Aprilaire 8052 User Manual

Model 8052 Temperature Sensor
Installation Instructions
The Aprilaire® Model 8052 temperature sensor can be used
with Aprilaire thermostats, support modules, zone controls
and the Home Comfort Control™.
INSTALLATION INSTRUCTIONS
STEP 1 – INSTALL SENSOR BASED ON THE APPLICATION
Return Air Temperature
• LocatetheAprilaireModel8052sensorinthereturnat
least 6" upstream from the fresh air intake so the fresh air
does not influence the sensor reading (see FIGURE 2).
• Drilla3/8"holeintheductandmountthesensorwiththe
supplied screw and mounting bracket (see FIGURE 1).
Leaving Air Temperature
• LocatetheAprilaireModel8052sensorinthesupplytrunk,
after the heat exchanger and cooling coils (see shaded
area in FIGURE 2).
• Shieldormountawayfromdirectradiationsourcessuchas
sunlight, UV lights, heat exchangers or cooling coils.
• Drilla3/8"holeintheductandmountthesensorwiththe
supplied screw and mounting bracket (see FIGURE 1).
Outdoor Temperature
• LocatetheAprilaireModel8052sensoronthesideofthe
building out of direct sunlight (see FIGURE 3).
• Placeabovethesnowline.
• Placeatleast3'awayfromexhaustventsandcondensing
lines.
• Donotinstallinsideoutdoorcondensingunit.
Remote Radiant Heat
• LocatetheAprilaireModel8052sensorinaradiantfloor
system.
3/8" DIAMETER HOLE
DUCT SENSOR PROBE
SUPPLIED WIRE NUTS
SUPPLIED #8
SHEET METAL SCREW
90-630
FIGURE 1
NORTH, EAST
OR WEST SIDE
OF HOME
TEMPERATURE
SENSOR LEADS
ABOVE EXPECTED
SNOW LINE
TEMPERATURE
SENSOR
SENSOR
SENSOR
BRACKET
90-998
FIGURE 3
6" MIN.
FRESH AIR INTAKE
SUPPLY DUCT
RETURN DUCT
RETURN AIR LOCATION
LEAVING AIR
LOCATION
NOTE: THE EXAMPLE SHOWN
IS FOR AN UPFLOW FURNACE.
90-2039
FIGURE 2
1

Aprilaire 8052 Specifications

General

Brand	Aprilaire
Model	8052
Category	Temperature Controller
Language	English

Summary

Installation Instructions

Return Air Temperature

Install sensor in return air duct at least 6" upstream from fresh air intake.

Leaving Air Temperature

Install sensor in supply trunk after heat exchanger/cooling coils, away from radiation sources.

Outdoor Temperature

Mount sensor on building side, out of direct sunlight, above snow line, away from exhaust.

Remote Radiant Heat

Install sensor in a radiant floor system.

Disconnect Power

Verify Sensor Resistance

Sensor Specifications

Specifies sensor resistance at 77°F (25°C) as 10 kΩ with a ±3% tolerance.

Wire Sensor to Control

Wiring Guidelines

Use 18-22 awg wire, keep wire runs under 300', avoid routing near 120VAC lines.

Terminal Connections

Sensor is not polarity specific; connection terminals depend on the Aprilaire control model.

Reconnect Power