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XC20

PUSH

−

BUTTON OPERATION



Allows field access to Diagnostic, Fan, Defrost and Error Code Re

call modes.

Outdoor control must be in

IDLE mode (no heating or

cooling operation).

To enter mode options, push and hold button next to 7seg

ment display until DASH symbol appears. Immediately re

lease the button. Once dash starts flashing, proceed to

next step.

Push and hold button until mode

selection displays on the 7seg

ment display (, ,    ,  or

). Immediately release the button,

proceed to next step.

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.



NOTE - See table 6 for explanation of codes.

Figure 16. Push-Button Operation

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  

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 Unit Type Unit Model



2-ton heat pump XP20-024



3-ton heat pump XP20-036



4-ton heat pump XP20-048



5-ton heat pump XP20-060



2-ton air conditioner XC20-024