Optimizes setups where compressors have different cooling capacities, engaging the most efficient combination to match the load. 2. Inverter and Digital Scroll Integration
features a robust physical design and a wide range of I/O capabilities tailored for demanding refrigeration applications:
Sets the rotation logic (First In, First Out vs. runtime balancing), minimum on/off times, and unloader delays.
: It can control multiple compressors of varying capacities, including reciprocating types with stepped-capacities (partializations).
Set the Lower and Higher setpoint limits to maintain safe operating pressures. eliwell ewcm 900 s
is its capability to handle complex compressor rack configurations, helping balance component runtime and energy use. 1. Compressor Configurations
: Equipped with 11 configurable relay outputs (6A 250V AC) used to manage various stages of compressors and fans.
: Features a dedicated hardware safety relay (Terminals 3 and 4) that automatically opens to trigger backup emergency machinery if the primary controller experiences an internal failure. Comprehensive Input / Output Matrix
While newer controllers like the Eliwell EWCM 9000 (with Bluetooth app integration) exist, the remains the "workhorse" of the industry. Its simplicity—no confusing touch screens, no Wi-Fi dropouts—is its strength. is its capability to handle complex compressor rack
и введение рабочих данных может быть запрограммировано в Bar/PSI, °C или °F c двойным дисплеем. Контроллеры Eliwell EWCM 900/S rel. 5/2000 ing compressors and fans manager
Eliwell EWCM 900/S a specialized series of controllers designed to manage the machine rooms of refrigeration systems . It acts as a comprehensive manager for both compressors (single units, multi-stage, or varying capacities) and condenser fans Eliwell France Key Features and Capabilities Comprehensive Load Management : Features up to 11 relay outputs that can be configured to control compressors and fans. Sensor Versatility : Supports both NTC temperature probes 4…20 mA pressure transducers for monitoring suction and condensing sections. Operational Efficiency Rotating Logic
Manages controlled staggered restarts after a power failure, preventing massive electrical current spikes on the facility's grid. 6. Technical Specifications (Summary Table)
is its ability to handle complex configurations. It can simultaneously manage: Compressors no Wi-Fi dropouts—is its strength.
: Pre-configured with conversion charts for standard refrigerants including R22, R134A, R502, R404A, R407, and R507. Operational Features and Functionality
: Supports NTC temperature probes or 4…20 mA pressure transducers for both suction and head pressure monitoring.
The EWCM 900/S is packed with dedicated algorithms tailored for complex refrigeration setups. Its primary operational duties include: Compressor Management
The controller features built-in connectivity options, usually via an utilizing the industry-standard Modbus-RTU protocol. This enables the EWCM 900/S to interface natively with: