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CI-2® 

Compact Auto-Cleaning NPBI System For Fan Coils, PTACs, And Ductless Systems

The CI-2 is an auto-cleaning, no-maintenance, needlepoint bipolar ionization system designed to fit where traditional air ionizers don‘t, including fan coils, heat pump PTACs, ductless mini splits, ceiling cassettes, ducted modules, and traditional split systems and air handlers up to 2,400 CFM.

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Air Cleaning Where In-Duct Isn't An Option

The CI-2 is designed for the HVAC applications where standard in-duct ionizers cannot fit: fan coil units, heat pump PTACs, ductless mini splits, ceiling cassettes, and small air handlers. Its low-profile form factor (4.2" x 1.1" x 2.6") and integrated mounting magnet allow installation in minutes, without ductwork modification.


With 24V AC/DC input and compatibility with the PS-2 multi-voltage power supply (110-277 VAC), the CI-2 works across virtually any electrical configuration in commercial and multifamily buildings. An automatic cleaning cycle eliminates maintenance needs, and built-in BAS alarm contacts provide facility teams with system status monitoring.


Certified to UL 2998 for zero ozone emissions and CARB compliant. Third-party tested. Part of GPS Air's needlepoint bipolar ionization (NPBI) portfolio, which includes 300,000+ systems installed worldwide.

Download The Data Sheet

Specifications & Resources

Performance

Ionizer Total Ion Output: >160M ions/cc

Airflow Capacity: 0–2,400 CFM or up to 6 tons

Dimensions

Unit Dimensions: 4.2"L × 1.1"W × 2.6"H

Unit Weight: 0.37 lbs

Electrical Specifications

Input Voltage (Standard): 24 VAC, 12–36 VDC

Input Voltage (Optional): 110–277 VAC – with PS-2 power supply

Power Consumption: 4 watts (standard operation), 7 watts (cleaning cycle)

Frequency: 50/60HZ

Electric Listings: UL, cUL

Alarm Contact Rating: 125 VAC / 300mA, N.O. "dry" contact

 

Compliance & Certifications

Compliance & Certifications: UL 867, UL 2998, UL 2043, CARB

Environmental Specifications

Temperature Range: –20° F to 140° F

Humidity Range: 0–100% RH

Resources

Data Sheet

Installation, Operations & Maintenance Manual

Start-Up Checklist

Installation Video

CI-2 FAQs

What HVAC systems is the CI-2 compatible with?

Fan coils, heat pump PTACs, ductless mini splits, ceiling cassettes, ducted modules, and air handlers up to 2,400 CFM.

Does the CI-2 require maintenance?

No. The CI-2 includes an automatic self-cleaning cycle that keeps emitter brushes clear without manual service.

What certifications does the CI-2 carry?

UL 867, UL 2998 (zero ozone), UL 2043, and CARB compliance.

Can the CI-2 connect to a building automation system (BAS)?

Yes. The CI-2 includes integral BAS alarm contacts rated at 125 VAC / 300mA (N.O. dry contact) for system status monitoring.

How does the CI-2 differ from the DM-2?

The CI-2 is designed for non-ducted or tight-space applications (fan coils, PTACs, mini splits) with a compact in-plenum form factor. The DM-2 is a round duct-mounted unit for circular duct installations.

What power supply does the CI-2 use?

Standard input is 24 VAC or 12-36 VDC. For line voltage installations, the PS-2 power supply (sold separately) supports 110-277 VAC multi-voltage input.