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OPERATION, SIZING AND

INSTALLATION MANUAL

For Models:
AH40DHW
AH60DHW
AH40BHW
AH60BHW
AH80BHW
TO BE COMPLETED BY CONTRACTOR AFTER INSTALLATION
FIVE YEAR WARRANTY
ON PARTS AND ACCESSORIES
Installing Contractor
Telephone / Contact
Serial Number
Installation Date
* LEAVE FOR HOMEOWNER
NOW WITH
Model
NOTE: Due to ongoing research and product development, specifications,
ratings and dimensions are subject to change without notice.
AH-01
1203

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Summary of Contents for Lifebreath AH40BHW

  • Page 1: Installation Manual

    OPERATION, SIZING AND INSTALLATION MANUAL NOW WITH FIVE YEAR WARRANTY ON PARTS AND ACCESSORIES For Models: AH40DHW AH60DHW AH40BHW AH60BHW AH80BHW TO BE COMPLETED BY CONTRACTOR AFTER INSTALLATION Installing Contractor Telephone / Contact Serial Number Installation Date Model * LEAVE FOR HOMEOWNER NOTE: Due to ongoing research and product development, specifications, ratings and dimensions are subject to change without notice.
  • Page 2: Table Of Contents

    Table of Contents Introduction ....................3 Description and Purpose ................4 Combo System Basic Principle ..............5 Specifications ..................12 - 16 Installation ....................17 Plumbing ....................18 Electrical ....................19 Optional Dehumidistat ................20 Start Up Procedure ................... 21 Operation ....................22 Troubleshooting ..................23 System Commissioning ................24 Work Sheets ..................25 - 30...
  • Page 3: Introduction

    Once it is correctly installed, safety will never be an issue with your LIFEBREATH Air Handler. No flames, fumes or flue gases to be concerned about. Your domestic hot water heater/boiler now provides the heat source for your air handler.
  • Page 4: Description And Purpose

    However, The purpose of this manual is to act as an instal- the proper design, installation, and commissioning lation guide only for the LIFEBREATH Air Handler. of these systems is critical if these advantages are Manufacturers' instructions for other components, to be realized.
  • Page 5: Combo System Basic Principle

    Combo System Basic Principles Closed/Open Combo System Therefore, an expansion tank (or equivalent From the aspect of delivery of domestic hot device) may be installed as part of any closed water and space heating, the Open and Closed system. The operations of the valve and systems operate the same.
  • Page 6: Water Piping

    Call for Space Heating Only Air System Operation When the thermostat calls for heat, the A circulation fan draws cool house air at approx. circulation pump is activated and hot water is 70˚F (21˚C) from the return ductwork, forces drawn from the top of the water heater through it through the water coil where it is heated, and the air handler, and then returned to the water then distributes it to the various rooms of the...
  • Page 7 Manual Valves There are a number of manual valves required for malfunction with age. Gate valves tend to be less the system to operate properly and safely. These expensive than the other type of valves. valves are used as shut off valves, drain valves and throttling valves.
  • Page 8: Shut Off Valves

    Shut Off Valves system. The drain valve should be near the low point of the return piping system upstream of the There are 3 shut off valves required for an shut off valve and is preferred to be near the integrated combo system as follows: water heater.
  • Page 9: Expansion Tanks

    Expansion Tanks Note: There are a number of pressure balancing valves and mixing valves on the market which are Expansion tanks are only required for “Closed not certified as a anti-scalding device. Systems”. The expansion tank has an air bladder, which will contract to relieve pressure in the system.
  • Page 10: Water Heater Thermostat

    Water Heater Thermostat to achieve higher outputs from the furnace an anti-scald valve must be used to prevent The water heater ther mostat is set by the domestic hot water temperatures above 140˚F (60˚C). The manufacturer of the installing contractor to provide the required temperature at the hot water outlet of the water Hot Water Tank should be consulted for heater.
  • Page 11 Note: The vertical height of the heating loop does With an Integrated Combo System, the hot water not impact on the head pressure as the pressure temperature is approx. 130˚F (54˚C) which is required to push the water up the vertical height is 60˚F (15.5˚C) above the return air temperature.
  • Page 12: Specifications

