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ESPEC SU-642 - User Manual

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ESPEC CORP.
Operation manual / Basic guide
Bench-top type
temperature (and humidity) chamber
SH/SU
40093040002G0
May 10, 2019
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Summary

Introduction

Safety indications

Explains safety signs used throughout the manual, representing degrees of danger and actions required.

Chapter 1 Safety precautions

1.1 Materials not to be placed in the test area

Details materials that should not be placed in the test area due to risks of explosion, fire, or electric shock.

1.2 Precautions when opening and closing the door

Outlines safety measures for opening and closing the chamber door, especially concerning hot or cold temperatures.

1.6 Other precautions

Covers various other safety precautions not listed elsewhere, including handling hot/cold parts and steam.

Chapter 2 Overview

2.2 Temperature (humidity) control

Explains the principles and methods for controlling temperature and humidity within the chamber.

Chapter 3 Part names and functions

Chapter 4 Operation preparation

Chapter 5 Inspection and maintenance

5.2 Inspection and maintenance items

Provides an overview of the key inspection and maintenance tasks for the chamber.

5.3 Inspection

Details specific inspection procedures, including breaker operation and overheat protector checks.

Chapter 6 Troubleshooting

6.1 Alarms and actions

Explains the various alarms the chamber can generate and the appropriate actions to take.

6.6 Troubleshooting

Offers general guidance and specific steps for troubleshooting common issues with the chamber.

List of remaining risks and positions on the product where safety labels are affixed

Risks and countermeasures during transportation and installation

Details risks and countermeasures for transporting and installing the chamber.

Risks and countermeasures during usage

Outlines risks and countermeasures for operating the chamber safely.

Understanding the chamber model code

Accessories and spare parts

Summary

Introduction

Safety indications

Explains safety signs used throughout the manual, representing degrees of danger and actions required.

Chapter 1 Safety precautions

1.1 Materials not to be placed in the test area

Details materials that should not be placed in the test area due to risks of explosion, fire, or electric shock.

1.2 Precautions when opening and closing the door

Outlines safety measures for opening and closing the chamber door, especially concerning hot or cold temperatures.

1.6 Other precautions

Covers various other safety precautions not listed elsewhere, including handling hot/cold parts and steam.

Chapter 2 Overview

2.2 Temperature (humidity) control

Explains the principles and methods for controlling temperature and humidity within the chamber.

Chapter 3 Part names and functions

Chapter 4 Operation preparation

Chapter 5 Inspection and maintenance

5.2 Inspection and maintenance items

Provides an overview of the key inspection and maintenance tasks for the chamber.

5.3 Inspection

Details specific inspection procedures, including breaker operation and overheat protector checks.

Chapter 6 Troubleshooting

6.1 Alarms and actions

Explains the various alarms the chamber can generate and the appropriate actions to take.

6.6 Troubleshooting

Offers general guidance and specific steps for troubleshooting common issues with the chamber.

List of remaining risks and positions on the product where safety labels are affixed

Risks and countermeasures during transportation and installation

Details risks and countermeasures for transporting and installing the chamber.

Risks and countermeasures during usage

Outlines risks and countermeasures for operating the chamber safely.

Understanding the chamber model code

Accessories and spare parts

Overview

This document serves as an operation manual and basic guide for the ESPEC bench-top type temperature (and humidity) chamber, models SH/SU. It provides essential information for safe and correct use, covering operation, maintenance, and troubleshooting.

Function Description

The ESPEC bench-top type temperature (and humidity) chamber is designed for testing materials under controlled temperature and, for SH models, humidity conditions. It allows users to subject specimens to specific environmental parameters to evaluate their performance and durability. The chamber is intended for use by experienced engineers or trained personnel who understand its purpose, operation, maintenance, and associated risks.

Important Technical Specifications

The manual outlines various models with specific technical specifications, primarily related to temperature range and capacity.

Model Code Interpretation: The model code provides key specifications:

  • S: Denotes the series.
  • H: Indicates a humidity chamber (temperature and humidity control).
  • U: Indicates a low-temperature chamber (temperature control only).
  • Set Temperature:
    • 2: -20°C
    • 4: -40°C
    • 6: -60°C
  • Capacity:
    • 2: 22.5L
    • 6: 64L
  • Temperature Change Rate: 5°C/min (for specific models like S-24-2-5).

Temperature-Humidity Control Range (SH only): The SH models offer a standard temperature and humidity range, with temperature control from 15°C to 85°C and relative humidity up to 95%rh.

Power Supply: The chambers are available in various voltage configurations, including 100V, 200V, 220V, 230V AC, and 115V AC, depending on the model and region.

