Page 37
508336-01 4/2023
Configuration ID 2
1 2 3 4 5 6 7 8 9 10
Not Installed = N
Installed on M4 = C
Installed on DDC
Controller = D
Dirty Filter Switch (S27) [2]
Not Installed = N
Installed on M4 = C
Installed on DDC Controller = D
Not Installed = N
Installed = Y
N = Not Installed
Y = Installed
[8] Load Shedding
N = Not Installed
G = Global (P297 - pin 9)
2 = Installed on DI-2
3 = Installed on DI-3
[9] Electric Heat
(Field-Installed)
[1]
Air Flow Proving
Switch (S52)
[3]Overflow Switch
(S149 / S179)
[4]
Reserved
Reserved for future use = N
[7] Zone Bypass
Damper
N = Not Installed
Y = Installed
[6] IAQ Options
N = Not Installed
1 = UV Lamp Installed
2 = Bipolar Ionizer Installed
3 = UV Lamp and
Bipolar Ionizer Installe
FIGURE 31
[10] Reserved
N = Not Installed
Phase / Voltage Detection * [5]
N = Not Installed
1 = Enabled Internal (Lennox)
2 = External (A42) Phase Detection
on DI-2
3 = External (A42) Phase Detection
on DI-3
* When phase detection and voltage monitoring is enabled and wired incorrectly,
the system will go into demand hold status and restart after six minutes.
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