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Operation, Sizing and Installation Manual
Models
CAF-U-S4A-24-P16 (E16)
CAF-D-S4A-24-P16 (E16)
CAF-U-L4A-36-P16 (E16)
CAF-D-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)
Hydronic Models with Built-in
Heat Recovery Ventilator (HRV)
69-CAF
031016
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Table of Contents
Related Manuals for Lifebreath CAF-U-S4A-24-P16 (E16)
Summary of Contents for Lifebreath CAF-U-S4A-24-P16 (E16)
- Page 1 Operation, Sizing and Installation Manual Models CAF-U-S4A-24-P16 (E16) CAF-D-S4A-24-P16 (E16) CAF-U-L4A-36-P16 (E16) CAF-D-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) Hydronic Models with Built-in Heat Recovery Ventilator (HRV) 69-CAF 031016...
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Page 2: Table Of Contents
Wiring Diagrams ............41-42 installation has been fully completed (including low voltage control wiring). Register for your warranty at www.lifebreath.com Airia will require the Model and Serial Number to register the unit. TO BE COMPLETED BY CONTRACTOR AFTER INSTALLATION Installing Contractor... -
Page 3: Overview Of The Clean Air Furnace
Once it is correctly installed, safety will never be an issue comfortable than air heated by a conventional furnace. One with your LIFEBREATH furnace. No flames, fumes or flue reason for this is that LIFEBREATH's hydronically heated gases to be concerned about. Your domestic hot water air is uniform and temperate... -
Page 4: Description And Purpose
All national and local code requirements must be met when installing a LIFEBREATH Clean Air Furnace. Be sure to This manual provides a guideline of good engineering prac- tice in the design, installation and commissioning of consult the proper authorities. -
Page 5: The Recovery Core
The Recovery Core HRV - Aluminum Core ERV - Enthalpic Paper Core A Heat Recovery Ventilator (HRV) is designed to provide An Energy Recovery Ventilator (ERV) is designed to pro- fresh air into a building while exhausting an equal amount vide fresh air into a building while exhausting an equal of stale air. -
Page 6: Combo System Basic Principles
Combo System Basic Principles Open and Closed Systems Drain Valve Open and Closed systems both deliver hot water and space A drain valve is required to allow the heating loop to be heating. drained for service or repair and to remove air from the heating loop when commissioning a system. -
Page 7: Plumbing
Plumbing There is an integrated check valve in the CAF / AH unit. Note: Take care during soldering to avoid debris or solder from lodging in the check valve. Note: It is critical to follow the piping configuration shown. Maintain a minimum distance of 12” above the CAF/AH. - Page 8 Plumbing Expansion Tanks Expansion tanks are required in addition to a Check Valve for Closed Systems because pressure is created when water Time to Scald is heated in the water heater. (1st degree burns) The expansion tank has an air bladder which will contract to relieve pressure in the system.
- Page 9 Plumbing Valves (a) Located on the cold water side of the Heater. This valve has the ability to isolate the hot water (domestic and space heating) from the household cold Supply water supply. Every water heater requires this valve These two regardless of space heating use.
- Page 10 Plumbing When the room thermostat calls for heat, the circulation Call for Space Heating pump is activated. Hot water is then drawn from the top of There are two thermostats controlling every combo system, the water heater through the air handler, and then returned the water heater thermostat (controlling the hot water tem- to the water heater.
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Page 11: Kit Contents
Quick Connect Kit: PART# 99-CAF-PKit 1/2 or 3/4 The pre-assembled, Quick Connect Kit shortens the KIT CONTENTS installation time. It provides an instant, easy assembly of the major plumbing fittings required for a proper CAF/AH installation. The Quick Connect Kit includes the WATER IN and WATER OUT assemblies. - Page 12 Plumbing Air System Pressure Drop (PD) A circulation fan draws cool house air at approx. 70°F Pressure drop (PD) is the reduction in total pressure caused (21°C) from the return ductwork, forces it through the water by components added to a piping system such as coils, coil where it is heated, and then distributes it to the various valves, and fittings.
