Value

 

 

 

 

Parameter Name

Default

Min.

Max.

Incr.

Dependency

Note

FURNACE

Heating indoor blower OFF delay

DIP SW

60

180

10 None

DIP switch setting in Non−comm.

Heating indoor blower ON delay

45

15

45

5

None

45 sec fixed in Non−Comm. IFC

 

 

 

 

 

 

 

Cooling indoor blower OFF delay

0

0

30

2

Outdoor Unit present

Not used on Non Com. IFC

 

 

 

 

 

 

 

Cooling indoor Blower ON Delay

2

0

10

1

Outdoor Unit present

2 sec fixed in Non−Comm. IFC

 

 

 

 

 

 

 

Heat pump indoor blower OFF delay

45

0

60

5

Heat Pump present

Not used on Non Com. IFC

 

 

 

 

 

 

 

Heat pump indoor blower ON delay

0

0

30

5

Heat Pump present

Not used on Non Com. IFC

 

 

 

 

 

 

 

 

 

 

 

Gas Heat Airflow Setting

 

 

 

 

 

 

 

 

 

Heating Airflow Control Type

0 – Fixed CFM

0

1

1

DATS installed

0 – Text ID 0x000E (Fixed CFM)

 

 

 

 

 

 

1 – Text ID 0x000F (Fixed DAT)

 

 

 

 

 

 

 

 

Low Heating Airflow (CFM @ 40% heat)

DIP SW

325

450

25

Heating Airflow Control Type = 0

70,000

BTU; 1/2 HP fan

 

 

 

 

 

 

 

 

 

 

500

675

25

 

90,000

BTU; 1/2 HP fan

 

 

 

 

 

 

 

 

 

 

425

625

25

 

90,000

BTU; 1HP fan

 

 

 

 

 

 

 

 

 

625

875

25

 

110,000 BTU; 1 HP fan

 

 

 

 

 

 

 

 

 

750

1025

25

 

135,000 BTU; 1HP fan

 

 

 

 

 

 

 

 

High Heating Airflow (CFM @ 100%

DIP SW

800

1100

25

Heating Airflow Control Type = 0

70,000

BTU; 1/2 HP fan

heat)

 

 

 

 

 

 

 

 

925

1250

25

 

90,000

BTU; 1/2 HP fan

 

 

 

 

 

 

 

 

 

 

 

 

 

1025

1425

25

 

90,000

BTU; 1HP fan

 

 

 

 

 

 

 

 

 

1350

1850

25

 

110,000 BTU; 1 HP fan

 

 

 

 

 

 

 

 

 

1500

2050

25

 

135,000 BTU; 1HP fan

 

 

 

 

 

 

 

 

Low Heating Discharge Air Temperature

DIP SW*

110

140

5

Heating Airflow Control Type = 1

70,000

BTU; 1/2 HP fan

(DAT @ 40% heat)

 

 

 

 

 

 

 

 

110

140

5

 

90,000

BTU; 1/2 HP fan

 

 

 

 

 

 

 

 

 

 

 

 

 

110

140

5

 

90,000

BTU; 1HP fan

 

 

 

 

 

 

 

 

 

110

140

5

 

110,000 BTU; 1 HP fan

 

 

 

 

 

 

 

 

 

110

140

5

 

135,000 BTU; 1HP fan

 

 

 

 

 

 

 

 

High Heating Discharge Air Tempera-

DIP SW*

120

150

5

Heating Airflow Control Type = 1

70,000

BTU; 1/2 HP fan

ture (DAT @ 100% heat)

 

 

 

 

 

 

 

 

130

160

5

 

90,000

BTU; 1/2 HP fan

 

 

 

 

 

 

 

 

 

 

 

 

 

120

150

5

 

90,000

BTU; 1HP fan

 

 

 

 

 

 

 

 

 

120

150

5

 

110,000 BTU; 1 HP fan

 

 

 

 

 

 

 

 

 

125

155

5

 

135,000 BTU; 1HP fan

 

 

 

 

 

 

 

 

* − Default DAT value is rounded to the closest number on 5 deg F resolution and limited by Minimum and Maximum value.

table continued on next page

506052−01 11/09

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Lennox International Inc 2P1109, P506052-01, Touch Screen Programmable Communicating Thermostat setup guide Furnace