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Thermo Scientific PLR 221 User Manual

Thermo Scientific PLR 221
34 pages
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Installation and Operation Manual
安装和操作手册
Thermo Scientific
Laboratory Refrigerators and Freezers
赛默飞世尔科技
实验室冰箱和冷冻柜

Table of Contents

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Thermo Scientific PLR 221 Specifications

General IconGeneral
Temperature Range+2°C to +8°C
DefrostAutomatic
RefrigerantR600a
Capacity221 liters
Power Supply220-240V/50Hz

Summary

Safety Considerations for Equipment Operation

Critical Safety Warnings

Do not modify system components; use O.E.M. parts only. Improper use can cause injury or death.

Installation Guidelines

Installation Precautions

Improper operation may result in dangerous conditions. Follow instructions and design limits.

Location Requirements for Installation

Installation Site Requirements

Install in a level, vibration-free area with 10cm side/top clearance and 15cm back clearance.

Install Space Dimensions

Required Unit Clearances

Ensure adequate space for airflow, door swing (min 85 degrees), and wall clearance.

Wiring and Power Connections

Power Connection and Grounding

Connect to correct power source; ensure proper grounding; do not use overloaded lines.

Power Cord Specifications

Units use 10/16 amp cords, rated for 220/230V AC, 50Hz. Use grounded outlets.

Unit Leveling

Unit Leveling Method

Adjust leveling screws to ensure the unit is level. Shim corners if the floor is uneven.

Defrosting Procedures

Manual Defrost Procedure

Instructions for manual defrosting of refrigerator and freezer units when frost exceeds 6mm.

Operation and Temperature Control

Initial Temperature Control

Unit temps are factory set. Plug in, turn key to "I" position, allow 24 hours for desired temp.

User Interface - Refrigerators

Refrigerator Interface Diagram

Shows the user interface for PLR 221, PLR 386, PLR 1006 refrigerators.

Refrigerator Basic Operation

Key must be in "I" for operation. Compressor indicator shows status.

Refrigerator User Interface Operation

Refrigerator Power and Temp Settings

Steps for turning unit on/off and setting interior temperature.

User Interface Operation – Freezer

Setting Freezer High Temp Alarm

Procedure to set the high temperature alarm limit using the Set and arrow buttons.

Setting Freezer Low Temp Alarm

Procedure to set the low temperature alarm limit using the Set and arrow buttons.

Parameter Defaults for PLF 276

Adjust Sensor Temperature Parameter

Alarm Functions and Notifications

Troubleshooting Guide

Application Parameters - Refrigerators

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