Status Menu
Acve Errors
Example
1 Stage Gas Heat
Example
800 CFM
Last 6 Faults
Example
Open Limit Switch
Error
Control Release #
Example
Soware Version #
Cooling Off Delay
Example
seconds
Example
Enhanced Mode
Outdoor Tonnage
Example
Outdoor Nominal Tonnage
OD Unit Type
Example
Connuous Fan
Example
50% Cooling Airflow
Cooling CFM
per Ton
Example
CFM per Ton
Heat Off Delay
Example
Seconds
Inter-Stage Delay
Example
Seconds
Gas Heang CFM
Example
2
nd
stage Heang CFM
L8V1
Control System Menu
Example
2 stage 1 compressor
Example
2 stage 2 compressor
CLEARING THE LAST6 FAULTS:
To clear the stored faults, scroll to the last 6 faults
menu (LF6), enter the menu by scrolling to the right
and hold the “OPTION” key for at least 5 seconds.
Release and a set of 3 dashes will be seen 3 mes.
This confirms the faults have been cleared.
SETTING UP YOUR SYSTEM:
To change any factory default value, first remove any “call”
from the furnace and allow any fan off delays to finish. (
should be seen on the display.)
Scroll to the selected Menu item by momentarily depressing
the “MENU” key and then depress the “OPTION” key to the
desired seng. Then momentarily depress the “MENU” key
again to save the change.
CFM per Ton selecons range from 290 – 450
Important:
When applied with zoning or a VSPD outdoor unit,
the CFM/Ton must be set to 400 and ODT must
match the OD tonnage.
Gas heang CFM can be adjusted while the unit is
operang in gas heat mode to enable the technician to
quickly adjust to the manufacturer's suggested heat
rise across the heat exchanger.
Mulply the value shown by 10 for actual airflow.
Model Gas Heang CFM [ ]=Default
Upflow
L8V1A040U3VS 061[061], 063, 070, 055
Model ODT Opons [ ]= Default
Upflow
Heang CFM
per Ton
Example
CFM per Ton
Run Test Mode
See Run Test Menu
L8V1A040U3VS 3T[3T], 1.5T, 2T, 2.5T
Example
2ⁿ Stage Pressure Switch Error
Exam
pl
e
1 Stage Pressure Switch Error
E3_4
E3_1
E04
E3_4 E3_1
Example
2ⁿ Stage Pressure Switch Error
Example
1 Stage Pressure Switch Error
021
1_5
1-1 2-1
2-2
1 stage 1 compressor
50
75 100 25
370
400
370
400
140
180 60
099
083 096
L8V1A060U3VS 3T[3T], 1.5T, 2T, 2.5T
L8V1B080U4VS 4T[4T], 2T, 2.5T, 3T, 3.5T
L8V1C100U5VS 5T[5T], 2.5T, 3T, 3.5T, 4T, 4.5T
Note:
Do not adjust COF above 50%.
L8V1C100U5VS 150[150], 160, 190, 200
L8V1B080U4VS 135[135], 140, 118, 125
L8V1A060U3VS 099[099], 113, 083, 096
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