Aprilaire 8145A Installation And Operating Instructions Manual Download | Manualshive

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VENTILATION CONTROLLER

FILTER COVER

LOW PRESSURE PORT

LOW PRESSURE PORT

HIGH PRESSURE PORT

HIGH PRESSURE PORT

INLET COLLAR AND

NORMALLY CLOSED

POWER DAMPER

INLET COLLAR AND

NORMALLY CLOSED

POWER DAMPER

OUTLET COLLAR

OUTLET COLLAR

SURFACE MOUNT

BRACKET LOCATION

JOIST MOUNT

BRACKET LOCATION

INSTALLATION & OPERATING

INSTRUCTIONS

Model 8145A

Fresh Air Ventilator

Ventilation

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Summary of Contents for 8145A

Page 1: ...PORT HIGH PRESSURE PORT HIGH PRESSURE PORT INLET COLLAR AND NORMALLY CLOSED POWER DAMPER INLET COLLAR AND NORMALLY CLOSED POWER DAMPER OUTLET COLLAR OUTLET COLLAR SURFACE MOUNT BRACKET LOCATION JOIST MOUNT BRACKET LOCATION INSTALLATION OPERATING INSTRUCTIONS Model 8145A Fresh Air Ventilator Ventilation ...

Page 2: ...2 Improper installation may cause property damage or injury Installation service and maintenance must be performed by a qualified service technician TABLE OF CONTENTS Safety Instructions 2 Introduction and Compliance Statement 3 Specifications 3 Install Electrical Outlet 4 Ventilator Location and Orientation 4 Mount the Ventilator 5 Mount Intake Hood 6 Install Ductwork 6 Wiring the Control to the ...

Page 3: ... Fresh Air Ventilator will meet the mechanical ventilation requirements of Energy Star Certified Homes EPA Indoor airPLUS 2012 2018 International Residential Code IRC 2012 2018 International Energy Conservation Code IECC California Energy Commission Title 24 ASHRAE Standard 62 2 2010 ASHRAE Standard 62 2 2013 2016 SPECIFICATIONS TABLE 1 SPECIFICATIONS External Static Pressure w c Airflow CFM Effic...

Page 4: ...ount the blower at least 3 3 feet 1 0 m from any accessible opening of the duct Choose a location for the ventilator that is within 6 feet of the outlet into which the ventilator will be plugged Allow space for filter removal and service as shown in FIGURE 2 The ventilator can be mounted in any orientation 12 FILTER ACCESS 24 FAN ACCESS 90 2514 FIGURE 2 CLEARANCES FOR SERVICING INSTALL ELECTRICAL ...

Page 5: ...into the proper locations as shown in FIGURE 4 Use the mounting locations nearest the cover for mounting between floor joists or hanging from rafters Use the mounting locations near the bottom of the unit for surface mounting i e to a flat wall ceiling surface or bottom of joists 3 Screw the ventilator brackets into joists or a strong platform using the 10 x 3 4 screws provided The ventilator weig...

Page 6: ...the hood with caulk INSTALL DUCTWORK Install 6 diameter flexible insulated duct from the round inlet collar of the unit to the intake hood and from the oval outlet collar of the unit to the HVAC system Duct the outlet of the ventilator to the return side of the HVAC system refer to FIGURE 5 IMPORTANT The end of the insulation must be sealed to prevent condensation from forming inside the insulatio...

Page 7: ...T W G VENT GF R C W Y G R C W Y G THERMOSTAT HVAC SYSTEM CONTROL WIRE NUT FIELD SUPPLIED EXISTING WIRE NEW WIRING GF VENT G W ODT NOT USED C R VENTILATION CONTROL R C W Y G G Y W C R THERMOSTAT HVAC SYSTEM CONTROL EXISTING WIRE NEW WIRING 90 2714 FIGURE 6 REMOVE CONTROL KNOB AND COVER FIGURE 7 PREFERRED VENTILATOR TURNS ON THE HVAC SYSTEM BLOWER AS NEEDED DO NOT REMOVE THE PRE INSTALLED YELLOW OR ...

Page 8: ...ink and show the firmware revision level Return the knob to the OFF position until the desired Time Setting is determined R C ODT W G VENT Gf 90 2005 FIGURE 9 ADJUST HIGH LOW TEMPERATURE LIMIT SET UP The control can be set up to prevent ventilation during the hottest or coldest periods of the day When the outdoor temperature exceeds the high value or falls below the low value ventilation will stop...

Page 9: ... the cover of the ventilator or TABLE 2 to convert the pressure reading to delivered airflow If the pressure reading falls between listed values either use the lower value or interpolate between values CFM Lower Value Higher Value Lower Value 10 Pressure Reading Lower Value Pressure The following is an example a Measured Pressure Reading is 0 34 w c b TABLE 2 lists 200 CFM 0 3 w c and 170 0 4 w c ...

Page 10: ...SELECT VENT TIME 1 Measure the outdoor air flow CFM through the duct that is bringing in only outdoor air 2 Use the CFM Delivered along with the CFM required to find the Cycle Time per hour setting from TABLE 4 For example if the ventilator is providing 120 CFM and the requirement is 70 CFM set the time to 35 minutes 3 Use the control knob to set the vent time to the determined minutes per hour NO...

Page 11: ...four hours When the ventilator starts again it will sample the air temperature and if in range will meet the set amount of ventilation during the four hour cycle period For example if the Vent Time was set to 25 minutes per hour and the first time the ventilator came on it measured an air temperature above the high limit setting it would turn off after five minutes The control will automatically c...

Page 12: ...S VOID DUE TO FAILURE TO USE A QUALIFIED CONTRACTOR ALL DISCLAIMERS OF IMPLIED WARRANTIES SHALL BE EFFECTIVE UPON INSTALLATION Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above exclusion or limitations may not apply to you This warranty gives you specific legal rights and you may also have o...

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