Table of Contents
Advertisement
Viessmann AirflowPLUS AH2A Installation, Operating and Service
Safety, Installation and Warranty Requirements..............2
Product documentation...........................................2
Warranty...............................................................2
Licensed professional heating contractor...................2
Advice to owner....................................................2
Operating and service documentation.......................2
Fiberglass wool materials........................................2
First aid measures..................................................2
About these Installation Instructions..............................5
Necessary Tools.........................................................5
Codes..................................................................6
Instructing the system user...................................6
Initial start-up........................................................6
Working on the equipment......................................6
Technical literature................................................6
Introduction...............................................................7
Components................................................................7
Features......................................................................8
Equipment Selection and Sizing.....................................9
Compatibility Charts.....................................................9
Before Set-up..............................................................11
Minimum Clearances...................................................11
Dimensions.............................................................12
Heating Circuit Pumps.............................................13
Installation...............................................................13
Installation Examples.................................................14
Horizontal installation...........................................14
Vertical installation..............................................15
Proper Piping Practice................................................16
Connecting to the Heating System..............................16
Removing the blower shipping Bracket........................17
Opening the Air Handling Unit....................................17
Panels.....................................................................18
Accessing the Connection Board................................21
Vitodens 100 WB1B Wiring.......................................22
HO1B Wiring............................................................24
Control Function.......................................................25
Supply Water Temperature (T1).................................25
Freeze Protection Temperature (T3)............................25
A/C Discharge Air Temperature (T4)...........................25
Remote Return Air Sensor (T5)..................................26
Ambient Sensor (T6).................................................26
Sensor Locations......................................................26
Override Settings.....................................................27
System Select Dip Switch Settings............................27
Door Safety Switch..................................................28
Electrical.................................................................29
Thermostat.........................................................29
Power Supply...........................................................30
Control Inputs.........................................................31
Setting Fan Speed....................................................32
Table of Contents
Page
3
Advertisement
Table of Contents
