Viessmann AirflowPLUS AH2A-213 Installation, Service And Operating Instruction page 33

Viessmann AirflowPLUS AH2A Installation, Operating and Service
Setting Fan Speed
Heat Fan Speed Switches 1 & 2
OFF
ON
OFF
ON
OFF/OFF
Heating CFM 1300
Cooling CFM 1640
Heating CFM 760
Cooling CFM 980
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.
(continued)
OFF 1300
980
OFF
ON 675
ON 760
Adjust Fan Speed Switches 3 & 4
ON/OFF
1430
1804
830
1050
OFF 1640
OFF 1270
ON 980
ON 740
Cool Fan Speed Profiles Switches 7 & 8
Pre Run Motor %
Time Min.
5 82
3 82
2 82
-
AH2A-354 Viessmann AirflowPLUS Air Handler
1/2 hp ECM - Air Flow Selectable Options
Set at dip switch S2.
OFF/ON OFF/OFF
1140 980
1440 1270
660 760
860 740
Short Run
Time Min.
2
2
-
- -
ON/OFF
1050
1400
830
800
Motor % Motor OFF
Time Min.
88 2
88 2
- 4
- 4
Installation
OFF/ON
860
1100
660
650
Motor %
75
75
75
75
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