Goodman ACVC96 BA Series Service And Troubleshooting page 35

SYSTEM OPERATION
7) Press and Release the Right button again. The 7
segment displays will continue flashing but will now
display 45.
8) Press and Release the Center Button again. The 45
being displayed will stop flashing. To then complete
the selection process and make 45 the official fan only
setting Press and Release the Center Button for the
last time. This final step will jump the user back to the
main menu list and FSd will be displayed again.
9) The constant fan multiplier has now been changed from
25 to 45
Airflow Display
When the blower is running the CFM will be displayed in
Status Menu. The first 7 segment character will display "A".
The second & third characters will display the actual CFM
divided by 100. The actual CFM will display rounded up or
down to the nearest 100 CFM as follows;
· 550 to 649 CFM display as "A06"
· 1150 to 1249 CFM display as "A12"
Alarm Display
If an active alarm is present, the alarm code shall be report-
ed in Status Menu starting with "E" and following with the
appropriate two digit alarm code.
Clearing Faults
While in the Last 6 Faults option menu, push & hold the
center button for 5 seconds. This will clear all non-active
alarm(s) in the Last 6 Faults menu. The display will flash
three times to confirm faults have been cleared.
Learn Menu
Using this option resets the communicating network which
will cause the furnace to discover what devices are present
on ClimateTalk™ network. This menu will not appear when
the furnace control is connected to a Non-Comm OD unit.
Code Release Number Menu
This is a reference only menu to display the firmware
release revision numbers for each micro-controller.
Constant Fan Speed Menu
This menu allows for adjustment of the multiplier for con-
stant fan operation in 10% increments. Each furnace has
a "Maximum CFM" determined by motor HP. All fan opera-
tions are based off of multipliers which are percentages of
this number. Max CFM is shown below. The 0803 model
has a max CFM of 1650. The default constant fan multiplier
is 25%.
Model
3 Ton Models
4 Ton Models
5 Ton Models
Gas Heat Airflow Multiplier Menu
The menu is used to change the gas heat airflow
multiplier for gas heat operation. In most cases the
default gas heat airflow will provide a temperature rise
near the middle of the acceptable range. The multiplier
will be expressed by the 2
as a percentage of max CFM.
Gas Heat Fan Off Delay Menu
The default setting is 90 seconds. The available adjustment
range is from 30 to 180 seconds in 30 second increments.
Gas Heat Fan On Delay Menu
The default setting is 30 seconds. The available adjustment
range is from 5 to 30 seconds in 5 second increments.
Gas Heat Trim Factor Option Menu
Gas Heat airflow may be trimmed from -10% to +10% in
2% increments.
Gas Heat Stage Multiplier Menu (CFM)
This menu allows adjustment of the low fire CFM multiplier.
The default CFM for low fire is 70% of high fire.
Gas Pressure Test Menu
This menu allows 100% firing rate be locked in to check
gas valve pressure.
T
O PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE
INLET GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT
RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES
.
OPERATING
In some cases, the installer may also need to supply a
transition piece from 1/2" pipe to a larger pipe size.
Max CFM
1400
1760
2200
& 3 characters of the display
nd rd
CAUTION
,
THE
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