11 62-0266
SYSTEM TESTS
Test the system’s heating cooling, fan and emergency 
heat. Available tests vary by thermostat and system 
type.
CAUTION
EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during 
testing. To prevent equipment damage, avoid 
cycling the compressor quickly.
Table 2. Installer System Tests.
System Test
 Number
Test  Ty pe
Default 
Setting
System Status Number 
and Description
Test 1 Installer Test 
Cool
00—Off
1—Cool Stage 1
2—Cool Stage 2
Test 2 Installer Test 
Fan
00—Off
1—Fan On
Test 3 Installer Test 
Heat
00—Off
1—Heat Stage 1
2—Heat Stage 1 and 2
3—Heat Stage 1,2 and 3
Test 4 Installer Test 
Auxiliary Heat
0 0—Auxiliary Heat Off
1—Auxiliary Heat On
Test 8 Installer Test 
TOD/
Economizer
0 0—TOD/Economizer Off
1—TOD/Economizer On
62-0266.fm  Page 11 Thursday, September 18, 2008  11:25 AM