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LE6XRT ERV

1.800.627.4499

INSTALLATION, OPERATION AND MAINTENANCE MANUAL

RENEWAIRE.COM

In the unlikely event that factory assistance is ever required, information located on the unit label will

be needed.

UNIT INFORMATION

IMPORTANT USER INFORMATION

SAVE THIS MANUAL

IMPORTANT

This manual contains space for maintaining written records of unit maintenance and / or repairs.

See Section 11.9, Maintenance Records. At the time the ERV is commissioned, a maintenance

schedule should be developed by the user to incorporate monthly and seasonal maintenance and

include start-up maintenance tasks as described in this manual.

If this unit is installed in an area where it may draw air from a nearby fuel-burning device such as

a gas furnace or water heater, verify that the air being extracted by the ERV does not conflict with

proper operation of the fuel-burning device.

This unit can be delivered in two modules for on-site assembly or as a completely assembled unit

(additional charges apply).

See separate SHIPPING & RIGGING manual for information on shipping considerations, rigging,

moving and lifting the unit as separate modules or as a complete unit.

Configuration (Option) Code

Unit Label (typical)

Содержание LE6XRTH

Страница 1: ...INSTALLATION OPERATION MAINTENANCE MANUAL ENERGY RECOVERY VENTILATOR RENEWAIRE COM LE6XRT Model LE6XRTH Shown also available as separate modules for field assembly...

Страница 2: ...MOVING PARTS Disconnect all local and remote power supplies verify with a voltmeter that electric power is off and all fan blades have stopped rotating before working on the unit Do not operate this u...

Страница 3: ...ped by the user to incorporate monthly and seasonal maintenance and include start up maintenance tasks as described in this manual If this unit is installed in an area where it may draw air from a nea...

Страница 4: ...20 6 5 WIRING SCHEMATICS 21 6 6 CONTROL CONNECTIONS 23 7 0 CONTROL CONTRACTOR INFORMATION 23 7 1 24 VAC CLASS II POWER SUPPLY 23 7 2 MOTOR PROTECTION 24 7 2 1 Units Equipped with Motor Starters 24 7 2...

Страница 5: ...Wall Mount Occupancy Sensor 15 LE6XRT Corner Weights 16 Double Flange Duct Connection 19 E Box Main Disconnect Switch 20 E Box with Knockouts on Bottom 20 E Box Low Voltage Terminal Strip 20 24 VAC Po...

Страница 6: ...rstream Disconnect Digit 20 N Non Fused Standard F Fused Unit Control Enhancements Digit 21 T Transformer with Isolation Relay Standard 1 Enhanced Controls 2 Premium Controls 3 Enhanced Controls with...

Страница 7: ...8 970 4 0 1010 4 2 1050 4 5 1090 4 7 1140 5 0 1180 5 3 1230 5 6 1290 5750 4 0 970 4 2 1000 4 4 1040 4 6 1080 4 9 1120 5 1 1160 5 4 1200 5 7 1250 6 0 1300 6000 4 4 1000 4 6 1030 4 8 1070 5 0 1100 5 3 1...

Страница 8: ...6 1 8 X 19 1 2 Opening RA 24 X 32 Opening RA Damper Location Optional 115 1 4 O D 64 1 4 O D 3 60 1 2 I D 17 1 4 33 20 25 9 1 2 A A TOP VIEW CURB LE6X FA RA 1 7 8 3 14 SECTION A A CURB CROSS SECTION A...

Страница 9: ...ng Door Swing Door Swing Door Swing OA OA EA FA RTF 16 1 8 X 19 1 2 Opening 115 1 4 O D 64 1 4 O D 3 60 1 2 I D 17 1 4 33 20 25 9 1 2 A A TOP VIEW CURB LE6X FA RA 1 7 8 3 14 SECTION A A CURB CROSS SEC...

Страница 10: ...LE6XRTV All four models are intended for rooftop or outdoor installation and will generally be in stalled on a curb or equipment rails All four models differ from each other in the locations of the a...

Страница 11: ...unit FA Fresh Air to inside EA Exhaust Air to outside RA EA FA LE RTV LE RTR LE RTF LE RTH OA RA EA OA RA EA FA OA EA OA FA RA FA LE RT Configurations_DEC15 dwg LE6XRTR Duct Configuration LE6XRTV Duc...

Страница 12: ...of the Configuration Code Dampers are specified by the customer at time of order Order options are None Dampers both airstreams Damper EA RA airstream Damper FA OA airstream See digit 18 of the Confi...

Страница 13: ...tivate the unit at user selected times When optional VFDs are ordered and there is no microprocessor controller the optional CO2 sensor or the optional IAQ sensor may be wired directly to the VFD prod...

Страница 14: ...en wired to the ERV low voltage terminal strip each device functions as an ON OFF switch for the ERV but they will not modulate the ERV All of the optional control accessories shown in this section ma...

Страница 15: ...at are equipped with a VFD See the description in Section 2 7 Controls It uses 0 84 VA 2 8 4 Motion Occupancy Control 2 8 5 Smoke Detector A motion occupancy sensor is available as an optional control...

Страница 16: ...LR RR RF ADDITIONAL WEIGHTS FOR OPTIONS lbs Double Wall 418 105 104 104 105 12 10 1 0 1 47 11 1 10 25 58 2 2 27 27 VFDs RA or EA Damper OA or FA Damper Total Selected Weights Add the additional weight...

Страница 17: ...Corner Weights in this manual 4 1 1 Unit Dimensions and Weight 4 1 2 Shipping Dimensions and Weight Upon delivery of the ERV inspect it carefully for shipping damage and completeness Verify the pres e...

