22
1. Drain pump
Control modes
Control details
HEAT mode for room temperature < Desired temperature
COOL mode for room temperature Desired temperature
(1) HEAT mode → COOL mode
Room temperature Desired temperature + 3°F or 3 minutes has passed
(2) COOL mode → HEAT mode
Room temperature Desired temperature - 3°F or 3 minutes has passed
1. Initial value of
operation mode
Remarks
2. Mode change
Same control as cool operation
3. COOL mode
Same control as heat operation
4. HEAT mode
Control modes
Control details
1-1. Drain pump control
The drain pump turns ON for the specified amount of time when any of the
following conditions is met (regardless of whether the compressor is ON or OFF)
ON for 3 minutes after the operation mode is switched from COOL or DRY to another
operation mode (HEAT mode).
ON for 6 minutes after the drain sensor is determined to be submerged using the
liquid level detection method given below.
ON for 6 minutes after indoor piping (liquid piping) temperature – indoor intake
temperature 14°F, and the drain sensor input is at the short or open level.
(If condition or is still being met after the drain pump has been turned ON for 6
minutes, the drain pump is kept ON for a further 6 minutes.)
1-2. Liquid level detection method
The liquid level is detected by determining whether or not the drain sensor is
submerged, based on the amount the temperature rises after self-heating the
sensor.
This process is performed if any of the following conditions is met:
Drain pump is ON.
Indoor piping (liquid piping) temperature – indoor intake temperature 14°F
(except during defrosting)
Indoor piping (liquid piping) temperature or indoor intake temperature is at the short
or open level temperature.
Every 1 hour after the drain pump has been switched from ON to OFF.
Remarks
PAR-21MAA
ON/OFF
FILTER
CHECK
OPERATION
CLEAR
TEST
TEMP.
MENU
BACK DAY
MONITOR/SET
CLOCK
ON/OFF
ûF ûC
°F °C
ERROR CODE
AFTER
TIMER
TIME SUN MON TUE WED THU FRI SAT
ON
OFF
Hr
AFTER
FILTER
FUNCTION
ONLY1Hr.
WEEKLY
SIMPLE
AUTO OFF
9-5. AUTO OPERATION [AUTOMATIC COOL/HEAT CHANGE OVER OPERATION]
<How to operate>
1 Press POWER ON/OFF button.
2 Press the operation MODE button to display AUTO.
3 Press the TEMP. button to set the desired temperature.
NOTE: The set temperature changes 1°F(2°F) when the or button is
pressed once. Automatic 67 to 83°F
Variable range of the set temperature depends on the remote controller
which is applied.
“AUTO” works to change the operation mode either to cooling or heat-
ing according to the room temperature.
9-6. WHEN UNIT IS STOPPED CONTROL MODE
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