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Service Manual, Partisol Model 2000 Air Sampler

Section 2: Troubleshooting 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.

Revision B.000

2.1.1. W

HAT 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 operating range. The electronics temperature must be between -5°C and 60°C or the electronics may not operate reliably.

SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-1

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Service Manual, Partisol Model 2000 Air Sampler

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.

Revision B.000

2.1.4. H

OW 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.

Follow these steps to check a cable’s continuity:

1) Set the multimeter so it will measure resistance (W).

2) Determine which cable you are checking and locate its corresponding connectors.

3) Refer to the interconnect diagrams in Section 4 to determine which pins are connected from one connector to the other. (For example, is pin 1 on one connector connected to pin 1 on the other connector or to a different pin?)

4) Place one lead of the multimeter on the first pin on one of the connectors and place the other lead on the corresponding pin of the other connector. The resistance should be very close 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 6pin connectors.

SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-2

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Service Manual, Partisol Model 2000 Air Sampler

2.1.6.1. D-TYPE CONNECTORS

There is only one “D”-type connector used on the Partisol Monitor. It is a female, 9pin, “D”-type connector labeled “RS-232” on the front panel.

Revision B.000

2.1.6.2. R

IBBON CABLE CONNECTORS

All ribbon cable connector pins are counted the same, regardless of the total number of pins. However, the location of pin 1 may vary. The location of pin 1 is noted within the silk-screen on the corresponding electronic board. For example purposes, a 24pin ribbon cable connector is displayed below.

2.1.6.3. M

OLEX CONNECTORS

The Molex connectors used on the Partisol Monitor are white and have 2 pins (such as the hub valve connector (P5) on the underside of the interface board), 4 pins (such as the AC input connector (P2) on the interface board), or 10 pins (such as the 24V/ 5V transformer connector (P3) on the interface board). The easiest way to determine which pin is pin 1 on a Molex connector is to determine what color wire corresponds to pin 1. You can find this information in the interconnection diagrams in Section 4. Once you determine the proper wire color, then you can examine the connector and find pin 1.

SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-3

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Service Manual, Partisol Model 2000 Air Sampler

2.1.6.4. ROUND CONNECTORS

There are three round connectors used on the back of the Partisol Monitor: a 3-pin round connector is used for the ambient temperature sensor, a 4-pin round connector is used for the user output, and a 6-pin round connector is used for the anemometer.

Revision B.000

SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-4

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Service Manual, Partisol Model 2000 Air Sampler

2.2. TROUBLESHOOTING GUIDES

The troubleshooting guides included in the section should be used in conjunction with the following revisions of the schematics included in Section 4 of this manual:

Schematic Schematic Schematic Description Part Number Revision

Interface Board 81-005496 B Interconnection Diagrams 81-005912 C

Revision B.000

SECTION 2: TROUBLESHOOTING GUIDES PAGE 2-5

Page 14

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-6

Error code

“T”

This error code occurs if the ambient temperature

is out of range.

The temperature must be between -40°C and 60°C

to be valid.

AMBIENT TEMPERATURE ERROR TROUBLESHOOTING FLOW CHART

Note:

1. The voltage at this test point is related to the

Replace cable

R&P P/N 51-005633

Continuity OK?

Check continuity of cable

between P54 and ambient

temperature sensor back

panel connector (P52) (see

note 2).

Yes

Check continuity of

cable between P4

(interface board) and

P54 (see note 3).

Replace cable

R&P P/N 51-006183

Continuity OK?

Yes

Replace ambient

temperature sensor cable

R&P P/N 51-004352-0001

2. Pins for continuity check of cable P54 to P52:

3. Pins for continuity check of cable P54 to P4:

temperature according to the following equation:

1°K = 10mVDC (nominal)

P54 P52

Pin 1 Pin 1 Pin 2 Pin 2

----- Pin 3

P54 P4

Pin 1 Pin 1 Pin 2 Pin 2

Service Manual, Partisol Model 2000 Air Sampler

2.2.1. A

MBIENT TEMPERATURE ERROR (T) FLOW CHART

Ensure ambient temperature probe is properly attached to

the back of the instrument.

Go to the statistics screen

and observe the ambient

temperature reading.

Place mult imeter ac ross test

points AMBTEMP (blue) and

AGND (black) on interface

board (see note 1).

Yes

Voltage =

~+15V?

Place multimeter across

test point +15V (red) and

AGND (black) on interface

board.

Voltage

nominal?

Yes

Replace interface/CPU

board assembly

R&P P/N 50-005496

& 10-002407

Replace interface/CPU

board assembly

R&P P/N 50-005496

& 10-002407

Revision B.000

Page 15

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-7

Display blank or

incomplete

Power s ystem

off then on.

Blank or

incomplete?

Incomplete

Check continuity of cable P16A (interfac e board) to

P1 (display) (see note 1

on she et B).

Continui ty OK?

Yes

Install a working display and recheck. R&P P/N 10-002254

Display n ow

work?

Replace interface/CPU

board assembl y R&P P/N 50 -005496

& 10-002407

Hit several keys

Blank

on the keypad.

Replace cable

R&P P/N 51-005637

Original display was

Yes

defective.

DISPLAY TROUBLESHOOTING FLOW CHART-A

Is backlight on?

Did pum p run

at all when p ower was

turned on?

Is the electronics compartment fan

running?

Ensure th e proper

voltage is present at

the AC outlet.

AC voltage OK?

Correct problem.

Display contrast

Yes

may need

adjustment.

Yes

Go to B

electronics

Yes

Check the continuity of all the

compartment

temperature

Replace interface/CPU

board as sembly

R&P P/N 50-005496

& 10-002407

AC components between the

power cord and P2 on th e

interface board.

>65°C?

Adjust contrast with

knob on fro nt of

display.

Yes

Resume normal

operation.

Yes

Able to adjust

contrast?

Replace assembly

R&P P/N 51-005668

Place hand near (d o NOT

touch! ) th e heater at t he

top of the electronics

compartment.

Heat coming from heater?

Compone nts

OK?

Replace defective

component.

Yes

Wait for inst rument to

NoYes

Replace interface/CP U

R&P P/N 50-005496

Check contin uity of

contrast adjustment

pot assembly.

Continui ty OK?

Yes

Perform system

reset.

Still Blank

Go to A

cool do wn.

board assembly

& 10-002407

Service Manual, Partisol Model 2000 Air Sampler

2.2.2. D

ISPLAY TROUBLESHOOTING FLOW CHARTS — A AND B

Revision B.000

Page 16

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-8

Service Manual, Partisol Model 2000 Air Sampler

Is pump still

running?

Yes

electronics

compartment

temperature

>2°C?

Yes

Place m ulti meter across

test point +24V (red) and

PGND (black) on interface

board.

Voltage =~

24V?

Yes

Place multimeter across

test po int +6 V (red) and

PGND (black) on interface

board.

Perform system

reset.

Placehandnear(doNOT

touch!) the heater at the

top of the electronics

Check the 4A fuse used

for the 2 4.5V@3. 6A

voltage from

transformer

Voltage =~ 6V?

Perform system

compartment.

Yes

reset.

DISPLAY TROUBLESHOOTING FLOW CHART-B

Resume normal

operation.

Yes

Problem

corrected?

Heat co ming from heater?

Wait for instr ument to

warm up.

Replace fuse

R&P P/N 04-005510-00 04

Fuse OK?

Check the 5A fuse used

for the 8.3V@5.4A

voltage from transform er.

Yes

Go to A

Replace fuse

R&P P/N 04-003681

Check continuity

between the heater

terminals and P11 on

the interface board.

Yes

Fuse OK?

Yes

R&P P/N 50-005496 & 10-00 2407

Note:

1. Pins for continuity check of cable P16A to P1:

P16A P1 P16A P1

Pin1 Pin1 Pin12 Pin12 Pin2 Pin2 Pin13 Pin13 Pin3 Pin3 Pin14 Pin14 Pin5 Pin5 Pin15 Pin15 Pin6 Pin6 Pin16 Pin16 Pin7 Pin7 Pin17 Pin17 Pin8 Pin8 Pin18 Pin18 Pin9 Pin9 Pin19 Pin19 Pin10 Pin1 Pin20 Pin20 Pin 11 Pin 1 1

Continuit y OK? No

Yes

Replace interface/CPU

board assembly

R&P P/N 50 -005496

& 10-002407

Replace interface/CP U board

assembly with known good one

Replace heate r

R&P P/N 56-005909-012 0

or 56-005909-02 40

Replace transforme r R&P P/N 03-002402

Problem

corrected?

Yes

Original boar ds were

defective.

Revision B.000

Resume normal

operation.

Yes

Problem

corrected?

Contact R&P.

Page 17

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-9

Backlight not on

Power system

off then on.

DISPLAY BACKLIGHT TROUBLESHOOTING FLOW CHART

Note:

1. Pins for continuity check of cable P16B to display:

P16B Display

Pin 1 A Pin 2 K

Service Manual, Partisol Model 2000 Air Sampler

2.2.3. D

ISPLAY BACKLIGHT TROUBLESHOOTING FLOW CHART

Hit several keys on

the keypad.

Is backlight on?

Yes

Resume normal

operation.

Go to diagnostics

screen and turn on

backlight.

Key on keypad pressed

before may be bad.

Yes

CheckstatusofLED “BLITE” on interface

NoIs backlight on?

Perform a s ystem reset and recheck

Replace interface/CPU

board assembly

R&P P/N 50-005496

& 10-002407

board.

Check continuity of cable

P16B (interface board)

Is LED on?

the LED.

LED on? Recheck backlight.

Yes

and display connection

Yes

(see note 1).

Replace display

R&P P/N 10-002254

Yes

Continuity OK?

Replace cable

R&P P/N 51-004665

Revision B.000

Page 18

Service Manual, Partisol Model 2000 Air Sampler

Revision B.000

2.2.4. E

board assembly

R&P P/N 50-005496

Replace interface/CPU

Yes

Replace heater

or 56-005909-0240

R&P P/N 56-005909-0120

present?

AC line voltage

heater term inals.

Place multimeter

across line voltage

LECTRONICS COMPARTMENT ERROR (I) FLOW CHART

temperature.

Recheck instr ument

Yes

temperature.

Recheck instrument

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

& 10-002407

LED off?

LED status.

Perform system

reset and recheck

Yes

LED off?

temperature.

Recheck instrument

Yes

on?

Electronics

heater status

heater status.

Perfo rm a syst em

reset and recheck

Yes

LED on?

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

Perform system

reset and recheck.

LED should be

Observe t he LED

Yes

LED on?

is off.

on when heater

interface board.

labeled “HEAT” on the

Yes

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

Yes

is o n.

