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Summary of Contents for Lifebreath 455FD
- Page 2 Note • Due to ongoing research and product development, specifications, ratings, and dimensions are subject to change without notice. Refer to www.lifebreath.com for the latest product information. Attention Do not apply electrical power to the unit until after the completion of the installation (including •...
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Page 3: Table Of Contents
23 Reverse Installation of the HRV ............................ 17 24 Troubleshooting ................................18 24 Troubleshooting ................................19 25 Wiring Diagrams (455FD) .............................. 20 25 Wiring Diagrams (650FD, 700FD, 1200FD)........................21 25 Wiring Diagrams (455DD, 650DD, 700DD, 1200DD) ..................... 22 26 Warranty ..................................23... -
Page 4: Location Notes
Hang unit with suspended rods and “U” Mount unit on wooden or metal curb assembly. channel members HRV must be raised an adequate height for installation and slope of drain lines. May be anchored to floor, leaving space for drain connections. www.lifebreath.com... -
Page 5: Ducting The System
Flexible duct connectors should be installed between the HRV and the galvanized ductwork. Use fully insulated ducting with an integral vapour barrier on all runs that pass through unheated areas to • avoid condensation problems and energy losses from the air streams. Consult local codes. www.lifebreath.com... -
Page 6: Dimensional Drawings
IMENSIONAL RAWINGS 455FD/DD Dimensions: 650FD/DD Dimensions: www.lifebreath.com... - Page 7 IMENSIONAL RAWINGS 700FD/DD Dimensions: 1200FD/DD Dimensions: www.lifebreath.com...
- Page 8 At no time should the air handler Total External Static Pressure (TESP) on the return duct exceed that of the HRV. • When interlocking a rooftop unit with an HRV take care to ensure the fans of both units operate in the correct rotation. www.lifebreath.com...
- Page 9 At no time should the air handler Total External Static Pressure (TESP) on the return duct exceed that of the HRV. • When interlocking a rooftop unit with an ERV take care to ensure the fans of both units operate in the correct rotation. www.lifebreath.com...
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Page 10: Stale Air Return And Fresh Air Supply System
Supply air grilles may be ceiling or high wall mounted. Avoid locating incoming fresh air grilles that could cause a direct draft on the occupants as the incoming air may be below room temperature. A reheat duct heater can be installed to improve occupant comfort. www.lifebreath.com... -
Page 11: Weatherhoods And Grilles
Design and install the fresh air intake in an area where the hoods will gather the freshest air. • Do not use smaller mesh as it will be very susceptible to plugging up. Gravity dampers at the vents must not be used as they will restrict air flow and often “seize up”. www.lifebreath.com... -
Page 12: Drain Connections
Drain trap and tubing must be below bottom of door with 1/4 in. per foot downwards slope away • from unit. A secondary drain pan may be required to protect from condensate leakage. • www.lifebreath.com... -
Page 13: Electrical Connections
HRV is properly grounded before and after testing. Caution The HRV is designed to operate with ducting. When first starting the HRV, measure the amp draw to • each motor at each speed to ensure it is operating at or below the max rating. www.lifebreath.com... -
Page 14: Function And Controls
Page 18 for installation on circuit board. Optional Wireless Timer (99-DET02) Page 20 for installation. Note It is recommended to use the optional speed control Part # 99-500 in order to obtain 3 speed fan • control. www.lifebreath.com... -
Page 15: Main Wall Control
• Only one main control can be installed on your system. • Recirculation is not available on all models. • Timers will not function when mode of operation is set to “OFF”, unless specifically installed for the function. (See Installation Guide for other options.) www.lifebreath.com... -
Page 16: Main Wall Controls
Only one main control can be installed on your system. • Recirculation is not available on all models. • Timers will not function when mode of operation is set to “OFF”, unless specifically installed for the function. (See Installation Guide for other options.) www.lifebreath.com Page 2... -
Page 17: Main Wall Control
• Only one main control can be installed on your system. • Recirculation is not available on all models. • Timers will not function when mode of operation is set to “OFF”, unless specifically installed for the function. (See Installation Guide for other options.) www.lifebreath.com Page 2... -
Page 18: Main Control (99-Bc02/3/4)
10. Connect the 3 wire 20 gauge (min.), 100 ft length (max.), to the RED, GRN, and YEL terminal on the Digital Controls terminal strip on the Aircom circuit board (figure D). Attention • Use care when separating or attaching the face plate to avoid damaging the contact pins. www.lifebreath.com Page 3... -
Page 19: Main Control (99-500)
When used in conjunction with the 99-BC02, the BC02 control must be ON for the 99-500 control • to operate. The 99-BC02 will override the 99-500 control when the Dehumidistat is operating, or the control is set to HIGH speed www.lifebreath.com Page 4... -
Page 20: Timers And Repeaters
On the back of the face plate the battery will be exposed. b) Replace the battery and re-attach the face plate to the back plate. Attention Be careful not to damage the tabs on the back plate when re-attaching the face plate. • www.lifebreath.com Page 5... - Page 21 5. Attach the face plate to the back plate (figure B). Attention • The wireless timers and repeaters must be paired to the main control of the HRV. This process is called “Pairing”. Multiple timers and repeaters can be paired to the main control. www.lifebreath.com Page 6...
