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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.
AH-01
1203
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Table of Contents Introduction...................................................................................................3 Description and Purpose ............................................................................4 Combo System Basic Principle ...................................................................5 Specifications ......................................................................................12 - 16 Installation ..............................................
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Introduction Congratulations on your selection of the LIFEBREATH Air Handler. This is a very advanced unit that combines the outstanding efficiency and economy of the water heater/airhandler concept. With the addition of LIFEBREATH Turbulent Flow Precipitator (TFP) Air Cleaner (optional) you will have the ultimate in comfort and healthy indoor air quality. You will notice that the heated air in your home feels more comfortable than air heated by a conventional furnace. One reason for this is tha
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Description and Purpose IMPORTANT NOTE single system has the potential to increase effi- ciency and reduce overall capital costs. 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. such as the waterheater/boiler, must be followed. This manual provides a guideline of good
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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. A system becomes expansion tank are discussed later in this closed when a backflow prevention valve or section of this manual. check valve is installed in the cold water piping upstream of the wat
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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 heater. There should be at least a 20˚F (11˚C) house through the supply du
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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. They can be globe, gate, The ball valve can be used as a shut off or drain ball or balancing type valves. valve but not a throttling (balancing) valve. When in the open position, a full bore ball valve has very The globe valv
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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. • One valve (a) on the cold water side of the water heater upstream of the heating loop con- Throttling Valve nection. This valve has the ability to isolate the hot water (domestic and space heating) from The throttling (balancing) valve is used
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Note: There are a number of pressure balancing Expansion Tanks 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. Pressure is created in the closed system when water is heated in the water heater. Time to Scald Expansion tanks should always be connected to (1st degree burns) the cold water piping between the
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Water Heater Thermostat to achieve higher outputs from the furnace an anti-scald valve must be used to prevent The water heater thermostat 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. It is important that a warning label be temperatures higher than 140˚F. place near the water heater thermostat telling the
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With an Integrated Combo System, the hot water Note: The vertical height of the heating loop does not impact on the head pressure as the pressure temperature is approx. 130˚F (54˚C) which is 60˚F (15.5˚C) above the return air temperature. required to push the water up the vertical height is These units typically have a temperature rise of offset by the weight of the water in the vertical drop 35˚F (2˚C) to 40˚F (4˚C) and therefore would on the other side of the heating loop. deliver air at the d
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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 Top Voltage 120 VAC 60 Hz Hp 1/3 Amps (total) 7 Supply Air 17.25" 19" Water 1/2" Copper Soldered Connections Connection Airflow (High) 32.5" 22" .25 in wg 1030 CFM .5 in. wg 890 CFM 29.5" Blower Section 14" Return Air Net Weight 111 lbs. Shipping 130 lbs. Weight 29.5" 19" Note: Retur
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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" Top Side Front Voltage 120 VAC 60 Hz Hp 1/2 17.25" 19" Supply Air Amps (total) 8.7 Water 3/4" Copper Soldered Connections Connection 32.5" 22" Airflow (High) 29.5" .25 in wg 1350 CFM Blower Section 14" .5 in. wg 1180 CFM Return Air Net Weight 121 lbs. Shipping 140 lbs. 19" 29.5" Weight Note: Re
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Specifications Model AH40BHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. Dimensions & Clearances Model AH40BHW 16" Top Side Front Voltage 120 VAC 60 Hz Hp 1/3 Amps (total) 7 Supply Air 19" 17.25" Water 1/2" Copper Soldered Connections Connection Airflow (High) 32.5" 22" .25 in wg 1280 CFM .5 in. wg 1075 CFM 29.5" Blower Section 14" Return Air Net Weight 111 lbs. Shipping 130 lbs. Weight 29.5" 19" Note: Return plenum opening (
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Specifications Model AH60BHW Filters 1" pleated in return plenum side. Case Prepainted galvanized steel for superior corrosion resistance. Dimensions & Clearances Model AH60BHW 22.25" Top Side Front Voltage 120 VAC 60 Hz Hp 1/2 17.25" 19" Supply Air Amps (total) 8.7 Water 1/2" Copper Soldered Connections Connection 32.5" 22" Airflow (High) 29.5" .25 in wg 1402 CFM Blower Section 14" Return Air .5 in. wg 1220 CFM Net Weight 121 lbs. Shipping 140 lbs. 19" 29.5" Weight Note: Return plenum opening
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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 37.3 43.7 50.0 56.5 62.9 69.3 40.4 47.2 54.2 61.1 68.0 75.0 42.5 49.7 56.9 64.2 71.5 78.7 1575 36.9 43.2 49.5 55.8 62.2 68.6 39.9 46.7 53.5 60.3 67.2 74.0 41.9 49.0 56.1 63.3 70.5 77.7 1967 40.4 47.3 54.2 61.1 68.1 75.1 44.1 51.6 59.2 66.7
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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. All local codes must be followed in deter- equipment must be followed. mining the amount of insulation needed. Locating The Unit Piping The Air Handler is designed to be installed vertically, The hot water piping betw
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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. hot water source. The check valve should be installed in a vertical Note: Take care during soldering to avoid debris or run of pipe with the flow of water in an upward solder from lodging in the check valve. dir
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Electrical Caution should be used if installing a setback The Air Handler operates at 120V, singles phase thermostat 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. is set to call for a lot of heat when you get out of bed, at which time showering and general water The low voltage thermostat (not provided) use is at its peak, then the hot water heater may connects to the R & W terminals for heating and
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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. Typical settings are between 30-40 during the winter and OFF for all other seasons. The dehumidistat will connect to R&G terminals on the furnace. Note: D
