Lennox LCH036 Installation Instructions Manual page 96

LGH/LCH092H4M, 102H4M, 120H4M, 150H4M (2-Compressor) Staged Belt Drive
Factory Setting
Para­
meter
092 102
Note: Any changes to Smoke CFM setting must be adjusted before the other CFM settings. Use SETTINGS > RTU OPTIONS > EDIT
PARAMETERS
3000 3400
12
CFM CFM
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > BLOWER > SPEEDS)
3000 3400
CFM CFM
2700 2200
CFM CFM
1950 3050
CFM CFM
3000 3400
CFM CFM
*Once all four blower settings are entered, the target (highest of the heating and cooling settings) CFM will be displayed. Once the target CFM is
saved, all other blower CFM are set by the Unit Controller.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > DAMPER)
0% 0%
0% 0%
50% 50%
SETTINGS > RTU OPTIONS > EDIT PARAMETERS
29 101% 101% 101%
216 5% 5%
Factory Setting
Paramet­
er
094
Note: Any changes to Smoke CFM setting must be adjusted before the other CFM settings. Use SETTINGS > RTU OPTIONS > EDIT
PARAMETERS
12 3000 CFM 4000 CFM
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > BLOWER > SPEEDS)
3000 CFM 4000 CFM
2700 CFM 3600 CFM
1950 CFM 2600 CFM
3000 CFM 4000 CFM
*Once all four blower settings are entered, the target (highest of the heating and cooling settings) CFM will be displayed. Once the target CFM is
saved, all other blower CFM are set by the Unit Controller.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > DAMPER)
0%
0%
50%
SETTINGS > RTU OPTIONS > EDIT PARAMETERS
29 101%
216 5%
SETTINGS > RTU OPTIONS > EDIT PARAMETER
85 40°F
86 40°F
Field
120 150 Setting
4000 5000
CFM Blower CFM during smoke detection.
CFM CFM
4000 5000
CFM
CFM CFM
3600 4500
CFM
CFM CFM
2600 3250
CFM
CFM CFM
4000 5000
CFM
CFM CFM
0% 0% % Damper min. position during LOW blower operation.
0% 0% % Damper min. position during HIGH blower operation.
50% 50% % Min. damper % for stage 1 power exhaust operation.
101% %
Open
5% 5% % Deadband % for stage 1 power exhaust operation.
LGH/LCH094U4M, 122U4M, 152U4M (2-Compressor) Staged Belt Drive
122 152
5000 CFM
5000 CFM
4500 CFM
3250 CFM
5000 CFM
0% 0%
0% 0%
50% 50%
101% 101%
5% 5%
40°F 40°F
40°F 40°F
TABLE 35
580682
Blower CFM during heating.
Blower CFM during high speed (2 compressor) cooling.
Blower CFM during low speed (1 compressor) cooling.
Blower CFM during ventilation.
Damper minimum position during G blower operation. (Setting parameter 29 to "101"
disables parameter 29 and passes control to parameter 9 or 132)
TABLE 36
580686
Field
Setting
CFM Blower CFM during smoke detection.
Blower CFM during heating.
CFM
Blower CFM during high speed (2 compressor) cooling.
CFM
Blower CFM during low speed (1 compressor) cooling.
CFM
Blower CFM during ventilation.
CFM
% Damper min. position during LOW blower operation.
% Damper min. position during HIGH blower operation.
% Min. damper % for stage 1 power exhaust operation.
Damper minimum position during G blower operation. (Setting paramet­
er 29 to "101" disables parameter 29 and passes control to parameter 9
%
Open
or 132)
% Deadband % for stage 1 power exhaust operation.
Compressor 1 low temp lockout. Settings lower than 40°F could void
°F
warranty.
Compressor 2 low temp lockout. Settings lower than 40°F could void
°F
warranty.
Page 46
Description
Description