Islandaire EZ09 - User Manual

EZ Series GS
Direct Vent Gas-Fired PTAC
Perfect t for replacing existing gas heat PTAC units and for new
construction projects
Engineering Manual
MANUFACTURER OF QUALITY AIR CONDITIONING AND HEATING PRODUCTS
6140212 Rev. 071221
WARNING
If the information in these instructions is not followed
exactly, a re or explosion may result causing property
damage, personal injury, or loss of life.
Do not store or use gasoline or other ammable vapors and
liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
•Do not try to light any appliance.
•Do not touch any electrical switch; do not use any phone
in your building.
•Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas supplier, call the re
department.
Installation and service must be performed by a qualied
installer, service agency, or the gas supplier.
INSTALLER:
Leave this
manual with the
appliance.
CONSUMER:
Retain this
manual for future
reference.
Attention: This heater may be installed in the U.S. and Canada.

Summary

Engineering Manual

Warning Section

Critical safety warning regarding gas leaks and fire hazards.

Applications

Design Flexibility for Architects

Occupant Comfort and Cost Savings

Benefits for occupants regarding energy efficiency and comfort.

Retrofit and Replacement Advantages

Ease of fitting Islandaire units into existing wall sleeves.

Product Overview (EZGS)

Quiet Operation Features

Durable Construction Details

Seacoast Construction Features

Product Features and Benefits

Efficiency and Performance Aspects

Energy efficiency ratings and coil performance.

Standard Chassis Features and Benefits

Slide Out Chassis Design

Ordering Data

Model Nomenclature Breakdown

Explanation of the model number configuration for ordering.

Performance Data

Cooling Performance Specifications

Detailed cooling performance data, including BTUH, AMPS, and EER by model.

Heating Performance Specifications

Detailed heating performance data, including BTUH, WATTS, and efficiency by model.

Electrical Specifications

Minimum Operational Clearances

Outdoor Clearances

Required clearances around the rear and sides of the unit outdoors.

Indoor Clearances

Required clearances around the front and sides of the unit indoors.

Clearances to Combustible Construction

Installation Instructions

Unit Specifications and Electrical Rating

Installation Safety Precautions

Critical safety precautions for qualified personnel and operation.

Sidewall Venting Requirements

US Sidewall Venting Rules

Clearance and positioning rules for vent terminals in the US.

Canadian Sidewall Venting Exceptions

Specific venting rules and exceptions for Canada.

Wall Sleeve Installation Instructions

Framing and Wall Opening Preparation

Requirements for framing and preparing the wall opening.

Sleeve Installation Methods

Instructions for block walls and panel/window walls.

Rear Grille Installation Instructions

Stamped Rear Grille Installation

Architectural Rear Grille Installation

Subbase Assembly & Installation

Electrical Subbase Assembly and Selection

Subbase Installation Notes

Chassis Installation

Sliding Chassis into Wall Sleeve

Procedure for inserting the chassis into the wall sleeve.

Sealing and Securing Chassis

Gas Connections

Gas Supply Connection and Piping

Connecting the gas supply and sizing considerations.

Gas Supply Pressure Requirements

Maintenance

Air Filter Cleaning and Replacement

Procedure for cleaning and replacing the air intake filter.

Routine Maintenance Tasks

Lighting, Operating & Shut Down

Safety During Operation

Crucial safety precautions for unit operation.

Lighting and Operating Instructions

Steps for initiating heating operation and general use.

Unit Shut Down Procedure

How to properly shut down the unit for extended periods.

Wiring Diagrams

Base Model Wiring Diagram

Schematic showing electrical connections for the base model.

Remote Thermostat System Wiring

Wiring for optional remote thermostat systems.

System Controls and Management

Remote Control Operation

Digital Control Panel Features

Remote Thermostat Interface

Interface Terminal Block Overview

Thermostat Terminal Wiring Options

Temperature Limiting

Setting Heating and Cooling Limits

Error Codes

Control Panel Display Diagnostics

How sensors monitor conditions and display error codes.

Diagnostic Error Code Table

Table listing error codes, diagnoses, causes, and notes.

Performance Specifications

Part I: Unit Specifications

Part II: System Description and Quality

Typical Warranty

Warranty Coverage and Terms

Owner Responsibilities for Warranty

Islandaire EZ09 Specifications

General

Brand	Islandaire
Model	EZ09
Category	Gas Heater
Language	English