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Enertech EAV Series - User Manual

Enertech EAV Series
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Installation & Operations Manual
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
20D826-01NN
20D826-01NN

Table of Contents

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Summary

Unit Nomenclature

Model Nomenclature - EAV Series Unit

Defines EAV series unit model naming conventions.

Model Nomenclature - EME;EMD Series Unit

Defines EME/EMD series unit model naming conventions.

Installation Introduction

Inspection

Procedures for checking equipment upon receipt for damage or shortages.

Pre-Installation Steps

Key checks and actions before commencing unit installation.

Installation Considerations

Advantage Operating Envelope

Defines the heating and cooling operating ranges based on outdoor temp.

Refrigerant Circuit - Cooling Mode

Illustrates the refrigerant flow path during cooling operation.

Refrigerant Circuit - Heating Mode

Illustrates the refrigerant flow path during heating operation.

Unit Placement

Guidance on selecting an appropriate location for unit installation considering clearances.

Installation Area

Details minimum clearance requirements around the unit for installation and servicing.

Assembly

Instructions for placing and securing the outdoor unit, including snow stand recommendations.

Enertech Recommendations for All EAV Unit Applications

Provides specific recommendations for system component selection and setup.

Antifreeze

Notes the requirement for antifreeze and insulation for outdoor piping.

Dimensional and Physical Data

Outdoor Unit Weight and Dimensional Data

Provides physical dimensions and weight specifications for the outdoor unit.

Indoor Unit Weight and Dimensional Data

Provides physical dimensions and weight specifications for the indoor unit.

Hot Water Capacities‡ and Tank Dimensions

Details hot water capacities and Turbomax tank dimensions.

Electrical Data

EAV Outdoor Unit Electrical Data

Presents electrical specifications for the EAV outdoor unit, including voltage and fuses.

EME;EMD Indoor Module Electrical Data

Presents electrical specs for EME/EMD indoor modules, including immersion heater.

Unit Piping Installation

Pipe Connections

Guidelines for connecting pipes, including flex tubing and insulation requirements.

Preparation

Steps for ensuring the system is ready for filling and venting, including leak checks.

Filling and Venting the Hydronic System

Instructions for filling the system with water/antifreeze and removing air.

Load Piping Installation

Key considerations for sizing and installing load-side piping for optimal performance.

Piping Diagram - Indoor Module with Hydraulic Separator

Diagram showing recommended piping with a hydraulic separator.

Piping Diagram - Indoor Module with Buffer Tank

Diagram showing recommended piping with a buffer tank.

Pump Mounting

Best practices for mounting system pumps to ensure longevity and serviceability.

Flow Rates and Piping Sizing

Guidelines for determining appropriate pipe sizes and flow rates for hydronic systems.

Water Quality & Antifreeze

Load Side Antifreeze

Requirements for antifreeze in cooling mode to prevent freezing.

Flushing and Filling

Steps for flushing the system of air and debris and filling it with water/antifreeze.

Water Quality

Importance of water quality and specifications for hydronic systems.

Antifreeze Charging

Guidance on calculating and adding the correct amount of antifreeze for freeze protection.

Field Wiring

Electrical Connections

Essential requirements for safe and compliant electrical connections by qualified technicians.

Communication

How EAV units communicate with indoor modules/control modules via shielded cable.

Line Voltage Wiring

Details for connecting incoming line voltage to the EME/EMD module.

Wiring Diagram Selection

A chart to select appropriate wiring diagrams based on application and system type.

On-Board Controls

Outdoor Air Temperature (OAT)

Explains the role of outdoor temperature sensors in system operation and reset control.

Outdoor Control Box

Identifies key components within the outdoor unit's control box.

Startup Wizard

Guides the user through the initial system setup process for proper configuration.

Menu System

Navigating the touch-screen HMI menus for system settings and status.

Indoor Climate

Settings related to indoor temperature control, including Heat Economy and Aux Heat Delay.

Outdoor Reset

Enables automatic adjustment of heating fluid temperature based on outdoor conditions.

Pumps

Configuration of pump speed settings (min/max, Delta T) for optimal circulation.

Alarms

System monitoring and how to view fault details via the HMI.

Sequence of Operation

Step-by-step process of system operation from idle to shutdown.

Defrost Controls

Overview of defrost cycles (active, passive) and their triggers.

Wiring Diagrams

EAV Outdoor Unit Wiring Diagram

Comprehensive wiring diagram for the EAV outdoor unit.

EME Indoor Module Wiring Diagram (Electric Immersion Heater)

Wiring diagram for EME indoor module with electric heat.

EMD Indoor Module Wiring Diagram (Dual Fuel)

Wiring diagram for EMD indoor module with dual fuel capability.

Equipment Startup Form

Inspection of the Installation

A checklist for inspecting the installation before system commissioning.

Troubleshooting

Thermistor and Pressure Transducer Connections

Identifies sensor and transducer connection points on the control board.

Outdoor Unit LED Status

Explains the meaning of LED indicators on the outdoor unit's control board.

Indoor Unit LED Status

Explains the meaning of LED indicators on the indoor unit's control board.

Indoor, Outdoor, and Inverter Alarms Tables

Lists alarms for indoor, outdoor, and inverter units with causes and reset methods.

Warranty and Revision Table

Warranty Registration Form

Form for registering the product warranty and providing installation details.

Enertech EAV Series Specifications

General IconGeneral
RefrigerantR410A
SeriesEAV
TypeAir Source
Dimensions (Outdoor Unit)800 x 800 x 320 mm
Operating Temperature (Heating)-7°C to 24°C

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