LED should be

off when heater

Yes

interface board.

Observe t he LED

labeled “HE AT” on the

on?

Electronics

heater status

heater.

Go to the diagnostics

screen and observe the

status for the instrument

temperature.

Recheck instrument

OFF?

Electronics

heater status

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

heater status.

Perfo rm a syst em

reset and recheck

OFF?

Electronics

heater status

compartment heater.

Go to the diagnostics

screen and observe the

status for the electronics

Yes

to run properly.

too hot for instrument

Ambient temperature may be

Yes

60°C?

Electronics

temperature >=

Yes

ELECTRONICS COMPARTMENT TEMPERATURE ERROR TROUBLESHOOTING FLOW CHART

1°K = 10mVDC

temperature acc ording to the following

equation:

Note:

1. The voltage at this test point is related to the

“I”

Error code

the electronics

is out of range.

This error code occurs if

compartment temperature

electronics may not be

be valid. Outside of this

This temperature must be

bet ween -5 °C and 60° C to

range, the operation of the

Yes

to warm up.

Wait for instrument

reliable.

Heat coming

from heater?

Place hand near (do NOT

Go to the statistics screen

and observe the reading for

the instrumenttemperature.

Place multimeter across

Yes

compartment.

top of the electronics

touch!) the heater at the

(see note 1).

interface board

and AGND (black) on

test points BDTEMP (blue)

Electronics

temp < 15°C?

Yes

Voltage

nominal?

compartment.

of the electronics

Place hand near (do NOT

touch!) the heater at the top

& 10-002407

board assembly

R&P P/N 50-005496

Repla ce inte rface /CPU

Heat coming

from heater?

operating?

Electronics

compartment fan

compartment fan.

Replace electronics

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-10

Page 19

Service Manual, Partisol Model 2000 Air Sampler

Revision B.000

2.2.5. F

Contact R&P.

Yes

voltage

Voltage

displayed?

measured ~

Observe t he value

LOW OUT OF RANGE ERROR (F) FLOW CHARTS — A AND B

& 10-002407

board assembly

R&P P/N 50-005496

Replace interfac e/CPU

displ ayed fo r FLOW .

LED On?Yes

Recheck f low.

pump.

Hub1 va lve and t he

Go to the diagnostics

screen and turn on the

LED status.

Turn on valveand recheck

interface board.

Place theleads of a

AGND (black) on the

multimeter acrosstest

points MFS (blue) and

reset.

Perform asystem

Replace valve

R&P P/N 32-002379

LED On?

assembly (P5,6,7 or 8 to

Check cont inuity o f valve

ContinuityO K?

If the LED is on,

correspondingv alve).

Yes

board assembly

Replace interface/CPU

be on.

the valve should

R&P P/N 50-005496

Chec k the

& 10-002407

Yes

on interfaceboard.

correspondingv alve’s

LED (Hub1, Sat2, etc.)

Remove the hosethat

Flow rate

adjusted?

change as

to the valve manifold.

attaches the back side

of the large in-line filter

NoYes

Flow rate

adjusted?

change as

Go to

the flow rate.

Press the <Decrflw> or

<Incrflw> key and observe

Able to

cali brate?

the mass flow sensor

inter face b oard (P 21A)

connector (P60) and the

(see note 1 onsheet B).

Check continuity between

ContinuityO K?

Yes

FLOW OUT OF RANGE ERROR TROUBLESHOOTING FLOW CHART - A

Replace mass flow

controller assembly

Replace cable

R&P P/N 51-004656-0018

& 10-002407

board assembly

R&P P/N 55-002663

R&P P/N 50-005496

Replace interface/CPU

ambient

pressur e

Refer to th e

Yes

Recheck fl ow.

Yes

LED On?

ambient

flow chart.

Refer to th e

troubleshooting

temperature

troubleshooting

Yes

Recheck flow.

pump.

Go to the diagnostics

screen and turn on the

flow chart.

reset.

Perfo rm a syst em

Perform a flow

cont roller c alibrati on.

Yes

Check LED “Pump” on

occur?

Did “ consta nt

out of range” error

Yes

ambient

pressure

flow chart.

Refer to th e

troubleshooting

LED On?

on, t he pum p shoul d be of f).

interface board (if the LED is

AC line

voltage present

board assembly

Repla ce inte rface/ CPU

Perform an ambi ent

pres sure ca librati on.

board)?

at P10 (interface

Replace pump

& 10-002407

or 54-005949-0240

R&P P/N 54-005949-0120

R&P P/N 50-005496

occur?

Did “ consta nt

out of range” error

Yes

ambient

flow chart.

Referto the

temperature

troubleshooting

Yes

between P10 (interface

board) and P53 (pump)

Check continuity of cable

Yes

ContinuityO K?

Perform an ambi ent

temperature calibration.

(see note 2 on sheet B).

Replace cable

R&P P/N 51-005910

Go to the calibration screen,

problem station.

turn on the pump and the

valve corresponding to the

hub or satellite.

Ensure that nothing is

blocking the inlet to the

filter is not clogged.

Ensure that the sample

clogged.

in-lin e filte r is no t

Ensure that the large

“F”

Error code

setpoint for 1 minute.

rate through the filter has not

Thiserrorcodeoccursiftheflow

been maintained within 7% of the

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-11

present?

Is s tatus “ P”

present?

Is status “T”

Go to the statistics scree n and

Sat2, etc.) was sampling when

determine which station (Hub1,

pump .

error occurred.

Go to the diagnostics

screen and turnon the

Yes

Is pump oper ating? No

Turn off the pump.

properlyc onnected

between pump and

back of enclosure).

Ensure that hoses are

accumulator (located on

assembly.

mass flow control

properlyc onnected

Ensure that hoses are

between accum ulator and

on mass flow controller

Ensure that manual valves

assembly are open

flow).

(handles in direction of

Page 20

Service Manual, Partisol Model 2000 Air Sampler

Revision B.000

P60 P21A

Pin 1 Pin 1 {MAS Out}

Pin 2 ----- {Not Used}

Pin 3 Pin 3 {MAS Gnd}

Pin 4 Pin 4 {MAS V+}

P10 P53

Pin 1 Pin 1 {Line}

Pin 2 Pin 2 {Neutral}

Pin 3 ----- {Not Used}

Pin 4 ----- {Not Used}

P61 P21B

Pin 1 Pin 1 {+24V}

Pin 2 Pin 2 {-}

Note:

1. Pins forcontinuitycheck of cable P60 to P21A:

2. Pins forcontinuitycheck of cable P10 to P53:

3. Pins forcontinuitycheck of cable P61 to P21B:

Recheck fl ow.Recheck flow.

Yes

Voltage vary as

Replace mass flow

controller assembly

R&P P/N 55-002663

FLOW OUT OF RANGE ERROR TROUBLESHOOTING FLOW CHART - B

flow is adjusted?

Yes

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

rech eck vol tage.

Reset the system and

Voltage

adjusted?

var y as fl ow is

Able to adjust?

Yes

Recheck fl ow.

Yes

Recheck fl ow.

interface board.

and AGND (black) on the

across test points MFS (blue)

Plac e the l eads of a mult imeter

recheck voltage.

Reset the s ystem and

Voltage vary as

flow is adjusted?

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

Able to adjust?Yes

Recheck fl ow.

recheck voltage.

Reset the system and

Voltage≈ 2.5V if motor is not

the correct voltage.

the interfac e board to obtain

Adjust potentiometer R53 on

setflowratetozero.

Turn off the pump and

Yes

Voltage vary as

flow is adjusted?

depends on direction).

movi ng, vol tage = ≈ 5V or ≈ 0

when motor is moving (voltage

Voltage = 2.5V

Place the leads of a multimeter

across test points 2.5V (red) and

Yes

±0.002?

board.

PWM0 (green) on the interface

& 10-002407

board assembly

R&P P/N 50-005496

Replace interface/CPU

the interface board.

across test points PWM0

(green) and DGND (black) on

Place the leads of a multimeter

Turn on pump.

Yes

Turn off the pum p.

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-12

should be heard as it turns.

As flow is adjusted, the motor

turning?

Hear motor

on the interfac e board.

across test points MOTORA

(green) and MOTORB (green)

Place the leads of a multimeter

turning.

Voltage ≈ 0 V if motor off,

voltag e ≈ ±8.4 to 14V when

Yes

8.4 and 14V?

Voltage between

(P21B) (see note 3).

(P61) to the interface board

from the MFC motor connection

Check the co ntinuit y of th e cable

Replace mass flow

controller assembly

R&P P/N 55-002663

Conti nuity OK ? Yes

Replace cable

R&P P/N 51-005904

Page 21

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-13

Service Manual, Partisol Model 2000 Air Sampler

KEYPAD TROUBLESHOOTING FLOW CHART

No response from keypad

Perform system

reset.

If onl y one key is bad,

keypad is probably

defective.

Respo nse

from keys on

keypad?

Only one or

several keys bad

Replace keypad with

known g ood one

R&P P/N 55-002345

New k eypad fix pro blem ?

Yes

Return defective k eypad

for rep lacem ent.

No res ponse

Check conti nuity of cable between P15

(interface board) and

P70 (keypad).

Replac e cab le

R&P P/N 51-002376

Contin uity OK?

Yes

Replace inte rface/CPU

board assem bly

R&P P/N 50-005496

& 10-0 02407

AMBIENT PRESSURE TROUBLESHOOTING FLOW CHART

Error code

“P”

This error code occurs if

the ambient pressure is

out of range.

The pressur e mus t be greater than 0.4 atm to

be valid.

Go to th e statist ics screen

and ob serve the ambient

pressure reading.

Place mul timeter across test

points AMBP RESS (blue) a nd

AGND (black) on interface

board (see note 1).

Voltage

nomina l?

Replace int erface/CPU

board assembly

R&P P/ N 50- 005496

& 10- 002407

Yes

Note :

1. Th e vol tage at this test point is rel ated to the pressure according to the following equation:

V * 0.2 194 + 0.1042 15 = P (atm )

Resume normal

operat ion.

Yes

Perform system

reset.

Proble m

correct ed?

