Aprilaire Installing the Model 8336 Thermostat, Remove the cover using a coin or screwdriver

Page 3

4.After labeling wires, remove wires from terminals.

5.Remove existing thermostat base from wall.

6.Refer to the following section for instructions on how to install thermostat.

Figure 1

Installing the Model 8336 Thermostat

NOTE: For new installations, mount thermostat on inside wall, 4-5 feet above the floor. Do not install behind a door, in a corner, near air vents, in direct sunlight, or near any heat or steam generating fixtures. Installation at these places will affect thermostat operation.

1.Turn power off to the heating and cooling systems.

2.Place COOL-OFF-HEAT-EM In OFF position.

COOL-OFF-HEAT-EM

>

>

COOL-OFF-HEAT-EM FAN: AUTO - ON AUX CHECK EMER

3.Place FAN: AUTO-ON switch Into AUTO position.

4.Remove the cover using a coin or screwdriver.

FAN: AUTO - ON

Figure 2

3

Page 2 Page 4
Image 3
Page 2 Page 4
Contents
Model Replacing Existing Thermostat FeaturesRemove the cover using a coin or screwdriver Installing the Model 8336 ThermostatMounting Holes Mark placement of mounting holes. See . Set base asideSwitch Or button Changing Temperature DifferentialOperation At the same time and hold for one secondShould turn off Put the COOL-OFF-HEAT-EM switch into the Heat positionTo Test Thermostat Few secondsLED Indicators TroubleshootingChanging Fahrenheit F to Celsius C If problems with thermostat cannot be solved, call Aprilaire Model 8336 Heat Pump Thermostat Wiring DiagramsCYC Series Heat Pump Systems Heat Pump Systems Weathertron Lennox LOW Voltage Terminal Board Lennox LOW Voltage Terminal Board Limited Warranty