Nailor 35SW Manual page 143

EZvav Controllers:
These are brief instructions for installing a
EZvav controller.
For complete details, download IOM
"IOM-EZVAVINST" from Nailor website.
1 Align the damper and drive hub
Manually rotate the damper on the VAV box to the fully closed
position.
Press the gear clutch button and rotate the drive hub in the same
direction that closed the damper. Turn the hub until it reaches a
stop, then rotate the hub back 2 degrees and release clutch.
2 Mount the controller to the VAV box
Place the controller over the damper shaft.
Finger tighten the nuts on the V-bolt to position the shaft in the
drive hub.
Center the mounting bushing in the mounting tab and fasten it
with a #8 sheet metal screw.
Evenly tighten the V-bolt nuts on the drive hub to 30-35 in-lbs.
Drive Hub
and V-bolt
Gray Network
Terminals
Gear Clutch
Button
Date: 9-2015 Supersedes: NEW
Nailor reserves the right to change any information concerning product or specification without notice or obligation.
Quick Start Installation Guide – EZvav Sensors & Controllers
www.nailor.com
Room Temp. Sensor/
T'stat connector
3 Connect the room sensor cable
Connect a EZvav sensor to the controller with a standard Ethernet
cable. Plug the controller end of the cable into the T'stat connector.
4 Connect the airflow sensors
Connect the airflow sensor on the VAV box to the airflow ports on
the controller. Use 0.25 in. FR tubing.
5 Connect auxiliary equipment (optional)
Other VAV equipment such as fans, heaters, reheat valves, and
discharge air temperature sensors connect at the green terminals.
If the controller is part of a BACnet network, wire it to the gray
MS/TP network terminals.
6 Connect 24 volt power
Connect the controller to a 24 volt, Class 2 transformer at the black
power terminals. As soon as power is connected, the controller
begins operation.
Airflow Sensor
Ports
Page 3 of 4
Black Power
Terminals
Mounting Tab
and Bushing
Green Terminals for
Fan, Reheat and
Other Equipment
IOM-EZVAVQSIG