Lifebreath 1000RHC Operation And Installation Manual Download Page 8

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Evaporation Rate

Indoor Relative Humidity

Evaporation Rate lb/(sq. ft-hr.)

40% 50% 60%

40% 50% 60% 40% 50% 60% 40% 50% 60% 40% 50% 60% 40% 50% 60%

0.069 0.063 0.056 0.079 0.073 0.066 0.090 0.084 0.077 0.102 0.095 0.089 0.115 0.108 0.102 0.129 0.122 0.116

0.068 0.060 0.053 0.078 0.070 0.063 0.088 0.081 0.074 0.100 0.093 0.086 0.113 0.106 0.099 0.127 0.120 0.113

0.065 0.058 0.050 0.075 0.068 0.060 0.086 0.079 0.071 0.098 0.090 0.083 0.111 0.103 0.096 0.125 0.117 0.110

0.063 0.055 0.047 0.073 0.065 0.057 0.084 0.076 0.068 0.096 0.088 0.079 0.109 0.101 0.092 0.123 0.115 0.106

0.061 0.052 0.043 0.071 0.062 0.053 0.082 0.073 0.064 0.094 0.085 0.076 0.107 0.098 0.089 0.121 0.112 0.103

0.059 0.049 0.039 0.069 0.059 0.049 0.080 0.070 0.060 0.091 0.082 0.072 0.104 0.095 0.085 0.118 0.109 0.099

0.056 0.046 0.035 0.066 0.056 0.045 0.077 0.067 0.056 0.089 0.079 0.068 0.102 0.091 0.081 0.116 0.105 0.095

0.053 0.042 0.031 0.063 0.052 0.041 0.074 0.063 0.052 0.086 0.075 0.064 0.099 0.088 0.077 0.113 0.102 0.091

0.050 0.039 0.027 0.060 0.049 0.037 0.071 0.060 0.048 0.083 0.071 0.060 0.096 0.084 0.073 0.110 0.098 0.087

0.047 0.035 0.022 0.057 0.045 0.032 0.068 0.056 0.043 0.080 0.068 0.055 0.093 0.080 0.068 0.107 0.094 0.082

0.044 0.031 0.017 0.054 0.041 0.027 0.065 0.052 0.038 0.077 0.063 0.050 0.090 0.076 0.063 0.104 0.090 0.077

TABLE 1

Summary of Contents for 1000RHC

Page 1: ...patibility of the two pieces of equipment must be confirmed by measuring the airflow s of the Heat Energy Recovery Ventilator HRV by using the balancing procedure in this manual It is always important to assess how the operation of any HRV may interact with vented combustion equipment ie Gas Furnaces Oil Furnaces Wood Stoves etc NEVER install an HRV in a situation where its normal operation lack o...

Page 2: ...tems 16 Operation of the HRV 17 Ducting Requirements Mode of Operation 18 Speed Selection and Controls 19 Hydronic Reheat Coil 19 Air Conditioning DX Coil 19 Pitot Tube Air Flow Balancing 20 Service Maintenance 21 Motor 21 HRV Core 21 Filters 22 Duct Work 22 Damper Motor 22 General Maintenance 22 Troubleshooting Your HRV System 23 Wiring Diagram 24 Warranty 25 Introduction A Heat Recovery Ventilat...

Page 3: ..._____________________ MECHANICAL CONTRACTOR _________________________________________________________________________ SPECIFICATIONS CORES Modular 2 section patented aluminum heat recovery cores arranged for efficient cross flow ventilation Meets the flame spread and smoke developed classifications of the National Building Code and NFPA 90A 1993 Edition MOTORS Two PSC 3 speed single shafted 120 VA...

Page 4: ...ecovery cores arranged for efficient cross flow ventilation Meets the flame spread and smoke developed classifications of the National Building Code and NFPA 90A 1993 Edition MOTORS Two PSC 3 speed double shafted 120 VAC 4 Amps each 8 1 total on high speed HP 1 4 1625 RPM Watts total on high speed 972 FILTERS Washable air filters in exhaust and supply air streams BLOWERS Centrifugal type rated at ...

