Helmer I Series Guía de instalación y uso

360127-D/E

Freezer Service and Maintenance Manual

i.Series®and Horizon Series™

360427/A

Laboratory

i.Series

iLF120-GX

iLF125-GX

Horizon Series

HLF120-GX

HLF125-GX

Plasma Storage

i.Series

iBF120-GX

iBF125-GX

Horizon Series

HBF120-GX

HBF125-GX

Document Updates

The document is furnished for information use only, is subject to change without notice and should not be construed as a commitment

by Helmer Scientic. Helmer Scientic assumes no responsibility or liability for any errors or inaccuracies that may appear in the

informational content contained in this material. For the purpose of clarity, Helmer Scientic considers only the most recent revision of

this document to be valid.

Notices and Disclaimers

Condential / Proprietary Notices

Use of any portion(s) of this document to copy, translate, disassemble or decompile, or create or attempt to create by reverse

engineering or otherwise replicate the information from Helmer Scientic products is expressly prohibited.

Helmer, Inc. in the United States of America. All other trademarks and registered trademarks are the property of their respective

owners. Helmer, Inc., doing business as (DBA) Helmer Scientic and Helmer.

Disclaimer

This manual is intended as a guide to provide the operator with necessary instructions on the proper use and maintenance of certain

Helmer Scientic products.

Any failure to follow the instructions as described could result in impaired product function, injury to the operator or others, or void

applicable product warranties. Helmer Scientic accepts no responsibility for liability resulting from improper use or maintenance of

its products.

The screenshots and component images appearing in this guide are provided for illustrative purposes only, and may vary slightly from

the actual software screens and/or product components.

Helmer Scientic

14400 Bergen Boulevard

Noblesville, IN 46060 USA

www.helmerinc.com

Part No. 360427/A

Document History

Revision Date CO Supersession Revision Description

A8 APR 2021 15919 n/a Initial release.

* Date submitted for Change Order review. Actual release date may vary.

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

360427/A 2

Contents

1 About This Manual...................................................................................4

1.1 Intended Audience...............................................................................4

1.2 Model Reference................................................................................4

1.3 Intended Use...................................................................................4

1.4 Safety Symbols and Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.5 Avoiding Injury..................................................................................5

1.6 Model and Input Power ...........................................................................5

1.7 Product Labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

i.Series Information............................................................................7

2 InstallationandConguration .........................................................................7

2.1 Location Requirements ...........................................................................7

2.2 Placement and Leveling ..........................................................................7

2.3 Connect Back-Up Power..........................................................................7

2.4 Prepare for Monitoring............................................................................8

2.5 CongureStorage ...............................................................................11

3 Controls...........................................................................................13

3.1 Home Screen and Screensaver ...................................................................13

3.2 Home Screen Functions .........................................................................13

3.3 Alarm Reference ...............................................................................13

3.4 Settings ......................................................................................14

3.5 Sensor Calibration..............................................................................18

4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

4.1 Alarm Tests ...................................................................................23

4.2 Test and Replace Back-up Batteries ................................................................25

4.3 Check Probe Bottle(s) ...........................................................................26

4.4 Display Board Battery ...........................................................................26

4.5 Upgrade System Firmware .......................................................................26

4.6 Clean the Freezer ..............................................................................26

5 Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

5.1 Refrigerant....................................................................................28

5.2 Remove/Replace Unit Cooler Cover ................................................................28

6 Troubleshooting.................................................................................... 30

6.1 Access System Problems ........................................................................30

6.2 Alarm Activation Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.3 Chamber Temperature Problems ..................................................................31

6.4 Condensation and Icing Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

7 i.Series Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

8 Schematics ........................................................................................35

8.1 iBF and iLF Models .............................................................................35

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

360427/A 3

Horizon Series Information.....................................................................37

9 InstallationandConguration ........................................................................37

9.1 Location Requirements ..........................................................................37

9.2 Placement and Leveling .........................................................................37

9.3 Connect Back-Up Power.........................................................................37

9.4 Defrost Events.................................................................................38

9.5 Prepare for Monitoring...........................................................................39

9.6 CongureStorage ..............................................................................41

10 Controls...........................................................................................43

10.1 Monitor and Control Interface .....................................................................43

10.2 Alarm Reference ...............................................................................45

10.3 Settings ......................................................................................46

11 Maintenance .......................................................................................49

11.1 Alarm Tests ...................................................................................50

11.2 Test and Replace Back-up Batteries ................................................................51

11.3 Check Probe Bottle .............................................................................52

11.4 Clean the Freezer ..............................................................................52

12 Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

12.1 Refrigerant....................................................................................53

12.2 Remove / Replace Unit Cooler Cover ...............................................................53

13 Troubleshooting.................................................................................... 55

13.1 Access System Problems ........................................................................55

13.2 Alarm Activation Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

13.3 Chamber Temperature Problems ..................................................................56

13.4 Condensation and Icing Problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

14 Horizon Series Parts ................................................................................57

15.1 HBF and HLF Models ...........................................................................60

15.2 HBF and HLF Models (without Access Control) .......................................................61

15.3 HBF and HLF Models (with Access Control)..........................................................62

Appendix A: Warranty................................................................................... 63

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

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1 About This Manual

1.1 Intended Audience

This manual provides information on how to use i.Series®and Horizon Series™laboratory, and plasma storage freezers. It is

intended for use by end users of the freezer and authorized service technicians.

