Lifebreath CAF-U-S4A-24-P16 User Manual

69-CAF
0912
Hydronic Models with Built-in
Heat Recovery Ventilator (HRV)
MANUFACTURED WITH
AIRCOM ELECTRONICS
Operation, Sizing and Installation Manual
Models
CAF-U-S4A-24-P16 (E16)
CAF-D-S4A-24-P16 (E16)
CAF-H-S4A-24-P16 (E16)
CAF-U-L4A-36-P16 (E16)
CAF-D-L4A-36-P16 (E16)
CAF-H-L4A-36-P16 (E16)
CAF-U-L2A-48-P16 (E16)
CAF-U-00-24-P16 (E16)
CAF-U-00-36-P16 (E16)
CAF-U-00-48-P16 (E16)

Lifebreath CAF-U-S4A-24-P16 Specifications

General

Model	CAF-U-S4A-24-P16
Category	Furnace
Input BTU	24000
Stages	Single
Voltage	115 VAC
Phase	Single

Summary

The Recovery Core

Plumbing

Installation

Unit Location and Clearance

Guides on selecting an appropriate location and required clearances for installation.

Duct Connections and Knockouts

Details making duct connections, removing knockouts, and using optional kits.

Ducting Requirements and Insulation

Covers duct sizing, sealing, and insulation for optimal airflow and heat retention.

Weatherhood Placement Guidelines

Specifies guidelines for locating fresh air intake and exhaust weatherhoods.

Pitot Tube Air Flow Balancing

Balancing Procedure and Equipment

Explains how to balance airflow using a Pitot tube and magnehelic gauge.

Balancing Collar and Damper Installation

Details connecting ductwork with balancing collars and back draft dampers.

Function and Controls

DIP Switch Configuration

ECM Motor Control Settings

Optional Controls

Wiring the Controls

Dehumidistat and Timer Connections

Aircom Relays

Relay Functionality and Usage

Start-Up Procedure

Pre-Start Checks and Steps

Lists essential conditions and steps before energizing the unit for the first time.

Service and Maintenance

Routine Inspection and Cleaning

Troubleshooting

Common Issues and Solutions

Addresses problems like lack of heat, noisy pump, and HRV freeze-up with corrective actions.

System Commissioning

Commissioning Worksheet Guidance

Provides guidance for using the commissioning worksheet for final system checks.

Standard Motor Wiring Diagram

Electrical Connections for Standard Motor

ECM Wiring Diagram

Electrical Connections for ECM Motor