Lennox EL23XCV Series Manual page 41

POWER-UP / RESET:
FIRMWARE VERSION: During initial power-up or reset, the
first item displayed is the outdoor control firmware version.
Example to the right shows firmware version 2.3.
UNIT TYPE: The next item displayed is the self discovery
unit type. AC = air conditioner and HP = heat pump. If the
unit type cannot be determined, three bars appear.
UNIT NOMINAL CAPACITY: The next item to be displayed
is the self-discovery unit nominal capacity. Valid capacities
are 24 for 2-ton, 36 for 3-ton, 48 for 4-ton and 60 for 5-ton
pear.
UNIT CODE
ery unit code. (may be a single character or two characters).
If the unit code cannot be determined, three bars appear.
UNIT CODE UNIT TYPE, SIZE AND MODEL
NOT PROGRAMMED
6 8
2-TON AIR CONDITIONER
9
6
3-TON AIR CONDITIONER
7 0
4-TON AIR CONDITIONER
1
7
5-TON AIR CONDITIONER
FIGURE 17. Outdoor Control 7-Segment Unit Status Displays
7-SEGMENT POWER-UP DISPLAY STRING
(These are just examples of firmware version, unit type,
EL23XCV-024
7-SEGMENT POWER-UP DISPLAY STRING EXAMPLE
2
EL23XCV-036
FIRMWARE
VERSION
EL23XCV-048
EL23XCV-060
Page 41
.
OR
OR
3 0
THROUGH
unit nominal capacity and unit codes.)
.
UNIT UNIT
TYPE CAPACITY
OR
4
3
OR
.
UNIT
CODE
IDLE MODE