Networkable VAV Controller
Specification and Installation Instructions
www.neptronic.com
Page | 4
Mechanical Installation
1. Manually close the damper blades and position the actuator
to 0º or 90º.
2. Slide the actuator onto the shaft.
3.
Tighten the nuts on the “U” bolt to the shaft with an 8mm
wrench to a torque of 60 in-lb [6.7 Nm].
4. Slide the mounting bracket under the actuator. Ensure free
movement of the slot at the base of the actuator. Place the
bracket pin at mid distance of the slot.
5. Affix the bracket to the ductwork with #8 self-tapping screws.
Do not press the clutch when the actuator is powered.
EVC with a built-in 70 in. lb. Actuator
1. Manually close the damper blades and position the actuator
to 0º or 90º.
2. Slide the actuator onto the shaft.
3.
Tighten the nuts on the “U” bolt to the shaft with an 8mm
wrench to a torque of 150 in.lb. [17 Nm].
4. Slide the mounting bracket under the actuator. Ensure free
movement of the slot at the base of the actuator. Place the
bracket pin at mid distance of the slot.
5. Affix the bracket to the ductwork with #8 self-tapping screws.
6. Connect the cable from the EVC to the terminal in the
actuator as shown.
Do not press the clutch when the actuator is powered.
EVC with a separate 180 in. lb. Actuator
Terminals on the Actuator
Signal cable from EVC controller (models EVCB14NIT4X
and EVCB14NDT4X)
Use to connect the external motor on EVCB14NIT4X and
EVCB14NDT4X.
CLUTCH
MOUNTING
BRACKET
1
2
3
4
5
COMMON (-) (black)
SUPPLY (+) (red)
FEEDBACK (green)
CONTROL (white)
Green: Feedback
White: Control
Red:
24Vac
Black:
Common
