ESC-100
ESC Series • Refrigeration Controller
Quick Info
Output Functions
Standalone superheat controller for electronic expansion valves
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 3 |
| Buttons | 4 |
| LED Indicators | EEV, Alarm |
Power Supply
| Voltage | 24V AC/DC |
| Voltage Range | 18-30V AC/DC |
| Frequency | 50/60Hz |
| Power Consumption | 6VA |
Sensor Inputs
| Probe Inputs | 2 |
| Probe Type | NTC / 4-20mA |
| Temp Range | -50 to 150 / 0-50 bar°C |
| Accuracy | ±0.3°C |
Relay Outputs
| Relay Outputs | 1 |
| Relay Rating | 5A/250VAC |
Physical
| Panel Size | 32x74 mm |
| Depth | 65 mm |
| IP Rating | IP65 (front) |
| Weight | 100 g |
Operating Conditions
| Operating Temp | -20 to 55°C |
| Storage Temp | -40 to 70°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| 1-2 | Power 24V | Input |
red/black
|
| 3-4 | Suction Temp | Input |
yellow/white
|
| 5-6 | Suction Press | Input |
green/black
|
| 7-8 | RS485 | Comm |
orange/yellow
|
| 9-10 | Alarm | Output |
gray
|
| A-D | EEV Motor | Output |
various
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| SH | Superheat SP | 2 to 20 | 8 K | Target superheat |
| Kp | P-gain | 0.5 to 10 | 2.5 | Proportional gain |
| Ki | I-time | 30 to 600 | 150 sec | Integral time |
| RF | Refrigerant | 0-15 | 4 | Refrigerant type |
| VT | Valve Type | 0=Stepper,1=PWM | 0 | Output type |
Error Codes
Solution: Check NTC
Solution: Check transducer
Solution: Check valve operation
Solution: Check EEV wiring
Frequently Asked Questions
R22, R134a, R404A, R407C, R410A, R507A, R290, R744, and more
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Emerson/Alco
Country: USA
Parent: Copeland (Emerson Climate Technologies)