Lifebreath AH40BHW Operation, Sizing And Installation Manual

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[Page 1] Lifebreath AH40BHW

* LEAVE FOR HOMEOWNER NOTE: Due to ongoing research and product development, specifications, ratings and dimensions are subject to change without notice. For Models: AH40DHW AH60DHW AH40BHW AH60BHW AH80BHW AH-01 1203 Installing Contractor Teleph...

[Page 2] Lifebreath AH40BHW

2 Table of Contents Introduction...................................................................................................3 Description and Purpose ............................................................................4 Combo System ...

[Page 3] Lifebreath AH40BHW

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 Pre...

[Page 4] Lifebreath AH40BHW

4 Description and Purpose IMPORTANT NOTE The purpose of this manual is to act as an instal- lation guide only for the LIFEBREATH Air Handler. Manufacturers' instructions for other components, such as the waterheater/boiler, must be followed. All...

[Page 5] Lifebreath AH40BHW

Closed/Open Combo System From the aspect of delivery of domestic hot water and space heating, the Open and Closed systems operate the same. A system becomes closed when a backflow prevention valve or check valve is installed in the cold water piping ...

[Page 6] Lifebreath AH40BHW

Call for Space Heating Only Operation When the thermostat calls for heat, the circulation pump is activated and hot water is drawn from the top of the water heater through the air handler, and then returned to the water heater. There should be at le...

[Page 7] Lifebreath AH40BHW

Manual Valves There are a number of manual valves required for the system to operate properly and safely. These valves are used as shut off valves, drain valves and throttling valves. They can be globe, gate, ball or balancing type valves. The globe ...

[Page 8] Lifebreath AH40BHW

Shut Off Valves There are 3 shut off valves required for an integrated combo system as follows: • One valve (a) on the cold water side of the water heater upstream of the heating loop con- nection. This valve has the ability to isolate the hot wat...

[Page 9] Lifebreath AH40BHW

Expansion Tanks Expansion tanks are only required for “Closed 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 heat...

[Page 10] Lifebreath AH40BHW

Water Heater Thermostat The water heater thermostat is set by the installing contractor to provide the required temperature at the hot water outlet of the water heater. It is important that a warning label be place near the water heater thermostat t...

[Page 11] Lifebreath AH40BHW

With an Integrated Combo System, the hot water temperature is approx. 130˚F (54˚C) which is 60˚F (15.5˚C) above the return air temperature. These units typically have a temperature rise of 35˚F (2˚C) to 40˚F (4˚C) and therefore would deliver ...

[Page 12] Lifebreath AH40BHW

12 Warranty Units carry a five year replacement parts warranty on all components. Side Front 29.5" 19" 32.5" 14" Top 29.5" 19" 16" Supply Air 17.25" 22" Return Air Blower Section (SERVICE CLEARANCE 1&...

[Page 13] Lifebreath AH40BHW

13 Warranty Units carry a five year replacement parts warranty on all components. Top 29.5" 19" 22.25" Supply Air 17.25" Side Front 29.5" 19" 32.5" 14" 22" Return Air Blower Section (SERVICE CLEARANCE 1&...

[Page 14] Lifebreath AH40BHW

14 Warranty Units carry a five year replacement parts warranty on all components. Side Front 29.5" 19" 32.5" 14" Top 29.5" 19" 16" Supply Air 17.25" 22" Return Air Blower Section (SERVICE CLEARANCE 1&...

[Page 15] Lifebreath AH40BHW

15 Warranty Units carry a five year replacement parts warranty on all components. Top 29.5" 19" 22.25" Supply Air 17.25" Side Front 29.5" 19" 32.5" 14" 22" Return Air Blower Section (SERVICE CLEARANCE 1&...

[Page 16] Lifebreath AH40BHW

16 Warranty Units carry a five year replacement parts warranty on all components. Top 29.5" 19" 22.25" Supply Air 17.25" Side Front 29.5" 19" 36.5" 18" 22" Return Air Blower Section (SERVICE CLEARANCE 1&...

[Page 17] Lifebreath AH40BHW

T he purpose of this manual is to give the contractor guidelines for installing the LIFEBREATH Air Handler. All national and local codes relating to this type of equipment must be followed. Locating The Unit The Air Handler is designed to be installe...

[Page 18] Lifebreath AH40BHW

18 Water Heater Check Valve To House CAF or AH Min. 12" above top of CAF / AH 12" Water Heater CAF or AH Check Valve Min. 12" above top of CAF / AH To House 12" Figure 2 Figure 1 * It should be noted that problems have been ...

[Page 19] Lifebreath AH40BHW

19 JUMPER PUMP TIMER (OPTIONAL) 1 LOAD 2 LINE 3 .. 4 5 RWC YG 24VAC THERMOSTAT CONNECTIONS GND TRANSFORMER 24V NC NO NO C C NC 120V LINE NEUTRAL NO NC com HIGH Speed Select red white blue black yellow Door Interlock Switch 3 0 2 0 FAN MOTOR FAN C...

[Page 20] Lifebreath AH40BHW

20 When using a Dehumidistat or Interface Relay to initiate high speed blower operation on a furnace, certain thermostats will initiate the outdoor cooling condenser when R and G are closed. Use this wiring configuration to stop the Dehumidistat fro...

[Page 21] Lifebreath AH40BHW

21 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 1. Ensure that connecting water lines are purged and free of debris ...

[Page 22] Lifebreath AH40BHW

22 Operation Heating/Cooling When the room thermostat calls for heat from the water heater, it activates a circulation pump locat- ed inside the Air Handler. This pump delivers hot water through the furnace coil and back to the water tank/boiler. Sim...

[Page 23] Lifebreath AH40BHW

23 Troubleshooting Lack of heat 1. Check that the room thermostat is set to the desired temperature. 2. Confirm the units have power and the shut-off valves are open. 3. Ensure there is power to the unit and that the pump is working. If the pump is n...

[Page 24] Lifebreath AH40BHW

24 Water Pump Performance Specifications 16 14 12 10 8 6 4 2 0 Capacity on U.S. gpm Model 40 1 2 4 6 8 10 12 Total Head in ...

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