Imperial XDH 7.15 HRV User Manual

INSTALLATION GUIDE
Product of Imperial Air Technologies
Imperial Air Technologies Inc. reserves the rights to modify a product, without prior notice,
whether in price, design, color or codes, in order to offer at all times quality products that are highly competitive.
Imperial Air Technologies
480 Ferdinand Blvd., Dieppe, NB E1A 6V9
1-888-724-5211 Fax 506 388-4633
www.imperialgroup.ca
RESIDENTIAL USE ONLY
Item# PR0754
Models
XDH 7.15 HRV (Item No. 102610)
Solace XPH 1.5 HRV (Item No. 102389)
Solace XPH 2.0 HRV (Item No. 102390)
PH 7.15 HRV ES (Item No. 102391)
PH 10.22 HRV ES (Item No. 102392)

Imperial XDH 7.15 HRV Specifications

General

Water Flow Rate	7.15 GPM
Flow Rate	7.15 GPM
Ignition Type	Electronic
Type	Tankless
Fuel Type	Natural Gas
Venting	Direct Vent
Warranty	15 years heat exchanger, 5 years parts
Model	Imperial XDH 7.15 HRV

Summary

Important Pre-Installation Information

Safety Warnings and Precautions

Crucial safety advice to prevent electric shock, fire, and injury during installation and operation.

Operational Cautions and Limitations

Ventilation Requirements

Types of Installations

Installation of the HRV / ERV Unit

5th Port Advanced Defrost Sequence (XDH Model)

Condensation Drain Line Installation

Dedicated Electric Receptacle

Duotrol™ System Benefits and Controls

Balancing the Unit with Duotrol™ System

Balancing Procedures Steps

Step-by-step guide for balancing the unit using the Duotrol™ system and magnehelic gauge.

Controls Connection Diagrams

RD-1 (2 wires) Connection

RD-3D, RD-4D (4 wires) Connection

Wiring Diagrams for Furnace Interlock Systems

Standard Forced Air Interlocking Wiring

Diagram for integrating the HRV/ERV with a standard forced air distribution system.

Alternate Forced Air Interlocking Wiring

Wiring diagram for systems where thermostat activates the cooling system.

Troubleshooting Common Issues

HRV/ERV Not Running Diagnosis

Solutions for when the HRV/ERV unit fails to start or operate.

Air Humidity Issues

Troubleshooting for air that is too dry or too humid, with possible solutions.

Vibration or Noise Diagnosis

Cold Air Diagnosis

Contamination or Pollutants

Condensation Issues

Diagnosing and resolving problems related to condensation within the unit or ductwork.

Routine Maintenance Schedule

Filter Cleaning or Replacement

Instructions for cleaning or replacing air filters every two to three months.

Exterior Vent Cleaning

Heat-Exchange Core Inspection

Condensate Drain and Pan Cleaning

Annual Servicing Arrangement