2.2.6. K

2.2.7. AMBIENT PRESSURE ERROR (P) FLOW CHART

EYPAD TROUBLESHOOTING FLOW CHART

Revision B.000

Page 22

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-14

Service Manual, Partisol Model 2000 Air Sampler

115 / 230 VAC

Corcom

Power switch /

circuit breaker (5A)

Thermostat (TH103)

opens if > 150F (66C)

POWER SUPPLY FLOW CHART (115 / 230 VAC)

Jumper

Pump

relay (RL1)

AC voltage selector

(SW1)

Electronics

compartment

heater relay

(RL2)

P10

P11

24.5V @ 3.6A

24.5 V/8.3V transformer

8.3V @ 5.4A

Line voltage electronics

compartment heater

2.2.8. P

OWER SUPPLY FLOW CHARTS

PumpP53

Interface Board

P101

Electronics

compartment fan

Revision B.000

Page 23

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-15

Service Manual, Partisol Model 2000 Air Sampler

24.5V/8.3V transformer

24.5V @ 3.6A

Fuse(4A)

POWER SUPPLY FLOW CHART (24.5 VAC / 24VDC)

Thermostat (TH2)

opens if > 140F (60C)

Thermostat (TH1)

closes if > 35F (2C)

Jumper

24VDC voltage

regulator (VREG1)

Heater

relay (RL2)

24VDC

P11

Pump

relay control

(RL1)

Relay #3

control

+15VDC voltage

regulator

(VREG101)

+15V

Low voltage electronics

compartment heater

(Field retrofit only)

Hub valve

Satellite 2 valve

Interface Board

Satellite 3 valve

Satellite 4 valve

Pump compartment

fan

Revision B.000

Page 24

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-16

Service Manual, Partisol Model 2000 Air Sampler

POWER SUPPLY FLOW CHART (15VDC / 10VDC / 5VDC / 5V REF)

24VDC

+15VDC voltage

regulator

(VREG101)

Interface Boar d

10 VDC voltage

regulator (VREG3)

5 VDC voltage

regulator (VREG4)

5V +/- 2.5mV A/D reference

(U501)

P18

P4 P52

10VDC P60

5VDC

P21A

Ambient pressure

tran sducer (PT1)

Vacuum transducer

(PT5 02)

P17

5V REF

P54

P50

Mass flow sensor

CPU Board

Anemometer

Ambient temperature

sensor

Revision B.000

Electronics compartment temperature sensor (U4)

Page 25

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-17

24.5V/8.3V

tran sf ormer

8.3V @ 5.4A

Fuse(5A)

Relay #3

POWER SUPPLY FLOW CHART (8.3 VAC / 2.5VDC / 6VDC)

Interface Board

2.5VDC voltage regulator

(VREG601)

2.5 VDC

Service Manual, Partisol Model 2000 Air Sampler

6VDC voltage

regulator (VREG2)

Mass flow controller

6VDC

motor drive

P1B

5.2 VDC

P21B P61

P16B

Mass flow controller

motor

LDC backlight

(control)

CPU Board

Revision B.000

Page 26

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-18

Service Manual, Partisol Model 2000 Air Sampler

SYSTEM LEAK TROUBLESHOOTING FLOW CHART

System fails

leak test

Install a new filter c asset te

and sam ple filter and

repeat leak test.

Leak test still fails

Pinch the hose downstream

of the sam ple f ilter in the hub

or satellite and repeat leak

test.

Leak test pass?

Pinch the hose

upstre am of the in-line

filter in the hub and

repeat leak test.

Yes

If system still leaks,

contact R&P.

Check fittings on

underside of the

sample filter.

Ensure that the fl ow

audit adapte r is not

damage d.

Ensure the downtube

is pr operly and f ully

installed into the hub

or satellite.

Checkfittingsonmassflow

controller assembly. If no problem

is foun d, r eplace the assembly.

POWER FAILURE ERROR FLOW CHART

Error C ode

“E”

The power has been

interrupted to t he sys tem

during sampling.

Program will continue after power has been

restored.

The “E” error code will be

displayedonthemain

screen unti l the instrument is

put in to st op mo de.

Resume normal

operation.

2.2.9. S

2.2.10. POWER FAIL ERROR (E) FLOW CHART

YSTEM LEAK TROUBLESHOOTING FLOW CHART

Leak test pass?

Yes

Check fit tings and

hoses on va lve ma nifol d. If

no prob lem is fou nd, r eplace

the corresponding valve.

Pinc h the hose

downst ream of t he in-

line filter in the hub and

repeat leak test.

Leak test pass?

Yes

Proble m is in hose attac hment s to

the in-line filter or the filter itself.

Revision B.000

Page 27

ECTION 2: TROUBLESHOOTING GUIDES PAGE 2-19

Service Manual, Partisol Model 2000 Air Sampler

User analog output

errors

Refer to Appendix C of the

Operating Manual for

wiring the analog outputs

Is the

analog output wired

properly?

Yes

Go to the setup screen and

ensure the desired analog

output type ("Flow" or "Stat")

has been set.

Analog output

type set correctly?

USER ANALOG OUTPUT TROUBLESHOOTING FLOW CHART

Note:

1. Pins for continuity check of cable P51 to P18:

P51 P18

Pin 1 ----Pin 2 Pin 9 Pin 3 Pin 10 Pin 4 -----

No Correct the wiring error

Perform a system

Yes

reset.

Replace cable

R&P P/N 51-005915

Replace interface/CPU

board assembly

R&P P/N 50-005496

& 10-002407

Continuity OK?Yes

Check continuity between

the user output connector on

the back of the enclosure

(P51) and the interface

board (P18) (see note 1).

Voltage = 1.0 V?

Voltage = 0.5 V?No Yes

Set run type to

manual on setup

Yes

screen.

Begin sampling by

Return to the main

instrument into run

Call R&P.

pressing <Shift>

followed by

<F6:Hub1>.

screen and press

<F4:Run/Stp> to

place the

mode.

2.2.11. U

SER ANALOG OUTPUT TROUBLESHOOTING FLOW CHART

Correct analog output setting.

Problem

corrected?

Yes

Resume normal

operation.

Ensure the instrument is in the

stop operating mode. If not,

returntothemainscreenand

press <F4:Run/Stp>

Place the leads of a

multimeter across test

points PWM1 (green) and

AGND (black) on the

interface board.

Go to the setup screen

and set the analog

outputtypeto"STAT."

Revision B.000

Page 28

This page left intentionally blank.

Page 29

Service Manual, Partisol Model 2000 Air Sampler

Section 3: Service Procedures

This section describes the service procedures required to maintain consistent operation of the Partisol Sampler. Additional maintenance procedures (such as cleaning the PM-10 inlet) are contained in the Operating Manual. This section provides recommended intervals for maintenance and calibration procedures. However, when determining your own intervals for maintenance and calibration, you must take into account the quality assurance guidelines of your specific monitoring organization and any special local considerations.

Maintenance Procedures Interval Reference

Exchange large in-line filter 6 months Section 3.1.1 Exchange fuses As needed Section 3.1.2 Clean air intake filters 6 months Section 3.1.3 Inspect “V” seals during filter exchange Section 3.1.4 System leak test 3 months Section 3.1.5 Test batteries 6 months Section 3.1.6 Rebuild vacuum pump 18 months Rebuild kit

Revision B.000

Calibration Procedures Interval Reference

Interface board calibration 1 year Section 3.2.1 Analog input calibration 1 year Section 3.2.2 Ambient air temperature calibration 1 year Section 3.2.3 Ambient pressure calibration 1 year Section 3.2.4 Mass flow controller calibration 1 year Section 3.2.5

3.1. MAINTENANCE PROCEDURES

This section contains maintenance procedures for the Partisol Sampler. Additional maintenance procedures (such as cleaning the PM-10 inlet) are contained in the Operating Manual.

3.1.1. EXCHANGING THE LARGE IN-LINE FILTER

The large in-line filter prevents particulate matter from entering the sampler’s flow controller and causing damage.

Tools Needed: Phillips screwdriver

Needle nose pliers

Materials: Large in-line filter (R&P P/N 32-002643)

SECTION 3: SERVICE PROCEDURES PAGE 3-1

Page 30

Service Manual, Partisol Model 2000 Air Sampler

Pump

compartment

cover

Electronics compartment door

Flow controller access door

Contrast knob

Large in-line filter

Black filter

holder

Follow these steps to exchange the large in-line filter:

1) Turn off the sampler and remove the pump compartment cover (Figure 3-1).

Figure 3-1. Partisol Sampler with door open.

Revision B.000

2) Locate the large in-line filter (inside the black filter holder) to the right of the valve manifold (Figure 3-2).

Figure 3-2. Location of the large in-line filter.

SECTION 3: SERVICE PROCEDURES PAGE 3-2

Page 31

Service Manual, Partisol Model 2000 Air Sampler

Hose clip

Large in-line filter

3) Remove the in-line filter from its holder and examine the hose clips which secure the hoses to each end of the filter (Figure 3-3).

Figure 3-3. Large in-line filter removed from its black filter holder.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

4) Using a pair of needle nose pliers, squeeze the tabs on one of the hose clips and remove the corresponding hose from the end of the filter. Repeat this procedure for the other hose clip and hose.

5) Place the hoses and clips onto the new filter using the same method used in step 4. Replace the filter into its holder.

6) Replace the pump compartment cover.

7) Turn on the sampler and perform a system leak check (Section

3.1.5).

3.1.2. EXCHANGING THE FUSES

The Partisol Sampler contains two fuses: a 5A and a 4A fuse. Both fuses are installed into in-line fuse holders located between the transformer and the interface board. The 5A fuse is used for the 8.3V @ 5.4A voltage from the transformer and the 4A fuse is used for the 24.5V @ 3.6A voltage from the transformer. The fuse must be removed from the fuse holder to be identified.

Tools Needed: Phillips screwdriver Materials: 5A fuse (R&P P/N 04-003681)

4A fuse (R&P P/N 04-005510-0004)

SECTION 3: SERVICE PROCEDURES PAGE 3-3

Page 32

Service Manual, Partisol Model 2000 Air Sampler

Fuse

Fuse holders

Follow these steps to exchange the 5A and/or 4A fuse:

1) Turn off the sampler and disconnect the unit’s power cord from its AC source.

2) Remove the three screws and open the electronics compartment door (Figure 3-1).

3) Locate the in-line fuse holder (Figure 3-4). Grasp the holder on both sides and unscrew it until the two halves come apart (Figure 3-5).

4) Remove the fuse from the fuse holder and determine its rating. The fuse rating should be stamped on one of the ends of the fuse.

Figure 3-4. Inside the electronics compartment.

Revision B.000

Figure 3-5. Inside the electronics compartment with an open fuse holder highlighted.

SECTION 3: SERVICE PROCEDURES PAGE 3-4

Page 33

Service Manual, Partisol Model 2000 Air Sampler

Fan

5) Place a new fuse with the proper rating into the holder and screw the two halves of the fuse holder together to secure.

6) Close the electronics compartment door and secure it with the three screws that you previously removed.

7) Connect the power cord to the AC source and resume normal operation.

Revision B.000

Figure 3-6. Location of fan inside the pump compartment.

