Carel IR33E9HR20 User Manual

Integrated Control Solutions & Energy Savings
ir33 Universale
User manual
electronic control

Carel IR33E9HR20 Specifications

General

Power Consumption	4 VA max
Output Type	Relay
Protection Degree	IP20
Dimensions	74 x 32 x 60 mm
Buzzer	Yes
Analogue Inputs	2
Output Rating	8(3) A 250 Vac
Operating Temperature	-10 to 55 °C
Storage Temperature	-20°C to +70°C
Relative Humidity	non-condensing
Serial Port	TTL

Summary

WARNINGS

1. INTRODUCTION

1.2 Functions and main characteristics

Details the controller's operation modes and key features.

2. INSTALLATION

2.1 IR33: panel mounting and dimensions

Provides dimensions and mounting instructions for IR33 panel installation.

2.2 DIN rail mounting and dimensions

Details dimensions and mounting for DN33 DIN rail installation.

2.3 IR33/DN33 with temperature inputs - wiring diagrams

Shows wiring diagrams for IR33/DN33 models with temperature inputs.

2.4 IR33/DN33 Universale with universal inputs – wiring diagrams

Provides wiring diagrams for IR33/DN33 models with universal inputs.

2.5 IR33/DN33 Universale with universal inputs - probe connections

Illustrates probe connection methods for universal input models.

2.6 Connection diagrams

Details electrical connection diagrams for modules and controllers.

2.7 Installation

Provides important warnings and guidelines for safe and correct installation.

2.8 Programming key

3. USER INTERFACE

3.1 Display

3.2 Keypad

3.3 Programming

Explains how to set parameters for set points, P-type, and C-type.

3.4.10 Auto-Tuning activation

3.4.12 Calibrating the probes

4. COMMISSIONING

4.1 Configuration

Covers initial controller configuration settings.

5. FUNCTIONS

5.2 Probes (analogue inputs)

5.2.1 Second probe (parameter c19)

5.3 Standard operating modes (parameters St1,St2,c0,P1,P2,P3)

Explains the controller's standard operating modes and parameters.

5.5 Selecting the special operating mode

5.6 Special operating modes

Describes advanced operating modes defined by special parameters.

5.8 Outputs and inputs

Details the functions and parameters of controller outputs and inputs.

6. CONTROL

6.1 Type of control (parameter c32)

Explains how to select the control type: ON/OFF or PID.

6.2 ti_PID, td_PID (parameters c62,d62,d63)

Details PID parameters for tuning the control loop.

6.3 Auto-Tuning (parameter c64)

Guides on activating and using the Auto-Tuning function for PID optimization.

6.5 Operation with probe 2

Explains various operations enabled by using a second probe.

6.5.1 Differential operation (parameter c19=1)

6.5.2 Compensation

Explains compensation function modifying set point based on probe 2.

6.5.3 Compensation in cooling (parameter c19=2)

6.5.4 Compensation in heating (parameter c19=3)

6.5.5 Continuous compensation (parameter c19=4)

6.5.6 Enable logic on absolute set point & differential set point (parameter c19=5,6)

6.5.7 Independent operation (circuit 1+circuit 2) (parameter c19=7)

6.5.8 Control on higher/lower probe value (parameter c19=8/9)

6.5.9 Control set point set from probe 2 (parameter c19=10)

6.5.10 Heat/cool changeover from probe B2 (parameter c19=11)

7. TABLE OF PARAMETERS

8. ALARMS

8.4 Alarm parameters

Covers parameters that define alarm behavior and output status.

8.5 Table of alarms

Lists all alarms, their causes, display messages, and control actions.

8.6 Relationship between dependence parameter and alarm causes

Shows how 'Dependence' parameter links outputs to alarm conditions.

9. TECHNICAL SPECIFICATIONS AND PRODUCT CODES

9.1 Technical specifications

Lists detailed technical specifications for the controller.