Page 59
SGH/SCH036, 060, 120, 240
TABLE 41
580903-01
SG/SC 120 Staged Blower
Parameter
Factory Setting
Field Setting
Description
Note: Any changes to Smoke CFM setting must be adjusted before the other CFM settings. Use SETTINGS > RTU OPTIONS > EDIT PARA
METERS
12
4000 CFM
CFM
Blower CFM during smoke detection.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > BLOWER > SPEEDS)
4000 CFM
CFM
Blower CFM during heating.
3600 CFM
CFM
Blower CFM during high speed cooling (2 compressor) operation.
2600 CFM
CFM
Blower CFM during low speed cooling (1 compressor) operation.
4000 CFM
CFM
Blower CFM during ventilation.
*Once all four blower settings are entered, the target (highest of the heating and cooling settings) CFM will be displayed. Once the RPM is saved for the target CFM, all
other blower RPM values are set by the Unit Controller according to the field CFM setting.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > DAMPER)
0%
%
Damper min. position during LOW blower operation.
0%
%
Damper min. position during HIGH blower operation.
50%
%
Min. damper % for stage 1 power exhaust operation.
SETTINGS > RTU OPTIONS > EDIT PARAMETERS
29
101%
%
Open
Damper minimum position during G blower operation. (Setting parameter 29 to “101”
disables parameter 29 and passes control to parameter 9 or 132)
216
5%
%
Deadband % for stage 1 power exhaust operation.
TABLE 42
580904-01
SG/SC 240 Staged Blower
Parameter
Factory
Setting
Field Setting
Description
240
Note: Any changes to Smoke CFM setting must be adjusted before the other CFM settings.
Use SETTINGS > RTU OPTIONS > EDIT PARAMETER
12
8000 CFM
CFM
Blower CFM during smoke detection.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > BLOWER > SPEEDS)
8000 CFM
CFM
Blower CFM during heating.
7200 CFM
CFM
Blower CFM during compressor 4 operation.
5200 CFM
CFM
Blower CFM during compressor 3 operation. This parameter is inactive for thermostats with 2-stage cooling.
5200 CFM
CFM
Blower CFM during compressor 2 operation.
5200 CFM
CFM
Blower CFM during compressor 1 operation. This parameter is inactive for thermostats with 2-stage or 3-stage
cooling.
8000 CFM
CFM
Blower CFM during ventilation.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > DAMPER)
0%
%
Damper min. position during LOW blower occupied operation.
0%
%
Damper min
.
position during HIGH blower operation.
50%
%
Min
.
damper % for stage 1 power exhaust operation.
SETTINGS > RTU OPTIONS > EDIT PARAMETERS
29
101%
%
Damper minimum position during G blower operation. (Setting parameter 29 to “101” disables parameter 29 and passes
control to parameter 9 or 132)
219
70%
%
Min
.
damper % for stage 2 power exhaust operation.
216
10%
%
Deadband % for stage 1 power exhaust operation.
220
10%
%
Deadband % for stage 2 power exhaust operation.
224
100
Sec
Stage 1 power exhaust off-delay in seconds.
30
70%
% Speed
Min. blower speed % for stage 2 power exhaust operation.
