Aprilaire 8476 System setup instructions continued, System setting, Fahrenheit, No offset applied

Models: 8476

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System setup instructions (continued)

Setup & Testing

System setup instructions (continued)

The Model 8476 thermostat has the option of being used in heat pump or heat/cool systems. Switch SW1 located on the back of the thermostat’s face is used to select this. System setting number 00 will only be shown on these models to display the position of SW1..

SW1

HEAT PUMP

HEAT/COOL

Setup & Testing

System setup instructions (continued)

System setting

Setting range, default in bold

 

 

 

 

00

Equipment type (Set by SW1)

0

: heat/cool

1

: heat pump

 

 

01

Temperature scale

0

: Fahrenheit

1

: Celsius

 

 

 

 

 

 

02

Fan control in heating

0

: Gas or oil furnace (Equipment controls fan)

1

: Electric (Thermostat controls fan)

 

 

03

Offset temperature for internal sensor

0° : No offset applied

–4°F to +4°F (–2°C to +2°C)

 

 

 

 

 

 

04

Auto mode

0

: Auto mode is disabled

1

: Auto mode is enabled

 

 

 

 

 

 

05

Outdoor temperature sensor

0

: No outdoor temperature sensor attached

1

: Outdoor temperature sensor attached

 

 

 

 

 

06

Compressor minimum off time

5 minutes

1 to 5 minutes in 1 minute steps

 

 

 

 

 

07

Heating minimum off time

2 minutes

1 to 5 minutes

 

 

08

Equipment minimum on time

2 minutes

1 to 5 minutes

 

 

 

 

 

 

10

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Aprilaire 8476 System setup instructions continued, System setting, Setting range, default in bold, Fahrenheit, minutes