Aprilaire 8620 installation instructions System test Tables, Set to

Setup & Testing

System test menu (CONTINUED)

Each equipment test will begin with the selection of turning on the output or stage as shown below..

Press or to change the selection..

Press [NEXT] to accept the selection and proceed to the next step.

If YES is selected, the thermostat will test the corresponding output. If NO is selected, the thermostat will proceed to the next step.

Temperature	Humidity
	Outdoor
Equipment Test	Temperature
Selection
	Test to be run

While the equipment test is active the corresponding test information will be shown..

Press [NEXT] to accept the selection and proceed to the next test selection.

	Humidity
Temperature
	Outdoor
	Temperature
Equipment Test	Output StatuS
Selection
	Test that
	is active

Setup & Testing

System test TABLES

Heat / Cool Heating Equipment Test

Heat Type

W

W2

Y

Y2

G

Gas

1st Stage Test

ON

Gas

2nd Stage Test

ON

ON

Electric

1st Stage Test

ON

ON

Electric

2nd Stage Test

ON

ON

ON

Heat Pump Heating Equipment Test (Electric Heat)

Compressor

Aux

O/B set to

Stages

Stages

W

W2

Y

Y2

O

B

G

1

1

1st Stage Test

ON

ON

ON

1

1

2nd Stage Test

ON

ON

ON

ON

2

1

1st Stage Test

ON

ON

ON

2

1

2nd Stage Test

ON

ON

ON

ON

2

1

3rd Stage Test

ON

ON

ON

ON

ON

1

2

1st Stage Test

ON

ON

ON

1

2

2nd Stage Test

ON

ON

ON

ON

1

2

3rd Stage Test

ON

ON

ON

ON

ON

2

2

1st Stage Test

ON

ON

ON

2

2

2nd Stage Test

ON

ON

ON

ON

2

2

3rd Stage Test

ON

ON

ON

ON

ON

2

2

4th Stage Test

ON

ON

ON

ON

ON

ON

Note: System Variable 31, O/B operation selects O or B.

Heat Pump Heating Equipment Test (Gas Heat)

Compressor

Aux

O/B set to

Stages

Stages

W

W2

Y

Y2

O

B

G

1

1

1st Stage Test

ON

ON

ON

1

1

2nd Stage Test

ON

ON

2

1

1st Stage Test

ON

ON

ON

2

1

2nd Stage Test

ON

ON

ON

ON

2

1

3rd Stage Test

ON

ON

1

2

1st Stage Test

ON

ON

ON

1

2

2nd Stage Test

ON

ON

1

2

3rd Stage Test

ON

ON

ON

2

2

1st Stage Test

ON

ON

ON

2

2

2nd Stage Test

ON

ON

ON

ON

2

2

3rd Stage Test

ON

ON

2

2

4th Stage Test

ON

ON

ON

Note: System Variable 31, O/B operation selects O or B.

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