Page 5: ...EFROST RECIRCULATION AIR EXHAUST AIR TO OUTSIDE SUPPLY AIR TO BUILDING EXHAUST AIR FROM BUILDING SUPPLY AIR FROM OUTSIDE NOTE Service clearance is 760 mm 30 in 508 mm 20 CONTROLS 149 mm 5 7 8 263 mm 10 3 8 263 mm 10 3 8 99 101 Sixty Minute Remote Timer 99 130 Remote Wall Mount Dehumidistat Control 24VAC only All units conform to CSA and UL standards WARRANTY Units carry a 15 year warranty on the h...

Page 6: ...ged moisture removal depends largely on the moisture content of both the inside and outside air The trends below outline these principles The higher the indoor relative humidity the larger the moisture removing capabilities The higher the indoor temperature the larger the moisture removing capabilities The lower the outdoor temperature the larger the moisture removing capabilities Detailed Calcula...

Page 7: ...ep 2 to obtain the minimum CFM required per square foot of pool surface area Evaporation rate X Flowrate CFM square foot of water surface area 0 052 X 21 70 1 12 4 Multiply the value in step 3 by the area of the pool Area of pool X Value for step 3 CFM 512 X 1 12 573 System Installation It is necessary to design and size the duct distribution system for both the supply and the exhaust air streams ...

Page 8: ...0 043 0 071 0 062 0 053 0 082 0 073 0 064 0 094 0 085 0 076 0 107 0 098 0 089 0 121 0 112 0 103 78 0 059 0 049 0 039 0 069 0 059 0 049 0 080 0 070 0 060 0 091 0 082 0 072 0 104 0 095 0 085 0 118 0 109 0 099 80 0 056 0 046 0 035 0 066 0 056 0 045 0 077 0 067 0 056 0 089 0 079 0 068 0 102 0 091 0 081 0 116 0 105 0 095 82 0 053 0 042 0 031 0 063 0 052 0 041 0 074 0 063 0 052 0 086 0 075 0 064 0 099 0...

Page 9: ...30 60 44 90 33 80 27 00 39 40 29 80 24 00 34 70 26 40 21 30 30 70 23 50 19 00 27 30 21 00 17 00 15 56 20 41 00 32 20 48 50 35 80 28 30 42 10 31 40 25 00 36 80 27 60 22 10 32 40 24 50 19 60 28 60 21 70 17 50 20 63 40 44 70 34 50 53 70 38 50 30 00 46 00 33 50 26 30 39 70 29 30 23 10 34 60 25 70 20 40 30 30 22 70 19 10 25 74 90 50 10 37 60 61 70 42 50 32 40 51 80 36 40 28 10 44 00 31 50 24 50 37 80 2...

Page 10: ...anket exposed windows with fresh dry air Always attempt to minimize short circuiting of air streams supply fresh air on one side of room and exhaust stale air from opposite side of room EXPOSED WALL Min 10 0 HRV 10 Installation Diagrams Typical Duct Layout Sketch 1 ...

Page 11: ... WALL HRV Stale Air Intake Blanket exposed windows with fresh dry air Min 10 0 Always attempt to minimize short circuiting of air streams supply fresh air on one side of room and exhaust stale air from opposite side of room Typical Duct Layout Sketch 2 ...

Page 12: ... possible a condensate pump will be required for positive removal of the water Protect the drain line from freezing The Ductwork System A properly designed ducting system will allow the HRV to operate at its maximum efficiency Air flow will be restricted by undersized ducting use of too many elbows tees bends etc Always try to keep duct runs as short and straight as possible NOTE Fully insulated d...

Page 13: ...uct sealant and wrapped with a quality duct tape to pre vent leakage We recommend aluminum foil tape Stale Air Return System The stale air return system is used to draw air from the points in the building where the worst air quality prob lems occur Balancing dampers and or adjustable grilles are recommended on all return air lines which are used during installation to help balance the draw from di...

Page 14: ...taller should be aware of local codes that may require smoke detectors and or firestats in the HVAC or HRV ductwork Because an HRV is designed to bring fresh air into the building structures may require supply voltage interrupt when smoke or flame sensors are triggered or when a central fore alarm system is activated Supply air grilles may be ceiling or high wall mounted Avoid locating incoming fr...

