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OUTLET COLLAR
SAFETY INSTRUCTIONS
1. 120 Volts may cause serious injury from electric shock. Disconnect
electrical power before starting installation or servicing. Leave power
disconnected until installation/service is completed.
2. Sharp edges may cause serious injury from cuts. Use care when
cutting plenum openings and handling duct work.
TABLE OF CONTENTS
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Introduction and Compliance Statement . . . . . . . . . . . . . . . . . . . . . . . .2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Install Electrical Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Ventilator Location and Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Mount the Ventilator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Mount Intake Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Install Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Model 8142A Fresh Air Ventilator
Installation and Operating Instructions
MOUNTING BRACKET
WARNING
READ AND SAVE THESE INSTRUCTIONS
VENTILATION CONTROLLER
1. Read all instructions before beginning
installation.
2. Improper installation may cause property
damage or injury. Installation, service,
and maintenance must be performed by a
qualified service technician.
Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Set Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Determine Ventilation Time Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Start Up and Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
INLET COLLAR
CAUTION
1
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Summary of Contents for Aprilaire 8142A
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Page 1: Table Of Contents
Model 8142A Fresh Air Ventilator Installation and Operating Instructions OUTLET COLLAR MOUNTING BRACKET VENTILATION CONTROLLER INLET COLLAR SAFETY INSTRUCTIONS WARNING CAUTION 1. 120 Volts may cause serious injury from electric shock. Disconnect 1. Read all instructions before beginning electrical power before starting installation or servicing. Leave power installation. -
Page 2: Introduction And Compliance Statement
INTRODUCTION AND COMPLIANCE STATEMENT The Aprilaire Model 8142A Fresh Air Ventilator is designed to bring in precisely the right amount of outdoor air into today’s efficiently designed ® homes . Duct the inlet of the ventilator to an outdoor air intake and duct the discharge to the HVAC system and then simply plug the unit in, set the amount of needed ventilation and select the desired temperature limits . -
Page 3: Ventilator Location And Orientation
VENTILATOR LOCATION AND ORIENTATION Choose a location for the ventilator that is within 6 feet of the outlet into which the ventilator will be plugged . The ventilator must be installed with the round inlet duct collar facing up or down, or the oval outlet collar must face up . DO NOT install with the outlet collar positioned as shown in Figure 2E or 2F, or the integral backdraft damper will not function properly . -
Page 4: Mount Intake Hood
MOUNT INTAKE HOOD Install a weather tight hood with a bird screen . Cut a hole in the exterior wall that is large enough to fit 6” insulated flexible duct through with minimal compression of the insulation . Pull the duct through the hole and attach the flex duct to the collar of the hood . -
Page 5: Wiring
WIRING The ventilator will turn on when the HVAC equipment is running to distribute the fresh air to the home . When ventilation is needed but the HVAC system is not running, the ventilator can turn on the HVAC system blower . Run a 5-wire thermostat cable from the ventilator to the HVAC system control . -
Page 6: Test
SET UP The control can be set up to prevent ventilation during the hottest or FIGURE 10 – Setting Temperature Limits coldest periods of the day . When the outdoor temperature exceeds the high value or falls below the low value, ventilation will stop and additional ventilation will be brought in at a later time –... -
Page 7: Start Up And Sequence Of Operation
MEASURE VENTILATION AIR (CFM) DELIVERY RATE AND 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 3 . For example if the ventilator is providing 120 CFM, and the requirement is 70 CFM, set the time to 35 minutes . -
Page 8: Troubleshooting
WARRANTY REGISTRATION Visit us on-line at www.aprilaire.com to register your Aprilaire product . If you do not have on-line access, please mail a postcard with your name, address, phone number, email address, product purchased, model number, date of purchase and dealer name and address to: Research Products Corporation, P.O.
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