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Identifies and illustrates the main components and their roles within the freezer unit.
Visual representation of the freezer's external and internal components.
Details additional components like backup cooling and storage solutions for enhanced functionality.
Explains the use of backup cooling systems, with safety warnings for CO2 usage.
Details how racks and boxes optimize internal space for storing small samples.
Outlines critical safety measures and warnings for operating the ULT freezer safely.
Provides essential guidelines for correct operation, electrical connections, and handling.
Visual representation of the freezer's refrigeration system components and flow.
Illustrates the electrical connections and layout of the freezer's components.
Presents technical data and specifications for various Haier ULT freezer models.
Information required before installing the unit, including environmental and location considerations.
Detailed instructions for setting up the freezer, covering environment and location.
Specifies optimal ambient temperature, humidity, dust, vibration, elevation, and voltage for operation.
Guidelines for choosing a suitable installation site, ensuring ventilation and access.
Instructions on locating, removing, and safely recycling the unit's rechargeable battery.
Specifies the battery's location within the control box and safety warnings.
Step-by-step guide for safely removing the battery, emphasizing correct polarity.
Procedures for regular cleaning, filter maintenance, defrosting, and battery replacement.
Monthly cleaning instructions for the exterior and interior, emphasizing safe cleaning agents.
Procedure for cleaning the condenser filter to prevent overheating and improve efficiency.
Steps for safely defrosting interior frost and ice buildup using the provided scraper.
Guidance on replacing the battery, noting its lifespan and importance for the alarm function.
Provides guidance for diagnosing and resolving common system malfunctions and issues.
Instructions for initial setup, including unpacking, leveling, grounding, and temperature testing.
Emphasizes the necessity of proper grounding for electrical safety and quick disconnect.
Procedures for initial testing and temperature adjustment to ensure proper operation.
Explains how the unit retains settings and resumes operation after a power interruption.
Information on the display indicators, alarm conditions, and how to silence alarms.
Details how alarms can be temporarily silenced but will resume if the cause is not fixed.
Describes the function and connection of remote alarm terminals for external monitoring.
Explains the open/closed state of terminals under normal and alarm conditions.
Lists specific alarm types, their triggering conditions, indicators, and buzzer sounds.
Step-by-step guide for adjusting temperature set points, alarm limits, and security codes.
Instructions on how to set the desired internal temperature within the specified range.
Guide to configuring the high-temperature alarm threshold for alerts.
Guide to configuring the low-temperature alarm threshold for alerts.
Process for setting and changing the security code to unlock control functions.
How to adjust the compressor startup delay timer to manage power surges.
Procedures for testing the alarm system and checking the battery status.
General
