GVZC20 Installation Manual

42
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 o󰀨 the electric heater
or gas furnace.
NOTICE


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.
FOR INVERTER H/P SYSTEM USING COMFORTNET, DO NOT INSTALL A
TRANSFORMER.
NOTICE
The HOME screen will be displayed showing
information similar to one of the adjacent screens.
Select MENU.
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: Ensure the thermostat is in OFF mode.