Unit Selection Code For Outdoor Control - Lennox EL23XCV Series Manual

PUSH − BUTTON OPERATION
Allows
call modes.
ment display until DASH
lease the button. Once dash starts flashing, proceed to
next step.

Unit Selection Code for Outdoor Control

If the single-character display shows three (3) horizontal lines, the unit selection code needs to be programmed. Press and hold the button until the
P U menu option is displayed, release button. The single-character display displays the selected mode per example in figure 15 on page 36. When
the desired unit selection code appears, press and hold the button until it stops flashing, then release.
Unit Code
68
69
70
71
Idle mode – System is energized with no demand – Decimal flashes at 1 Hertz > 0.5 second ON. 0.5 second OFF
Display Symbol
Display
or Character
Displayed during Display string shows outdoor control firmware version 1 _ 6 > pause > A C or H P unit > pause > unit capacity in BTUs >
start-up or power
pause > unit code. If 3 horizontal bars are displayed during any sequence of this display string, it indicates that the specific
recycling parameter is not configured.
.
Idle mode — decimal flashes at 1 Hertz > 0.5 second ON, 0.5 second OFF
Indicates cooling Capacity. C1 or C2 if conventional 24VAC thermostat or demand percentage if S30 communicating
C
thermostat is used i.e. C 9 0
Indicates you are in the outdoor fan test
F
mode
A in the display string represents the
ambient temperature in °F at the sensor on
A
the outdoor unit.
ment display shows the selected mode and the control performs the selected function.
FIGURE 18. Push-Button Operation
2-ton air conditioner
3-ton air conditioner
4-ton air conditioner
5-ton air conditioner
Fan Test and Display String Option
Control must be in Idle mode: To enter fan test option - F mode, push and hold
button until solid – appears, release button. Display begins flashing. Within 10
seconds, push and hold button until required symbol F displays, release button.
Display begins flashing. Within 10 seconds, push and hold button until display
stops flashing, release button. Control will initiate outdoor fan operation. Outdoor
fan cycles ON for 10 minutes at the highest speed. To exit test – Push and hold
button until three horizontal bars display. Release button, outdoor fan cycles
OFF.
Control can be in Idle or demand mode: To enter display configuration option
- A mode, push and hold button until solid – appears, release button. Display
begins flashing. Within 10 seconds, push and hold button until required symbol
A displays, release button. Display begins flashing. Within 10 seconds, push
and hold button until display stops flashing, release button. Display shows
error (E) code(s) and ambient (A), outdoor coil (c) and liquid (L) temperatures in
Fahrenheit.
NOTE - If button is not pushed in the 10-second time period, the control exits the
test mode. If this occurs, test mode must be repeated.
Outdoor control must be in
IDLE mode (no heating or
cooling operation).
NOTE - See table 7 for explanation of codes.
Push and hold button until mode
_
ment display ( , ,
). Immediately release the button,
proceed to next step.
_
Unit Type
Page 43
,
or
Unit Model
EL23XCV-024
EL23XCV-036
EL23XCV-048
EL23XCV-060