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Page 13: Room Thermostat
Plumbing Air Handler Output Capacity Air Handler Air Flow Rate There are four factors that will significantly affect the The air entering the air handler can only be warmed by the heating output of the air handler. temperature difference between the hot water and the cool air. - Page 14 Plumbing Look inside the furnace and locate the pump. Attach the Drain Line "Hot Water In" (Supply) to the pipe running to the pump. The ventilation portion of the Clean Air Furnace has two drain pans for removing condensation, which may occur on Attach the "Hot Water Out"...
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Page 15: Installation
Installation This manual gives the contractor guidelines for installing Duct Connections the LIFEBREATH Clean Air Furnace. All national and To accommodate various installations, the Clean Air local codes relating to this type of equipment must be Furnace has knockouts for the return air plenum and followed. - Page 16 Installation Option 2 - Downflow Models Ventilation Ports Off Right Ventilation Ports Off Left Remove Remove styrofoam styrofoam knockout knockout Remove Remove styrofoam styrofoam knockout knockout ATTENTION Do not remove lower styrofoam knockout when installing the optional Bathroom Exhaust System (Part 99-CAF-BESKIT).
- Page 17 Installation cabinet. The collars can then be fastened into place with Locating Intake Weatherhood screws. Note the exhaust outlet is always the port on the The intake weatherhood should be located as follows: bottom, and the supply inlet is always the port on the top, •...
- Page 18 Pitot Tube Air Flow Balancing It is necessary to have balanced air flows in an HRV. The volume of air For general balancing it is sufficient to move the pitot tube around brought in from the outside must equal the volume of air exhausted by in the duct and take an average or typical reading.
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Page 19: Pitot Tube Air Flow Balancing
Pitot Tube Air Flow Balancing The accuracy of the airflow reading will be affected by how close to any elbows or bends the readings are taken. Accuracy can be increased by taking an average of multiple readings as outlined in the literature supplied with the Pitot tube. -
Page 20: Function And Controls
Function and Controls Standard Motor RELAY Fan Hi Fan Med Fan Low FEED Neutral/Neutre Line/Ligne CHASSIS N.O. N.O. N.O. N.O. AUX 2 AUX 1 SPARE DIP SWITCHES TO BE SEUL UN TECHNICIEN ADJUSTED BY QUALIFIED QUALIFIÉ PEUT AJUSTÉ LES TECHNICIANS ONLY. COMMUTATEURS DIP. - Page 21 Function and Controls ECM Motor ECM Motor DIP Switch Settings Neutral/Neutre Line/Ligne CHASSIS N.O. COOL HEAT ADJUST DELAY AUX 1 AUX 2 DIP SWITCHES TO BE SEUL UN TECHNICIEN ADJUSTED BY QUALIFIED QUALIFIÉ PEUT AJUSTÉ LES TECHNICIANS ONLY. COMMUTATEURS DIP. COOL HEAT ADJUST...
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Page 22: Optional Dehumidistat
Optional Dehumidistat - Part #99-DH-01 Key Features • The Dehumidistat measures the indoor humidity level and will Instruction card initiate high speed ventilation when the moisture level in the building exceeds the set point on the control. • Once the humidity in the building is reduced, the unit will revert to its previous setting. -
Page 23: Wiring The Controls
Wiring the Controls Optional Dehumidistat Connect to Yellow, Red & Green Optional Timers Connect to Yellow, Red & Green... -
Page 24: Aircom Relays
Aircom Relays The Aircom circuit board has three available “dry contact” relays. Contact 3 is not available. Maximum 115V 10 amp resistive load. SPARE SPARE F2 MAX 2 amp MAX 2 amp N.0. COM N.C. N.0. COM N.C. N.0. COM N.C. N.0 . COM N.0. -
Page 25: Start-Up Procedure
Start-Up Procedure In order for any appliance to work properly it must be set Once all of the necessary connections have been up and tested by a knowledgeable technician. made, the Clean Air Furnace Start-Up Procedure is as follows: The following conditions must be met prior to 1. -
Page 26: Service And Maintenance
Service/Maintenance A dedicated maintenance program will prolong the life of Clean Core Twice a Year the equipment, and maintain its optimum performance. a) Open access door. We recommend at least two (2) full inspections and b) Carefully grip ends of core, and pull evenly outward. cleanings per year under normal operating conditions, and Core may be snug, but will slide out of the "H"... -
Page 27: Troubleshooting
Troubleshooting Lack of heat HRV core freezes up 1. Check that the room thermostat is set to the desired 1. Make sure that the supply and exhaust lines are balanced temperature. according to the "Balancing Procedure" in this manual. 2. Confirm the units have power and the shut-off valves are 2. -
Page 28: How The Dehumidistat Works
How the Dehumidistat Works We suggest operating the unit for the first few days without High indoor humidity levels are apparent from the visible use of the dehumidistat function to observe if a further condensation on windows. The amount of condensation on dehumidification effect will be required. -
Page 29: Model Number Nomenclature Breakdown
Model Number Nomenclature Breakdown CAF - U - S2A - 24 - P16 Example Model Number Model Configuration CAF - Clean Air Furnace (Built-in HRV) Refer to AH (Air Handler) specifications if a built-in HRV is not required. Configuration U - Upflow - Return Air off Left or Right side D - Downflow - Return Air off Left side, Right side or Top (not available for L2A or 00 Coils) Hydronic Coil Size... -
