T8624D CHRONOTHERM
®
IV DELUXE PROGRAMMABLE MULTISTAGE THERMOSTATS
9
69-1412—1
Table 5. Installer System Test Options.
NOTE: Press any key and the displayed numbers will change. Press Time
∇
to go to the previous test and Time
∆
to
go to the next test. The Run Program key will not exit this test. Press Time
∆
or Time
∇
and then the
Run Program key to exit.
Keys to
Press
Test
Number
Description
Heating Equipment System Tes
t
Time
∆
10
Enter heating equipment System Test.
!
11
Stage-one heat comes on. The system fan is also energized.
!
12
Stage-two heat comes on. Stage-one heat and system fan remain on.
"
11
Stage-two heat turns off.
"
10
Stage-one heat and system fan turn off.
Cooling Equipment System Test
Time
∆
30
Change from heating to cooling equipment System Test.
!
31
Stage-one cool and system fan come on.
"
32
Stage-two cool comes on. Stage-one cool and system fan remain on.
"
31
Stage-two cool turns off.
"
30
Stage-one cool and system fan turn off.
Fan Equipment System Test
Time
∆
40
Change from cooling to fan equipment System Test.
!
41
Fan comes on.
"
40
Fan turns off.
Key Operation System Test
Time
∆
60
Change from fan to key operation System Test.