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Page 22: Timers And Repeaters
6. To pair additional repeaters with the same main control, repeat steps 1 through 5 until all repeaters have been paired. Attention • The repeaters are to be plugged directly into a 120V power outlet. www.lifebreath.com Page 7... -
Page 23: Timers And Repeaters
Connect the wires from the Y, R, and G terminals on the timer to the YEL, RED, and GRN terminals on the circuit board as shown. Note Timers mount in standard 2” x 4” electrical boxes. • Wire multiple timers individually back to the unit. • Use 3 wires; 20-gauge wire (minimum) • www.lifebreath.com Page 8... -
Page 24: Air Com Relays & Interlocking To A Furnace/Air Handler
Note: Connecting the HRV as illustrated will ensure the Air Handler Blower Motor is operating whenever the HRV is ventilating. Caution • Consideration must be given to competing air flows when connecting the HRV in conjunction with an Air Handler/Furnace Blower system. www.lifebreath.com Page 9... -
Page 25: Reversing The Supply And Defrost Air Ports (Dd Models Only)
Air) instead of the top port. Switch T37 (red wire) and T39 (yellow wire) on the circuit board if you wish to reverse the "Fresh Air from Outside" and "Defrost Air" ports. This illustration shows the factory configuration. www.lifebreath.com Page 10... -
Page 26: Fan Defrost And Damper Defrost
AMPER EFROST Fan Defrost – Models 455FD, 700 FD, 650FD, 1200FD Fan defrost HRV's are equipped with an electronically controlled fan defrost system to remove frost that collects on the warm air side of the aluminum heat transfer surfaces of the heat exchanger core. When the outside air temperature drops below 27°F (-3°C), defrost is activated which provides for an automatic defrost... -
Page 27: Balancing The Airflows
Continuous, excessive, negative pressure may have several undesirable effects. In some geographic locations, soil gases such as methane and radon gas may be drawn into the home through basement or ground contact areas and may also cause the backdrafiting of vented combustion equipment. www.lifebreath.com... - Page 28 Accuracy can be increased by taking an average of multiple readings as outlined in the literature supplied with the Pitot tube. Note: Duct connections may vary, depending on model. Note: Place pitot tube a minimum of 18” from blower or elbows www.lifebreath.com...
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Page 29: Service And Maintenance
When reinstalling the core, you must note foam location and drip edge location for proper core placement. See diagram below. Note: When removing cores and filters, note their location and arrangement. www.lifebreath.com... - Page 30 As a final step in a routine maintenance schedule, it is a good idea to confirm operation of the system, checking speed control functions and remote control operation, if applicable. Wipe the inside of the cabinet to remove dust and cobwebs as needed. It is a good idea to keep a service/maintenance log of the unit. www.lifebreath.com...
- Page 31 6. Remove the snap plug from the hole in the top core support panel and install a plastic snap bushing in hole. 7. Route damper motor wires through hole in top core support panel. www.lifebreath.com...
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Page 32: Reverse Installation Of The Hrv
15. Install the large single door panel on the now back of the cabinet where electrical box was removed from and fasten using the eight machine screws. 16. Reversing of the HRV is now complete. Continue with the installation of the HRV. www.lifebreath.com... -
Page 33: Troubleshooting
External low voltage is Check external wiring for a short • • shortened out by a staple or • Set the Dehumidistat at the desired nail setting • Check dehumidistat setting it may be on OFF www.lifebreath.com... - Page 34 Look for kinks in the drain line drain lines • HRV is not level • Drain lines are obstructed • HRV heat exchange core is not properly installed Excessive vibration • Dirt on fan wheels • Have contractor service HRV www.lifebreath.com...
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Page 35: Wiring Diagrams (455Fd)
25 W (455FD) IRING IAGRAMS www.lifebreath.com... -
Page 36: Wiring Diagrams (650Fd, 700Fd, 1200Fd)
25 W (650FD, 700FD, 1200FD) IRING IAGRAMS www.lifebreath.com... -
Page 37: Wiring Diagrams (455Dd, 650Dd, 700Dd, 1200Dd)
25 W (455DD, 650DD, 700DD, 1200DD) IRING IAGRAMS www.lifebreath.com... -
Page 38: Warranty
AIRIA®, are excluded from this warranty. If you feel that the LIFEBREATH® unit you purchased is not free from manufacturing defects, please refer to https://www.lifebreath.com/homeowners-2/find-a-contractor/ to find the name of your nearest dealer in order to repair the product.
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