Transcription of Variable Air Volume Modular Assembly (VMA) …
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Application Note Issue Date May 21, 2014 2014 Johnson Controls, Inc. Code No. LIT-6375125 HVAC PRO Software Release Variable Air Volume Modular Assembly (VMA) 1400 Series Using Variable Air Volume Modular Assembly (VMA) 1400 Series Applications .. 2 Introduction .. 2 Key Concepts .. 3 VMA Controller .. 3 Theory of Operation .. 7 Application Logic .. 11 Flow Setpoint Configuration .. 19 VMA Single Duct Applications .. 21 VMA Dual Duct Applications .. 27 VMA Diagnostics .. 41 Detailed Procedures .. 45 Creating a VMA Single Duct Application .. 45 Creating a VMA Dual Duct Application .. 56 Changing the VMA Parameter View .. 63 Configuring a VMA Application .. 64 Commissioning a VMA Application .. 64 Testing and Balancing a VMA Single Duct Supply/Exhaust Application .. 65 Testing and Balancing a VMA Dual Duct Application .. 68 Troubleshooting .. 73 VMA Firmware Revisions .. 78 Attributes and Parameters .. 80 Input/Output Options .. 80 VMA Single Duct Parameters.
The Variable Air Volume Modular Assembly (VMA) models VMA1410 and VMA1420 are integrated modules that include the controller, actuator, and …
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