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Technical Data Manual
Model Nos. and pricing: see Price List
Viessmann AirflowPLUS AH2A series
Hydronic forced air handler
Viessmann Airfl owPLUS
Product may not be exactly as shown
Viessmann AirflowPLUS
AH2A Series, Models 213, 354 and 385
The Viessmann AirflowPLUS works directly with other
hot water sources to provide warm comfortable heating
for any home or small commercial building.
5680 010 - 10
01/2019
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Summary of Contents for Viessmann AirflowPLUS AH2A Series
- Page 1 Product may not be exactly as shown Viessmann AirflowPLUS AH2A Series, Models 213, 354 and 385 The Viessmann AirflowPLUS works directly with other hot water sources to provide warm comfortable heating for any home or small commercial building. 5680 010 - 10...
- Page 2 Viessmann AirflowPLUS AH2A Technical Data Viessmann AirflowPLUS AH2A Series The Viessmann AirflowPLUS Series is engineered to Multi-position: Unit mounts in any direction - upflow, ■ be used with hydronic (boiler) systems, tank-less or on downflow or horizontal discharge right or left. Use built...
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Page 3: Technical Data
Viessmann AirflowPLUS AH2A Technical Data Technical Data Description AH2A-213 AH2A-354 AH2A-385 Motor (ECM) Motor rated amps - loaded (1050 RPM) AMPS - locked rotor AMPS Electrical VOLTS/PH/HZ 120/1/60 120/1/60 120/1/60 Heating BTUH 120°F (49°C) 28,000 44,000 51,000 (kW) (13) (15) 140°F (60°C) - Page 4 Viessmann AirflowPLUS AH2A Technical Data Dimensions IMPORTANT AH2A-213 AH2A-354 AH2A-385 The maximum ambient temperature must not exceed (mm) (584 mm) (711 mm) (578 mm) 104ºF (40ºC). (mm) (457 mm) (559 mm) (559 mm) (mm) (826 mm) (876 mm) (876 mm)
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Page 5: Minimum Clearances
Rated voltage Rated current 0.74 Capacitor F Power consumption Watts Legend A Speed 1 Pump curve B Speed 2 Pump curve C Speed 3 Pump curve Note: All Viessmann AirflowPLUS air handlers come with pump speed factory set to speed 3. -
Page 6: Electrical Connections
Viessmann AirflowPLUS AH2A Technical Data Electrical Connections Main power supply 120VAC, 1Ph, 60Hz, 12A WARNING Main DISCONNECT POWER BEFORE Disconnect SERVICING BOILER. Switch External Connections If any of the original wires as supplied with the appliance must be Internal Connections replaced, it must be replaced with the exact equivalent. - Page 7 Viessmann AirflowPLUS AH2A Technical Data Electrical Connections (continued) Legend Diagnostic LED Ambient temperature sensor Return air temperature sensor Supply air temperature sensor Freeze protection temperature sensor Supply water temperature sensor A/C power Pump motor 10 24VAC transformer secondary 11 24VAC transformer primary...
- Page 8 Viessmann AirflowPLUS AH2A Technical Data...