Nailor 35SW - Mounting On A Vav Terminal Unit; Mounting on a VAV Terminal Box

IOM-EZVAVINST
Date: 10-2016 Supersedes: 7-2016
Nailor reserves the right to change any information concerning product or specification without notice or obligation.
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Installation and Operation Manual
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EZvav Digital Controls
Figure2-1 Controllerrotaonlimitselecons
To set the rotaonal limits, do the following:
1. Turn the controller over so you have access to the back.
2. Manually rotate the actuator fully clockwise as viewed from the back.
3. Remove the stop screw from its storage locaon and clean any debris from the threads.
4. Insert the screw into the correct stop posion hole.
5. Tighten the screw only unl the head touches the plasc in the boom of the recess.
MounngonaVAVTerminalUnit
Mount the controller inside of a metal enclosure. To maintain RF emissions specicaons, use either shielded connecng cables
or enclose all cables in conduit.
Mount the controller directly over the damper sha. A minimum sha length of 2.0 inch (51 mm) is required.
Note: Nailor EZvav controllers are designed to directly mount to 3/8 to 5/8 inch (9.5 to 16 mm) round or 3/8 to 7/16 inch (9.5 to
11 mm) square damper shas.
Figure2-2 Controlandindicators
45
60
Position notch as shown
Stop position holes
Stop screw in storage
Rotate CW
ON CTS
1 2
COMM
READY
AI1
AI5
GND
AO4
AO3
SC
BO8
BO5
BO6
SC
BO7
24VAC
AI6
GND
AI7
T-STAT/
SENSOR
-A
+B
S
EOL
BACnet MS/TP
Status LEDs
Mounting
tab
Mounting
bushing
Gear clutch button
Drive hub
and V-bolt
Mount the controller as follows:
1. Manually rotate the damper on the VAV box to the fully closed posion.
2. On the controller, press the gear clutch buon and rotate the drive hub in the same direcon that closed the
damper. Turn the hub unl it reaches a rotaon limit, then rotate 2° in the opposite direcon and release clutch.
3. Loosen the nuts on the V-bolt unl the damper sha can t through the collar.
4. Place the controller over the damper sha.
5. Finger ghten the nuts on the V-bolt to posion the sha in the drive hub
6. Center the mounng bushing in the mounng tab and fasten it with a #8 sheet metal screw.
7. Evenly ghten the V-bolt nuts on the drive hub to 30-35 in-lbs (3.34 – 3.95 N.m).