Johnson Controls VMA 1420 - Developing the Bill of Material and Placing Orders

VMA1400 Series Overview and Engineering Guidelines Technical Bulletin 33
4. Create source power drawings. Determine such things as line
length, transformer count and layout, and power distribution.
5. Determine number of:
• VMAs
• room sensors
• damper actuators (VMA1430 or dual duct)
• differential pressure sensors (dual duct only)
• valves
• valve actuators
• other control devices
• transformers
• phone cables
• communication cables
• accessories such as plug-on screw terminals
Developing the Bill of Material and Placing Orders
To develop the bill of material and place orders:
1. Make sure the following items are included as required:
• VMAs
• room sensors (one per VMA)
• damper actuators (VMA1430 or dual duct)
• differential pressure sensors (dual duct only)
• valves
• valve actuators
• box fan speed controllers - for information about the
Johnson Controls® S66 Series Electronic Fan Speed
Control, refer to the S66 Series Electronic Fan Speed
Control Product/Technical Bulletin (LIT-121605).
• cables
• transformers