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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10-30.7-63
E-i -3/14
50120624-001/
Commissioning Procedure with User Display
SMARTLINK
®
MRV 10-Point Commissioning Procedure with User Display
Menu & Sub-Menu reference numbers and instructions for moving between menu levels are shown in Table 15 (page 10-30.7-85)
a) Disable burner pilot trials by turning off the burner management system or disabling a combustion permissive so that interlocks cannot be
proven. Turn on the combustion blower. Go to Sub-Menu 5.5 (Set Valve #) and Sub-Menu 5.6 (Set Fluid) and, using the ARROW keys,
select each valve and its fluid type (air, oxygen, natural gas, propane, etc.). Display of the fluid type during commissioning helps prevent
selection and adjustment of the wrong valve.
b) Go to Menu 2 and enter Manual Mode (Command A-0) by pressing the ENTER key. After entering Manual Mode, Sub-Menu 2.1 (Maximum
Fire) is displayed. Press the ENTER key and wait for the system to move to position index #9. Press the BACK key to return to Main Menu
2. Press the MENU key to move to Main Menu 3 (Set Max & Ramp).
c) If the system is at position index #9 (maximum), press the ENTER key in Menu 3 (Set Max & Ramp, Command A-3). This command permits
adjustment of the maximum position and provides a linear position ramp on all lower indexes. When this command is successfully executed,
both the yellow and green mode lights on the Control Interface will be flashing (indicating that the system is in Position Setup Mode) and
Sub-Menu 3.1 (Set Valve #) is displayed.
d) Use the ARROW keys to select the air valve in Sub-Menu 3.1 (Set Valve #). Press the MENU key to go to Sub-Menu 3.2 (Trim 1.0 deg). Use
the ARROW keys to adjust the air valve's maximum position in 1.0 degree increments until the required burner pressure (flow) is achieved.
The valve's position can be moved 8 degrees from its stored position or until the maximum travel of the valve (80 degrees) is reached. (The
display will indicate an invalid command request if the 8 degree limit or max/min travel is reached.) Press the ENTER key to save the maxi-
mum position and linear ramp.
e) Use the BACK key to return to Menu 2 (Manual Mode). Press the ENTER key in Menu 2 to enter Manual Mode (Command A-0). Go to Sub-
Menu 2.4 (Set Valve #) and verify the correct valve is selected. Go back to Sub-Menu 2.2 (Minimum Fire). Press the ENTER key and wait for
the system to move to position index #0 (minimum). When the system is at index #0, go to Main Menu 4 (Set Min & Ramp). Press the
ENTER key and verify the correct valve is selected in Sub-Menu 4.1 (Set Valve #). Go to Sub-Menu 4.2 (Trim 1.0 deg) and use the ARROW
keys to adjust the minimum air valve position in the same manner as the maximum position was adjusted in step d. After adjustment is com-
plete, press ENTER in Sub-Menu 4.2 to save the setting in memory.
f) Repeat steps b through e for all other air valves installed. SMARTLINK
®
MRV is shipped with factory default minimum and maximum valve
positions of 6.0 and 60.0 degrees, respectively.
g) Momentarily set the mode switch in the RUN position, re-enable the burner management system and light the burner. Go to Main Menu 9
(Set Configuration) and press the up ARROW key until the Auto Ramp setting is displayed. Auto Ramp should be set to #1, ON. (If not,
press ENTER to change the setting in Sub-Menu 9.1 using the up ARROW key to select ON and press ENTER to save the modified config-
uration.) Use the BACK key to return to Menu 2 (Manual Mode) and press ENTER. Press MENU to get to Sub-Menu 2.2 (Minimum Fire).
Press ENTER and wait for all valves to get to position index #0 (minimum).Go back to Main Menu 2. Then go to Menu 4 (Set Min & Ramp)
and press ENTER. Go to Sub-Menu 4.1 (Set Valve #) and select the fuel valve using the ARROW keys. Go to Sub-Menu 4.2 (Trim 1.0 deg)
and use the ARROW keys to adjust the minimum fuel valve position for the required burner pressure (flow). After adjustment is complete,
press ENTER to save the setting in memory. Repeat setting the minimum position (and linear ramp) for each fuel valve in the system.
h) Once the fuel valve minimum and linear ramp are set, go to Main Menu 5 (Setup Mode). Press the ENTER key and Sub-Menu 5.1 (Set
Index) is displayed. Use the ARROW keys in Sub-Menu 5.1 to move the system to the next whole integer position index
. Press the MENU
key to display Sub-Menu 5.2 (Set Valve #). Verify the correct fuel valve is selected; use the ARROW keys if a change is required. Press the
MENU key to display Sub-Menu 5.3 (Trim 1.0 deg) and then adjust the fuel valve position using the ARROW keys to achieve the required
burner pressure (flow). Press the ENTER key to save the position profile in memory. (Use Sub-Menu 5.4, Trim 0.1 deg, if finer adjustments
are needed.) Select each fuel valve in the system and adjust its position. Repeat this step until all 10 whole integer position indexes are
adjusted. If additional gas pressure is required at index #9 (maximum), adjust the regulator and then re-adjust the fuel valves at each whole
integer index position while working back to index #0 (minimum).
i) After the last adjustment is made in Position Setup Mode, go to Sub-Menu 5.1 (Set Index) and use the ARROW keys to move the system to
index #9 (or the highest possible with the burner firing). Go to Sub-Menu 5.7 (Commission) and press the ENTER key to execute the Com-
mission Valve Command (A-4) for the selected valve. Use the ARROW keys to select each valve and then press ENTER to commission the
newly-selected valve. Repeat this process for each installed SMARTLINK
®
MRV Valve. The commission command stores the selected
valve's current position index as its maximum allowable position index while in RUN mode (i.e. under 4-20 mA firing rate control). If one
valve has a maximum run index less than the other commissioned valves, the system will not modulate above the lowest run index. The sys-
tem will also not modulate in RUN mode if any valve is not commissioned.
j) To make a back-up profile in the Control Interface, go to Sub-Menu 5.9 (Save Back-up) and press ENTER to execute Command C-6, Save
Profile as Back-up. To back-up the profile and all system configuration settings in the User Display, go to Sub-Menu 10.4 (Save System
Data) and press ENTER. Backing up system data to the User Display takes approximately 30 seconds. Go to Sub-Menu 5.8 (Run Mode)
and press ENTER. Place the user's temperature controller in AUTO. SMARTLINK
®
MRV will modulate the burner's firing rate based on the
4-20 mA input command.