1.2 Model Reference

Models are indicated by a distinguishing model number that corresponds to the series, type, number of doors, and capacity of the

freezer. For example, “iLF125-GX” refers to an i.Series Laboratory Freezer with 1 door and a capacity of 25 cu ft, while

“HLF120-GX” refers to a Horizon Series Laboratory Freezer with 1 door and a capacity of 20 cu ft..

1.3 Intended Use

Note

This equipment has been tested and found to comply with the limits for a Class Adigital device, pursuant to part 15 of the

FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment

is operated in a commercial environment. This equipment generates, uses and can radiate radio frequency energy and, if

not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required

to correct the interference at his own expense.

Helmerfreezersareintendedforthestorageofbloodproductsandothermedicalandscienticproducts.

1.4 Safety Symbols and Precautions

Symbols found in this document

The following symbols are used in this manual to emphasize certain details for the user:

Task Indicates procedures which need to be followed.

Note Provides useful information regarding a procedure or operating technique when using Helmer

Scienticproducts.

NOTICE Advises the user against initiating an action or creating a situation which could result in damage to

equipment; person injury is unlikely.

Symbols and Labels found on the units

The following symbols may be found on the freezer or freezer packaging:

Warning: Consult manual for important

cautionary information Warning:Crushingofhands/ngers

Warning: Hot surface Danger: Risk of Fire or Explosion. Flammable

refrigerant used

Warning: Shock / electrical hazard Refer to documentation

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

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1.5 Avoiding Injury

• Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by

the manufacturer.

• Do not damage the refrigerant circuit.

Review safety instructions before installing, using, or maintaining the equipment.

♦Before moving unit, ensure the door is closed and casters are unlocked and free of debris.

♦Before moving unit, disconnect the AC power cord and secure the cord.

♦Never physically restrict any moving component.

♦Avoid removing electrical service panels and access panels unless so instructed.

♦Keep hands away from pinch points when closing the door.

♦Avoid sharp edges when working inside the electrical compartment and refrigeration compartment.

♦Ensure products are stored at recommended temperatures determined by standards, literature, or good

laboratory practices.

♦Proceed with caution when adding and removing product from the freezer.

♦Do not open multiple loaded drawers at the same time.

♦Use only a manufacturer supplied power cord.

♦Avoid risk of ignition by using only manufacturer supplied components and authorized personnel when servicing

the unit.

♦ Usingtheequipmentinamannernotspeciedbythemanufacturermayimpairtheprotectionprovidedby

the equipment.

♦Ensure product is stored safely, in accordance with all applicable organizational, regulatory, and legal requirements.

♦ Thefreezerisnotconsideredtobeastoragecabinetforammableorhazardousmaterials.

REQUIRED: Decontaminate parts prior to sending for service or repair. Contact Helmer or your distributor for

decontamination instructions and a Return Authorization Number.

1.6 Model and Input Power

Note

Service information varies depending on the model and power requirements.

Table 1. Model and Input Power

Model Voltage Frequency Current Draw

120 115V 60 Hz 6.6A

220-240V 50/60 Hz 3.1A

125 115V 60 Hz 6.6A

220-240V 50/60 Hz 3.1A

* Amperage values are subject to change. Refer to the product specication label on your unit for current values.

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

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1.7 Product Labels

Thisinformationappearsontheproductspecicationlabel,locatedontherearofthefreezerbelowtheelectricalpanel.

The model also appears on a label located in the chamber on the upper right-side wall.

Note

Informationcontainedinthisspecicationlabelvariesdependingonthemodelandpowerrequirements.

Sample Product Specication label.

Label Description

A Model (REF)

B Serial number

C Power requirements

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

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i.Series Information

2 InstallationandConguration

2.1 Location Requirements

Keep all ventilation openings in the enclosure or, in the structure for building-in, clear of obstruction.

♦ Hasagroundedoutletmeetingtheelectricalrequirementslistedontheproductspecicationlabel.

♦Is clear of direct sunlight, high temperature sources, heating vents, and air conditioning vents.

♦Has a minimum of 8” (203 mm) above, and a minimum of 3” (76 mm) behind the unit for proper ventilation, clearance, and

feature access.

♦ MeetsspeciedlimitsforambienttemperatureandrelativehumidityasstatedintheProductSpecicationssectionof

the Instructions for Use manual.

2.2 Placement and Leveling

NOTICE

• To prevent tipping, ensure the casters are unlocked and the door is closed before moving the freezer.

