Lifebreath AH40DHW - Manuals

Closed/Open Combo System Fr o m t h e a s p e c t o f d e l i ve r y o f d o m e s t i c h o twater and space heating, the Open and Closedsystems operate the same. A system becomesc l o s e d w h e n a b a ck f l ow p r eve n t i o n va l ve o rcheck valve is installed in the cold water pipingu p s ...

Call for Space Heating OnlyOperation When the ther mostat calls for heat, the circulation pump is activated and hot water isdrawn from the top of the water heater throughthe air handler, and then returned to the waterheater. There should be at least a 20˚F (11˚C)temperature drop between the hot wate...

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

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 thewater heater upstream of the heating loop con-nection. This valve has the ability to isolate thehot water (domestic and space heating) fromthe household cold w...

Water Heater Thermostat T h e w a t e r h e a t e r t h e r m o s t a t i s s e t b y t h ei n s t a l l i n g c o n t ra c t o r t o p r ov i d e t h e r e q u i r e d temperature at the hot water outlet of the waterheater. It is impor tant that a war ning label beplace near the water heater thermo...

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') (SERVICE CLEARANCE 3') Specifications Model AH40DHW Filters 1&...

The purpose of this manual is to give the contractorguidelines for installing the LIFEBREATH Air Handler.All national and local codes relating to this type ofequipment must be followed. Locating The Unit The Air Handler is designed to be installed vertically,in a conditioned space, where the surroun...

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 observed when using the side tappings on certain water heate...

19 JUMPER PUMP TIMER (OPTIONAL) 1 LOAD 2 LINE 3 .. 4 5 R W C Y G 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 InterlockSwitch 30 20 FAN MOTOR FAN CAPACITORS PUMP black yellow blue MED-HIGH MED FieldCon...

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 from initializing the condenser unit. Thisproblem can ...

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 debrisCaution: solder or other debris may cause the furnac...

22 Operation Heating/Cooling When the room thermostat calls for heat from thewater heater, it activates a circulation pump locat-ed inside the Air Handler. This pump delivers hotwater through the furnace coil and back to thewater tank/boiler. Simultaneously, the fur naceblower switches on to high sp...

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 not working properly, it may be stuck. Disconnect p...

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 Feet Model 60 1 2 4 6 8 10 12 14 16 18 20 16 14 12 10 8 6 4 2 0 Capacity on U.S. gpm Total Head in Feet This section of the manual is designed to be usedwith the “Commissioning ...