CAREL PGD1 I USER INTERFACE DISPLAY UNIT PGD 1000100 A00155898 REV 1.023 17:26

BRAND: CAREL
MODEL: PGD1 I
MPN:  PGD 1000100
USER INTERFACE
DISPLAY UNIT
A00155898 REV
MADE IN ITALY

The CAREL PGD1 is a compact and versatile user interface designed primarily for the supervision and configuration of CAREL refrigeration, air conditioning, and heating controllers. It serves as the primary communication point between the user and the sophisticated control system.

Product Identification (Based on your code):

• Model: PGD1

• Full Part Number: PGD 1000100

• Serial Number / Lot Code: A00155898

• Software/Firmware Revision: 1.023

Key Features and Functions

1. Intuitive Alphanumeric Display:

   • Features a backlit LCD screen capable of displaying text and numerical values clearly.

   • Allows for easy reading of setpoints, actual values (like temperature, pressure, humidity), and system status messages.

2. Simple Navigation:

   • Equipped with tactile buttons (typically Up, Down, Enter, Escape/Mode) for scrolling through menus, adjusting parameters, and acknowledging alarms.

3. Real-Time Monitoring:

   • Provides a real-time view of the system’s operating conditions.

   • Displays critical parameters such as:

     • Suction & Discharge Pressure/Temperature

     • Evaporating & Condensing Temperature

     • Room Temperature and Setpoint

     • System Status (Compressor ON/OFF, Alarm states, etc.)

4. Configuration and Tuning:

   • Allows authorized users (like installers or technicians) to access the controller’s full parameter set.

   • Used to configure setpoints, differentials, delay times, compressor curves, and other application-specific settings to optimize system performance.

5. Alarm Management:

   • Visually displays active alarms and fault codes when a problem is detected by the controller.

   • Provides a description of the alarm condition, aiding in rapid troubleshooting and diagnosis.

   • Allows users to acknowledge and reset alarms (where permitted).

6. Data Logging (Dependent on Master Controller):

   • When connected to a compatible CAREL controller (like the pCO series), it can often be used to view historical data and event logs, which is crucial for maintenance and diagnostics.

Technical Specifications (General)

• Communication Protocol: Typically communicates with the master controller via a serial bus (e.g., CAREL’s own protocol, Modbus, or others).

• Power Supply: Usually powered directly from the master controller it is connected to (e.g., 12-24V DC).

• Enclosure: Designed for panel mounting. The housing is typically made of plastic and is rated for the electrical environments of commercial HVAC/R applications.

• Compatibility: Primarily designed to work seamlessly with CAREL’s family of digital controllers, such as the pCO series (pCO5, pCO3, etc.), cPRO, and others. It is essential to verify compatibility with the specific master controller.