Outdoor Control Push-Button Operation - Lennox XC20-036-230-01 Installation And Service Procedure

PUSH − BUTTON OPERATION
Allows field access to Diagnostic, Fan, Defrost and Error Code Re­
call modes.
To enter mode options, push and hold button next to 7­seg­
ment display until DASH symbol appears. Immediately re­
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 single­character 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
17
19
21
22
24
26
28
29
XC20
Push and hold button until the selection stops flashing, then release button. The 7 seg­
ment display shows the selected mode and the control performs the selected function.
Figure 16. Push-Button Operation
Unit Type
2-ton heat pump
3-ton heat pump
4-ton heat pump
5-ton heat pump
2-ton air conditioner
3-ton air conditioner
4-ton air conditioner
5-ton air conditioner
Outdoor control must be in
IDLE mode (no heating or
cooling operation).
NOTE - See table 6 for explanation of codes.
Push and hold button until mode
selection displays on the 7­seg­
_
ment display (A, F, P U, d F, E or
c). Immediately release the button,
proceed to next step.
_
Unit Model
XP20-024
XP20-036
XP20-048
XP20-060
XC20-024
XC20-036
XC20-048
XC20-060
38
A
A