• One self-drilling No. 10 x 25 mm (1 in.) screw
• Two 12-in. (30.48 cm.) pieces of flexible tubing
• One controller/sensor Y cable adapter
• One 8-pin to 6-pin single-socket cable adapter
Note:
Remove the cap plug from the TSTAT port
of the controller and save for future use. The
cap plug is used on existing sensor ports that
are no longer used.
Materials and special tools needed
Note:
You may not require all the materials
listed for your controller installation.
• Several 6 mm (1/4 in.) female spade terminals
for input and output wiring and crimping tool or
spade mounted terminal blocks
• Small straight-blade screwdriver for securing
wires in the terminal blocks
• 8 mm (5/16 in.) wrench or 10 mm (3/8 in.) 12-point
socket to tighten the square coupler bolt
• Several shims or washers to mount the VMA
• Power screwdriver, 100 mm (4 in.) extension
socket, punch, drill, and 3.5 mm (9/64 in.) drill bits
to mount the VMA
• Pliers to open and close the damper
• Required length of 3.97 mm (5/32 in.) ID
pneumatic tubing and barbed fittings
Physical features
Figure 1: VMA18 Series Controller Wiring Terminations and Physical Features
Table 1: VMA18 Series Controller feature callout numbers and descriptions
Physical features: description and references
1
24 VAC, Class 2 Supply Power Spade Terminals (see
2
Device Address DIP Switch Block (see
VMA1826/1832 VAV Controller Installation Guide
2