3.1.3. C

LEANING THE AIR INTAKE FILTER

The Partisol Sampler contains an air intake filter attached to the fan in the pump compartment. This filter cleans the air flow drawn into the instrument enclosure by the fan.

Tools Needed: Phillips screwdriver

Mild soap solution (if required)

Materials: Air intake filter (R&P P/N 10-002799)

Follow these steps to clean the air intake filter:

1) Turn off the sampler and remove the pump compartment cover (Figure 3-1).

2) Locate the air intake fan on the left side of the pump compartment (Figure 3-6).

SECTION 3: SERVICE PROCEDURES PAGE 3-5

Page 34

Service Manual, Partisol Model 2000 Air Sampler

3) Snap off the fan cover on the outside of the enclosure. This cover contains the air intake filter and a screen.

4) Take out the filter and screen and brush any dirt off. If they are covered with a sticky coating, wash both the filter and with a mild soap solution and water. If either part is damaged, they should be replaced.

5) If the filter and/or screen was washed in the liquid solution, allow them to dry before reinstalling them into the cover.

6) Reinstall the filter and screen into the cover and remount the assembly.

7) Replace the pump compartment cover.

8) Turn on the sampler and resume normal operation.

Revision B.000

3.1.4. INSPECTING “V” SEALS

There are two “V” seals used in the hub unit of the Partisol sampler: one mounted above and one mounted below the filter cassette. Also, there are two “V” seals used in each satellite unit. These seals ensure that the sample flow passes through the sample filter and seals the filter from leaks. These seals must be kept clean and inspected frequently for damage.

Tools Needed: Clean dry cloth Materials: Upper “V” seal (R&P P/N 22-002680)

Lower “V” seal (R&P P/N 22-005957)

Follow these steps to check the “V” seals:

1) Open the filter exchange mechanism as if to perform a filter exchange. Remove any sample filter cassette installed.

2) Locate the two “V” seals, one mounted above and one mounted below the filter cassette. Examine each for damage. Wipe seals with a clean dry cloth, if required.

3) Replace damaged “V” seal, if necessary.

4) Perform a system leak test (Section 3.1.5).

SECTION 3: SERVICE PROCEDURES PAGE 3-6

Page 35

Service Manual, Partisol Model 2000 Air Sampler

Revision B.000

Figure 3-7. Audit screen.

Audit Screen

Station: 1

Flow Rate: 0.0 l/min

Ambient Temp: 22.5 C

Ambient Pres: 0.987 atm

FTS Pres: 0.00 inH2O FTS Flow: 0.0 l/min

Edit Hub1 Sat2 Sat3 Pump >

Soft Function Keys in View Data Mode

Edit Hub1 Sat2 Sat3 Pump > Edit Sat4 Pump <

Soft Function Keys in Edit Mode

-- - + ++ Bksp >

+/- <

3.1.5. LEAK CHECK

Tools Needed: None Materials: Flow audit adapter (R&P P/N 57-000618)

New 47mm filter

Unshifted

Shifted

Unshifted

Shifted

Follow these steps to perform a leak test on the hub and satellite units:

1) Install a new 47mm filter into the sampling station (hub or satellite) being tested.

2) From the Partisol Main screen, press <F5:Setup> to enter the Setup screen. Press <F5:Audit> from the Setup screen to enter the Audit screen (Figure 3-7).

3) Remove the size-selective inlet from the sampling station being checked. Refer to the Operating Manual for the maintenance procedure for the PM-10 inlet, if needed.

4) Install the supplied flow audit adapter on the end of the sample tube of the sampling station being checked. Ensure that the flow audit adapter’s valve is in the open position (Figure 3-8).

5) Press either <F2:Hub1>, <F3:Sat2>, <F4:Sat3>, or <F9:Sat4> (<Shift><F4>) depending on which sampling station is currently being checked.

SECTION 3: SERVICE PROCEDURES PAGE 3-7

Page 36

Service Manual, Partisol Model 2000 Air Sampler

Figure 3-8. Flow audit adapter installed.

Revision B.000

6) Turn on the pump by pressing <F5:Pump> or <F10:Pump> (<Shift><F5>).

7) Close the valve on the flow audit adapter.

8) Open the mass flow controller access door on the pump compartment cover (Figure 3-1).

9) Close the flow of the flow controller assembly by turning the manual shut off valve that is attached to the large air filter on the left side of the mass flow controller assembly (labeled “A” in Figure 3-9).

10) Record the reading on the vacuum gauge on the mass flow controller assembly.

11) Shut off the flow to the pump by turning the other manual shut off valve (the “pump” valve), which is located on the bottom of the mass flow controller assembly (labeled “B” in Figure 3-9).

12) Record the reading on the vacuum gauge 10 seconds after the pump valve is closed. This reading should not drop below half of the original reading (recorded in step 10) during this 10 second period. If the reading does drop below half of the original reading, go to Section 2.

13) Slowly open the two valves on the mass flow controller that were closed.

SECTION 3: SERVICE PROCEDURES PAGE 3-8

Page 37

Service Manual, Partisol Model 2000 Air Sampler

Vacuum Gauge

Figure 3-9. Mass flow controller.

Revision B.000

14) Slowly open the valve of the flow audit adapter assembly and remove it from the sampling station being checked. Replace the size-selective inlet.

15) Remove the 47mm filter from the sampling station being checked and discard it.

16) Perform steps 1-14 for each sampling station.

17) When all sampling stations have been checked, close the mass flow controller access door.

3.1.6. TESTING THE BATTERIES

There are two batteries used in the Partisol Sampler: a round coin cell battery and a battery-backed RAM socket battery. Both batteries are located on the CPU board.

3.1.6.1. TESTING THE ROUND COIN CELL BATTERY (BT1)

The round coin cell battery has an approximate 6-month storage capacity when the unit is unpowered and stored at a temperature of 20° C.

SECTION 3: SERVICE PROCEDURES PAGE 3-9

Page 38

Service Manual, Partisol Model 2000 Air Sampler

Revision B.000

Figure 3-10. Setup screen.

Setup

Stations: 3 Std Temp: 25.0 Run Type: BASIC Std Pres: 1.000 Set Flow: 16.7 Ave Temp: 99.9 A/O Type: STAT Ave Pres: 9.999 Curr Date: 03-Dec-99 Basic Cyc: 0 Curr Time: 16:21:36 Intv Mode: SAMP

Edit Calib Diag RS232 Audit >

Soft Function Keys in View Data Mode

Edit Calib Diag RS232 Audit >

LCD + LCD - <

Soft Function Keys in Edit Mode

-- - + ++ Bksp >

+/- <

Follow these steps to check the round battery:

1) From the Partisol Main screen, press <F5:Setup> to enter the Setup screen (Figure 3-10).

Unshifted

Shifted

Unshifted

Shifted

2) Press <F1:Edit> to enter the Edit Mode.

3) Change the time or date to a new value and press <Enter>.

4) Turn off the instrument, wait approximately 20 seconds and turn the power back on.

5) From the Partisol Main screen, press <F5:Setup> to enter the Setup screen.

6) If the time or date is the same value as entered in step 3, the battery is functioning properly. If the time or date shows a different value than the value entered in step 3, the battery must be replaced. Contact R&P.

7) Restore the time or date to the correct value.

3.1.6.2. TESTING THE BATTERY-BACKED RAM SOCKET BATTERY

The battery-backed RAM socket battery has an approximate 2-1/2 year storage capacity if the unit is unpowered and stored at temperatures between 0° and 40° C.

SECTION 3: SERVICE PROCEDURES PAGE 3-10

Page 39

Service Manual, Partisol Model 2000 Air Sampler

Follow these steps to check the socket battery:

1) From the Partisol Main screen, press <F3:Storage> to enter the Filter Data screen.

2) Scan the records on the Filter Data and Interval Data screens for random characters or incorrect data. If any discrepancies are found, contact R&P.

3.2. CALIBRATION PROCEDURES

This section contains calibration procedures for the Partisol Sampler. Calibrations should be performed according to the table on page 3-1.

IMPORTANT:

R&P strongly advises that these calibrations be performed in the order presented.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

3.2.1. INTERFACE BOARD CALIBRATION

The interface board is located on the bottom panel of the electronics compartment (the area behind the keypad in the hub unit). See Figure 3-11 for interface board test point locations.

Tools Needed: Phillips screwdriver

Multimeter with four-digit resolution

Materials: None

Follow these steps to calibrate the interface board:

1) Turn off the sampler.

2) Remove the three screws and open the electronics compartment door (Figure 3-1).

3) Locate the test point labeled “+6V” (red) near the back of the interface board (Figure 3-11). Place the positive lead of a multimeter on the +6V test point.

4) Locate the ground test point labelled “PGND” (black) to the left of the +6V test point (Figure 3-11). Place the ground lead on the PGND test point.

SECTION 3: SERVICE PROCEDURES PAGE 3-11

Page 40

Service Manual, Partisol Model 2000 Air Sampler

Figure 3-11. Interface board test point locations.

Revision B.000

SECTION 3: SERVICE PROCEDURES PAGE 3-12

Page 41

Service Manual, Partisol Model 2000 Air Sampler

5) Ensure that the sampler is turned on and that the display backlight is on. The backlight must be on during the +6V calibration. If the backlight is off, press any key on the keypad to turn it on.

6) Locate the R21 pot on the rear section of the interface board. It is located tp the right of the +6V test point. R21 is a blue vertical pot, and its designation, “R21,” is silk-screened on the board.

7) Adjust the R21 pot with a potentiometer adjustment tool until the multimeter reads 6.00 VDC ± 0.05 V.

8) Locate the test point labeled “+10V” (red) in the center of the interface board. Place the positive lead of the multimeter on the +10V test point.

9) Locate the ground test point labelled “AGND” (black) near the front right corner of the interface board. Place the ground lead on the AGND test point.

Revision B.000

10) Locate the R44 pot in the center of the interface board. R44 is a blue vertical pot, and its designation, “R44,” is silk-screened on the board.

11) Adjust the R44 pot with a potentiometer adjustment tool until the multimeter reads 10.000 VDC ± 0.002 V.

12) Locate the test point labelled “+2.5V” (red) near the right side of the interface board. Place the positive lead of the multimeter on the +2.5V test point.

13) Locate the test point labelled “PWM0” (green) to the right of the +2.5V test point. Place the ground lead on the PWM0 test point.

14) Locate the R53 pot below the PWM0 test point on the interface board. R53 is a blue vertical pot, and its designation, “R53,” is silk-screened on the board.

15) Adjust the R53 pot with a potentiometer adjustment tool until the multimeter reads 0.000 VDC ± 0.002 V.

16) Go to Section 3.2.2.

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3.2.2. ANALOG INPUT CALIBRATION

Always wear appropriate antistatic devices when working with the system’s electronics.

