Schneider Electric MNB-V1, MNB-V2 Installation Instructions
Application
The TAC I/A Series® MicroNet™ |
|
|
|
|
BACnet™ VAV (Variable Air |
|
|
|
|
Volume) Controllers are |
|
|
|
|
interoperable controllers with native |
|
|
|
|
BACnet MS/TP communications |
SW2 |
|
|
|
support. All models incorporate: an |
SW |
4H1 |
|
|
24H2 |
|
|
||
SW |
|
|
||
|
|
|
||
24H24H3 |
|
|
||
integral actuator with manual |
24G |
|
|
|
G |
|
|
|
|
ND |
|
|
||
STA |
|
|
||
override; an integral, patented, |
M |
TUS |
|
AO |
ST |
|
|||
M |
P |
|
||
ST RC |
COM |
|||
|
PX |
V |
||
|
MT |
UI |
||
|
|
S- |
DI |
|
pressure transducer; three |
|
|
LK/COM |
|
|
|
|
S- |
|
|
|
|
LK |
|
|
|
|
LON |
|
universal inputs; Sensor Link |
|
|
|
LON |
|
|
|
|
|
(S-Link) support; LED status
indication; and over-the-shaft damper mounting. See the model chart, below, for optional features.
Model Chart
Model |
|
Inputs and Outputs |
|
||
Number |
|
|
|
|
|
UI |
|
UO |
|
DO (Triacs) |
|
MNB-V1 |
3 |
|
0 |
|
0 |
MNB-V2 |
3 |
|
1 |
|
3 |
Installation
Inspection
Inspect carton for damage. If damaged, notify carrier immediately. Inspect controllers for damage upon receipt.
Requirements
•Installer must be a qualified technician The following items are not provided.
•Job wiring diagrams
•Tools:
–1/8 inch allen wrench
–Screw drivers
–1/4 inch hex driver for travel adjustment screws
–Pliers for turning damper shafts
–Digital Volt-ohm meter (DVM)
–Drill and bits for mounting screw
–Static protection wrist strap
–Torque wrench (capable of measuring at least 70 lb-in (8 N-m))
•MNA-FLO-1 enclosure for connecting to conduit (optional)
•AM-135, 3/8 in. (9.5 mm) to 1/2 in. (12.8 mm) shaft adapter (optional)
•MS/TP trunk end-of-line termination resistor kit, 120 ±5%, part number 40-1758.
•Spacer or shim for anti-rotation bracket (if needed)
MNB-V1
MNB-V2
MicroNet BACnet
VAV Controllers
Installation Instructions
•One #10 sheet metal screw for anti-rotation bracket
•Class 2 power transformer supplying a nominal 24 Vac, sized appropriately for the controller (15 VA) plus the anticipated Digital Output (DO) loads. In European Community, transformer must conform to EN 60742
•0.170 in. (4.3 mm) I.D. FRPE polyethylene tubing or 0.125 in. (3.2 mm) I.D. Tygon® tubing for piping connections. Not more than 5 ft (1.52 m) long.
Precautions
When installing the MNB-Vx controller, be sure to follow the guidelines outlined in "Precautions" on page 4.
Location
The MNB-Vx controllers are suitable for indoor use only.
Caution:
•Avoid locations where excessive moisture, corrosive fumes, vibration, or explosive vapors are present.
•Avoid electrical noise interference. Do not install near large contactors, electrical machinery, or welding equipment.
•Locate where ambient temperatures do not exceed 131°F (55°C) or fall below 32°F (0°C) and relative humidity does not exceed 85% or fall below 5%, non-condensing.
Mounting location must clear the maximum dimensions of the controller case and allow the controller to be mounted flush to
the surface of the terminal box and perpendicular to the damper shaft.
Dimensions
Mounting dimensions are shown in Figure-1.
6-1/4 (159)
|
|
|
|
|
|
4-1/2 |
1-3/4 |
2-1/2 (63) |
|
|
|
|
|||||
|
|
|
|
|
|
|
|
|
|
||||||||
|
|
|
|
|
|
(44) |
|
|
|
|
|||||||
|
|
|
|
|
|
(114) |
|
|
|
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7- |
3/4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
5- |
3/4 |
(197) |
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
(146) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Dimensions shown |
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
are in inches (mm). |
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Figure-1 MNB-Vx Mounting Dimensions.
Printed in U.S.A. 02-10 |
© 2010 Schneider Electric. All rights reserved. |
F-27346-4 |
Mounting
Mount the controller to the damper according to the instructions in Figure-2.
Warning: Electrical shock hazard! Disconnect power before installing or removing the cover.
