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Summary of Contents for Helmer QuickThaw DH2
- Page 1 OuickThaw Plasma Thawing System Operation Manual Version A Version A Version A Model HELMER, INC. 14395 BERGEN BLVD., NOBLESVILLE, IN 46060 USA PHONE (317) 773-9073 FAX (317) 773-9082 USA and CANADA (800) 743-5637 www.helmerinc.com ISO 13485:2003 CERTIFIED 360094-1/J...
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Page 2: Table Of Contents
5 Maintenance schedule ........... .12 Copyright and trademark information Copyright © 2011 Helmer, Inc. CleanBath™ and QuickThaw™ are trademarks of Helmer, Inc All other trademarks and registered trademarks are the property of their respective owners. 360094-1/J... -
Page 3: Safety
Decontaminate parts prior to sending for service or repair. Items not decontaminated appropriately will not be accepted. Documentation stating contents are not contaminated and are safe to handle must accompany returns. Contact Helmer or your distributor for decontamination instructions and a Return Authorization Number. -
Page 4: Components
QuickThaw™ Plasma Thawing System Operation Manual Components Front and sides Front and left side of thawer (DH4 115 V model shown) Label Description Label Description Fan (DH8 100 V models) Control panel Drain port Cover Drain tube with coupling valve Basket Drain port cover Plasma overwrap holder... - Page 5 Components 2.1.1 Control panel Control panel. Top: DH2 models. Bottom: DH4 and DH8 models. Label Description Label Description Power indicator LED MUTE button POWER button CYCLE TIME button LIFT OUT button CYCLE START button Cycle time indicator Temperature controller 360094-1/J...
- Page 6 QuickThaw™ Plasma Thawing System Operation Manual Chamber and rear Rear of thawer (DH4 230 V model shown with parts from various models) Label Description Label Description Chamber External thermometer access port Agitation switch Vent Finger knob Power connector Lift-out system Circuit breaker Basket 360094-1/J...
- Page 7 Components 2.2.1 Thawer basket Basket for DH8 model shown with two plasma bags in standard overwraps Label Description Label Description Basket Basket divider (DH8 models) Bearing Overwrap Security snap 360094-1/J...
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Page 8: Installation
For DH8 100 V models, the POWER button also controls the fan. NOTE: High temperature alarm activates quickly when chamber is empty. Install external thermometer Optional. Install per manufacturer documentation. If using a Helmer DT1 digital thermometer, see instructions on the CD. 3.4... - Page 9 Installation Circuit breakers All 100 V and 115 V models have 1 circuit breaker. All 230 V models have 2. Input power Model / Ratings Voltage 100 V 10 A 15 A 115 V 15 A 2 A + 2 A 4 A + 4 A 6 A + 6 A 230 V...
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Page 10: General Operation
NOTE: Determine water type to be used (tap, distilled, or deionized). Use a bacterial growth inhibitor, such as Helmer CleanBath. Chamber fill lines, at arrow. Ensure chamber and drain are free of debris, and drain tube is not connected. - Page 11 Operation Overwrap bag Overwrap bag MUST be used because: It secures plasma bag to the basket It protects plasma bag against water-borne contaminants If plasma bag breaks, contents will not contaminate water bath. NOTE: Use one overwrap of appropriate size per plasma bag. Recommended: ► Use security snaps on smaller bags that tend to float.
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Page 12: Enable/Disable Agitation
QuickThaw™ Plasma Thawing System Operation Manual Enable/disable agitation Default is enabled. Agitation reduces thaw time. It is controlled by switch located at rear of thawer. For DH4 and DH8, top and bottom switches control right and left basket agitation, respectively. Agitation switches Start/stop/pause thaw process START: Lift-out system closes basket and lowers it into chamber. -
Page 13: Drain Chamber
Operation Drain chamber CAUTION ► Turn off and disconnect power before draining. ► Do not move thawer if filled or when connected to power. Thawer has a drain port with closed valve. Connect the coupling valve with drain tube to the port. If the waste container or drain is not adjacent drain port, use 180 degree fitting and U-tube to extend drain tube. -
Page 14: Maintenance Schedule
QuickThaw™ Plasma Thawing System Operation Manual Maintenance schedule Maintenance tasks must be completed according to the following schedule. These are minimum requirements. See Service manual for parts, calibration, NOTE alarm testing, and cleaning information. Frequency Task Weekly Quarterly Annually needed Clean the chamber and basket (DH2 models) or ...
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