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Model 8100 Energy Recovery Ventilator
Installation Instructions
SAfETy INSTRUCTIONS
WARNING
1. Risk of property damage, injury or death. Installation, service, and maintenance must be performed by a qualified service
technician.
2. 120 V olts may cause serious injury from electric shock. Disconnect electrical power before starting installation or servicing.
Leave power disconnected until installation/service is completed.
3. The unit must be mounted in an upright position. Do not mount the u
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SpECIfICATIONS Dimensions Unit – 37-7/16” W x 12-3/4” D x 20-9/16” H EnergyMax Transfer Core – 12-1/8” x 12-1/8” x 10-3/4” Weight 75 lbs . performance 77% Apparent Sensible Effectiveness (ASE) At rated ventilation capacity with 72°F indoor temperature and 32°F outdoor temperature . Capacity Maximum home size per ASHRAE Standard 62 .2-2010* with continuous operation at rated airflow: 2 2 2 4-5 bedrooms – 7,500 ft , 6-7 bedrooms – 6,000 ft , 7+ bedrooms – 4,500 ft . *No infiltration credit a
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lOCATION CONSIDERATIONS 1 . Install Unit Indoors: It is recommended that the Model 8100 ERV be mounted in a conditioned space . If the unit is mounted in an area where the temperature may drop below 32°F or exceed 100°F, all duct work in the unconditioned space must be insulated . 2 . Mounting: The recommended mounting location is on the basement foundation wall, or a stud wall with easy access to the HVAC system . The unit may also be mounted to basement ceiling joists . 3 . Mounting Kit:
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MECHANICAl INSTAllATION WAll MOUNT fIGURE 4 – Removing Core and filters The unit can be mounted on a concrete wall or on a stud wall . The mounting bracket is pre-drilled for fastening to standard 16” O .C . or 24” O .C . stud spacing . Remove the access panel, EnergyMax Transfer Core, and air filters for installation . 1 . Remove the access panel, EnergyMax T ransfer Core and filters . (See figure 4 .) 2 . f or Stud Wall: Fasten the supplied mounting bracket to the wall using the supplied l
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MECHANICAl INSTAllATION (CONTINUED) CEIlING MOUNT fIGURE 9 – Removing Core and filters The unit can be mounted on ceiling joists . The mounting bracket is pre-drilled for fastening to standard 16” O .C . or 24” O .C . ceiling joists . Remove the access panel, EnergyMax Transfer Core, and air filters for installation . CAUTION: Do not mount the ERV to ceiling I-beam wood trusses. 1 . Remove the access panel, EnergyMax T ransfer Core and filters . (See figure 9 .) 2 . Fasten the supplied moun
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MECHANICAl INSTAllATION (CONTINUED) DUCTING DUCT WORK SpECIfICATIONS • Plan on temporarily installing two air flow measuring devices. The system will have to be balanced (bAlANCING THE SySTEM SECTION), after all duct work has been installed . The measuring devices are removed after the system has been balanced . • A sound absorber at least 6 ft. long, consisting of 1” thick rigid fiberglass duct or insulated flexible duct is recommended for maxim
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MECHANICAl INSTAllATION (CONTINUED) DUCTING (CONTINUED) RETURN: fROM lIVING SpACE TO ERV • Stale air from the house should be exhausted from one exhaust grille centrally located, such as a hallway . For multi-floor homes, the exhaust grille should be located on the same floor as the kitchen . • T o keep the core free of grease, the ERV duct work must not be connected to a kitchen exhaust fan duct. • The ERV duct work should remain
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MECHANICAl INSTAllATION (CONTINUED) DUCTING (CONTINUED) • The intake and exhaust hoods must be located at least 10 ft. apart to avoid cross contamination . (See figure 18 .) fIGURE 18 – Intake and Exhaust Hoods • Intake and exhaust hoods should be above the exposed snow INTAKEEXHAUST line or a minimum of 18” above ground level, whichever is greater . (See figure 18 .) 10 FT MINIMUM • The intake hood should be a minimum of 10 ft. from an appliance 18 INCHES v
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bAlANCING THE SySTEM (CONTINUED) bAlANCING AIRflOW 1 . Drill a 7/8” hole in the return and supply ducts . 2 . Install the two airflow measuring devices in the duct using the drilled holes and seal with tape . Verify the airflow arrows are pointed in the direction of airflow . The measuring devices should be a minimum of 2-1/2’ from the damper in a 5’ section of straight duct . (See figure 19 .) 3 . Set up the pressure gauges so that they are vertical and level and adjust to zero . 4 . Conn
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SySTEM START-Up The Energy Recovery Ventilator has an on/off switch which enables the unit to be constantly on . There is also wiring access and wire leads ™ available in the unit for connection to the Aprilaire Home Comfort Control , Aprilaire Model 8120 Ventilation Controller, or any third-party 24VAC, dry contact, normally open external control to allow the unit to provide fresh air when needed in accordance with the 62 .2-2010 ASHRAE Standard . The 62 .2-2010 ASHRAE Standard uses home siz
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SySTEM START-Up (CONTINUED) Table 2 – Ventilation Air Requirements, CfM Number of bedrooms 2 Home Size (ft ) < 2 2 - 3 4 - 5 6 - 7 > 7 ≤ 1500 30 45 60 75 90 1501 – 3000 45 60 75 90 105 3001 – 4500 60 75 90 105 120 4501 – 6000 75 90 105 120 135 6001 – 7500 90 105 120 135 150 > 7500 105 120 135 150 165 Table 3 – Cycle Time Setting (minutes) CfM Required (from Table 2) CfM Delivered (refer to Table 1) 20 30 40 50 60 70 80 90 100 110 120 100 15 20 25 30 35 40 50 55 60 120 10 15 20 25 30 35 40 45 50
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TROUblESHOOTING Technical Support is available Monday through Friday, 7:00 a .m . to 5:00 p .m . CST, at (800) 334-6011 . Use the guide below to help find and correct system faults and then contact Technical support before replacing the unit or components or for additional troubleshooting . Table 4 – Troubleshooting Guide Symptom possible Reason Troubleshooting procedure ERV will not turn on . No power to blower . • Check that the ERV is plugged in. • Check that the power