Page 30: Dimensions And Clearances
Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Date: ___________________________________________ Contractor: ______________________________________ Tag: _____________________Qty:___________________ Supplier: ________________________________________ Project: _________________________________________ Quote#: _________________________________________ Engineer: _______________________________________ Submitted by: ____________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com... - Page 31 Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Date: ___________________________________________ Contractor: ______________________________________ Tag: _____________________Qty:___________________ Supplier: ________________________________________ Project: _________________________________________ Quote#: _________________________________________ Engineer: _______________________________________ Submitted by: ____________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com...
- Page 32 Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Date: ___________________________________________ Contractor: ______________________________________ Tag: _____________________Qty:___________________ Supplier: ________________________________________ Project: _________________________________________ Quote#: _________________________________________ Engineer: _______________________________________ Submitted by: ____________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com...
- Page 33 Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Date: ___________________________________________ Contractor: ______________________________________ Tag: _____________________Qty:___________________ Supplier: ________________________________________ Project: _________________________________________ Quote#: _________________________________________ Engineer: _______________________________________ Submitted by: ____________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com...
- Page 34 Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Contractor: ______________________________________ Date: ___________________________________________ Supplier: ________________________________________ Tag: _____________________Qty:___________________ Quote#: _________________________________________ Project: _________________________________________ Submitted by: ____________________________________ Engineer: _______________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com...
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Page 35: Static Pressure
Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Contractor: ______________________________________ Date: ___________________________________________ Supplier: ________________________________________ Tag: _____________________Qty:___________________ Quote#: _________________________________________ Project: _________________________________________ Submitted by: ____________________________________ Engineer: _______________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com... - Page 36 Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Date: ___________________________________________ Contractor: ______________________________________ Tag: _____________________Qty:___________________ Supplier: ________________________________________ Project: _________________________________________ Quote#: _________________________________________ Engineer: _______________________________________ Submitted by: ____________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com...
- Page 37 Units carry a lifetime warranty on the heat recovery (aluminum) core, a five year warranty on the energy recovery (enthalpic) core and a five year replacement parts warranty on all other components. Date: ___________________________________________ Contractor: ______________________________________ Tag: _____________________Qty:___________________ Supplier: ________________________________________ Project: _________________________________________ Quote#: _________________________________________ Engineer: _______________________________________ Submitted by: ____________________________________ T 1-855-247-4200 F 1-800-494-4185 info@lifebreath.com...
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Page 38: System Commissioning
System Commissioning This section of the manual is designed to be used with the • Hot water is available to the furnace “Commissioning of Integrated Combo System” worksheet. • The drain valve for the heating loop is closed The worksheet is designed to guide you through the start-up •... -
Page 40: Hrv Balancing
Part E - SYSTEM START UP E.5 Start Air Handler E.1 Fill Water-Heater with water E.2 Set Water-Heater at designed temperature E.6 Check Circulation Pump Operation E.3 Fill Heating Loop with water Check Circulation Fan Operation E.4 Purge Circulation Pump Label Water-Heater HRV BALANCING Exhaust Air Flow... -
Page 41: Wiring Diagrams
Standard Motor Wiring Diagram Defrost Dégivrage Freeze Congélation WARNING Do not initiate power before plumbing is commissioned. - Page 42 ECM Wiring Diagram Defrost Freeze WARNING Do not initiate power before plumbing is commissioned.
- Page 44 69-CAF 031016...
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