Hvac Installer System Settings Table - Aprilaire 8910 Safety & Installation Instructions

SETUP & TESTING

HVAC INSTALLER SYSTEM SETTINGS TABLE

The following table contains the system settings and their details . Default settings are shown in bold . Some settings
are only available dependent upon the value of other settings .
System setting Description
00 . Equipment Type Equipment type set by SW1 .
01 . Control Setup Used to lockout heating or cooling outputs . (Only
available in Heat/Cool mode .)
02 . Number of Stages Number of equipment stages . (Three is only
available in Heat/Cool mode .)
03 . Aux Heat Stages Number of auxiliary heat equipment stages .
04 . Temperature Scale Set the thermostat to Fahrenheit or Celsius mode .
05 . Heat/Cool: Fan Control Heat/Cool: Determines if the thermostat or
in Heating equipment controls the fan in heating .
Heat Pump: Auxiliary Heat Pump: Auxiliary Equipment type .
Equipment Type
06 . Extended Fan – Heat Extends fan operation after heat call ends .
07 . Extended Fan – Cool Extends fan operation after cool call ends .
08 . Internal Temp Sensor Field adjustment of internal temperature sensor .
Offset
35 . Internal RH Sensor Offset Field adjustment of internal RH sensor .
09 . Auto Changeover Enable or disable auto changeover mode .
26 . Deadband Auto Changeover mode deadband .
10 . Remote Sensor Select if remote sensor is attached .
11 . Outdoor Sensor Select if outdoor sensor is attached or not .
35 . Return Sensor Select if return sensor is attached or not .
12 . Compressor Min Off Time Minimum off time for compressor protection .
13 . Heating Min Off Time Minimum off time for heating .
14 . Equipment Min On Time Minimum on time for heating and cooling .
15 . Auto Changeover Time Minimum time between heating and cooling calls .
16 . First Stage Differential 1st stage differential .
17 . Second Stage Differential 2nd stage differential .
18 . Third Stage Differential 3rd stage differential .
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Factory default setting (bold)
and setting range
Heat /Cool
Heat Pump
Heat and Cool
Heat Only
Cool Only
One
Two
Three
One
Two
Fahrenheit
Celsius
Gas/Oil Heat (equipment controls fan)
Electric Heat (thermostat controls fan)
Disable
Enable (90 second extension)
Disable
Enable (90 second extension)
0° (no offset applied)
-4°F to +4°F (-2°C to +2°C)
0 (no offset applied)
-5% to +5%
Disable
Enable
3°F (2°C)
2°F to 9°F (1°C to 5°C)
No
Yes
No
Yes
No
Yes
5 minutes
1 to 5 minutes
2 minutes
1 to 5 minutes
2 minutes
1 to 5 minutes
4 minutes
1 to 5 minutes
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
SETUP & TESTING
HVAC INSTALLER SYSTEM SETTINGS TABLE
System setting Description
19 . Fourth Stage Differential 4th stage differential .
20 . Heat Blast Enables the Heat Blast feature .
21 . Blast Offset Amount of heating when Heat Blast is initiated .
22 . Screen Lockout Screen lockout level . (Override lockout by holding
[MENU] for 7 seconds .)
23 . Partial Lockout Type Select lockout type . (Only available when screen
lockout is set to partial .)
24 . Max Temp Setpoint Select temperature setpoint limits . (Only available
Change In Lockout when screen lockout is set to partial .)
41 . Max Dehum Setpoint Select dehumidification setpoint limits . (Only
Change In Lockout available when screen lockout is set to partial .)
25 . Stage Rate Accumulation of equipment run time in equipment
staging determination .
1 = more rapid staging of equipment (comfort)
5 = slower staging of equipment (economy)
27 . Progressive Recovery Enable or disable progressive recovery .
28 . Low Balance Point Outdoor temperature low balance point . (This
option is only displayed if the outdoor sensor is
enabled .)
29 . High Balance Point Outdoor temperature high balance point . (This
option is only displayed if the outdoor sensor is
enabled .)
30 . Program Format Select weekly program format .
32 . Events Per Day Number of program events per day .
33 . Reset Service Reminders Clears the Change Air Filter and HVAC and
Dehumidifier Service reminders if they are active
and resets the start date to the current date .
Clears the Change Water Panel reminder if it is
active . If the reminder is set to timed, the clock
will be reset .
37 . HVAC Service Reminder The period for displaying the "HVAC Service
Reminder" message .
38 . Constant Backlight Enable constant, low intensity backlight when
24VAC is present .
39 . Backlight Intensity Backlight intensity as a percentage of full on .
40 . Auto Daylight Savings Enable or disable auto daylight savings .
(CONTINUED)
Factory default setting (bold)
and setting range
1°F (0.5°C)
1°F to 9°F (0 .5°C to 4 .5°C)
Disable
Enable
3°F (2°C)
3°F to 5°F (2°C to 3°C)
Off
Part
Full
Fan/Mode/Setpt
Fan/Setpoints
Setpoints Only
3 degrees
0 to 20 degrees
5 Percent RH
0 to 15 Percent RH
2
1 to 5 or "OFF" to ignore accumulated
run time .
Disable
Enable
20°F (-6°C)
10°F to 50°F (-12°C to 9°C) or OFF to
ignore
65°F (18°C)
40°F to 85°F(3°C to 18°C) or OFF to
ignore
7-Day (Mon, Tue, Wed, Thu, Fri, Sat, Sun)
5/1/1 (weekdays, Saturday and Sunday)
5/2 Weekdays (weekdays and weekends)
Non-Prog
Four
Two
No
Yes
Off
1 to 12 months or "Off" to disable
Disable
Enable
100 Percent
0 to 100 Percent
Off
March (second Sunday in March to the
first Sunday in November)
April (first Sunday in April to the last
Sunday in October)
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