Johnson Controls AS-UNT220-1 — Unitary Controller

Part number	AS-UNT220-1
Brand	Johnson Controls
Category	Controller
Description	Unitary Controller
Manufacturer	Johnson Controls
Product Type	Unitary Controller
Product Line	Metasys AS
Part Number	AS-UNT220-1
Weight	3.13 lbs (1.42 kg)
Hardware Version	York-branded equivalent of the AS-UNT120-1
IP Rating	IP20
Mounting Type	Surface mount or DIN rail
Input Voltage	24 VAC
Minimum Frequency	50 Hz
Maximum Frequency	60 Hz
Power Consumption	10 VA
Binary Outputs	8 Outputs
Binary Inputs	4 Inputs
Minimum Operating Temperature	-5°C
Maximum Operating Temperature	55°C
Analog Inputs	6 Inputs

The AS-UNT220-1 from Johnson Controls is a unitary controller designed for reliable performance in HVAC applications. It operates at an input voltage of 24 VAC and supports a variety of functional configurations.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.