How to Install Honeywell W7220 HVAC Controls with MicroMetl Products | MicroMetl Installation Guide

Welcome to MicroMetl’s HVAC installation series! In this video, we walk you through the complete installation of Honeywell’s W7220 Jade controller for rooftop unit economizer setups.

This guide is created for trained HVAC technicians, providing all the wiring, sensor setup, and programming steps you need for a seamless control install.

⚠️ Safety Reminder: This video is intended for certified professionals only. HVAC units operate at high voltage and can be extremely dangerous if mishandled.

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What You’ll Learn in This Video:
What comes in the Honeywell controls kit

- How to wire the PL6 plug and actuator

- Proper sensor selection and installation (enthalpy vs dry bulb)

- Where to mount the Jade W7220 controller

- How to connect mixed air and outside air sensors

- Basic programming using the Honeywell interface

Using Honeywell’s W7220 Jade controller for economizer automation brings modern efficiency to any rooftop HVAC system. Whether you’re managing a retail space, office building, or industrial plant, this method:

✅ Optimizes outside air intake with precise sensors
✅ Enhances energy efficiency and comfort control
✅ Supports automation and compliance with ASHRAE standards
✅ Reduces long-term service costs through accurate setup

It’s a scalable solution that works across verticals and HVAC environments.

⏱️ Timestamps:

0:00 – Intro & Safety Disclaimer
0:40 – Unpacking the Honeywell HVAC Controls Kit
1:00 – Locating the 12-Pin Jumper Plug
1:15 – Connecting PL6 to Actuator and Harness
1:24 – Installing Sensors (Dry Bulb vs Enthalpy)
2:00 – Mounting the Honeywell Controller
2:20 – Wiring to the Unit Control Board
3:34 – Installing the Mixed Air Sensor
4:03 – Making Final Wire Connections
4:12 – Powering On and Programming W7220
4:51 – Support Resources & Final Tips

🛠️ Step-by-Step Breakdown:

Step 1: Unpack and Prepare Components
Identify Honeywell controller, harnesses, sensors, and jumper plug
Make sure the correct sensor type (dry bulb or enthalpy) is included

Step 2: Connect the PL6 Plug and Mount Sensors
Attach PL6 to the actuator and harness
Mount the selected sensor under the economizer’s bushing
Wire gray wires for enthalpy, violet/pink for dry bulb

Step 3: Install the Controller and Finalize Wiring
Mount the W7220 near the existing unit control board
Route and connect sensor wires: orange, brown, violet, and pink
Install a mixed air sensor on the blower edge and wire to the harness
Power on, navigate menus using the arrow and enter buttons
Follow the provided manual to program the W7220 controller

Correctly installing and programming the Honeywell W7220 Jade controller ensures better air quality, energy efficiency, and system performance.

💡 Need help? Refer to your installation manual or contact MicroMetl technical support.
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🌐 Visit www.micrometl.com for documentation and product support.