Vav system, Description, Mounting – WattMaster MG331-21-VAVCAV User Manual
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Form: WMS-MG392-05-ModularSystemManager-1C.doc
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VAV System
Description
The MG392-05 Modular System Manager
provides a direct link to enable the system
operator to view the status and to adjust
the setpoints of any controller on the con-
trol system communications loop. The
Modular System Manager is designed to
be used with the WattMaster VAV Control
System. The System Manager is housed
in an attractive beige colored plastic en-
closure. The System Manager is
equipped with a four line by 20 character
backlighted display panel and a 24 key
membrane keypad for data selection and
entry. All keypad operations are simple
and straight forward, utilizing non-cryptic
plain English language messages. Menu
driven programming allows for easy setup
and operation without the need for spe-
cialized training. The System Manager
also has 2 integral LED’s for user notifi-
cation of system alarm conditions and
override initiations. Protection from un-
authorized users is provided by the Sys-
tem Manager’s integral multi-level pass-
code authorization programming.
The Modular System Manager is con-
nected to the communications and power
loop of the system via modular cables
that simply plug into the System Manager
board and are pigtailed into 6 individual
wires on the other end for hard wiring into
a 24 VAC transformer (by others) the lo-
cal communications wiring loop.
Mounting
The Modular System Manager is designed for wall mounting. Mounting holes are provided to attach the Modular
System Manager to a standard handy box. It is recommended that the System Manager be mounted at approxi-
mately eye level to allow for ease of programming and reading of the display. The System Manager is typically
mounted in the building manager or superintendent’s office or in an equipment room. The attractive enclosure is
quite suitable for mounting in any location or with most decors.
Technical Data
MGOE392-05
Modular System Manager
Power
24 Volt AC/DC
Display
4 Line by 20 Character Backlighted LCD
Power Consumption
5 VA Maximum
Network Connection
RS-485
Operating Temp
10
°
F to 149
°
F
Protocol
HSI Open Protocol Token Passing
Operating Humidity
90% RH Non-Condensing
Housing Material
Beige Plastic
Keypad
24 Key Membrane Type
Communications
RS-485 - 9600 Baud
3 Year Warranty
WattMaster reserves the right to change specifications without notice
MG392-05
Modular System Manager
ENTER
CLEAR
ESC
PREV
NEXT
DOWN
UP
6
5
4
DEC
7
0
8
1
3
2
9
MINUS
-
STATUS
SETPOINTS
SCHEDULES
ALARMS
OVERRIDES
System Manager
9.00"
6.25"
1.81"