Johnson Controls
P72AA-1C
Penn P72 Series • Refrigeration Controller
Quick Info
Type
Refrigeration
Application
Dual Pressure Control
Probe Inputs
2
Relay Outputs
1
Panel Size
- mm
High-low pressure control for refrigeration compressor protection
Technical Specifications
Display & Interface
| Display Type | None (mechanical) |
| Display Digits | - |
| Buttons | 0 |
Power Supply
| Voltage | None (mechanical) |
| Frequency | - |
Sensor Inputs
| Probe Inputs | 2 |
| Probe Type | Pressure (dual bellows) |
| Temp Range | -°C |
Relay Outputs
| Relay Outputs | 1 |
| Relay Rating | 10A/120VAC, 5A/240VAC |
Physical
| Panel Size | - mm |
| Depth | - mm |
| IP Rating | IP40 |
Operating Conditions
| Operating Temp | -40 to 65°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| Line (through switch) | Output |
relay
|
|
| Load | Output |
relay
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| LP-CUT-IN | LP Cut-in | 0.5~4 bar | 2.5 bar | |
| LP-DIFF | LP Differential | 0.35~3.5 bar | 0.7 bar | |
| HP-CUT-OUT | HP Cut-out | 8~28 bar | 25 bar |
Frequently Asked Questions
Alternative Models (Cross Reference)
Danfoss KP15
Ranco O12
Manufacturer Information
Brand: Johnson Controls
Country: USA