Setting Fan Speed - Viessmann AirflowPLUS AH2A-213 Installation, Service And Operating Instruction

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.
32
OFF 1050
OFF 825
ON 675
ON 550
Adjust Fan Speed Switches 3 & 4
ON/OFF
1050 1155
1175 1290
675 740
750 825
OFF 1175
OFF 925
ON 750
ON 600
Cool Fan Speed Profiles Switches 7 & 8
Pre-Run
Time Min.
5
3
2
-
Viessmann AirflowPLUS AH2A Installation, Operating and Service
AH2A-213 Viessmann AirflowPLUS Air Handler
1/3 hp ECM - air flow selectable options
Set at dip switch S2.
OFF/ON OFF/OFF
924
1034
594
660
Motor % Short Run
Time Min.
82 2
82 2
82 -
- -
ON/OFF
825 910
925 1010
550 605
600 660
Motor % Motor OFF
Time Min.
88 2
88 2
- 4
- 4
OFF/ON
726
814
484
528
Motor %
75
75
75
75