W7220A1000
W7200 Series • HVAC Controller
Quick Info
Output Functions
Microprocessor economizer controller
Technical Specifications
Display & Interface
| Display Type | LED |
| Display Digits | 4 |
| Buttons | 4 |
| LED Indicators | Power, Econ, Fault |
Power Supply
| Voltage | 24V AC |
| Voltage Range | 18-30V AC |
| Frequency | 50/60Hz |
| Power Consumption | 8VA |
Sensor Inputs
| Probe Inputs | 3 |
| Probe Type | NTC 10K / 0-10V |
| Temp Range | -40 to 65°C |
| Accuracy | ±0.5°C |
Relay Outputs
| Relay Outputs | 3 |
| Relay Rating | 3A/24VAC |
Physical
| Panel Size | DIN Rail mm |
| Depth | 75 mm |
| IP Rating | IP20 |
| Weight | 280 g |
Operating Conditions
| Operating Temp | -40 to 65°C |
| Storage Temp | -40 to 75°C |
Wiring Terminals
| Terminal | Function | Type | Wire Color |
|---|---|---|---|
| R | 24V Hot | Input |
red
|
| C | 24V Common | Input |
blue
|
| OA | Outside Air Sensor | Input |
green
|
| MA | Mixed Air Sensor | Input |
yellow
|
| RA | Return Air Sensor | Input |
orange
|
| M | Damper Motor | Output |
black
|
| Y | Cool Call | Input |
yellow
|
Important: Always disconnect power before wiring. Verify terminal numbers with the actual controller label before connecting.
Parameter Settings
| Code | Parameter | Range | Default | Description |
|---|---|---|---|---|
| OAT | Economizer Enable | 35 to 75 | 70 °F | Max OA temp for econ |
| MAT | Min Mixed Air | 40 to 65 | 55 °F | Freeze protection |
| MIN | Min Position | 0 to 50 | 20 % | Min damper position |
| ENT | Enthalpy | 0=Off, 1=On | 0 | Enthalpy control enable |
Error Codes
Solution: Check outside air sensor
Solution: Check mixed air sensor
Solution: Check return air sensor
Solution: Mixed air too cold
Frequently Asked Questions
Uses outside air for free cooling when conditions allow
Enthalpy considers humidity, more energy efficient
Alternative Models (Cross Reference)
Manufacturer Information
Brand: Honeywell
Country: USA