Hach 5500sc Operating instructions

DOC023.98.80475

5500sc

Ammonia/Monochloramine

03/2019, Edition 6

Maintenance and Troubleshooting

Maintenance et dépannage

Mantenimiento y solución de problemas

Техническое обслуживание и устранение неполадок

English..............................................................................................................................3

Français......................................................................................................................... 21

Español.......................................................................................................................... 39

Русский..........................................................................................................................57

Table of contents

General information on page 3 Clean the sample holder on page 10

Maintenance schedule on page 4 Clean the grab sample funnel on page 13

View maintenance information on page 6 Replace the analyzer bottles on page 14

Put the analyzer in shutdown mode on page 7 Replace the fuses on page 14

Put the analyzer back into operation on page 7 Prepare for storage or shipping on page 15

Clean the instrument on page 7 Update the firmware on page 16

Clean spills on page 7 Troubleshooting and diagnostics on page 16

Sample line and valve cleanup on page 7 Replacement parts and accessories on page 19

Clean the stir bar and sample cells on page 9

General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential

damages resulting from any defect or omission in this manual. The manufacturer reserves the right to

make changes in this manual and the products it describes at any time, without notice or obligation.

Revised editions are found on the manufacturer’s website.

Safety information

N O T I C E

The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,

without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent

permitted under applicable law. The user is solely responsible to identify critical application risks and install

appropriate mechanisms to protect processes during a possible equipment malfunction.

Please read this entire manual before unpacking, setting up or operating this equipment. Pay

attention to all danger and caution statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

Make sure that the protection provided by this equipment is not impaired. Do not use or install this

equipment in any manner other than that specified in this manual.

Use of hazard information

D A N G E R

Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious

injury.

CAUTION

Indicates a potentially hazardous situation that may result in minor or moderate injury.

N O T I C E

Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special

emphasis.

Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

English 3

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential

injury. If on the instrument, refer to the instruction manual for operation or safety information.

This symbol indicates the need for protective eye wear.

This symbol identifies a risk of chemical harm and indicates that only individuals qualified and trained

to work with chemicals should handle chemicals or perform maintenance on chemical delivery

systems associated with the equipment.

This symbol indicates that a risk of electrical shock and/or electrocution exists.

This symbol indicates that the marked item can be hot and should not be touched without care.

This symbol indicates that a risk of fire is present.

This symbol identifies the presence of a strong corrosive or other hazardous substance and a risk of

chemical harm. Only individuals qualified and trained to work with chemicals should handle chemicals

or perform maintenance on chemical delivery systems associated with the equipment.

Electrical equipment marked with this symbol may not be disposed of in European domestic or public

disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to

the user.

Maintenance

CAUTION

Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the

document.

Maintenance schedule

Table 1 shows the recommended schedule of maintenance tasks. Refer to Figure 1 to identify the

maintenance items. Facility requirements and operating conditions may increase the frequency of

some tasks.

Table 1 Maintenance schedule

Task 1 month 3 months 6 months 1 year

Clean the instrument on page 7 X

Clean the stir bar and sample cells

on page 9

X or as needed

Clean the sample holder on page 10 X or as needed

Replace the analyzer bottles on page 14 X

4 English

Table 1 Maintenance schedule (continued)

Task 1 month 3 months 6 months 1 year

Replace the standards (Replace the

analyzer bottles on page 14)

Replace the cleaning solution (Replace the

analyzer bottles on page 14)

Replace the internal filter X or as needed

Clean the screen in the 40-mesh external

filter (Y-strainer)

X or as needed

Clean the screen of the optional 100-µm

external filter

X or as needed

Replace the fan filter3X or as

needed

Replace the reagent air filter X

Replace the tubing3X

Replace the stir bar X

Replace the check valves on the

colorimeters (if applicable)4X

Replace the sample pump3X

1With one calibration per week (default)

2For one cleaning per 6 hours (default)

3Refer to the documentation supplied with the replacement part.

4Not applicable to newer instruments.

English 5

Figure 1 Maintenance items overview

1 Grab sample input funnel 5 Internal sample line filter(s)

2 Sample cells 6 Fan

3 Stir bar (one for each sample cell) 7 Sample holder

4 Reagent air filter 8 Sample pump

View maintenance information

Use the service menu to view or reset the service history for the instrument parts.

1. Push diag.

2. Select SERVICE.

3. Select an option.

Option Description

SERVICE PART Shows a list of parts and the date of the last service, the date of the next service and

the number of days before the next service is due. Restart the counter for the next

service.

PART INFORMATION Shows the date when each part was put into service and the total time that each part

has been in use. Some parts include additional information.

UPCOMING SERVICE Shows the name of the service part, the date of the last service, the date of the next

service and the number of days before the next service is due.

SERVICE HISTORY Shows the type, date and time of the last service.

6 English

Put the analyzer in shutdown mode

Put the analyzer in shutdown mode before maintenance tasks are started. When the analyzer is

stopped, the two colorimeter cells are flushed in sequence, then the sample flow, sample pump and

air pump are set to off. The controller menus stay active.

1. Push menu.

2. Select STOP ANALYZER, then YES to confirm.

Note: If START ANALYZER is shown, the analyzer is already in shutdown mode.

3. Wait for the status to show 100% completion.

4. Close the shut-off valves in the sample lines, then complete the maintenance task(s).

Put the analyzer back into operation

After maintenance tasks are complete, start the analyzer as follows:

1. Make sure that all the tubing is connected and that the lower door is closed and latched.

2. Open the shut-off valves in the sample lines.

3. If power was removed, start power again.

4. Push menu.

5. Select START ANALYZER.

The analyzer starts normal operation.

Clean the instrument

N O T I C E

Never use cleaning agents such as turpentine, acetone or similar products to clean the instrument including the

display and accessories.

Clean the exterior of the instrument with a moist cloth and a mild soap solution.

Clean spills

CAUTION

Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and

national regulations.

1. Obey all facility safety protocols for spill control.

2. Discard the waste according to applicable regulations.

Sample line and valve cleanup

CAUTION

Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective

equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets

(MSDS/SDS) for safety protocols.

English 7

New tubing, valves and other sample conditioning equipment can be contaminated with oils or dust.

These may contribute to slightly high readings until they are cleaned.

1. Flush the sample line with sample for one to two hours.

Clean the sample components

CAUTION

Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective

equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets

(MSDS/SDS) for safety protocols.

Put the analyzer in shutdown mode. Refer to Put the analyzer in shutdown mode on page 7.

Clean the sample cells, the stir bar and the sample holder as necessary. Refer to Maintenance

schedule on page 4. Refer to the illustrated steps in Clean the stir bar and sample cells on page 9

and to Clean the sample holder on page 10.

8 English

Clean the stir bar and sample cells

Items to collect: Cotton swabs, cleaning solution, T10 Torx driver and protective gloves.

English 9

Clean the sample holder

Items to collect: Soft cloth, T20 and T25 Torx drivers.

1. Put the analyzer in shutdown mode. Refer to Put the analyzer in shutdown mode on page 7.

2. Select DIAG/PERFORMANCE TEST>SAMPLE HOLDER DRAIN.

3. Set the time to 50 seconds to drain the sample holder.

4. Do the illustrated steps that follow.

10 English

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