Aprilaire 8600 Safety & Installation Instructions page 6

SETUp & TESTINg
INSTAllER SYSTEM SETTINgS TAblE
The following table is the list of the settings and their details. Default settings are shown in bold . Some settings are
only available to thermostats set to heat pump mode.
System setting
00 . Equipment type
01. Heat/Cool control
setup
02 . Equipment stages
03. Auxiliary heat
stages
04 . Temperature scale
05 . Fan control in
Heating/Aux heat
selection
06. Extended fan –
Heat
07. Extended fan –
Cool
08 . Internal sensor
offset
09. Auto changeover
10 . Remote sensor
11 . Outdoor sensor
12. Compressor
minimum off time
13 . Heating minimum
off time
14 . Equipment
minimum on time
15. Auto changeover
time
16 . 1st stage
differential
17 . 2nd stage
differential
18 . 3rd stage
differential
19 . 4th stage
differential
22 . Screen lockout
In heat pump mode, this system setting is also the auxiliary heat setting. If utilizing a fossil fuel auxiliary heat system, set to Gas or Oil Furnace.
1
In this setting, the heat pump will lock out before the fossil fuel auxiliary heat comes on; eliminating the need for a dual fuel kit. If utilizing
electric auxiliary heat, set to Electric. In this setting, the heat pump and electric auxiliary heat are allowed to run simultaneously.
6
61000729A 8600 Tstat Install.indd 6
Description
Equipment type is set by SW1
Used to lockout heating or
cooling outputs (only available in
Heat/Cool mode)
Number of stages of equipment
Number of stages of auxiliary heat
equipment
Set the thermostat to Fahrenheit or
Celsius mode
Determines if thermostat or
equipment controls fan in heating .
In heat pump applications, this is
also auxiliary heat selection.
1
Extends fan operation after heat
call ends
Extends fan operation after cool
call ends
Field adjustment of internal
temperature sensor
Enable or disable Auto changeover
mode
Select if remote sensor is attached
or not
Select if outdoor sensor is
attached or not
Minimum off time for compressor
protection
Minimum off time for heating
Minimum on time for heating and
cooling
Minimum time between heating
and cooling calls
1st stage differential
2nd stage differential
3rd stage differential
4th stage differential
Screen lockout level. (Override
lockout by holding [MENU] for 7
seconds)
factory default setting (bold) and setting range
Heat/Cool
Heat Pump
Heat and Cool
Heat Only
Cool Only
Single Stage
Multi Stage
1 Stage
2 Stages
fahrenheit
Celsius
gas or 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)
Disable
Enable
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 4°F (0.5°C to 2°C)
1°f (0.5°C)
1°F to 4°F (0.5°C to 2°C)
1°f (0.5°C)
1°F to 4°F (0.5°C to 2°C)
1°f (0.5°C)
1°F to 4°F (0.5°C to 2°C)
Off : No lockout
Partial lockout
Full lockout
10/8/10 10:32:42 AM