Carrier XCT7 40VH A-7G Series Installation And Owner's Manual page 17

Parts and Functions
Control Button and Display Definition
Operating mode Button
Operating mode changes in order
below each time the button is
pressed:
Auto Heat
Exchange
Time button
Clock and Time Setting
Setting button
For clock setting and timing
Time Setting button
For selecting timing mode:
Timed Start, Timed Shutdown,
Untimed
Lock Button
For locking in buttons and
content on LCD
Bypass
Air Speed Button
Air volume changes in cycle below when
the button is pressed upon starting the
unit:
High
Blast
Health Button
Under start-up and shutdown
conditions, wire control sends health
signal to heat reclaim ventilation when
the button is pressed, and heat reclaim
ventilation enters health mode upon
receiving signal; at the same time, wire
control indicates health status. Health
mode is cancelled when the unit is shut
down.
ON/OFF Button
Press the button once to start up and twice
to shut down. The cycle goes on.
Screen Clean-up Button
When the system runs for 500 hours in total
(operating hours reduced by half under by-
pass operating mode), wire control registers
for screen cleanup and screen indicator
flashes. After screen gets cleaned up and
reinstalled, press screen clean-up button so
that the system runs normally.
9
Low High Air Low Air
Blast Change Change