GVZC20 Installation Manual

45
12. Press Previous Menu button and navigate to
HOME screen and allow test to nish. The display
similar to the one at the right will be displayed
after SYSTEM TEST completes. Test is complete
only when CODE 11 notice clears from BOTH the
thermostat display AND the seven segment LED
display on the outdoor unit. Please wait for test to
complete and for both codes to clear.
Set Thermostat to CHARGE MODE
Please follow the following sequence to enter CHARGE
MODE.
CHARGE mode allows for charging of the system. System
operates for a duration of approximately one hour while
the equipment runs at full capacity. After one hour, the
CHARGE MODE ends and the system resumes normal
thermostat operation.
Before starting the CHARGE MODE, turn o󰀨 the electric
heater or gas furnace.
1. On the HOME screen, select MENU.
NOTE: Set cool or HEAT mode to OFF before
starting CHARGE MODE.
2. From the MENU screen, select
COMFORTNET™ USER MENU.
off