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Ecojay Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for Ecojay products.

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Ecojay manuals

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Ecojay SmartZone Zoning System Installation and Operation Guide

Installation and Operation Manual

Comprehensive installation and operation manual for the ecojay SmartZone HVAC zoning system (models ZS4X-2.0, ZS2X-2.0). Covers setup, wiring, configuration, advanced features, and troubleshooting for multi-zone climate control.

Ecojay manuals from online retailers

ECOJAY SmartZone-2 Single-Stage 2-Zone Controller Kit Instruction Manual

SmartZone-2 • March 25, 2026

Instruction manual for the ECOJAY SmartZone-2 Single-Stage 2-Zone Controller Kit, covering setup, operation, maintenance, troubleshooting, and specifications for HVAC zone control.

ECOJAY SmartZone-4X Control 4-Zone Controller User Manual ZS4X-2.0

ZS4X-2.0 • November 14, 2025

Comprehensive user manual for the ECOJAY SmartZone-4X Control 4-zone HVAC controller, including installation, operation, troubleshooting, and specifications for model ZS4X-2.0.

SmartZone-2X: 2 Zone HVAC Controller Kit w/ Temp Sensor; Dual Climate Control to Replace Honeywell, EWC, Zonefirst, Zonex, Durozone & More

ZS4X-2.0 • August 5, 2025

The ECOJAY SmartZone-2X is a 2-zone HVAC controller kit designed for dual climate control, compatible with various systems including single or multi-stage setups. It features a supply temperature…