Please note that the following procedure must be performed after the interface board calibration and before the temperature, pressure and flow calibrations.

Tools Needed: Multimeter with four-digit resolution Materials: Analog calibration cable (R&P P/N 51-002604)

Follow these steps to calibrate the analog input:

1) If the Main screen is not currently displayed, press <Esc> until the Main screen is shown (Figure 3-12).

2) The device must be in the Stop Operating Mode to perform an analog input calibration. If the hardware is currently in the Run Operating Mode, press <F4: Run/Stp> to enter the Stop Operating Mode. The current operating mode is displayed in the upper right-hand corner of the Main screen.

Revision B.000

Figure 3-12. Main screen.

3) While in the Main screen, press <F5: Setup> and then <F2: Calib> to access the Calibration screen (Figure 3-13).

4) Plug the 6-pin end of the Analog Input Calibration Cable supplied with the sampler into the socket labelled “ANEMOMETER” on the back of the Partisol hub unit (Figure 3-14).

Basic Partisol Main Screen Stop

16:21 03 - Feb - 00 Curr:2 Status:OK

Stat Std Vol Valid Total Date H1: DONE 24.143 24:00 24:00 02-Feb S2: ON 16.342 16:21 16:21 03-Feb S3: OFF 0.000 0:00 0:00 04-Feb S4:

Edit Stats Storage Run/Stp Setup

Soft Function Keys in View Data Mode

Edit Stats Storage Run/Stp Setup

Soft Function Keys in Edit Mode

Daily Today+1 + ++ Bksp >

-- - + ++ Bksp <

Unshifted

Shifted

Unshifted

Shifted

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Revision B.000

Figure 3-13. Calibration screen.

Figure 3-14. Back of Partisol enclosure.

Basic Calibration Screen Stop

Calc Act Offset Span A/I: 1.003 0.000 0.0000 1.0000 Temp: 27.9 0.0 1.0000 Pres: 0.998 0.000 1.0000 Flow: 16.7 0.0 0.0000 1.0000 A/O: 1.00 Pot: 3.752 Flow Adj: Hold

Edit Hub1 Sat2 Sat3 Sat4 >

Soft Function Keys in View Data Mode

Edit Hub1 Sat2 Sat3 Sat4 >

FTS Pump DecrFlw HoldFlw IncrFlw <

Soft Function Keys in Edit Mode

-- - + ++ Bksp >

+/- <

Unshifted

Shifted

Unshifted

Shifted

5) Plug the 4-pin end of the Analog Input Calibration Cable into the socket labelled “USER OUTPUT” on the back of the Partisol hub unit.

6) Ensure that the electronics compartment door (Figure 3-1) is open.

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7) Locate the test point labelled “PWM1” (green) on the middle-right side of the interface board (Figure 3-11). Attach the positive lead from the multimeter on the PWM1 test point.

8) Locate the ground test point labeled “AGND” (black) near the front right corner of the interface board. Place the ground lead on the AGND test point.

9) Using the arrow key, position the cursor so that it is in the location labelled “A/O” on the Calibration screen.

10) Press <F1:Edit> to enter the Edit Mode. Type in a number between

0.050 and 0.150 volts and press <ENTER>.

11) Observe the number displayed in the row labelled “A/I” in the column labelled “Calc.” Ensure that this number does not vary more than ±0.005 volts after watching it for 5 seconds. If this number is not stable, choose a new number for “A/O” between

0.050 and 0.150 volts.

Revision B.000

12) Read the voltage displayed on the multimeter.

13) Using the arrow keys, position the cursor so that it is in the row labelled “A/I” and the column labelled “Act” (actual).

14) Press <F1:Edit> to enter the Edit Mode. Type the voltage read from the multimeter (to a 3-digit accuracy; i.e., “0.xxx”) in this position and press <ENTER>. This calculates the “Offset.”

15) Ensure that the number now displayed in the row labelled “A/I” and the column labelled “Calc” matches the number displayed on the multimeter within ±0.005 volts.

16) Using the arrow key, position the cursor so that it is in the location labelled “A/O.”

17) Press <F1: Edit> to enter the Edit Mode. Type in a number between 4.800 and 4.900 volts and press <ENTER>.

18) Observe the number displayed in the row labelled “A/I” in the column labelled “Calc.” Ensure that this number does not vary more than ±0.005 volts after watching it for 5 seconds. If this number is not stable, choose a new number for “A/O” between

4.800 and 4.900 volts.

19) Read the voltage displayed on the multimeter.

20) Using the arrow keys, position the cursor so that it is in the row labelled “A/I” and the column labelled “Act.”

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21) Press <F1:Edit> to enter the Edit Mode. Type the voltage read from the multimeter (to a 3-digit accuracy; i.e., “0.xxx”) in this position and press <ENTER>. This calculates the “Span.”

22) Ensure that the number now displayed in the row labelled “A/I” and the column labelled “Calc” matches the number displayed on the multimeter within ±0.005 volts.

23) Remove the multimeter leads from the interface board and the Analog calibration cable from the back of the Partisol hub.

24) After the analog input calibration has been performed successfully, the temperature, pressure and flow calibrations must be performed.

NOTE: If the instrument has been reset and you have recorded the value of “Offset” and “Span” for the flow, you may enter these numbers directly when in the Edit Mode.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

25) Close the electronics compartment door and secure with the three screws previously removed.

26) Go to Section 3.2.3.

3.2.3. AMBIENT AIR TEMPERATURE CALIBRATION

Tools Needed: Temperature measurement device Materials: None

Follow these steps to calibrate the ambient air temperature:

1) If the Main screen is not currently displayed, press <Esc> until the screen is shown (Figure 3-12).

3) While in the Main screen, press <F5: Setup> and then <F2: Calib> to access the Calibration screen (Figure 3-13).

4) Determine the current temperature (°C) at the ambient temperature sensor mounted on the sample tube of the hub unit using an external thermometer, [°C = 5/9 x (°F - 32)].

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5) Press <F1: Edit> to enter the Edit Mode, and move the cursor to the “Act” (actual) column in the row labelled “Temp.”

6) Enter the current ambient temperature (°C), using the <F6: +/-> key to enter negative temperatures if necessary. Press <ENTER> to leave the Edit Mode. Check that the temperature shown in the “Calc” column now matches the current temperature within ±2° C.

7) Upon receiving the actual temperature, the system’s microprocessor automatically computes “Span” for the ambient temperature. Note this number for future reference.

NOTE: If the instrument has been reset and you have recorded the value of “Span” for the ambient temperature, you may enter it directly in the “Span” column when in the Edit Mode.

8) Go to Section 3.2.4.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

3.2.4. AMBIENT PRESSURE CALIBRATION

Tools Needed: None Materials: None

Follow these steps to calibrate the ambient pressure:

1) If the Main screen is not currently displayed, press <Esc> until the screen is shown (Figure 3-12).

2) The device must be in the Stop Operating Mode to perform an ambient pressure calibration. If the hardware is currently in the Run Operating Mode, press <F4: Run/Stp> to enter the Stop Operating Mode. The current operating mode is displayed in the upper right-hand corner of the Main screen.

3) While in the Main screen, press <F5: Setup> and then <F2: Calib> to access the Calibration screen (Figure 3-13).

4) Determine the current ambient station pressure in Atmospheres (absolute pressure, not corrected to sea level).

• To convert from mm Hg @ 0 °C to Atmospheres, multiply by 0.001316.

• To convert from millibars to Atmospheres, multiply by 0.000987.

• To convert from inches Hg @ 32 °F to Atmospheres, multiply by 0.03342.

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5) Press <F1: Edit> to enter the Edit Mode, and move the cursor to the “Act” (actual) column in the row labelled “Pres.”

6) Enter the current ambient pressure (Atmospheres) and press <ENTER> to leave the Edit Mode. Check that the pressure shown in the “Calc” column now matches the current temperature within ± 0.02 atm.

7) Upon receiving the actual pressure, the system’s microprocessor automatically computes “Span” for the ambient pressure. Note this number for future reference.

NOTE: If the instrument has been reset and you have recorded the value of “Span” for the ambient pressure, you may enter it directly in the “Span” column when in the Edit Mode.

8) Go to Section 3.2.5.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

3.2.5. MASS FLOW CONTROLLER CALIBRATION

The temperature and pressure calibrations described above must be performed before the mass flow controller calibration is undertaken. In addition, the leak check discussed in Section 3.1.5 must also be undertaken before the following instructions are executed.

Tools Needed: Flow measuring device such as the

Streamline FTS (R&P P/N 57-004506-0001)

Materials: Flow audit adapter (if required) (R&P P/N 57-000618)

New 47mm filter

Follow these steps to calibrate the mass flow controller:

1) If the Main screen is not currently displayed, press <Esc> until the screen is shown (Figure 3-12).

3) Remove the size-selective inlet from the hub.

4) Install a filter cassette containing a new 47 mm filter into the filter holder of the hub unit. This filter will be thrown away at the end of this flow calibration.

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Revision B.000

Figure 3-15. FTS Flow Calibration screen.

Basic FTS Flow Calibration Stop

Cur Flow: 0.1 l/min Act Flow: 0.1 l/min Valve FTS Pres: 0.00 in/H2O

Flow Adj: Hold Offset: -0.0156 FTS Const m: Span: 1.0096 FTS Const b:

Edit Hub1 Sat2 Sat3 Sat4 >

Soft Function Keys in View Data Mode

Edit Hub1 Sat2 Sat3 Sat4 >

Calib Pump DecrFlw HoldFlw IncrFlw <

Soft Function Keys in Edit Mode

-- - + ++ Bksp >

+/- <

5) While in the Main screen, press <F5: Setup> and then <F2: Calib> to enter the Calibration screen. From the Calibration screen, press <F6: FTS> (<SHIFT> <F1>) to enter the FTS Flow Calibration screen (Figure 3-15).

Unshifted

Shifted

Unshifted

Shifted

6) If you are using the Streamline FTS Flow Transfer Standard to calibrate the flow of the Partisol sampler, enter the FTS calibration constants “m” and “b” on the FTS Flow Calibration screen. Execute the following steps to enter these constants:

• Press <F1:Edit>

• Scroll down to the “FTS Const m” field and enter the m constant from the FTS

calibration sheet

• Scroll down to the “FTS Const b” field and enter the b constant from the FTS

calibration sheet

• Press <Enter>

7) Attach the Streamline FTS Flow Transfer Standard to the hub’s sample tube (Figure 3-16). Other flow meters may require the use of the flow audit adapter to attach the meter to the sample tube. The flow audit adapter should be installed with its valve open (Figure 3-8).

8) Do not turn the pump on. If it is currently on, press <F7: Pump> (<SHIFT> <F2>) to turn it off.