• To avoid damaging refrigerant tubing or risking refrigerant leak, use caution when moving or operating the unit.

• Use of leveling legs or casters is required.

1. Ensure the door is secured and casters are unlocked.

2. Move the freezer into place. Lock the casters.

3. Ensure the freezer is level.

2.3 Connect Back-Up Power

The monitoring system and chart recorder each have a back-up battery system enabling a period of continuous operation if power

is lost.

Battery life varies by manufacturer, voltage level remaining as well as whether optional Access Control is installed. Providing the

battery switch is full power is available, Access Control is not installed, and no battery-related alarms are active, back-up power for

the monitoring system is available for up to 20 hours (the Low Battery alarm will activate after approximately 18 hours of battery use).

Providing full power is available, back-up power for the monitoring system and optional Access Control system is available for up to

2.5 hours.

Before installing or replacing batteries, switch AC power and back-up battery switches OFF. Disconnect the freezer from

AC power.

Notes

• The optional Access Control system uses the monitoring system back-up battery for back-up power in the event of

power failure.

• The monitoring system will start on back-up battery power alone. If the freezer was not previously connected to AC

power and the back-up battery is switched on, the monitoring system will begin running on back-up battery power.

• If AC power is lost, the monitoring system will automatically disable some features to prolong back-up battery power.

Data collection will continue until back-up battery power is depleted.

The monitoring system back-up battery is located on top of the freezer. Turn the back-up

battery switch ON to enable the back-up battery.

Monitoring system back-up battery.

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

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2.4 Prepare for Monitoring

The back-up battery switch is switched OFF for shipping. Switch the back-up battery switch ON to provide the monitoring

system and optional Access Control system with back-up power in the event of AC power failure.

Temperature Probes

Notes

• Temperature probes are fragile; handle with care.

• Failuretolltheprobebottleorkeeptheprobebottlelledtotheappropriatelevelmaycausethechamber

temperature to display higher or lower than the actual temperature.

• Remote probes may also be introduced through the existing port and immersed in the existing probe bottle.

• External probes should not be routed into the chamber through the door opening as this may cause issues with the

door seal.

• i.Series models are equipped with a primary and secondary monitor probe. The secondary monitor probe is located in

the lower left corner of the cabinet.

Probe bottle(s) and propylene glycol have been provided with this unit. The propylene glycol is mixed with water to create a

solution which, when placed in the probe bottle, simulates the product stored in the freezer. The product simulation solution

temperaturereectstheproduct’stemperatureduringnormaloperation.

The probe bottle should contain 4 oz. (120 mL) of product simulation solution (1:1 ratio of water to propylene glycol).

Probe bottle with probe. Top access port.

Fill Probe Bottle

1. Remove the probe(s) from the bottle and remove the bottle from the bracket.

2. Removethecapandllwith4oz.(120mL)ofproductsimulationsolution.

3. Replace and secure the cap and place the bottle in the bracket.

4. Replace the probe(s), immersing at least 2” (50 mm) in solution.

Install Additional Probe Through Top Port

1. Peel back putty to expose the port.

2. Insert the probe through the port into the chamber.

3. Insert the probe into the bottle.

4. Replace putty, ensuring a tight seal.

i.Series

Helmer Scientic i.Series® and Horizon Series™Freezer Service and Maintenance Manual

360427/A 9

Chart Recorder (if included)

Note

• If the chart recorder has been operating on battery power, the battery should be replaced to ensure the back-up source

has proper charge.

• For complete information, refer to the Temperature Chart Recorder Operation and Service Manual.

The chart recorder has a back-up battery system, enabling a period of continuous operation if power is lost. Battery life varies

by manufacturer as well as voltage level remaining. Providing full power is available, back-up power for the temperature chart

recorder is available for up to 14 hours.

Prior to use:

Route the chart recorder probe through the top access port and place in the bottle with the primary monitor probe.

Set up and Operation

Access the chart recorder by pressing and releasing the door.

Install Battery

Connect the leads to the battery to provide back-up power to the chart recorder.

Install / Replace Chart Paper

Notes

• For accurate temperature reading, ensure the current time is aligned with the time line groove when the chart knob is

fully tightened.

• Contact Helmer Customer Service or your distributor to reorder chart paper.

Chart recorder stylus and time line groove

1. Press and hold the Cbutton.Whenthestylusbeginstomoveleft,releasethebutton.TheLEDashes.

2. When the stylus stops moving, remove the chart knob then move the knob up and away.

3. Place chart paper on the chart recorder.

4. Gently lift the stylus and rotate the paper so the current time line corresponds to the time line groove.

5. Hold the chart paper in place while making sure the chart knob is fully tightened. (Failure to fully tighten the knob can result in paper

slipping and losing time.)

6. Press and hold the C button. When the stylus begins to move right, release the button.

7. Conrmthestylusismarkingonthepaperandstopsatthecorrecttemperature.

8. Calibrate the chart recorder to match the primary temperature if needed and close the recorder door.

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