Installation, Operation & Maintenance Manual -
PS-121B / PSH-141A
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PSH-141A
Installation, Operation & Maintenance
OPERATING INSTRUCTIONS
Operating Instructions
- Press the "MODE" button until the "COOL"
indicator light comes on.
- Press the ADJUST buttons "+" or " - " buttons to
select the desired room temperature.
- Press the "FAN SPEED" button to select the
desired fan speed.
- Press the "MODE" button until the "DRY"
indicator light comes on.
- Under this mode, you cannot select a fan
speed or adjust the temperature. The fan
motor operates at LOW speed automatically.
- Keep windows and doors closed for the
best dehumidifying effect.
- Do not connect the duct to window.
COOL operation
- Press the "MODE" button until the
"FAN " indicator light comes on.
- Press the "FAN SPEED" button to
choose the desired fan speed. The
temperature cannot be adjusted.
- Do not connect the duct to window.
FAN operation
TIMER operation
- Press the "MODE" button until the "HEAT"
indicator light comes on.
- Press the "+" or " - " buttons to select the desired
room temperature.
- Press the "FAN SPEED" button to select the
desired fan speed. For some models, the fan speed
can not be adjusted while the unit is in HEAT mode.
HEAT operation
(cooling only models without)
AUTO operation
- When you set the air conditioner in AUTO
mode, it will automatically select cooling,
heating or fan only operation depending
on what temperature you have selected
in relation to the actual room’s temperature.
- The air conditioner will cool / heat
automatically around the
temperature point set by you.
- Under AUTO mode, you can not
change the fan speed.
- When the unit is on, press the
Timer button to initiate the Auto-off
program, the TIMER OFF
indicator light illuminates. Press the
(+) or (-) buttons to select the desired
time within 5 seconds. Press the TIMER
button again to initiate the Auto
on timer program, the TIMER
ON indicator light illuminates. Press
the (+) or (-) buttons to select the
desired Auto-on start time.
- When the unit is off, press the Timer
button to initiate the Auto-on start
program, press it again within five
seconds to initiate the Auto-off stop
program.
- Press or hold the (+) or (-) buttons to
change the Auto time by 0.5 hour
increments, up to 10 hours, then
at 1 hour increments up to 24
hours. The control will count down
the time remaining until start.
- The system will automatically revert
back to display the previous temper-
ature setting if there is no operation
in a five second period.
Error codes and protection code:
E1-
Room temperature sensor error-
Unplug the unit and plug it back in.
If error repeats, call for service.
E2-
Evaporator temperature sensor error-
Unplug the unit and plug it back in.
If error repeats, call for service.
E3-
Con
d
enser temperature sensor error-
Unplug the unit and plug it back in. If error
repeats, call for service.
E4-
Display panel
communication
error-
Unplug the unit and plug it back in.
If error repeats, call for service.
P1-
Bottom tray is full
- Connect the
drain hose and drain the collected
water away. If error repeats, call
for service.
DRY operation
Heat Controller
