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Direct Air PHRV User Manual

Direct Air PHRV
16 pages
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PHRV
Heat Recovery Ventilator
INSTALLATION, OPERATION AND MAINTENANCE MANUAL

Questions and Answers:

Direct Air PHRV Specifications

General IconGeneral
BrandDirect Air
ModelPHRV
CategoryVentilation
LanguageEnglish

Summary

Technical Data

Sizing Example for Airflow

Calculates required airflow based on house size and ceiling height.

Alternate Airflow Sizing Method

Determines airflow requirements per room classification and number of rooms.

Installation

Location and Mounting

Guidance on unit placement, wall mounting, and essential connections like drain lines.

Installing Ducts to/from Outside

Instructions for connecting ducts to outdoor weatherhoods and associated components.

Installing Ducts to/from Inside

Guidance on supply and exhaust air ducting within the building's interior.

Installation Examples

Illustrative diagrams showing different system configurations for installation.

Air Flow Balancing

Methods and procedures for balancing airflow in the ventilation system.

Operation

Modes of Operation

Details on continuous ventilation, defrost cycles, and different operating modes.

Optional Controls

Information on various remote controls and the Intellitek multi-function wall control.

Maintenance

Component Maintenance

Covers cleaning filters, checking the heat recovery core, motor, unit interior, and exterior hoods.

Troubleshooting

Troubleshooting Common Issues

Addresses problems like dry/humid air, condensation, poor airflow, and cold supply air with solutions.

Electrical Connections

Wiring Diagrams

Detailed wiring diagrams for internal components and external controls.

Furnace Interlock Wiring

Instructions for connecting the HRV to a furnace for integrated operation.

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