Neslab RTE-211 User Manual

WARRANTY
NESLAB Instruments, Inc. warrants for 12 months from date of shipment any NESLAB unit according to the
following terms.
Any part of the unit manufactured or supplied by NESLAB and found in the reasonable judgment of NESLAB
to be defective in material or workmanship will be repaired at an authorized NESLAB Repair Depot without
charge for parts or labor. The unit, including any defective part must be returned to an authorized NESLAB
Repair Depot within the warranty period. The expense of returning the unit to the authorized NESLAB Repair
Depot for warranty service will be paid for by the buyer. NESLAB’s responsibility in respect to warranty claims
is limited to performing the required repairs or replacements, and no claim of breach of warranty shall be
cause for cancellation or recision of the contract of sales of any unit.With respect to units that qualify for field
service repairs, NESLAB’s responsibility is limited to the component parts necessary for the repair and the
labor that is required on site to perform the repair. Any travel labor or mileage charges are the financial respon-
sibility of the buyer.
The buyer shall be responsible for any evaluation or warranty service call (including labor charges) if no
defects are found with the NESLAB product.
This warranty does not cover any unit that has been subject to misuse, neglect, or accident. This warranty
does not apply to any damage to the unit that is the result of improper installation or maintenance, or to any
unit that has been operated or maintained in any way contrary to the operating or maintenance instructions
specified in NESLAB’s Instruction and Operation Manual. This warranty does not cover any unit that has been
altered or modified so as to change its intended use.
In addition, this warranty does not extend to repairs made by the use of parts, accessories, or fluids which are
either incompatible with the unit or adversely affect its operation, performance, or durability.
NESLAB reserves the right to change or improve the design of any unit without assuming any obligation to
modify any unit previously manufactured.
THE FOREGOING EXPRESS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR
IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OR MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE.
NESLAB’S OBLIGATION UNDER THIS WARRANTY IS STRICTLY AND EXCLUSIVELY LIMITED TO THE
REPAIR OR REPLACEMENT OF DEFECTIVE COMPONENT PARTS AND NESLAB DOES NOT ASSUME
OR AUTHORIZE ANYONE TO ASSUME FOR IT ANY OTHER OBLIGATION.
NESLAB ASSUMES NO RESPONSIBILITY FOR INCIDENTAL, CONSEQUENTIAL, OR OTHER DAMAGES
INCLUDING, BUT NOT LIMITED TO LOSS OR DAMAGE TO PROPERTY, LOSS OF PROFITS OR REV-
ENUE, LOSS OF THE UNIT, LOSS OF TIME, OR INCONVENIENCE.
This warranty applies to units sold in the United States. Any units sold elsewhere are warranted by the affiliated
marketing company of NESLAB Instruments, Inc. This warranty and all matters arising pursuant to it shall be
governed by the law of the State of New Hampshire, United States. All legal actions brought in relation hereto
shall be filed in the appropriate state or federal courts in New Hampshire, unless waived by NESLAB.

Neslab RTE-211 Specifications

General

Brand	Neslab
Model	RTE-211
Category	Water System
Language	English

Summary

Warranty Terms and Conditions

Repair and Replacement Policy

Details NESLAB's commitment to repairing or replacing defective parts and components at authorized depots.

Warranty Exclusions

Lists conditions like misuse, neglect, accident, improper installation, or modification that void the warranty.

Limitation of Liability

States NESLAB's obligation is limited to repair/replacement and excludes incidental/consequential damages.

Safety Precautions

General Safety Instructions

Emphasizes reading all instructions, avoiding hazardous procedures, and proper handling of units.

Electrical Safety

Details requirements for line cords for 220-240V units and the importance of proper grounding for shock protection.

Installation Site and Electrical Requirements

Site Selection

Electrical Requirements

Covers voltage requirements, grounding, and specifies cord types for 220-240V units.

Plumbing and Pumping

Hose Connections

Pumping Configuration

Fluid Management

Drain and Fluid Selection

Filling Requirements

Temperature Controller Operations

Unit Start-Up

Controller Interface

Controller Display and Value Adjustment

Adjusting Setpoint Values

Display Navigation

Setup Loop Configuration

Entering Setup Loop

PID and Sensor Settings

Temperature Limit Settings

Advanced Setup Loop Settings

RS232 Communication Setup

Error Messages

Error Code Interpretation

Lists various error codes (Er00-Er34) and their corresponding actions or causes, such as ROM Checksum, Keypad Test Failed, High Temp Limit.

Controller Lockup Conditions

Notes that errors 1 through 16 will lock up the controller keypad, requiring specific actions.

High Temperature/Low Liquid Level Safety

Safety Feature Operation

Describes the adjustable safety feature that prevents the heater from exceeding temperature limits and protects the unit.

Setting Safety Limits

Guides on how to set the HIGH TEMP/LOW LEVEL SAFETY dial and reset the unit after a fault.

Maintenance

Condenser Cleaning

Reservoir and Algae Management

Reservoir Cleaning

Temperature Calibration

Calibration Loop Purpose

Explains that the Calibration Loop is used to calibrate the RTD high and low temperature sensors.

Calibration Procedure

Outlines the process of calibrating using a reference thermometer, adjusting setpoints, and entering readings in the Calibration Loop.

Calibration Loop Details

Sensor Calibration Steps

Details the steps for calibrating internal (rtd1) and remote (rtd2) sensors, including high and low temperature points.

Saving Calibration Data

Troubleshooting and Support

Troubleshooting Checklist

Provides a checklist for common issues like unit not starting, loss of cooling capacity, no external circulation, and poor temperature control.

Technical Support Contact

Advises on contacting the Customer Service Department for unresolved issues and lists required information like part and serial number.

NEScom Software and RS232 Communication

NEScom Software Features