Usage Features

The manual details several features for operating the chamber:

Safety Indications: The document emphasizes safety with clear indications:

  • DANGER: Risk of death or serious injury.
  • WARNING: Risk of death or serious injury.
  • CAUTION: Risk of minor injury or light wound.
  • PROHIBITED: Actions to avoid dangerous situations.
  • ACTION REQUIRED: Imperative actions to prevent dangerous situations.
  • Notice: Information to prevent physical damage or environmental pollution.

Restricted Use: The chamber should only be operated by experienced engineers or persons trained in its proper usage, operation, daily maintenance, and inspection, and who can foresee and prevent risks from common hazards like electricity.

Specimen Handling:

  • Materials not to be placed in the test area are specified, including explosive or combustible materials, and specimens whose conductivity could cause dispersion.
  • Heavy loads exceeding the chamber's capacity are prohibited to prevent warping and wiring damage.
  • Shelves must be set correctly and used within their allowable load capacities to prevent falling.

Door Operations: Precautions are provided for opening and closing the door, especially during high-temperature or high-humidity operations, to avoid steam burns. Users are cautioned against giving shock or strong pressure to the viewing window and inner glass door.

Safety Devices: The manual highlights the importance of correctly setting and checking the safety device for overheat protection before operation.

External Connections:

  • Instructions are given for applying voltage to a specimen using the specimen power supply control terminal to prevent fire.
  • Guidance is provided for using external alarm, output, and measuring instrument interlock terminals.

Remote Operation: When operating remotely, users must confirm safety in and around the test area to prevent accidents.

Environmental Labeling: ESPEC's "GREEN PRODUCT Label" signifies eco-friendly design, with certified products achieving 15% or more energy saving compared to former models under specified operation patterns.

Accessories and Spare Parts: The chamber comes with various accessories and spare parts, including:

  • Shelf: Holds specimens inside the chamber.
  • Cable port rubber plug: Seals the cable port.
  • Humidifying tray drain hose: For draining the humidifying tray and wick pan (SH only).
  • Water tank level sensor tank drain hose: For draining the water tank level sensor tank (SH only).
  • Connector (For temperature [humidity] recorder terminal): Detects dry-bulb temperature and relative humidity (SH only).
  • Terminal plug (For external interface): Connects the chamber to external devices.
  • Power plug: Connects to the socket.
  • Wet-bulb wick: Box of 24 wicks and 1 dropper (SH only).
  • Cartridge fuse (Protects instrumentation circuits and parts): Various types depending on the model and voltage.
  • Class CC fuse (Protects instrumentation circuits and parts): Various types depending on the model and voltage.
  • Breaker handle cover: Protects against erroneous operation of the breaker.
  • Stylus pen: For touchscreen operation.
  • Operation manual: Provides instructions for correct operation.
  • Warranty card: Warranty information.

Maintenance Features

The manual provides detailed instructions for inspection and maintenance to ensure the longevity and safe operation of the chamber.

Regular Inspections:

  • Breaker Operation Test: Instructions for testing breaker operation at different voltages (100V, 200V, 220V, 230V AC).
  • Overheat Protector Operation Test: Ensures the overheat protector is functioning correctly.
  • Air Circulator Operation Check: Verifies proper air flow inside the chamber.
  • Fluorocarbon Emissions Control Law: Simple and periodic inspections related to fluorocarbon emissions.

Cleaning and Maintenance:

  • Water Tank (SH only): Instructions for cleaning the water tank.
  • Humidifying Tray (SH only): Instructions for cleaning the humidifying tray, with a caution to wait until the internal chamber temperature reaches near room temperature and to be careful of hot water when draining.
  • Test Area: Instructions for cleaning the inside of the test area.
  • Water Supply Pump Filter (SH only): Instructions for checking and cleaning the water supply pump filter.
  • Electrical Compartment and Water Circuit Chamber: Periodic cleaning is recommended, with a warning to turn off the main power supply switch and chamber breaker before opening these compartments.

Preparations for Extended Non-Use: Guidance is provided on preparing the chamber for periods of extended non-use.

Troubleshooting and Repairs:

  • Alarms and Actions: A list of alarms and corresponding actions to take.
  • Alarm History Display: How to view past alarm events.
  • Back Trace Function: For diagnosing issues.
  • Backup Operation: Instructions for backup procedures.
  • List of Alarms: Comprehensive list of alarms.
  • Maintenance: Includes replacing fuses and defrosting procedures. Users are warned to use appropriate methods for fuse replacement and inspection to avoid burns and electric shock.

Disposal: Instructions for safe disposal of the chamber, including a warning that two people should work together to remove and dispose of the door to prevent injury or trapping.

Product Safety Labels: Information on purchasing replacement product safety labels if they become damaged, lost, or illegible.

ESPEC SU-642 Specifications

General IconGeneral
BrandESPEC
ModelSU-642
CategoryClimate chamber
LanguageEnglish

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