CKT04 ADDENDUM
83
Thermostat Menu Screen
System Start-up Test
O
N
INITIAL
POWER
START
-
UP
,
THE
OUTDOOR
UNIT
WILL
DISPLAY
CODE
E11,
SIGNALING
THAT
INITIAL
SYSTEM
TEST
MUST
BE
RUN
. F
OLLOW
THE
C
OMFORT
N
ET
™
SETUP
SCREEN
TO
ENTER
APPLICATION
-
UNIQUE
INFORMATION
. S
EE
C
OMFORT
N
ET
THERMOSTAT
MANUAL
FOR
DETAILED
INFORMATION
.
NOTICE
A system test is now required to check the equipment settings
and functionality. Once selected, it checks the equipment
for approximately 5 - 15 minutes. System test may exceed
15 minutes if there is an error. Refer to the Troubleshooting
section.
Before starting the SYSTEM TEST, turn off the electric heater
or gas furnace.
NOTE
: If the unit is attempting the SYSTEM TEST in under
20°F ambient temperature, it may not be able to complete
the test due to low suction pressure. In such case, rerun the
SYSTEM TEST when the ambient temperature exceeds 20°F.
1. Ensure the thermostat is installed.
2. Apply power to outdoor and indoor units.
3.
Start-up.
After the application information is entered,
the initial system test must be run.
F
OR
INVERTER
SYSTEM
USING
C
OMFORT
N
ET
,
DO
NOT
INSTALL
A
TRANSFORMER
.
A/C
NOTICE
The HOME screen will be displayed showing
information similar to one of the adjacent screens.
Select MENU. Make sure the thermostat is in OFF
mode and select SYSTEM MENU. Choose OFF before
SYSTEM VERIFICATION test.
NOTE
: Either screen may be displayed. SYSTEM
TEST must be run for all installations. System will not
operate without a completed initial SYSTEM TEST.
NOTE
: The thermostat screen may indicate to run
SYSTEM VERIFICATION test.
NOTE
: If the unit is attempting the SYSTEM TEST in
under 20°F ambient temperature, it may not be able
to complete the test due to low suction pressure. In
such case, rerun the SYSTEM TEST when the ambient
temperature exceeds 20°F.
