Helmer DH4 - User Manual

1-360008/G
D
PLASMA THAWING SYSTEM
MODELS DH4 and DH8
VERSION K
Operation – Service - Maintenance
HELMER LABS, INC. 15425 HERRIMAN BLVD., NOBLESVILLE, IN 46060 USA
PHONE (317) 773-9073 FAX (317) 773-9082
USA and CANADA
1-800-743-5637
Contents
PAGE
Installation………………………………………………………………..
2

Summary

Controls and Components

Main Power Switch

Describes the main power switch and its indicator light.

General Operation

Step-by-Step Thawing Procedure

Details the procedure for performing a thawing cycle.

Controller Lockout System

Factory Lockout Mode

Describes the factory lockout mode for the controller.

Full Lockout Mode

Describes the full lockout mode for the controller.

Unlocked Mode

Describes the unlocked mode for the controller.

Set Point Lockout

Explains the set point lockout function.

Accessing the Chamber Set Temperature

Accessing the Low and High Alarm Programs

Chamber Drain System

Plasma Overwraps

Chamber Cover

Error Codes

Quality Control

Temperature Controller Calibration

Explains how to verify and recalibrate the temperature controller.

Alarm System Test

Suggested Cleaning Procedure

Recommended Maintenance

Troubleshooting

Main Power

Addresses issues related to the unit not turning on.

DH4 and DH8 Parts List

Wiring Schematic

Helmer DH4 Specifications

General

Brand	Helmer
Model	DH4
Category	Laboratory Equipment
Language	English