Viessmann AirflowPLUS AH2A-213 Installation, Service And Operating Instruction page 34

Installation
Setting Fan Speed
Heat Fan Speed Switches 1 & 2
OFF
ON
OFF
ON
OFF/OFF
Heating CFM
Cooling CFM
Heating CFM
Cooling CFM
Cool Fan Speed Switches 5 & 6
OFF
ON
OFF
ON
OFF OFF
ON OFF
OFF ON
ON ON
Note: Power to the Viessmann AirflowPLUS air handler must be turned off before changing switch settings.
The above values are approximations only, actual results may vary.
Note: Factory switch set positions are shown in bold.
34
(continued)
OFF 1650
OFF 1590
ON 1470
ON 1320
Adjust Fan Speed Switches 3 & 4
ON/OFF
1650 1800
1875 2060
1470 1620
1620 1780
OFF 1875
1730
OFF
ON 1620
ON 1500
Cool Fan Speed Profiles Switches 7 & 8
Pre-Run
Time Min.
5
3
2
-
Viessmann AirflowPLUS AH2A Installation, Operating and Service
AH2A-385 Viessmann AirflowPLUS Air Handler
3/4 hp ECM - Air Flow Selectable Options
Set at dip switch S2.
OFF/ON
1480
1680
1320
1450
Motor % Short Run
Time Min.
82 2
82 2
82 -
- -
OFF/OFF ON/OFF
1590 1750
1730 1900
1320 1450
1500 1650
Motor % Motor OFF
Time Min.
88 2
88 2
- 4
- 4
OFF/ON
1430
1560
1180
1350
Motor %
75
75
75
75