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Service Manual, Partisol Model 2000 Air Sampler

Figure 3-16. Streamline FTS Flow Transfer Standard attached to the Partisol.

Revision B.000

9) Press <F1: Edit> to enter the Edit Mode, and move the cursor to the row labelled “Act Flow.”

10) Enter a zero (“0”) in this field and press <ENTER> to leave the Edit Mode. This causes the microprocessor to compute the “Offset,” which is the zero offset for the mass flow sensor. Record this number for future reference.

11) Turn on the pump by pressing <F7: Pump> (<SHIFT> <F2>), and then press <F2: Hub1> to allow the sample flow to pass through the sample tube of the hub. The valve column should display “H1.”

12) Use the <F8: DecrFlw> (<SHIFT> <F3>) (continuously decrease flow), <F9: HoldFlw> (<SHIFT> <F4>) (maintain current flow rate), and <F10: IncrFlw> (<SHIFT> <F5>) (continuously increase flow) keys to control the flow rate. The flow rate displayed in the row labeled “Cur Flow” should be approximately 16.7 l/min.

NOTE: Pressing <F8:DecrFlw> (or <F10:IncrFlw>) will cause the flow to continuously decrease (or increase) until <F9:HoldFlw> is pressed. If the flow is not stopped, it will decrease (or increase) to a maximum point and will begin to increase (or decrease) because of the circular gear used on the flow controller.

13) Determine the flow in actual l/min by using the external flow meter. If you are using the Streamline FTS Flow Transfer Standard, enter the pressure (inches H2O) in the FTS Pres field. Press <F1:Edit>,

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Service Manual, Partisol Model 2000 Air Sampler

enter the value in the FTS Pres field using the keypad, and then press <Enter>. The sampler will calculate the volumetric flow in l/ min.

14) If you are using the Streamline FTS Flow Transfer Standard, the sampler will automatically enter the calculated flow into the “ACT FLOW” field and compute “Span,” which is the span slope for the mass flow sensor. Record this number for future reference.

15) If you are using a different flow measurement device, you must manually enter the volumetric flow in the “ACT FLOW” field by pressing <F1:Edit> to enter the Edit Mode, moving the cursor to the “ACT FLOW” field and entering the flow determined by the external flow meter, followed by <Enter>. This causes the microprocessor to compute “Span,” which is the span slope for the mass flow sensor. Record this number for future reference.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

NOTE: If the instrument has been reset and you have recorded the value of “Offset” and “Span” for the flow, you may enter these numbers directly when in the Edit Mode.

15) Return to the Main screen by pressing <ESC> three times.

16) Restore the sampling hardware to its original state by removing the flow metering hardware and re-installing the size-selective inlet on the sample tube of the hub. Remove the filter cassette from the hub unit, and discard the filter installed in it.

3.3. REMOVE AND REPLACE PROCEDURES

3.3.1. REMOVING/REPLACING THE DISPLAY

Tools Needed: Phillips screwdriver

Slotted screwdriver

Materials: Display (R&P P/N 10-002254)

Static-shielded bag

Follow these steps to remove the display from the sampler:

1) Turn off the instrument and disconnect the power cord from its AC source.

2) Remove the three screws and open the electronics compartment door (Figure 3-1).

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Display cover

Contrast

knob

RS232 connector

Circuit breaker

Ground wire

Figure 3-17. Back of electronics compartment door.

Revision B.000

3) Examine the back of the electronics compartment door. Remove the screw securing the ground wire to the corner of the display cover (Figure 3-17).

4) Remove the remaining screws that secure the display cover.

5) Note the orientation of the display as it is mounted on the back of the electronics compartment door (the display connector is on the hinge side of the door). You will need this information to install a new display.

6) Disconnect the cable connecting the contrast knob to the display.

7) Disconnect the cable connecting P16A of the interface board and the display at the display connector.

8) Disconnect the cable connecting P16B of the interface board and the display at the interface board connector.

9) Remove the four round standoffs from the corners of the display.

10) Place display in a static-shielded bag.

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Follow these steps to install the display into the sampler:

1) Mount the display into position on the electronics compartment door. The ribbon cable connector should be located on the hinge side of the door.

2) Replace the four round standoffs onto the corners of the display.

3) Connect the cable connecting P16B of the interface board and the display.

4) Connect the cable connecting P16A of the interface board and the display.

5) Connect the cable connecting the contrast knob to the display (Figure 3-17).

6) Replace the display cover onto the standoffs and secure with three of the screws, leaving the lower left corner loose.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

7) Place the ground wire on the loose corner of the display cover and secure with the remaining screw.

8) Close and secure the electronics compartment door.

9) Connect the unit’s power cord to an AC source.

3.3.2. R

EMOVING/REPLACING THE FAN

Tools Needed: Slotted screwdriver

Phillips screwdriver

Materials: Fan (R&P P/N 10-002251)

Follow these steps to remove the fan from the sampler:

1) Turn off the instrument and disconnect the power cord from the AC source.

2) Remove the pump compartment cover (Figure 3-1).

3) Remove the fan cover, screen and filter from the outside of the fan (on the outside of the enclosure).

4) Disconnect the fan connector (P9) from the underside of the interface board.

3) Remove the four screws which secure the fan to the enclosure and remove the fan assembly.

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Follow these steps to install the fan into the sampler:

1) Hold the replacement fan and outside guard mounting frame in the proper position on the enclosure. The fan should be positioned so that the air is blown INTO the enclosure. There is an arrow on the side of the fan that indicates the air flow direction.

2) Secure the fan using the four screws previously removed.

3) Replace the screen, filter and fan cover by pressing it onto the fan mounting frame from the outside of the enclosure.

4) Connect the fan connector (P9) to the underside of the interface board.

5) Replace the pump compartment cover.

6) Connect the power cord to the AC source and resume normal operation.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

3.3.3. REMOVING/REPLACING THE MASS FLOW CONTROLLER ASSY

Tools Needed: Adjustable wrench

Phillips screwdriver Pliers

Materials: Mass flow controller assembly

(R&P P/N 55-002663)

Follow these steps to remove the mass flow controller assembly from the sampler:

1) Turn the instrument off and disconnect the unit’s power cord from its AC source.

2) Remove the pump compartment cover (Figure 3-1).

3) Locate the hose that attaches the mass flow sensor to the large inline filter. Using a pair of pliers, squeeze the clip that secures the hose to the mass flow sensor and remove the hose (Figure 3-3).

4) Locate the hose attached to the manual valve on the bottom of the assembly. Examine the hose clip that secures the hose to the valve.

5) Using a pair of pliers, squeeze the clip and remove the hose from valve.

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6) Locate the wires that are attached to the mass flow controller motor. Follow the wires until you find a Molex connector. Unplug this connector.

7) Disconnect the mass flow sensor connector (P21A) from the interface board.

8) Remove the four nuts that secure the mass flow controller assembly to the enclosure. Remove the assembly.

Follow these steps to install the mass flow controller assembly into the sampler:

1) Place the mass flow controller assembly in its proper position in the enclosure. Ensure that the assembly is oriented so that the vacuum gauge is visible.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

2) Replace the four nuts that secure the mass flow controller assembly to the enclosure.

3) Reconnect the mass flow sensor connector (P21A) on the interface board.

4) Reconnect the mass flow controller motor connector.

5) Using a pair of pliers, squeeze the clip that secures the hose to the mass flow sensor and replace the hose onto the mass flow sensor fitting.

6) Using a pair of pliers, squeeze the clip that secures the hose to the manual valve and replace the hose onto the valve.

7) Perform a system leak test (Section 3.1.5).

8) Perform a mass flow controller calibration (Section 3.2.5).

3.3.4. REMOVING/REPLACING THE ELECTRONICS HEATER/FAN ASSY

Tools Needed: Phillips screwdriver Materials: Electronics heater/fan assy

(R&P P/N 56-005909-0120 or 56-005909-0240 )

Follow these steps to remove the electronics compartment heater/fan assembly from the sampler:

1) Turn the instrument off and disconnect the unit’s power cord from its AC source.

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Service Manual, Partisol Model 2000 Air Sampler

2) Remove the three screws and open the electronics compartment door (Figure 3-1).

3) Locate the electronics compartment heater/fan assembly and note its orientation. You will need this information later when installing a new heater/fan assembly.

4) Disconnect the cable connecting the electronics heater to the interface board (P11).

5) Disconnect the cable connecting the electronics fan to the interface board (P101).

6) While supporting the assembly, remove the two screws that secure the heater/fan assembly to the back of the electronics compartment.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

Follow these steps to install the electronics compartment heater/fan assembly into the sampler:

1) While supporting the assembly in the proper position on the back of the electronics compartment, secure the two screws. Ensure that the orientation is correct (the fan should be on top).

2) Reconnect the cable connecting the electronics heater to the interface board (P11).

3) Reconnect the cable connecting the electronics fan to the interface board (P101).

4) Close the electronics compartment door and secure it with its three screws.

5) Connect the unit’s power cord to its AC source and resume normal operation.

3.3.5. REMOVING/REPLACING THE INTERFACE/CPU BOARD ASSY

Inside the electronics compartment of the Partisol Sampler, the interface board is mounted on top of the CPU board. These boards are attached so that they can be installed and removed as a unit. The user should not attempt to separate these boards. The boards should be returned to R&P as a set if service or replacement is required.

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Service Manual, Partisol Model 2000 Air Sampler

Tools Needed: Phillips screwdriver

Materials: CPU board (R&P P/N 50-002407)

Follow these steps to remove the interface/CPU board assembly from the sampler:

1) Turn the instrument off and disconnect the unit’s power cord from its AC source.

2) Remove the three screws and open the electronics compartment door (Figure 3-1).

Revision B.000

Slotted screwdriver Labeling materials

Interface board (R&P P/N 50-005496) Static-shielded bag

3) Remove all wires and cables connected to the interface and CPU boards.

NOTE: While removing cables, be sure to label each connector with its location for easy re-assembly.

4) Remove the 1/8-inch silicone rubber hose from the pressure transducer on the right side of the interface board.

5) Locate the screws that secure the assembly to the floor of the electronics compartment. Remove the screws.

6) Lift up the assembly approximately 2 inches from the floor of the electronics compartment and remove it from the compartment.

7) Place the boards assembly in a static-shielded bag.

Follow these steps to install the interface/CPU board assembly into the sampler:

1) Position the board assembly over the standoffs on the floor of the electronics compartment.

2) Replace the screws and secure the assembly to the floor of the electronics compartment.

3) Replace the 1/8-inch silicone rubber hose from the pressure transducer on the right side of the interface board.

