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6
MICROPROCESSOR CONTROL
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK DAY
MONITOR/SET
CLOCK
ON/OFF
ûFûC
ûFûC
ERROR CODE
AFTER
TIMER
TIME SUN MONTUE WEDTHU FRISAT
ON
OFF
Hr
AFTER
FILTER
FUNCTION
ONLY1Hr.
WEEKLY
SIMPLE
AUTO OFF
INDOOR UNIT CONTROL
6-1. COOL OPERATION
<How to operate>
Press POWER ON/OFF button.
Press the operation MODE button to display COOL.
Press the TEMP. button to set the desired temperature.
NOTE: The set temperature changes 2°F when the or button is
pressed one time. Cooling 67 to 87°F
Control modes
Control details
1-1. Thermoregulating function (Function to prevent restarting for 3 minutes)
• Room temperature desired temperature + 2°F
···Thermo ON
• Room temperature desired temperature
···Thermo OFF
1-2. Anti-freezing control
Detected condition : When the liquid pipe temp. (TH22) is 32°F or less in 16
minutes from compressors start up, anti-freezing control
starts and the thermo OFF.
Released condition : The timer which prevents reactivating is set for 3 minutes,
and anti-freezing control is cancelled when any one of the
following conditions is satisfied.
Liquid pipe temp. (TH22) turns 50°F or above.
The condition of the thermo OFF has become complete
by thermoregulating, etc.
The operation modes became mode other than COOL.
The operation stopped.
By the remote controller setting (switch of 4 speeds)
2. Fan
1. Thermoregulating
function
Remarks
Type
Fan speed notch
[Low], [Mid2], [Mid1], [High]
4 speeds type
→
(1) Initial setting: Start at COOL mode and horizontal vane.
(2) Vane position:
Horizontal →Downward A →Downward B →Downward C
(3) Restriction of the downward vane setting
When setting the downward vane A, B or C in [Mid] or [Low] of the fan speed
notch, the vane changes to horizontal position after 1 hour have passed.
3. Vane
(up/down vane change)
· "ONLY 1 Hr"
appears on the
wired remote
controller.