Page 15: ...ly Unit must be raised an adequate height for installation and slope of drain lines Curb is wood or metal Supplied by others May be anchored to floor leaving space for drain connections Vibration Isolators Supplied by others PVC Support Straps Supplied by others Figure 7C Suspended Unit Suspended using Polyester reinforced PVC support straps NOTE When installing your HRV flexible duct connectors s...

Page 16: ...side temperature drops below 27 F 3 C the defrost timer is activated A motor driven damper door mechanism opens the defrost port and at the same time closes off the supply air from outside After approximately 3 minutes the damper operates in the opposite direction to close off the defrost port and reopen the fresh air at the supply port The 27 5 minute wait time and 3 minute defrost cycle repeat u...

Page 17: ...rculated and no outside air will enter the system Pool room air moves through the unit then to the duct heater optional and returns to the pool room Outside air is prevented from entering the unit during recirculation by the supply damper closing off The exhaust fan to the outside is shut off during this time Outside air does not enter the system until the pool room humidity exceeds the setpoint o...

Page 18: ...mode both motors are running and air is being exchanged with the outside through the supply and exhaust ducts Recirculation Mode In recirculation mode the supply motor continues to run and a damper moves to block off air entering from outside drawing air instead from the conditioned space The exhaust to outside motor is OFF when in recirculation mode NOTE Defrost light is illuminated during Recirc...

Page 19: ...tside and is not intended as an air condition ing unit for the space The coil must be connected to an outdoor condensing unit this unit or it s controls are not provided by NUTECH Special care and atten tion should be given to ensure the Model 1000RHCAC is set to high speed during air condi tioning mode to avoid the coil from freezing up DISCLAIMER The Model 1000RHC and RHCAC is intended to be ins...

Page 20: ...nd one foot upstream of any elbows or bends These are recommended distances but the actual installation may limit the amount of straight duct The Pitot tube should be connected to a magnehelic gauge or other manometer capable of reading from 0 to 0 25 in 0 62 Pa of water prefer ably to 3 digits of resolution The tube coming out of the top of the pitot is connected to the high pressure side of the ...

Page 21: ...e used to put oil inside the tubes A couple of drops of oil once a year will do DO NOT OVER OIL HRV Core The heat exchange core is accessible through the front service door Special care and attention should be given to this component as the edges may be sharp and the core itself susceptible to damage if dropped When removing the core the location it is removed from should be noted The core is remo...

Page 22: ... amount of time Note if the water does not drain right away check for blockage in the drain line also check that the drain line has a good slope to it 1 8 1 4 per foot The drain line itself should have a P trap in it below the HRV which is to be filled with water to prevent odours or gases from entering back into the unit When flushing out the drain pans this too will be flushed out and the water ...

Page 23: ...ck duct installation increase the speed of the HRV have contractor balance HRV locate the grilles high on the walls or under the baseboards install ceiling mounted diffuser or grilles so as not to directly spill the supply air on the occupant eg over a sofa turn down the HRV supply speed A small duct heater 1kw could be used to temper the supply air placement of furniture or closed doors is restri...

Page 24: ...HITE WHITE ORANGE ORANGE WHITE BLACK BLACK BROWN WHITE WHITE WHITE WHITE WHITE ORANGE ORANGE WHITE WHITE ORANGE ORANGE BLACK YELLOW ORANGE BROWN BLACK DOOR INTERLOCK SWITCH BLACK WHITE BLACK BLACK WHITE BLACK ORANGE ORANGE BLACK BLACK BLACK WHITE BLACK WHITE YELLOW YELLOW WHITE RED BLACK WHITE YELLOW ORANGE WHITE WHITE RED MOTOR BLOCK TRANS FORMER TERMINAL BLOCK 120 VOLT COIL 120V RELAY DEFROST TI...

Page 25: ... Blvd London Ontario N5W 4C8 519 457 1904 or fax 519 457 1676 to find the name of your nearest dealer in order to repair the product The labour required to install any replacement part s shall be dealt with at the option of the customer in either of the following ways a the customer may supply labour at their own expense or b if the product was purchased from a dealer then the dealer will supply l...

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Lifebreath 1000RHC, Operation And Installation Manual, Page: 8 / 26

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