4) Replace all wires and cables connected to the CPU and interface boards. Be sure to follow the location labels that you made earlier when you removed the cables.

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5) Close the electronics compartment door and secure it with the tree screws.

6) Connect the unit’s power cord to an AC source.

7) Perform the calibration procedures listed in Section 3.2.

3.3.6. REMOVING/REPLACING THE KEYPAD

The keypad of the Partisol Sampler is integrated into the door to the electronics compartment. Therefore, to replace the keypad, the entire electronics compartment door must be replaced.

Always wear appropriate antistatic devices when working with the system’s electronics.

Tools Needed: Adjustable wrench

Materials: Keypad (R&P P/N 55-002345)

Revision B.000

Phillips screwdriver

Static-shielded bag

Follow these steps to remove the keypad from the sampler:

1) Turn the instrument off and disconnect the unit’s power cord from its AC source.

2) Remove the three screws and open the electronics compartment door (Figure 3-1).

3) Remove the display from the electronics compartment door (Section 3.3.1).

4) Remove the two screws that secure the RS232 connector to the electronics compartment door (Figure 3-17). Remove the connector.

5) Remove the four wires attached to the inside of the circuit breaker/ power switch by pulling them straight off.

6) Depress the tabs on both sides of the circuit breaker/power switch and push through the hole in the electronics compartment door.

7) Remove the contrast adjustment knob from the electronics compartment door.

8) Disconnect the keypad cable from the mating cable on the right side wall of the electronics compartment.

9) Remove the three nuts securing the electronics compartment door to the enclosure.

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10) Place the defective keypad into a static-shielded bag for return to R&P.

Follow these steps to install the keypad into the sampler:

1) Place the electronics compartment door in its proper position on the enclosure. Tighten the three nuts that secure the door to the enclosure.

2) Connect the keypad cable to the mating cable on the right side wall of the electronics compartment.

3) Replace the contrast adjustment knob onto the electronics compartment door.

4) Push the circuit breaker/power switch through the hole in the electronics compartment door.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

5) Replace the four wires onto the circuit breaker/power switch.

6) Replace the two screws that secure the RS232 connector to the electronics compartment door.

7) Replace the display onto the electronics compartment door (Section 3.3.1).

8) Close the electronics compartment door and secure.

9) Connect the unit’s power cord to an AC source and resume normal operation.

3.3.7. REMOVING/REPLACING THE PUMP

Tools Needed: Adjustable wrench

Phillips screwdriver

Materials: Pump

(R&P P/N 54-005949-0120 or 54-005949-0240)

Follow these steps to remove the pump from the sampler:

1) Turn the instrument off and disconnect the unit’s power cord from its AC source.

2) Remove the pump compartment cover (Figure 3-1).

3) Remove the black, pneumatic tubing from the fittings of the pump. Depress the collar on the fitting surrounding each tube with a flat

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Service Manual, Partisol Model 2000 Air Sampler

blade screwdriver and then pull the tubing straight out of its fitting (Figure 3-18).

4) Remove the pump’s ground wire from the left side of the enclosure.

5) Disconnect the cable connecting the pump to the interface board (P10). The cable is connected on the underside of the interface board.

6) Remove the four nuts securing the pump to the floor of the pump compartment. You will need to lift or tip the unit sideways to access these nuts.

7) Lift the pump and remove it from the sampler.

Follow these steps to install the pump into the sampler:

Revision B.000

Figure 3-18. Pump compartment.

1) Place the pump into the enclosure in its proper position and secure the pump with the four nuts. You will need to lift or tip the unit sideways to access these nuts.

2) Reconnect the cable connecting the pump to the interface board (P10). The cable is connected on the underside of the interface board.

3) Replace the pump’s ground wire to the left side of the enclosure.

4) Reinsert the black tubing into the pump fittings. Press the tubing firmly into each fitting to insure proper seating.

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5) Replace the pump compartment cover.

6) Connect the unit’s power cord to an AC source and resume normal operation.

Revision B.000

Always wear appropriate antistatic devices when working with the system’s electronics.

3.3.8. R

EMOVING/REPLACING A VALVE

Tools Needed: Flat screwdriver

Phillips screwdriver

Materials: Valve (R&P P/N 59-002456)

Follow these steps to remove the valve from the sampler:

1) Turn the instrument off and disconnect the unit’s power cord from its AC source.

2) Remove the pump compartment cover (Figure 3-1).

3) Locate the valve manifold below the electronics compartment and determine which valve is being replaced (Figure 3-19).

4) Disconnect the cable connecting the valve to the interface board (P5, P6, P7 or P8). The cable is connected on the underside of the interface board.

5) Remove the upper left and lower right screws from the valve. These are the screws that secure the valve to the manifold.

6) Remove the valve from the enclosure.

Follow these steps to install the valve into the sampler:

1) Place the valve onto the manifold in its proper orientation (the valve plug should be toward the pump). Tighten the upper left and lower right screws.

2) Reconnect the cable connecting the valve to the interface board (P5, P6, P7 or P8). The cable is connected on the underside of the interface board.

3) Replace the pump compartment cover.

3) Connect the unit’s power cord to its AC source and resume normal operation.

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Figure 3-19. Valve manifold.

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Section 4: Electrical Schematics

This section contains schematic diagrams and interconnect diagrams of the major electronic components in the Partisol Model 2000 Sampler. Schematic diagrams for the industrial microcomputer system are not included here, because they are proprietary to the manufacturers of these boards.

4.1. ELECTRICAL SCHEMATICS

Schematic Schematic Schematic Description Part Number Revision

Interface board 81-005496 B Interconnect diagrams 81-005912 C

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4.1.1. INTERFACE BOARD

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4.1.2. INTERCONNECT DIAGRAMS

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5-14-99

8-2-99

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TWISTED

PAIRS

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10 OHM 1/2W RESISTOR

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8-2-99

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TO GROUND STUD

TOP VIEW

OPTIONAL

TOP VIEW

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TWISTED

PAIRS

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Section 5: R&P Return Policy

Refer to this section when shipping items to R&P. Always contact the R&P Service Department before returning any unit components.

Service Department, R&P Co. Phone: 518-452-0065 Fax: 518-452-0067 Email: SUPPORT@RPCO.COM

5.1. R&P RETURN POLICY — INSTRUMENT COMPONENTS

There are three types of returns:

· Warranty return for exchange

· Billable return for exchange

· Billable return for repair.

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Warranty Return for Exchange If an instrument component becomes defective during the warranty period, follow this procedure:

1. Contact the R&P Service Department. Have the following information available:

· System serial number

· Nature of the problem

· Troubleshooting steps taken and results.

2. R&P service personnel will determine whether a component exchange is necessary and whether the component is covered under warranty.

3. If R&P service personnel determine that a component exchange is necessary and that it is covered under warranty, you will be issued a return number.

4. A replacement component will be shipped as soon as possible.

5. Once you have received the replacement component and installed it into your unit, you should ship the defective component back to R&P in the same box that the replacement component arrived in, according to the instructions in Section 5.3 or 5.4. Be sure to write the return number on the box or in the return papers.

Billable Return for Exchange If an instrument component becomes defective after the warranty period, follow this procedure:

1. Contact the R&P Service Department. Have the following information available:

· System serial number

· Nature of the problem

· Troubleshooting steps taken and results.

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2. R&P service personnel will determine whether a component exchange is necessary and whether the component is covered under warranty.

3. If the component exchange is billable, R&P service personnel will inform you of the exchange price.

4. You will be issued a return number.

5. As soon as R&P receives your purchase order and appropriate invoice, the company will ship a replacement component to you.

6. Once you have received the replacement component and installed it into your unit, you should ship the defective component back to R&P in the same box that the replacement component arrived in, according to the instructions in Section 5.3 or 5.4. Be sure to write the return number on the box or in the return papers.

Billable Return for Repair If an instrument component becomes defective after the warranty period, the component can be returned to R&P for repair. This procedure is generally less expensive than a billable return for exchange but can result in a longer downtime for the instrument. If you would like to return your instrument component for repair, follow this procedure:

1. Contact the R&P Service Department. Have the following information available:

· System serial number

· Nature of the problem

· Troubleshooting steps taken and results.

2. R&P service personnel will determine whether the component is defective and whether the component is covered under warranty.

3. If R&P service personnel determine that the component is billable and you wish to return it for repair, they will inform you of the exchange price. The billable repair will not exceed this price.

4. You will be issued a return number.

5. Ship the defective component back to R&P, according to the instructions in Section 5.3 or 5.4. Be sure to write the return number on the box or in the return papers. Please include the name and phone number of the person who should be contacted with the final repair price.

6. R&P service personnel will call this person to tell them the final repair price, once the repair is complete.

7. As soon as R&P receives your purchase order for the repair, the company will ship your repaired component to you.

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5.2. R&P RETURN POLICY — SYSTEMS

There are two types of returns:

· Warranty return for evaluation/repair

· Billable return for evaluation/repair.

Warranty Return for Evaluation/Repair If an instrument becomes defective during the warranty period, follow this procedure:

1. Contact the R&P Service Department. Have the following information available:

· System serial number

· Nature of the problem

· Troubleshooting steps taken and results.

2. R&P service personnel will determine whether it is necessary to ship the system to R&P and whether the system is covered under warranty.

3. If R&P service personnel determine that it is necessary to ship the system to R&P and that the system is covered under warranty, you will be issued a return number.

4. R&P service personnel will specify which items should be returned. These items should be returned to R&P according to the instructions in Section 5.3 or 5.4. NOTE: Send the system back to R&P in the original shipping boxes. If you discarded the original shipping boxes and the system becomes damaged during a return shipment to R&P, the warranty could be voided.

5. Be sure to write the return number on the box or in the return papers.

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Billable Return for Evaluation/Repair If an instrument becomes defective after the warranty period, follow this procedure:

1. Contact the R&P Service Department. Have the following information available:

· System serial number

· Nature of the problem

· Troubleshooting steps taken and results.

2. R&P service personnel will determine whether it is necessary to ship the system to R&P and whether the system is covered under warranty.

3. If R&P service personnel determine that it is necessary to ship the system to R&P, you will be issued a return number.

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5. Be sure to write the return number on the box or in the return papers. Please include the name and phone number of the person who should be contacted with the final repair price.

6. When R&P service personnel receive your instrument, they will repair and calibrate the unit. They will determine a final repair price and contact you with this information.

7. As soon as R&P receives your purchase order for the repair, R&P service personnel will return your system.

5.3. CONTINENTAL US SHIPPING INSTRUCTIONS

The following instructions explain how to return merchandise to Rupprecht & Patashnick Co., Inc. when shipping within the Continental US. It is important that R&P receives and repairs defective exchanged items in a timely manner.

