Pfannenberg DTI 6X1E Series - User Manual

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Betriebsanleitung

Anbau-und Einbau-Kühlgeräte

Serie DTS und DTI 6X1E

Premium Controller X-Series (XC) – 230 V

Version 1.0, Juli 2017

Table of Contents

Questions and Answers

D
Donald GarciaAug 4, 2025
What to do if Pfannenberg DTI 6X1E Air Conditioner does not cool sufficiently?
- B
  Brenda PerezAug 4, 2025
  If your Pfannenberg Air Conditioner isn't cooling enough, several factors could be at play. First, verify that you are within the operating limits by checking the ambient temperature and internal load. A dirty heat exchanger can also reduce cooling efficiency, so ensure it is clean. Insufficient coolant may be the problem, in which case you should call authorized qualified personnel to check the unit for leakage. Check the installation and the path of air circulating in the switchgear cabinet. Also ensure that the supply and outlet flow of air of the cooling unit to the inlet and outlet opening of the switch cabinet.
H
Hector LawrenceAug 13, 2025
What to do if condensate accumulates in the switch cabinet of Pfannenberg DTI 6X1E?
- C
  Colin MooreAug 14, 2025
  If condensate accumulates in the switch cabinet of your Pfannenberg Air Conditioner, it could be due to a few reasons. Ensure that the cabinet door is closed to prevent high exhaust temperatures. Also, check the temperature setting. The switch cabinet might not be properly sealed, so inspect and correct any leaky points or seals.
C
Cesar SanchezAug 23, 2025
What to do if condensate does not drain from Pfannenberg DTI 6X1E Air Conditioner?
- N
  Nicholas McmillanAug 25, 2025
  If condensate is not draining from your Pfannenberg Air Conditioner, the condensate drain might be plugged up; clean the condensate drain. Also, check whether the condensate drain hose is free from kinks and is installed with a downward slope.

Summary

Preface

Safety Instructions and Markings

Details safety warnings and symbols used in the manual for hazard identification and user safety.

2 Unit Description

2.4 Functional Description

2.4.1 Air Flow Functional Principle

2.4.2 Controller Overview

Details the X-Series (XC) Premium Controller, its panel, and display functions.

2.4.3 Refrigerant Circuit Operation

2.4.4 Unit Safety Features

Outlines the safety features and protective measures implemented in the cooling units.

2.6 Technical Specifications

2.6.1 Refrigeration Specifications

2.6.2 Electrical Specifications

3 Assembly and Initial Commissioning

3.4 Unit Assembly Procedure

Step-by-step instructions for assembling and installing the cooling units.

3.4.1 General Assembly Guidelines

3.4.3 DTS Side Attachment Assembly

3.4.4 DTI Unit Installation

3.5 Electrical Connections

Details on connecting the cooling unit to power and control systems.

3.5.1 Controller Circuit Diagram

Provides the electrical schematic for the controller and unit connections.

3.5.2 Door Contact Switch Installation

3.5.3 Mains Power Connection

3.5.4 Modbus RTU Interface Connection

4 Operation

4.1 General Operational Functions

4.2 Operating the Controller

Instructions on using the control panel and interface of the X-Series controller.

4.3 Controller Menu Settings

Step-by-step guide for configuring unit settings via the controller menus.

4.4 Cooling Unit Operation Modes

Describes the normal operating sequence and behavior of the cooling unit.

4.5 Service Interface Usage

Information on using the service interface for parameter changes and data exchange.

4.6 Error Code Reference

Lists and explains error codes, their causes, and corrective measures.

4.7 LCD Display Error Codes

5 Service and Maintenance

5.1 General Unit Cleaning

5.2 Unit Cover Removal and Cleaning

5.3 Filter Mat and Unit Cleaning

5.4 Routine Maintenance Procedures

Details recommended maintenance procedures and intervals for unit longevity.

5.5 Maintenance Checklist

A template for recording and tracking routine maintenance tasks.

5.6 Unit Decommissioning and Disposal

Instructions for safely decommissioning and disposing of the cooling unit.

6 Troubleshooting

Troubleshooting: Unit Not Cooling

Addresses issues where the unit fails to cool or cools insufficiently.

Troubleshooting: Condensate Accumulation

Troubleshooting: Condensate Drain Issues

Troubleshooting: Condensate Leaks

Pfannenberg DTI 6X1E Series Specifications

General

Brand	Pfannenberg
Model	DTI 6X1E Series
Category	Air Conditioner
Language	English

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