Страница 18: ...by others There are a number of situations that may demand relocation The outside air intake must be at least 10 away from exhausts such as dryer vents chimneys furnace and water heater exhausts or o...

Страница 19: ...duct The ducts connecting to the outlets should be straight for a sufficient distance with gradual transitions to the final duct size These guidelines are consistent with SMACNA recommended duct layo...

Страница 20: ...be sure the voltage matches available utility power The line side of the disconnect switch contains live high voltage The only way to ensure that there is NO voltage inside the unit is to install and...

Страница 21: ...R BETWEEN TERMINALS 2 3 FACTORY SETTINGS Overload Relay Trip Settings Motor Nameplate FLA Overload Relay Mode Settings Manual position KEY FA Fresh Outside Air Blower EA Exhaust Air Blower FACTORY WIR...

Страница 22: ...ED JUMPER BETWEEN TERMINALS 2 3 FACTORY SETTINGS Overload Relay Trip Settings Motor Nameplate FLA Overload Relay Mode Settings Manual position KEY FA Fresh Outside Air Blower EA Exhaust Air Blower FAC...

Страница 23: ...n the unit s E Box The unit s power supply system includes isolation relays with contact ratings as low as 50 mA 1 2 VA It is also possible to operate the isolation relays with 24 VAC power from an ex...

Страница 24: ...BMS such as BACnet unless the unit is equipped with microprocessor controls The unit can be controlled by powered or non powered contacts operated by any kind of control system Units that are equipped...

Страница 25: ...TE Some units are equipped with only one VFD which controls a single motor The second motor without a VFD is then protected by an overload relay as described before External control wiring is to be te...

Страница 26: ...on relay for the RA EA blower Supply only 24 VAC not VDC from a Class II power source Use the schematic below if external control is to be applied using 24 VAC from the ERV power supply External contr...

Страница 27: ...Powered Relay Contacts Control with 2 ON Signals External Power Basic Sequence of Operation SOO Operating sequences are different depending on whether the unit is Controlled for simultaneous blower op...

Страница 28: ...through the blower s VFD If that blower is controlled by a motor starter it starts immediately Variable Frequency Drives VFDs When one or both of the blowers are factory provided with VFDs the respon...

Страница 29: ...d with the foam gasketing positioned toward the filter One filter retainer is used for each set of three filters positioned as shown in the installation instructions Proper installation of foam gasket...

Страница 30: ...pers should be tested at start up to verify that the dampers will open fully 9 2 1 Motor Starter Units Units without dampers both motors should begin running immediately Units with dampers dampers sho...

Страница 31: ...p After 30 days of operation Tighten all electrical connections paying special attention to VFD wiring if present Readjust the tension on motor drive belts Check the air filters as part of the normal...

Страница 32: ...west tension at which the belts will not slip under peak load operation For initial tensioning set the belt deflection at 1 64 inch for each inch of belt span measured half way between sheave centers...

Страница 33: ...he load on the bearing Grease is basically a carrier for specific oils that are needed for each application Greases are made with different thickeners and these thickeners are often incompatible with...

Страница 34: ...n on the lubrication schedule you have determined Inject the grease very slowly to avoid damaging the seals Remember that a grease gun can produce up to 15 000 pounds of pressure which can blow out se...

Страница 35: ...bearings is 3 6 months based on 1 000 to 2 000 hours of operation The recommended grease is Mobil Polyrex If Mobil Polyrex is not available use an NGLI 2 grease that is compatible with a lithium thic...

Страница 36: ...c cores for cleaning remove the air filters To clean enthalpic cores all exposed surfaces must be vacuumed with an attachment having long soft bristles The greatest buildup of dirt and dust will norma...

Страница 37: ...LE6XRT ERV 37 1 800 627 4499 INSTALLATION OPERATION AND MAINTENANCE MANUAL RENEWAIRE COM MAINTENANCE 10 8 SERVICE PARTS www renewaire com 800 627 4499 support renewaire com LE6XRT Service Parts...

Страница 38: ...ace significant weight on the plenum dividers They are not intended to be load bearing The fan and fan motor are part of an assembly that is mounted on a sled which is then installed in the ERV on vib...

Страница 39: ...draw six filters at once See image below When installing the filter spacers the foam strip is to be placed against the filter Note that when new filters are installed the filter spacers may tend to fa...

Страница 40: ...The differential static pressures DSP can be measured using the installed pressure test ports shown above Airstream pressure readings are to be taken across the cores by testing at diagonally located...

Страница 41: ...in an exposed position on the collar of the flange To adjust the flanges Remove the drive belt s Loosen the set screws on both adjustable flanges IN HALF TURN INCREMENTS turn the adjustable flanges in...

Страница 42: ...EWAIRE COM INSTALLATION OPERATION AND MAINTENANCE MANUAL 1 800 627 4499 42 MAINTENANCE 11 9 MAINTENANCE RECORDS FILTERS REPLACED DATE CORES CLEANED DATE AIR FILTER REPLACEMENT RECORD ENTHALPIC CORES C...

Страница 43: ...REQUIREMENTS REAR BEARING LUBE REQUIREMENTS MOTOR TYPE REQUIRED LUBRICANT from motor manufacturer s website FRONT BEARING LUBE REQUIREMENTS REAR BEARING LUBE REQUIREMENTS LUBRICATION PERFORMED DATE L...

Страница 44: ...ert workmanship and Quick Response Manufacturing QRM As the pioneer of static plate core technology in North America RenewAire is the largest ERV producer in the USA We re committed to sustainable man...

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