Operating Instructions - Nordyne iQ Drive User Manual

to the setting menu screens. The fan
will continue to cycle until a call for
cooling or heating is energized.
SERVICE INFORMATION: This screen
lists components status and faults if
any. Scroll up and down to obtain "Fault
Status" showing active fault and last 5
faults, "Compressor Status", "Outdoor
fan Status", "Indoor fan Status", "Tem-
perature Status" and option to "Clear
Fault History".
SECURITY LOCKOUT: Select from
"Temp Adjust Only" or "Total Keypad
Lockout" options.
A PIN number will be required. Use
the up, down and right arrows to select
your pin number. Press the center but-
ton to save. Screen will display locked
and return to main screen which will
alternate between "Locked" and the
"date and time". If "Temp Adjust Only"
is selected, you will be able to adjust
set points. For any other operations, the
PIN will be required. Once unlocked,
you need to set up a pin number again
to lockout the controller.

OPERATING INSTRUCTIONS

To Operate System in Cooling:
From MODE Screen, select AUTO
or COOL. From Main Screen use the
down arrow to set cooling temperature
below room temperature. Verify that the
indoor fan calibration is performed and
that system starts running. To set sys-
tem operation, select MENU from the
Main Screen and follow the instructions
listed under previous section.
6
To Operate Furnace in Heating:
From MODE Screen, select AUTO or
HEAT. From Main Screen use the up
arrow to set heating temperature above
room temperature. If system has been
properly confi gured, heating will start
to operate.
To Shut Off the System:
The system is designed to continuously
operate within a wide range of speeds
to provide ultimate comfort, adequate
matched to load capacity and maximum
effi ciency. It will turn off automatically if
required. However if there is a need to
shut off the system, select OFF from
Operating Mode Screen.
To Operate Indoor Blower Only:
Select FAN from MAIN menu screen, then
select ON for continuous blower opera-
tion or Programmed Fan for intermittent
option.
NOTE: The controller is programmed to
start a fan calibration occurrence every
week and every time the power is lost
for more than 8 hours. This function
starts the indoor blower and calibrates
air volume to motor speed.
TO MAINTAIN SYSTEM:
CAUTION:
Be certain the electrical power to the
outdoor unit and the indoor unit is
disconnected before doing the following
recommended maintenance.