Mounting on a vav terminal box – KMC Controls BAC-8007 Installation Guide User Manual
Page 17

Mounting on a VAV
terminal box
Mount the controller inside of a metal enclosure. To maintain RF emissions
specifications, use either shielded connecting cables or enclose all cables in
conduit.
Mount the controller directly over the damper shaft. A minimum shaft length
of 2.0 inch (51 mm) is required.
Note:
SimplyVAV 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 shafts.
Illustration 2–2 Controls and indicators
ON CTS
1 2
COMM
READY
AI1
AI5
GND
AO4
AO3
SC
BO8
BO5
BO6
SC
BO7
24VAC
AI6
GND
AI7
T
-S
T
A
T
/
SEN
SO
R
-A
+B
S
EO
L
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 open position.
2. On the controller, press the gear clutch button and rotate the drive hub
in the same direction that opened the damper. Turn the hub until it
reaches a rotation limit.
3. Loosen the nuts on the V-bolt until the damper shaft can fit through the
collar.
4. Place the controller over the damper shaft.
5. Finger tighten the nuts on the V-bolt to position the shaft in the drive
hub.
6. Center the mounting bushing in the mounting tab and fasten it with a #8
sheet metal screw.
7. Evenly tighten the V-bolt nuts on the drive hub to 30-35 in-lbs.
SimplyVAV
Section 2: Installing the controllers
Revision E
17