Lifebreath 94-EXCHANGER User Manual

Installation Tools
• tin snips • large zip ties
• assorted screw drivers • fabric flexible duct
• electric drill - class II rated
• hammer • mastic tape
• wire strippers • alum. foil duct tape
• knife • zip ties
• caulking gun • 1/2” I.D. drain hose
• smoke pencil
Balancing Tools
• Pitot Tube Balancing Kit
[Case, 8 ft. vinyl tubing, Pitot tube,
magnehelic gauge (0 - 0.25”), and
mounting plate]
•
Pitot Tube with instructions
and Digital Manometer (with resolution of
0 - 0.25” - must read to 1/100ths of an inch)
Heat Recovery Ventilators (HRV) are designed to provide
fresh air while exhausting an equal amount of stale air.
The HRV is equipped with an aluminum core. The device
uses the stale air that is being exhausted to condition the
fresh air as it is being brought in.
These instructions are intended as a general guide and do
not supersede local codes in any way. Consult authorities
who have jurisdiction before installation.
Required Tools................................................................1
Application.......................................................................1
General ...........................................................................1
Table of Contents............................................................1
Engineering Data ............................................................2
Motorized Damper Assembly..........................................3
Clearances & Requirements ...........................................4
Installation....................................................................4-6
Electrical .........................................................................7
Dehumidistat Operation ..................................................8
Air Flow Balancing .....................................................9-10
Maintenance .................................................................11
INSTALLATION INSTRUCTION FOR FRESH AIR EXCHANGER
Application
General
Table of Contents
Required Tools
* LEAVE FOR HOMEOWNER
NOTE: Due to ongoing research and product development, specifications,
ratings and dimensions are subject to change without notice.
TI-FAE-001
1207
MODELS 94-EXCHANGER, 94-EXCHANGER-MD, 99-MD-KIT
See page 3 for 99-MD-KIT installation instructions
ATTENTION

Lifebreath 94-EXCHANGER Specifications

General

Power Consumption	60W
Weight	28 lbs
Airflow Capacity	94 CFM
Type	Heat Recovery Ventilator
Airflow	94 CFM
Voltage	120V

Summary

Required Tools

Installation Tools

Tools needed for installing the HRV unit.

Balancing Tools

Tools required for balancing airflow in the HRV system.

Application

General

Engineering Data - HRV

Model 94-EXCHANGER-MD Dimensions

Technical dimensions and airflow specs for the 94-EXCHANGER-MD model.

Model 94-EXCHANGER Dimensions

Technical dimensions and airflow specs for the 94-EXCHANGER model.

Motorized Damper Assembly

Clearances and Requirements

Installation

Location Selection

Guidance on choosing an appropriate and accessible location for the HRV unit.

Suspending the Unit

Instructions for properly suspending the HRV unit using provided hanging straps.

Weather Hood Location and Installation

Guidelines for installing exterior weather hoods.

Weather Hood Requirements

Intake Weather Hood Requirements

Specific clearance and placement requirements for intake hoods.

Weather Hood Clearances

Visual guide and minimum distances for weather hood placement.

Air Duct Design and Installation

Stale Air Exhaust System

How the stale air exhaust system works with the furnace blower.

Drain Connection (HRV Only)

Instructions for connecting the drain line and forming a P-trap.

Electrical - Model 94-EXCHANGER-MD ONLY

Remote Control Connections

Wiring options for connecting remote controls and dehumidistats to the damper motor.

Dehumidistat Operation

Installation

Diagram illustrating the typical installation of the HRV with a remote dehumidistat.

Air Flow Balancing

Balancing Procedure

Step-by-step guide on using a Pitot tube for field balancing the HRV.

Maintenance

Inspect Exterior Hoods

Regular monthly inspection of exterior hoods for blockages.

Clean Air Filters

Instructions for cleaning the HRV's removable and washable air filters.

Clean Core

Procedure for cleaning the HRV's heat exchange core.

Drain (condensate) Line

Annual cleaning of the condensate drain line and P-trap.

Clean Duct System

Recommended annual cleaning of the HRV's duct system.

General Maintenance

Routine cleaning of the HRV cabinet interior.