38
£
OPTION PARAMETERS
CAUTION: Use extreme care when entering option parameters. Incorrect data entry could
cause a hazardous situation to occur.
Option Parameter List
Note: If an option parameter is marked with *, it is not possible to adjust its value using the site
passcode. The option parameters marked with * can only be adjusted in the commissioning mode
after entering the supplier passcode. If using the supplier passcode and it is still not possible to
adjust the value of an option parameter, the burner must be turned off first.
Option 0.1 - Site passcode (0 - 999)* - 154 is the default site passcode
This is a three digit passcode which will allow the site engineer or end-user to enter option set mode
and adjust a limited range of option parameters (those not marked with ‘*’ in this section).
Option 1.1 - Power supply frequency (50/60)*
The unit must be configured for the correct power supply frequency. The setting is either 50 or 60Hz.
Option 1.2 - Serial communications unit address (0 - 15)*
If the unit is to be connected to other equipment via the serial communications interface, it must be
given a unique address using this option parameter.
Option 1.3 - Air damper 2 select (0 -4)*
This option parameter is used to select an additional air damper.
0 - Deselected, no second air damper.
1 - Second air damper selected as primary air for oil firing.
2 - Second air damper selected as flue gas recirculation for gas firing.
3 - Second air damper available for both fuels.
4 - Second damper stays open during purge for both fuel options.
If a second air damper is selected (option 1.3 = 3), the air servo-motor is available for both fuels, air
switch #2 is not required. The second air servo-motor is driver open and closed during purge to check
the operation of the end switches and speed of the servo-motors selected (option 1.3 = 2 or option 1.3
= 3).
Note:
Once the second air damper is selected, the only way to deselect it is to erase all profiles and
option parameters using parameter 15.0 and 15.1.
If a second air damper is selected (option 1.3 = 1), as the primary air Flow and No Flow will be
checked on oil to equal the secondary air Flow and No Flow. On gas the primary air Flow and No
Flow will be checked to on if no primary air is present.
Option 1.4 - Auxiliary Relay Function Select (0 - 4)*
The auxiliary relay output can be used to perform several different functions as set by this option
parameter.
0 - Deselected, auxiliary relay output not used.
1 - Auxiliary relay output used to control the oil pump-off unless firing on oil and burner
status between 10 and 16 (Table 1 - Set up sequence).
2 - Auxiliary relay output used to control a steam atomizing valve-off unless firing on oil
and burner status between 6 and 16 (Table 1 - Set up sequence).
3 - Auxiliary relay output used to control a steam purge valve-on firing on oil and burner
status 17 or 18.
4 - Auxiliary relay output used to control boiler sequencing valve, relay-off unless the
boiler is selected as sequencing slave, in standby and the measured value is below
setpoint.
5- Output energized when flame signal is above on threshold, off when below threshold.
