Element
SECTION 10: The Electronic Operating System (EOS)
L-OMM-0003_A
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Figure 79 - Scheduled Setback
11.5.10 Using the Manual Override Menu (ADVanced Level Access)
The
OVERRIDE MENU
controls the integral tank circulator and optional SANI pump; it is useful
during initial commissioning as well as anytime burner adjustment is necessary.
To access the Manual Override menu and enter the Advanced Level access:
1. Press and hold the
HOME
button for 3 seconds.
2. Touch the
NEXT ITEM
or
ITEM BACK
button to navigate to the
TOOLBOX
menu.
3. Touch the
ENTER
button to display the ACCESS screen.
4. Depending on the control software version, the ADVANCED level can be selected using the
UP
and
DOWN
arrow buttons. Subsequent software revisions will require pushing button #4
(bottom right corner) to place the control in the ADVANCED access level.
5. Exit the menu by pressing the
HOME
button.
6. Use the
NEXT ITEM
or
ITEM
BACK
buttons to navigate to the
OVERIDE
menu.
7. Enter the OVERRIDE MENU. Using the arrow buttons, select between the three choices. The
default setting is
AUTO
. In the
AUTO
position the operating temperature control will work to
control the water temperature based on the active setpoint. When manual control of water
heater operation is complete, always return this parameter to the
AUTO
setting.
8. The second setting is
OFF
. This will stop all control function and prevent the burner from
operating.
9. The third setting is
HAND
. Once enabled, use the
NEXT ITEM
button to scroll to the next
screen. The
TIMEOUT
setting is a safety precaution that will disable the override function at
the end of the specified time period if the
MAN OVR
setting is not returned to AUTO.
10. The next screen is
SAN PUMP
. To force on the SANI pump, turn this setting to
ON
.
11. The next screen is
HTR PUMP
. To force on the integral tank circulator, turn this setting to
ON
.
12. The next screen is
HTR MOD
. This setting will override the operating control and using the
up and down arrow buttons, force the burner to fire at the selected firing rate. This function
is useful when tuning the operation of the burner at a range of firing rates.
