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Fisher Scientific Isotemp Plus 13-986-142A User Manual

Fisher Scientific Isotemp Plus 13-986-142A
24 pages
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Isotemp Plus
General Purpose Laboratory Freezers
with Alarm Version Controls
Catalog Numbers:
13-986-142A/RA
13-986-143A/RA
13-986-144A/RA
13-986-146A/RA
13-986-147A/RA
104843 • Rev. A
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Fisher Scientific Isotemp Plus 13-986-142A Specifications

General IconGeneral
Temperature RangeAmbient +5° to 75°C
Exterior Dimensions (W x D x H)26.5 x 28.5 x 39.5 in. (67.3 x 72.4 x 100.3 cm)
Interior Dimensions (W x D x H)22 x 21 x 25 in. (55.9 x 53.3 x 63.5 cm)
Shelves2
Heating Power400W
Display Resolution0.1°C
Dimensions26.5 x 28.5 x 39.5 in. (67.3 x 72.4 x 100.3 cm)
Weight185 lbs (84 kg)

Summary

Introduction

Safety Precautions

Essential safety guidelines and warnings for operating the freezer, covering proper use and potential hazards.

Performance Characteristics

Details the operational specifications including temperature range and stability for the Isotemp Plus freezers.

Installation

Unpacking and Damage Claims

Guides on unpacking the unit, reporting transit damage, and filing claims with the carrier.

Packing List and Site Selection

Lists included items and provides criteria for selecting an optimal location and leveling the freezer.

Shelves and Electrical Connection

Instructions for shelf installation and critical guidance on proper electrical connection and power supply requirements.

Controls

Panel Controls, Key Switch, and Indicators

Explains header panel controls, key switch, display, and various indicator LEDs on the unit.

Keypads and Interior Light

Describes the operation of the controller keypads (Menu, Up, Down) and the interior light switch.

Operation

Controller Setup and Menu Navigation

Guides users through starting the freezer and navigating the controller's setup menus for configuration.

Temperature and Alarm Setpoints

Instructions for setting the desired temperature, high/low alarm thresholds, and measurement units (°C/°F).

Alarm Menus and Calibration

Covers the Alarm Silencing and Alarm Test menus, plus the procedure for calibrating the temperature offset.

Hold-Off, Control Mode, and Loading

Explains Hold-Off time, Control Mode functions, and best practices for loading samples into the freezer.

Temperature Digression Monitoring

Describes how to view and reset the warmest and coldest recorded chamber temperatures.

Alarms

General Alarm Conditions and Over Temp

Lists general alarm triggers and details the Over Temp alarm, including display and alerts.

Under Temp, Door Ajar, Power Loss Alarms

Explains Under Temp, Door Ajar, and Power Loss alarms, including their specific indicators and triggers.

Alarm Silencing and Testing

Guides on silencing audible alarms and performing tests to verify alarm functionality.

Remote Alarm Contacts

Describes the function and types of remote alarm contacts for external monitoring and notification.

Sensor Errors and Battery Backup

Explains "Open Sensor" error codes and the operation/maintenance of the battery backup system.

Calibration and Defrost

Temperature Offset Calibration

Provides a routine to adjust the display and control point to a referenced standard for accurate temperature readings.

Defrost Timer Operation

Details the 24-hour defrost timer, its cycle frequency, and alarm behavior during defrost.

Maintenance

Cleaning Procedures

Instructions for cleaning the freezer's interior, exterior, condenser, and condensate pan for optimal performance.

Troubleshooting

Troubleshooting Guide

A table listing common freezer symptoms, their probable causes, and recommended actions for user-correctable issues.

Replacement Parts

Wiring Diagrams

Wiring Diagram (Models 142, 144, 146)

Provides the electrical wiring schematic for specific freezer models, detailing component connections.

Wiring Diagram (Models 143, 147)

Presents the electrical wiring schematic for other specific freezer models and 4-wire systems.

Warranty

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