AprilAire 8145NC Installation Manual

Page 2 - TABLE OF CONTENTS; Testing ODT Sensor Resistance 14; SPECIFICATIONS

TABLE OF CONTENTS SPECIFICATIONS 2 SAFETY INSTRUCTIONS 3 INTRODUCTION AND COMPLIANCE STATEMENT 3 INSTALL ELECTRICAL OUTLET 4 VENTILATOR LOCATION AND ORIENTATION 4 MOUNT THE VENTILATOR 4 MOUNT INTAKE HOOD 5 INSTALL DUCTWORK 5 MODEL 8145NC INSTRUCTIONS 6 Wiring to Various Controls 6Test Mode 6Sequence...

Page 4 - accessible opening of the duct.; MOUNT THE VENTILATOR

INSTALL ELECTRICAL OUTLET Install a standard NEMA 5-15 receptacle suitable for the location, near where the ventilator will be installed. The ventilator comes equipped with a 6-foot power cord with a standard 3-prong plug VENTILATOR LOCATION AND ORIENTATION If the outlet of the ventilator is not duc...

Page 5 - TYPICAL BASEMENT INSTALLATION; TYPICAL ATTIC INSTALLATION; MOUNT INTAKE HOOD; return side; IMPORTANT

AIR FLOW FRESH AIR TYPICAL BASEMENT INSTALLATION FRESH AIR AIR FLOW AIR FLOW TYPICAL ATTIC INSTALLATION A G G I D E F E F C H B C H B 90-2514 FIGURE 6: DUCTING IN UPFLOW AND HORIZONTAL HVAC SYSTEMS MOUNT INTAKE HOOD Install a weather tight hood with a bird screenCut a hole in the exterior wall that ...

Page 6 - THERMOSTAT; TEST MODE

MODEL 8145NC INSTRUCTIONS WIRING TO VARIOUS CONTROLS SUGGESTED CONTROLS • AprilAire IAQ Control Models 8910, 8910W or 8920W• AprilAire Thermostat Models S86NMUPR or S86WMUPR• AprilAire Model 8120X Digital Ventilation ControllerSelect the diagram that corresponds to the control to be used Wire the co...

Page 7 - WIRING THE CONTROL TO THE HVAC SYSTEM; NOTICE; Disconnect power to HVAC system during wiring to avoid

C B A VENTILATION CONTROL R C Y W G R C Y W G THERMOSTAT WIRE NUT (FIELD SUPPLIED) R C Y W O GS GH FURNACE R & C = 24 VAC Y = COOLING W = HEAT GS = FAN INPUT GH = FAN OUTPUT VENT ODT VENTILATION CONTROL R C Y W1 G R C Y W G HEAT PUMP THERMOSTAT WIRE NUT (FIELD SUPPLIED) O R & C = 24 VAC Y = ...

Page 9 - Before setting up the control for use, the amount of; Select; Menu Item

3 2 2 1 Hold for 5 seconds 1 Hold for 5 seconds TEST MODE After wiring and set up have been completed, Test Mode can be used to verify that all components in the ventilation system function and that wiring to the HVAC system fan is correct SET UP NOTICE Before setting up the control for use, the amo...

Page 10 - The 8145 control senses the temperature and humidity of; MEAS; Minutes per Hour = 60; Required Continuous CFM

TABLE 2: SET UP MENU Menu Item Values Description HP °F CODE NO.OF BEDROOMS HIGH OFF, 85°F to 105°F Ventilation high temperature limit. Ventilation is limited when the outdoor temperature exceeds the setting. Turn OFF if no high limit is desired HP °F COMFORT HOUSE (FT 2 ) LOW OFF, -10°F to 40°F Ven...

Page 11 - MEASURE DELIVERED AIRFLOW; TABLE 3

SEQUENCE OF OPERATION “CODE” SETTING The control will turn on ventilation with a heating, cooling or fan call for the set number of minutes during a one-hour cycle period • If outdoor temperature is above the high temperature limit, ventilation will not occur with a call for cooling or fan call. • I...

Page 12 - VENTILATION CONTROLLER

FILTER CLEANING Normally, the fresh air filter will need to be removed and cleaned every six months, but check it after the first three months following installation to determine if more or less frequent cleaning will be necessary. After cleaning the filter inside the ventilator, clean off the scree...

Page 13 - TROUBLESHOOTING; TROUBLESHOOTING GUIDE; Code

TROUBLESHOOTING TABLE 4: TROUBLESHOOTING GUIDE Code Explanation Correction E1 Sensor failure. Non-recoverable fault. Not field-correctable. Call technician to inspect HVAC equipment for damage If no damage found, power cycle the control/unit. If error code does not resolve itself, replace control E2...

Page 15 - LIMITED WARRANTY

LIMITED WARRANTY Terms of Coverage Your AprilAire® Ventilator is expressly warranted to be free from defects in materials or workmanship for five (5) years from date of purchase. What Is Covered The exclusive obligation of AprilAire under this Limited Warranty shall be, at the sole discretion of Apr...