Carel PJEZS0H100 Temperature Controller User Manual

1. Introduction

This manual provides essential information for the proper installation, operation, and maintenance of the Carel PJEZS0H100 Temperature Controller. This digital temperature controller is designed for use in medium or low-temperature ventilated refrigerating units. It accurately senses air temperature and adjusts cooling cycles to maintain desired temperatures efficiently.

The device features two NTC probe inputs: one for temperature control and a second for evaporator temperature (if needed) to manage defrost termination and fan operation. It also includes a configurable digital input. This controller operates at 120V.

2. Consignes de sécurité

Please read all safety instructions before installation and operation.

• AVERTISSEMENT: Coupez l'alimentation électrique avant toute installation ou intervention afin d'éviter tout risque d'électrocution.
• L'installation doit être effectuée uniquement par du personnel qualifié.
• Assurez-vous que l'alimentation électrique corresponde à la tension du contrôleur.tage valeur nominale (120V).
• N’exposez pas le contrôleur à l’eau ou à une humidité excessive.
• Confirm the part number before ordering and installation to ensure compatibility.

3. Contenu de la boîte

The Carel PJEZS0H100 Temperature Controller package includes the following components:

• Carel PJEZS0H100 Digital Temperature Controller
• Air Temperature / Cabinet Temperature Sensor (NTC probe)
• Evaporator Temperature Sensor (NTC probe, if needed for specific applications)
• Mounting Hardware (Clips, Terminals, Bezel)
• Manuel d'instructions (ce document)

Image 1: Contents of the Carel PJEZS0H100 Temperature Controller package, including the controller, two temperature sensors, mounting clips, and the instruction manual.

4. Configuration et installation

This section outlines the general steps for installing the Carel PJEZS0H100 Temperature Controller. For detailed wiring diagrams and specific application requirements, refer to the label on the device and consult a qualified technician.

4.1 Montage du contrôleur

1. Prepare an opening in the control panel suitable for the controller's dimensions.
2. Insérez la manette dans l'ouverture par l'avant.
3. Secure the controller using the provided mounting clips and bezel.

Illustration 2 : Avant view of the Carel PJEZS0H100 Temperature Controller, showing the display, power button, mute button, and set button.

4.2 Connexions de câblage

The controller is equipped with terminal blocks for electrical connections. Refer to the wiring diagram printed on the controller's label for precise connections. The controller operates on 120V.

• Connect the 120V power supply to the designated power terminals.
• Connect the air temperature NTC probe to the primary probe input. This probe senses the cabinet's internal temperature.
• If required, connect the evaporator NTC probe to the secondary probe input. This probe is used for defrost termination and fan management.
• Connect the refrigeration unit's compressor, fan, and defrost heater (if applicable) to the respective relay outputs as per the wiring diagram.
• Connect any configurable digital inputs as needed for specific functions (e.g., door switch).

Image 3 : Détail view of the Carel PJEZS0H100 Temperature Controller's rear label, showing the wiring diagram for power, probes, and relay outputs, along with product specifications.

5. Mode d'emploi

The Carel PJEZS0H100 controller features an LED display and several buttons for operation.

5.1 Mise sous/hors tension

Appuyez sur le Pouvoir button (usually marked with a circle and vertical line) to turn the controller on or off.

5.2 Viewing and Setting Temperature

1. À view the current setpoint, press the ENSEMBLE bouton brièvement.
2. To change the setpoint, press and hold the ENSEMBLE button for a few seconds until the display flashes.
3. Use the Up/Down arrow buttons (if present, or other navigation buttons) to adjust the temperature.
4. Presse ENSEMBLE à nouveau pour confirmer le nouveau point de consigne.

5.3 Cycle de dégivrage

The controller manages defrost cycles automatically based on programmed parameters. Manual defrost can typically be initiated by pressing and holding a specific button (often the defrost icon button) for a few seconds. Refer to the full manual for specific button functions.

5.4 Gestion des alarmes

If an alarm condition occurs, the controller's display will indicate an alarm code. Press the MUTE button to silence the audible alarm. Consult the troubleshooting section for alarm code interpretations.

6. Entretien

Un entretien régulier garantit des performances optimales et une longue durée de vie à votre régulateur de température.

• AVERTISSEMENT: Débranchez toujours l’alimentation avant d’effectuer toute opération de maintenance.
• Nettoyage: Clean the controller's display and casinNettoyez avec un chiffon doux et sec. N’utilisez pas de nettoyants abrasifs ni de solvants.
• Inspection par sonde : Periodically inspect the temperature probes for any signs of damage or corrosion. Ensure they are securely in place and providing accurate readings.
• Vérification du câblage : Annually, or as needed, check all wiring connections for tightness and integrity. Loose connections can lead to intermittent operation or failure.
• Mises à jour logicielles : Consult Carel's official resources for any available firmware updates, though these typically require specialized tools and expertise.

7. Dépannage

This section provides solutions to common issues you might encounter with your Carel PJEZS0H100 Temperature Controller.

If you are unable to resolve an issue, contact a qualified refrigeration technician for assistance.

8. Spécifications

9. Garantie et assistance

Specific warranty information for this product is not provided in the available data. Please refer to the retailer's or manufacturer's webConsultez le site pour connaître les conditions générales de garantie détaillées.

For technical support or further assistance, it is recommended to contact the vendor or a qualified refrigeration technician.