Lennox LCT240H User Manual

Page 83
508288-01 9/2022
TABLE 25 - 581025-01
LGT/LCT 156, 180, 210, 240, 300 Staged
Para
meter
Factory Setting
Field
Setting
Description
156 180 210 240 300
Note: Any changes to Smoke CFM setting must be adjusted before the other CFM settings.
Use SETTINGS > RTU OPTIONS > EDIT PARAMETERS
12
5200
CFM
6000
CFM
7000
CFM
8000
CFM
10000
CFM
CFM Blower CFM during smoke detection.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > BLOWER > SPEEDS)
17
1150
CFM
1325
CFM
1550
CFM
1750
CFM
2200
CFM
CFM
Blower CFM during COOLING LOW operation.
14
4550
CFM
5250
CFM
6125
CFM
7000
CFM
8750
CFM
CFM
Blower CFM during COOLING HIGH operation.
13
5200
CFM
6000
CFM
7000
CFM
8000
CFM
10000
CFM
CFM
Blower CFM during Heating operation.
18
1150
CFM
1325
CFM
1550
CFM
1750
CFM
2200
CFM
CFM
Blower CFM during ventilation.
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > DAMPER)
9 0% 0% 0% 0% 0% % Damper min. position during LOW blower operation.
132
0% 0% 0% 0% 0% % Damper min. position during HIGH blower operation.
215
50% 50% 50% 50% 50% % Min. damper % for stg 1 power exhaust operation.
SETTINGS > RTU OPTIONS > EDIT PARAMETERS
29 101% 101% 101% 101% 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)
219 75% 75% 75% 75% 75% % Min. damper % for stg 2 power exhaust operation.
216 10% 10% 10% 10% 10% % Deadband % for stage 1 power exhaust operation.
220 10% 10% 10% 10% 10% % Deadband % for stage 2 power exhaust operation.
224 100 100 100 100 100 Sec Stage 1 power exhaust off-delay in seconds.
30 70% 70% 70% 70% 70% %Speed Minimum blower speed % for stage 2 power exhaust operation.
TABLE 26 - 581026-01
LGT/LCT 156-300 - VAV - Test and Balance Settings
Para-meter Factory Setting Field Setting Description
Use SETTINGS > RTU OPTIONS > EDIT PARAMETERS
386 1 W.C. Supply static pressure setpoint during smoke operation.
SETUP > TEST & BALANCE > (can also use SETTINGS > RTU OPTIONS > BLOWER > SPEEDS)
1
W.C.
Supply static pressure setpoint
SETUP > TEST & BALANCE (can also use SETTINGS > RTU OPTIONS > DAMPER) (Optional)
132
0% % Damper min. position during blower operation.
215
50% % Min. damper % for stage 1 power exhaust operation.
219 75% % Min. damper % for stage 2 power exhaust operation.
217
0.05 W.C. Pressure setpoint for stage 1 power exhaust operation.
221
0.10 W.C. Pressure setpoint for stage 2 power exhaust operation.
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)

Lennox LCT240H Specifications

General

Brand	Lennox
Model	LCT240H
Category	Air Conditioner
Language	English