International Comfort Products N4A3 Split System Air Conditioner Service Manual

About this manual

The Technical Support Manual provides safety warnings, model identification, refrigerant guidelines, wiring diagrams, charging charts and parts information for the N4A3 split system air conditioner. It is intended for qualified service technicians and must be used in accordance with local building codes and the National Electrical Code.

The manual includes model‑specific data such as capacity ranges, voltage requirements, SEER ratings, and detailed performance charts for various indoor and outdoor configurations. It also lists required service components like liquid line filter‑driers and outlines proper installation and maintenance procedures.

What's inside

• Safety Warnings and Signal Words
• Model Number Identification
• R‑410A Quick Reference Guide
• Wiring Diagram – Connection
• Wiring Diagram – Schematic
• Charging Chart
• Tech Labels (Expanded Data)
• Condenser Only Data
• Parts List
• Exploded Drawings

Specifications

Frequently asked questions

What refrigerant is used in the N4A3 split system air conditioner?

The unit uses R‑410A refrigerant.

What voltage should be supplied to the unit?

The unit is designed for 208/230 V service.

What safety signal words are defined in the manual?

The manual defines DANGER, WARNING, CAUTION and NOTE as signal words.