1Slide the controller onto the damper shaft and mount the controller as shown, making sure it is on a plane
that is perpendicular to the damper shaft. See notes 1 through 4 .
2Turn the damper shaft to the full CCW (closed) position.
For CW (closed) position, turn the damper shaft fully CW.
3Press the manual override button and turn the output shaft to the full CCW position. If necessary,
rotate the output shaft slightly to return the button |
Damper |
|
|
to the fully extended position. |
|
For CW (closed) position, turn the output shaft |
|
fully CW. |
|
4Finish mounting the controller to the damper as shown, referring
to notes 5 and 6 . |
Damper |
|
Shaft |
1Check that the position selected for the mounting hole does not interfere with the operation of the damper.
2Some terminal boxes have sheet metal screw heads or other protrusions near the damper shaft. In these cases, add a spacer or shim (not provided) under the controller's anti-rotation bracket to make the controller perpendicular to the shaft.
3The anti-rotation bracket is pre-installed in the controller slot when shipped.
4Caution: Use the anti-rotation bracket when directmounting the controller onto a damper shaft. Do not rigidly mount the controller to the damper. Position the anti-rotation bracket so that the controller can float, to ensure that the controller's output shaft can turn freely through its full stroke, without binding.
5If necessary, loosen and slide the CW travel adjustment screw to the desired position, and then tighten the screw.
For CW (closed) position, reposition the CCW travel adjustment screw.
6If preloading the damper for closed position is required, set the controller as follows:
a.Rotate the controller CW approximately 3/16" (4 mm) off the centerline of the damper (see view below) and then tighten the output shaft set screws 60 - 70 lb-in. (6.8 - 7.9 N-m), using an 1/8" allen wrench.
For CW (closed) position, rotate the controller
CCW (see view below).
b.Rotate the controller back into alignment with the centerline of the damper. This should ensure closure of the damper.
CW Travel
Adjustment Screw 5
|
|
|
|
|
|
|
|
|
|
Short Shaft |
|
|
|
|
|
|
|||
M |
|
|
|
|
|
|
|
|
|
Set Screw |
|
|
|
|
|
|
|||
M |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
STP |
|
|
|
|
|
|
|
|
Locations |
|
|
|
|
|
|
||||
STP |
STATUS |
G |
|
|
|
|
|
|
|
|
|
|
|
|
|||||
XM |
RCV |
ND |
|
24G |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
T |
|
|
|
|
24H |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SW24H3 |
|
SW24H2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SW |
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
24H1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Set Screws (2) |
||||||
SHLDSTP |
|
|
- |
|
|
|
|
|
|
|
|
60 - 70 lb-in. (6.8 - 7.9 N-m). |
|||||||
|
M |
|
|
S |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- |
|
S |
LK/COM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LK |
|
UI3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
UI2 |
CO |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
U |
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
M |
COM |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
I1 |
UO1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CCW Travel |
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
Adjustment Screw 5 |
||||||
Output |
|
|
|
|
|
|
|
|
|
|
|
|
|||||||
|
Shaft |
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||
|
|
|
|
|
|
|
|
|
|
Travel |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Indicator |
|
|
Manual Override |
||||||||
|
|
|
|
|
|
|
|
|
|
Pin |
|
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
Button |
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
TP |
S |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TXM R |
G |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CV STATU DN |
24G |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
H4 |
SW |
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24H |
SW |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
224H 2W |
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3 |
|
|
S |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1H4 |
|
|
|
|
|
|
|
|
|
|
|
SH |
M |
M |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
LD |
|
S |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
STP |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- STP |
- |
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
|
C |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
OM U |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1O |
|
|
|
|
|
|
|
CCW Closed |
CW Closed |
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3 |
3 |
3/16" (4 mm) |
3/16" (4 mm) |
(approx.) |
(approx.) |
|
|
|
Anti-rotation |
||
#8 (4 mm) Sheet |
|
|
|
Bracket |
|
Metal Screw |
|
2 |
3 |
4 |
|
(not provided) |
1 |
||||
|
|
|
|||
5When finished, verify free movement of the damper as follows:
a.Press and hold the manual override button.
b.Verify that the damper can be freely positioned between full open and full closed. There must be no binding between the controller and damper, and the damper must be free of obstructions that may hinder its operation.
c.Release the manual override button. If the button does not fully extend, it will do so automatically once power is applied to the controller. The button may also be made to fully extend by rotating the output shaft slightly.
Figure-2 MNB-Vx Damper Mounting.
2 |
© 2010 Schneider Electric. All rights reserved. |
F-27346-4 |
Loading...