Julabo F33-MC User Manual

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19510351_a.doc Druck: 17.03.09

English

Operating

manual

Refrigerated and Heating Circulators

F12-MC F25-MC F26-MC

F32-MC F33-MC F34-MC

FP35-MC FP40-MC FP50-MC

FPW50-MC

Innovative Temperature Technology

JULABO Labortechnik GmbH

77960 Seelbach / Germany

 +49 (0) 7823 / 51-0

 +49 (0) 7823 / 24 91

| info@julabo.de

Þ www.julabo.de

1.951.0351BE4 02/09

Table of Contents

Questions and Answers:

J
Jennifer YoungAug 9, 2025
What to do if the Julabo F33-MC cooling compressor has overload protection?
- S
  Sally JohnsonAug 9, 2025
  If the cooling compressor has overload protection, it could be due to several reasons: poor air circulation, small distance to walls, dirt accumulated on condenser, high ambient temperature, or frequent on/off cycles. To resolve this, ensure proper air circulation, increase the distance to walls, clean the condenser, reduce the ambient temperature, and avoid short switch-off intervals.
R
Robin RodriguezAug 14, 2025
What to do if Julabo Air Conditioner shows a warning without a complete shutdown?
- M
  Michael BowmanAug 14, 2025
  If the Julabo Air Conditioner shows a warning without a complete shutdown, it could be due to several reasons. The circulator may be operating without enough bath fluid, a tube breakage may have occurred, or the float may be defective. Replenish the bath tank with the bath fluid. If there was tube breakage, replace the tubing and replenish the bath tank with the bath fluid. If the float is defect, it should be repaired by authorized JULABO service personnel. Also, reconnect the cable or eliminate the short-circuit.
A
Andrea TaylorAug 21, 2025
What to do if my Julabo Air Conditioner's early warning system signals a critical fluid level?
- L
  Laura StephensAug 21, 2025
  If the early warning system for low level signals a critical fluid level, replenish the bath tank with the bath fluid.
L
Laura ParkerAug 27, 2025
What to do if Julabo F33-MC shows excess temperature alarm with a complete shutdown?
- D
  dianebuchananAug 27, 2025
  If there is an excess temperature alarm with a complete shutdown of the main functional elements, clean the air-cooled condenser.
A
Ashley HerreraSep 1, 2025
What to do if Julabo F33-MC displays special message 'CONFIGURATION ERROR'?
- L
  Lynn BaldwinSep 1, 2025
  If the Julabo Air Conditioner displays the message 'CONFIGURATION ERROR', press enter to automatically perform a single modification of the configuration.

Julabo F33-MC Specifications

General

Brand	Julabo
Model	F33-MC
Category	Air Conditioner
Language	English

Summary

Operating Manual

Operator Responsibility and Safety Recommendations

Technical Specifications

Detailed technical data for various JULABO circulator models.

Operating Procedures

Power Connection

Switching On / Start - Stop

How to power on, start, and stop the circulator unit.

Automatic / Non-automatic Start Mode

Configuration of the circulator's start mode after power loss.

Setting the Temperatures

Safety Installations, Warning Functions

Excess Temperature Protection

Configuration of the excess temperature safety shutdown.

Early Warning System, Low Level Protection

Functionality of the low liquid level warning and protection.

High and Low Temperature Warning Functions

Setting and behavior of high and low temperature warnings.

Limitation of the Operating Temperature Range

Setting limits for the permissible operating temperature range.

Change-over of the Warning Function to Shutdown Function

Configuring warnings to trigger automatic shutdown.

Menu Functions

ATC Absolute Temperature Calibration

Procedure for calibrating temperature accuracy using ATC.

Remote Control: Activate - Deactivate

Enabling or disabling remote control via the serial interface.

Interface - Baud Rate, Handshake, Parity

Setting communication parameters for PC connection.

Control Parameters – Xp, Tv, Tn

Troubleshooting Guide / Error Messages

Remote Control

Setup for Remote Control

Communication with a PC or a Superordinated Data System

List of Commands

JULABO Service – Online Remote Diagnosis

Cleaning / Repairing the Unit

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