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NOTE: You are responsible for the shipping costs of returned goods.

Please read this before returning any material:

1. Do not ship your order collect.

2. Clearly mark your return merchandise paperwork and packaging with the return number to receive credit for your return.

5.4. INTERNATIONAL SHIPPING INSTRUCTIONS

The following instructions explain how to return merchandise to Rupprecht & Patashnick Co., Inc. when shipping from places outside the Continental US (internationally). It is important that R&P receives and repairs defective exchanged items in a timely manner. Please read this before returning any material:

NOTE: To avoid customs delays, it is very important that you clearly

mark your shipping paperwork with the following statement:

COUNTRY OF ORIGIN: USA

You are responsible for the shipping costs of returned goods. Do not ship your order collect.

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1. Clearly mark your return merchandise paperwork and packaging with the return number to receive credit for your return. Mark your paperwork:

2. R&P will instruct you on the method of return, as follows: — For small items with no rush; ship regular air mail - parcel post. — For intermediate or rush shipments using UPS, FEDEX or DHL,

have the shipper handle customs. List “Rupprecht & Patashnick Co., Inc.” as the “cosignee” and yourself as the “shipper.”

— For large items (rush or otherwise) use an air cargo service terminat-

ing at JFK International Airport. Shipping to a different airport will result in significant lost time and added expense. Prepare your “Bill of Lading” as follows:

List “Rupprecht & Patashnick Co., Inc.” as the “cosignee” and yourself as the “shipper.” Address the boxes as follows:

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“COUNTRY OF ORIGIN: USA.”

Rupprecht & Patashnick Co., Inc. c/o Air Express International Phone: (718) 244-4861 J. F. Kennedy International Airport Building 89 Jamaica, NY 11430 Attn.: Julia Harris

— Avoid shipping directly to the Albany Airport. If you must ship

directly to the Albany Airport, prepare your “Bill of Lading” as follows:

List “Rupprecht & Patashnick Co., Inc.” as the “cosignee” and yourself as the “shipper.” List the following customs broker as “notify”:

Notify: James E. Curran & Co., Inc.

29 Dartmouth St. Albany, NY 12209

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3. For non-parcel post shipments over $2,500, a customs declaration letter must accompany the shipment. It should be worded as follows:

“I, __________, declare that to the best of my knowledge and belief, the articles herein specified are products of the USA; that they were exported from the USA, from Albany, New York; and that they are returned without having been advanced in value or improved in condition by any process of manufacture or other means.”

Indicate on the declaration letter the items being returned and the purpose for return (“For Credit,” “For Replacement” or “For Repair”).

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Appendix A: Hardware Connections

The Partisol Model 2000 Air Sampler contains three connectors for communicating analog and serial information with external devices:

User Output This 4-pin connector, located on the back panel of the

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sampler, transmits an analog voltage level in accordance with the currently active sampling station and existence of any status conditions. The pin layout, as viewed from the back of the enclosure, is shown in Figure A-1 and is defined below:

Pin 1 Cable shield Pin 2 Ground Pin 3 Analog voltage (0-5 VDC) Pin 4 Not used.

Anemometer This 6-pin connector, located on the back panel of the

sampler, connects the sampler to a wind vane/anemometer or to an external device, such as a data logger that provides a 0 to 5 VDC control signal to pin 1. The pin layout, as viewed from the back of the enclosure, is shown in Figure A-1 and is defined below:

Pin 1 Wind direction (or control) analog input

(0-5 VDC: 0-50 m/sec (0-180 km/h))

Pin 2 Wind speed analog input

(0-5 VDC: 0-360°) Pin 3 +24 VDC output Pin 4 Ground Pin 5 Cable shield Pin 6 Static ground.

RS-232 This 9-pin connector, located on the keypad panel of the

sampler, allows two-way serial communication between the hub and an external device. The 9 pins in the RS-232 connector are defined in the following manner:

Pin 1 CD Pin 6 DSR Pin 2 RXD Pin 7 RTS Pin 3 TXD Pin 8 CTS Pin 4 DTR Pin 9 RI. Pin 5 GND

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Figure A-1. Pin assignments.

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View looking at back of

enclosure

View looking at back of

enclosure

Each hub unit is supplied with one cable connector for the 4-pin user output connector (R&P part number 06-002453) and one cable connector for the 6-pin anemometer connector (R&P part number 06-002454). The internal construction of these two connectors is displayed in Figure A-2.

To connect a personal computer (PC) with your sampler, you will need a straight 9to-9 pin cable, which may be purchased from R&P as optional equipment (R&P part number 07-000587).

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Figure A-2. Internal construction of 4- and 6-pin cable connectors.

APPENDIX A: HARDWARE CONNECTIONS PAGE A-3

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Index

air intake filter 3-5 ambient pressure

calibration 3-1, 3-18 error code 2-1 troubleshooting 2-13

ambient temperature

calibration 3-1, 3-17 connector 2-4 error code 2-1 troubleshooting 2-6

analog input

calibration 3-1, 3-14 calibration cable 3-14

anemometer

connector 2-4, A-1

Audit screen 3-7

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batteries 3-9

maintenance 3-1, 3-9 RAM 3-10 round 3-9

cables

checking continuity 2-2

calibration procedures 1-1, 3-11

ambient pressure 3-1, 3-18 ambient temperature 3-1, 3-17 analog input 3-1, 3-14 flow 3-1, 3-19 interface board 3-1, 3-11 intervals 3-1

mass flow controller 3-1, 3-19 Calibration screen 3-15 circuit breaker 3-23 connectors

3-pin, round 2-4

4-pin, round 2-4, A-1

6-pin, round 2-4, A-1

anemometer 2-4, A-1

D-type 2-3, A-1

finding pin 1 2-2, A-1

molex 2-3

ribbon cable 2-3

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Index (continued)

round 2-4, A-1

RS-232 2-3, 3-23, A-1

user analog output 2-4, A-1 contrast knob 3-2, 3-23 CPU board

removing 3-28

replacing 3-28

D-type connectors

finding pin 1 2-3, A-1

RS-232 2-3, A-1 display

backlight troubleshooting 2-9

cover 3-23

removing 3-22

replacing 3-24

troubleshooting 2-7

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electronics compartment door 3-2 electronics heater/fan assembly

removing 3-26

replacing 3-27

troubleshooting 2-10 electronics temperature

error code 2-1

troubleshooting 2-10 error codes 2-1

ambient pressure (P) 2-1, 2-13

ambient temperature (T) 2-1, 2-6

electronics temperature (I) 2-1, 2-10

flow out of range (F) 2-1, 2-11

no errors (OK) 2-1

power failure (E) 2-1, 2-18

fan

removing 3-24

replacing 3-25 filter

air intake 3-1, 3-5

large in-line 3-1, 3-2 flow

calibration 3-1, 3-19

error code 2-1

troubleshooting 2-11

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Index (continued)

flow audit adapter 3-7, 3-8, 3-19 FTS Flow Calibration screen 3-20 fuses 3-1, 3-3

guides, troubleshooting 1-1, 2-1, 2-5

ambient pressure 2-13

ambient temperature 2-6

display 2-7

display backlight 2-9

electronics temperature 2-10

flow out of range 2-11

keypad 2-13

power failure 2-18

power supply 2-14

system leak 2-18

user analog output 2-19

using 2-1

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hardware connections A-1

interconnect diagrams 2-5, 4-10 interface board 2-5

calibration 3-1, 3-11

removing 3-28

replacing 3-28

schematic diagram 4-2

test points 3-12, 4-2 interface/CPU board

removing 3-28

replacing 3-28

keypad

removing 3-29

replacing 3-30

troubleshooting 2-13

large in-line filter 3-1

location 3-2

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Index (continued)

Main screen 3-14 maintenance procedures 1-1, 3-1

air intake filters 3-1, 3-5

batteries 3-1, 3-9

battery-backed RAM 3-1, 3-10

fuses 3-1, 3-3

intervals 3-1

large in-line filter 3-1

PM-10 inlet 3-1

pump 3-1

round battery 3-1, 3-9

system leak test 3-1, 3-7

V-seals 3-1, 3-6 manual, overview 1-1 mass flow controller 3-9

access door 3-2

calibration 3-1, 3-19

removing 3-25

replacing 3-26 molex connectors

finding pin 1 2-3 multimeter 3-11, 3-14

checking cable’s continuity 2-2

required resolution 2-1

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PM-10 inlet maintenance 3-1 power failure

error code 2-1

troubleshooting 2-18 pump

compartment 3-31

compartment cover 3-2

maintenance 3-1

removing 3-30

replacing 3-31

remove and replace procedures 3-22

CPU board 3-27

display 3-22

electronics heater/fan assembly 3-26

fan 3-24

interface board 3-27

interface/CPU board assembly 3-27

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Index (continued)

keypad 3-29

mass flow controller 3-25

pump 3-30

valve 3-32 return policy 1-1, 5-1

instrument components, billable exchange 5-1

instrument components, billable repair 5-2

instrument components, warranty 5-1

shipping, international 5-4

shipping, US 5-4

systems, repair 5-3

systems, warranty 5-3 ribbon cable connectors

finding pin 1 2-3 round connectors

3-pin 2-4

4-pin 2-4, A-1

6-pin 2-4, A-1

ambient temperature 2-4

anemometer 2-4, A-1

finding pin 1 2-4, A-1

user analog output 2-4, A-1 RS-232 connector 3-23, A-1

finding pin 1 2-3, A-1

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schematic diagrams 1-1, 4-1

interconnect diagrams 4-10

interface board 4-2 screens, software

Audit screen 3-7

Calibration screen 3-15

FTS Flow Calibration screen 3-20

Main screen 3-14

Setup screen 3-10 service department

email address 5-1

fax number 5-1

phone number 5-1 Setup screen 3-10 Streamline FTS Flow Transfer Standard 3-19, 3-21 system leak

testing for 3-1, 3-7

troubleshooting 2-18

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test points, electronic board 2-2, 3-12, 4-2 troubleshooting 2-1

How do I check a cable’s continuity? 2-2

How do I find pin 1? 2-2

How do I locate a test point? 2-2

What equipment do I need? 2-1

Where do I start? 2-1 troubleshooting guides 1-1, 2-5

ambient pressure 2-13

ambient temperature 2-6

display 2-7

display backlight 2-9

electronics temperature 2-10

flow out of range 2-11

keypad 2-13

power failure 2-18

power supply 2-14

system leak 2-18

user analog output 2-19

using 2-1

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user analog output

connector 2-4, A-1

troubleshooting 2-19

V-seals 3-1, 3-6 valve

manifold 3-33

removing 3-32

replacing 3-32

INDEX VI

Thermo Scientific PARTISOL 2000 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual