LAARS LLS-1 - Instruction Manual - Manual (Page 9)

Laars Logic System Page 9
Power Venter Option
Power Venter Installed
· “no” default
· “yes” optional
Pre-Purge Time
· 0 minute min
· 10 minute max
· 0 (no purge) default
Post-Purge Time
· 0 minute min
· 10 minute max
· 0 (no purge) default
Vent Damper Option
Vent Damper Installed
· “no” default
· “yes” optional
Post-Purge Time
· 0 minute min
· 10 minute max
· 0 (no purge) default
Gas Valve Staging
(For two-stage units only)
Differential Between Stage 1 & 2
· 2°F min
· 50°F max
· 10°F default
SECTION 6.
Programming
The LLS-1 has program menus that allow you
to obtain boiler operation information and allow you
to change many of the operating parameters if you
wish to do so.
The up and down arrow keys (the two rightmost
Display #1 - Default
During periods of inactivity the LLS-1 readout
will display:
LAARS LOGIC SYSTEM. In order to access one of
the twelve menus hit the enter key.
Display #2 - Main Menu Selection
Use the arrow keys to scroll through the
information, to select a menu hit the enter key while
it is displayed. The readout will go back to Display
#1 if left inactive on any display for longer than
thirty (30) seconds. The list appears in the following
order:
BOILER INFORMATION
BOILER SETTINGS
BOILER PUMP
DHW SETTINGS
OUTDOOR RESET
ALARM SETTINGS
POWER VENTER OPTION
VENT DAMPER OPTION
GAS VALVE STAGING
PERFORM SYSTEM CHECK
SENSOR VALUES
OPERATING SUMMARY
Display #3 - Boiler Information
If this menu is selected the following display
will appear:
BOILER INFORMATION
This is data for how the boiler was built and
how the LLS was programmed. This data is entered
into the LLS-1 at the factory and cannot be changed.
It displays the model & serial number, the LLS
program number, the date the unit was manufactured
and the fuel type. The readout will go back to
Display #1 if left inactive on any display for longer
than thirty (30) seconds.
Use the arrow keys to scroll through the
information, it will appear as follows:
MODEL # _________
SERIAL # _________
LLS VER. ________
MFR DATE mm/dd/yyyy
FUEL TYPE __________
Display #4 - Boiler Settings
If this menu is selected the following display
will appear:
BOILER SETTINGS
Use the arrow keys to scroll through the
information, it will appear as follows:
Figure 4. LLS Menu Buttons.
keys) scroll through the menu. The right and left
arrow keys move back to previous menus. The enter
key (on the left) is pushed to select, or enter a menu
or to change displayed information (see Figure 4).
There are fifteen (15) separate Display Groups,
they are as follows:
OUT OF
PRODUCTION