35
XC25
Table 6 continued
Description Example of Display
Diagnostic recall: Shows the last 10 stored diagnostic error
codes.
If first error is , second pause pause
Next codes (up to 10) are show using same method.
Fault memory clears
If there are no error codes stored: pause . After the fault memory
is cleared, the following display string will displayed with 0.5 seconds char
acter ON / OFF time:
pause
Active error in outdoor control Idle mode: Show all active
error(s) codes.
Following display string is repeated if Error E 125 and E 201 are present:
pause
Active error in run mode: Show current status and all active
error(s) codes.
Following display string is repeated if Error E 440 is present while outdoor
fan speed at 700RPM:
pause
Outdoor Ambient Temperature (OAT): Any time OAT is within
operating range, value is displayed if unit is in diagnostic and
non-diagnostic modes.
Following display string is repeated if cooling is active with outdoor fan
speed set at 650 RPM and OAT is 104
º
F:
pause pause pause
Outdoor Coil Temperature (OCT): Any time OCT is sensed in
operating range, value is displayed if unit is in diagnostic mode
or manually enabled for non-diagnostic modes.
Following display string is repeated if heat is active with outdoor fan speed
set at 550 RPM and OCT is 25
º
F:
pause pause pause
Liquid Line Temperature (LIQ): Any time LIQ is sensed in oper
ating range, value is displayed if unit is in diagnostic mode or
manually enabled for non-diagnostic modes.
Following display string is repeated if cooling is active with outdoor fan
speed set at 650 RPM and LIQ is 105
º
F:
pause pause pause
Pump Down Mode: While the unit is in pump down mode,
is displayed repeatedly. Errors are shown if they exist.
Following display string is repeated:
pause
pause pause pause
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 7seg
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 7seg
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 17. 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 singlecharacter display displays the selected mode per example in figure 16 on page 34. 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 XP25-024
3-ton heat pump XP25-036
4-ton heat pump XP25-048
7
5-ton heat pump XP25-060
2-ton air conditioner XC25-024
3-ton air conditioner XC25-036
4-ton air conditioner XC25-048
5-ton air conditioner XC25-060
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