Lennox XC20-036-230-01 Installation And Service Procedure page 41

How to enable liquid line temperature information on a 7-segment display
Both coil and liquid line temperatures can be enabled for display
either during normal demand operation or while in idle mode.
To enable temperature display, push
and hold button next to 7-segment
display until dash symbol appears
and immediately release button.
Once dash starts flashing, proceed
to next step.
Push and hold the button until the solid
A
appears on the 7-segment display.
Then, immediately release the button.
During thermostat demand of the outdoor control, the 7-segment display shows the cooling or heating (percent demand), fan RPM, error codes if present, and
outdoor ambient, Coil and liquid line temperatures need to be manually enabled to be displayed.
5 0 C F 7 0
FAN RPM
PERCENTAGE OF
MAXIMUM CAPACITY
NOTE - The coil and liquid line temperature readings are temporarily shown on the outdoor 7-segment display when the iComfort Wi-Fi
accessed.
Outdoor control is either in IDLE
Yes
mode or heating / cooling
_
_
a
0
E 4 4 2
ACTIVE ERRORS
ONLY
Figure 19. Enabling Liquid Line Temperature Information
NOTE - If system power is recycled, display string reverts back to
default. Repeat the procedure which enables the outdoor coil and
liquid line temperature information. All temperatures are dis­
played in Fahrenheit.
demand)
Push and hold button until the
A
flashing stops flashing then
release button. The display shows
the coil and liquid line temperature if
there is an active demand running.
c 7 7
A 7 7
OUTDOOR COIL
OUTDOOR
AMBIENT TEMP (*)
41
Wait until unit returns
to a active demand or
idle mode.
A
A
L 1 0 7
OUTDOOR LIQUID
LINE TEMP
®
diagnostic screen is
XC20