22
<How to operate>
1
Press POWER ON/OFF button.
2
Press the operation MODE button to display COOL.
3
Press the TEMP. button to set the set temperature.
NOTE
: The set temperature changes 1°F when the or
button is pressed one time. Cooling 67 to 87°F
<How to operate>
1
Press button.
2
Press [F1] button to display COOL.
3
Press [F2] [F3] button to set the set temperature.
NOTE
: The settable temperature range varies with the model of
outdoor units and remote controller.
MICROPROCESSOR CONTROL
8
INDOOR UNIT CONTROL
8-1. COOL OPERATION
F2
F3
F4
F1
Control Mode
Control Details
Remarks
1. Temperature
adjustment
function
1-1. Determining temperature adjustment function
(Function to prevent restarting for 3 minutes)
• Room temperature
]
Set tempe 2°F ···Thermo-ON
• Room temperature
[
Set temperature ···Thermo-OFF
• The ON/OFF commands
by the indoor unit
thermostatic control
are not an ON/OFF
commands to the
compressor but an
open/close commands
to the linear expansion
valve. (The compressor
stops only when the
thermostatic control
for all the indoor units
connected to the same
outdoor unit turns OFF.)
1-2. Anti-freeze control
■ Condition to detect
When the pipe temperature detection thermistor/liquid (TH22) detects 32°F or less in 16 minutes
from thermo-ON, the anti-freeze control initiates, and the unit enters to the thermo-OFF.
■ Condition to release
The timer which prevents reactivating is set for 3 minutes, and anti-freeze control is
cancelled when any one of the following conditions has been satisfied:
1
Pipe temperature detection thermistor/liquid (TH22) reaches 50°F or above.
2
The condition of thermo-OFF has been completed by the thermostat.
3
The operation has changed to a mode other than COOLING.
2. Fan
By the remote controller setting (switch of 4 Auto)
Type
Fan speed notch
4 Auto type
Auto
When [Auto] is set, fan speed is changed depending on the value of:
∆T = Room temperature − Set temperature
Continue to the next page
.
High
Med2
Med1
Low
1.8
-
F
3.15
-
F
5.4
-
F
⊿
T
OCH611D