    Specifications Model AH40DHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. AH40DHW OUTPUT (MBH) Dimensions & Clearances Model AH40DHW 16" Side Front Voltage 120 VAC 60 Hz Amps (total) Supply Air 17.25" 19" Water 1/2"...
  • Page 13 Specifications Model AH60DHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. AH60DHW OUTPUT (MBH) Dimensions & Clearances Model AH60DHW 22.25" Side Front Voltage 120 VAC 60 Hz 17.25" 19" Amps (total) Supply Air Water 3/4"...
  • Page 14 Specifications Model AH40BHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. Dimensions & Clearances Model AH40BHW 16" Side Front Voltage 120 VAC 60 Hz Amps (total) Supply Air 17.25" 19" Water 1/2" Copper Soldered...
  • Page 15 Specifications Model AH60BHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. Dimensions & Clearances Model AH60BHW 22.25" Side Front Voltage 120 VAC 60 Hz 17.25" 19" Amps (total) Supply Air Water 1/2" Copper Soldered Connections Connection 32.5"...
  • Page 16 Specifications Model AH80BHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. AH80BHW Output (MBH) 1639 56.8 61.5 64.6 37.5 43.9 50.3 63.3 69.7 40.7 47.6 54.5 68.5 75.5 42.8 50.0 57.3 71.9 79.3 1618 56.5 61.1...
  • Page 17: Installation

    The purpose of this manual is to give the contractor Any ductwork running through unconditioned space guidelines for installing the LIFEBREATH Air Handler. must be sealed properly and insulated to prevent All national and local codes relating to this type of heat loss.
  • Page 18: Plumbing

    Plumbing In order to improve serviceability of our products, This will allow for ease of service to remove any the check valve is included with our manual kit installation debris or service required due to for field installation between the air-handler and extended hard water conditions.
  • Page 19: Electrical

    Electrical Caution should be used if installing a setback The Air Handler operates at 120V, singles phase ther mostat to control the system. If the and draws anywhere from 2-8.7 amps, thermostat is set back too far, and, for example, depending on fan speed.
  • Page 20: Optional Dehumidistat

    Optional Dehumidistat An optional dehumidistat can be connected to the furnace to help eliminate excessive moisture during the heating season. When the dehumidistat senses moisture in excess of the control setpoint, the blower will be overridden into high speed. This will increase the ventilation airflow and create a dehumidification affect.
  • Page 21: Start Up Procedure

    Start-Up Procedure In order for any appliance to work properly it must be set up and tested by a knowledgeable technician. The following conditions must be met prior to start-up Ensure that connecting water lines are purged and free of debris Caution: solder or other debris may cause the furnace pump or check valve to malfunction Blower wheel rotates freely inside its housing Wiring connections are tight...
  • Page 22: Operation

    Operation Heating/Cooling Optional Circulation Timer Models When the room thermostat calls for heat from the Some models are equipped with a circulation water heater, it activates a circulation pump locat- timer. It is normal operation for these models to ed inside the Air Handler. This pump delivers hot automatically run the circulation pump for a short water through the furnace coil and back to the period of time intermittently.
  • Page 23: Troubleshooting

    Troubleshooting Pump is noisy Lack of heat Pumps can become noisy when air remaining in 1. Check that the room thermostat is set to the the lines interfere with their operation. If this desired temperature. occurs, re-purge the system as indicated in the 2.
  • Page 24: System Commissioning

    System Commissioning This section of the manual is designed to be used fully open with the “Commissioning of Integrated Combo • The throttling valve for the heating loop (if System” worksheet. The worksheet is designed to applicable), is fully opened guide you through the start-up process in a logi- •...

This manual is also suitable for:

Ah40dhwAh60bhwAh80bhwAh60dhw

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