Subzero PIC 3140
PiC-3140 Three-Component Chiller Controller (Display + Relay + CT Board)
Advanced multi-relay chiller controller for industrial cooling systems, featuring three independent compressor outputs, CT monitoring, alarms, and touch-key display.
The PiC-3140 is an advanced three-component chiller controller designed for industrial cooling systems requiring multi-compressor logic, safety interlocks, current monitoring, and high reliability. This controller set includes a touch-key display module, relay output board, and CT board for compressor load supervision.
Key Features
Three independent compressor relay outputs
Touch-key operated front display unit
CT-based compressor current monitoring
High/Low temperature alarm & compressor trip logic
Built-in delay timers for compressor protection
Separate relay board and CT Board for field wiring
Panel-mount display with LED indication
Energy-efficient compressor staging
Suitable for chillers, AHUs, and process cooling systems
Wide supply voltage range
High reliability & industrial-grade design
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PiC-3140 |
| Display Unit Size | 96 × 64 × 48 mm |
| Relay Board | DIN-10, 110 × 175 × 60 mm |
| CT Board | 73 × 80 mm |
| Panel Cutout | 91 × 45.5 mm |
| Operating Voltage | 230V AC |
| Control Type | Multi-stage compressor control |
| Number of Relay Outputs | 3 Compressors |
| Sensor Input | Temperature + CT current input |
| CT Rating | As per board design |
| Protection | Overload trip, delay timer, sensor fault |
| Interface | Touch the keypad. |
| Indications | LEDs for compressor status, alarms, and trips |
| Application | Industrial chillers, AHUs, cooling plants |
| Mounting | Panel Mount (Display), DIN-Rail (Relay & CT board) |
Applications
Industrial chillers
Process coolers
HVAC systems
Water-cooled/air-cooled chillers
Plastic molding machines
Industrial cooling equipment
Multi-compressor chiller panels
AHU control units
What’s in the Box
PiC-3140 Display Unit
Relay Board (DIN-10)
CT Board
Connector Set
User Manual
FAQ
Q1: How many compressors can the PiC-3140 control?
It supports three independent compressor outputs.
Q2: Is the CT board included?
Yes, the standard PiC-3140 set includes a display, a relay, and a CT board.
Q3: Can this controller be used for industrial chillers?
Yes, it is specifically designed for industrial & process chillers.
Q4: Does it support overload protection?
Yes. The CT board provides compressor current monitoring & trip logic.
Q5: Is the display touch-operated?
Yes, the module includes a touch-key interface.
Q6: How is wiring managed?
The display is panel-mounted; the relay & CT boards are DIN-rail mounted for easy panel wiring.