Specifications

Control Valves - SMARTLINK
®
MRV
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combustion systems for industry
Maxon reserves the right to alter specifications and data without prior notice.
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10-30.7-55
E-i -3/14
50120624-001/
Operating Instructions
Understanding the SMARTLINK
®
MRV Control Interface
The lights and switches of the SMARTLINK
®
MRV Control Interface allow the user to:
a) Display and change configuration parameters (i.e. loss of signal position and valve movement),
b) Display the operating mode of the valve and indicate alarm conditions,
c) “Lock” the device electronically to prevent tampering,
d) Customize the position profile of each valve for burner tuning, and
e) Locally control the movement of the valves.
The installer should perform the following steps prior to commissioning the SMARTLINK
®
MRV system:
· Review SMARTLINK
®
MRV Control Interface operation and command entry
· Wiring checkout prior to applying power
· Operational checkout after applying power
· System configuration if required by the application
· System commissioning for burner operation
MAN Light - Unit in Manual Positioning Mode when lit or blinking
RUN Light - Unit in Run Mode when lit; Startup Mode when blinking; Position Setup Mode if
RUN and MAN lights are blinking; Shutdown Mode if RUN and MAN lights are OFF.
ALM Light - Alarm exists when lit; Unit is locked if blinking.
0 -9 Lights - Indicates valve position index when unit is in Manual or Position Setup Mode;
Also indicates command number selected by rotary CMD SEL switch and configuration
setting.
ENTER Switch - Momentary pushbutton for command entry and saving configuration or
valve position changes.
MODE Switch - 3 positions: (1) RUN (down) places unit in Run or Startup Mode for relay
input and 4-20mA command operation, (2) Command Entry (middle) for selecting user
command with rotary switch, and (3) CMD abc (up, with momentary action) for Command
Set selection.
ADJUST Switch - 3 positions: (1) MINIMUM (down) for emergency movement to minimum
positions when not in Run Mode, (2) ADJ (middle) enables valve movement in 0.1 degree
steps when using the INC/DEC switch in Manual or Position Setup Mode, and (3) INDEX
enables positioning moves to the 19 position indexes when using INC/DEC switch in Manual
Mode.
INC/DEC Switch - 3 positions: INC and DEC (up & down, with momentary action) for valve
opening and closing in Manual or Position Setup Mode; also used for changing configuration
settings and selecting a valve to change its respective profile. Middle position has no
function.
Command Set Lights - Identifies which command set (a, b, or c) is currently selected (when
blinking) or active (when not blinking).
CMD SEL (Rotary) Switch - Selects command number, 0 through 7