Auto Operation [Automatic Cool / Heat Change Over Operation] - Mitsubishi Electric City Multi PEFY-P06NMSU-E Technical & Service Manual

[ VII Microprocessor Control ]
This control is same for the model without auxiliary heater.
(4) Thermo OFF mode
When the thermoregulating function changes to OFF, the indoor fan operates in [Extra low].
(5) Heat defrosting mode
The indoor fan stops.
3. Drain pump
(1) Drain pump control
The drain pump turns ON for the specified amount of time when any of the following conditions is met:
1) ON for 3 minutes after the operation mode is switched from COOL or DRY to another operation mode (FAN).
2) ON for 6 minutes after the float switch is submerged in the water when the float swich control judges the sensor is in the water.
(2) Float switch control
Float switch control judges whether the sensor is in the air or in the water by turning the float switch ON/OFF.
In the water : Detected that the float switch is ON for 15 seconds.
In the air : Detected that the float switch is OFF for 15 seconds.
Float SW
ON
OFF

5. Auto operation [Automatic cool / heat change over operation]

TIME SUN MON TUE WED THU FRI SAT
TIMER
AFTER
˚F˚C
ONLY1Hr.
TEMP.
MENU
BACK MONITOR/SET
PAR-21MAA CLOCK
1. Initial value of operation mode
(1) HEAT mode for room temperature < Desired temperature
(2) COOL mode for room temperature
2. Mode change
(1) HEAT mode -> COOL mode
Room temperature Desired temperature + 3°F. or 3 min. has passed
(2) COOL mode -> HEAT mode
Room temperature Desired temperature - 3°F. or 3 min. has passed
3. COOL mode
(1) Same control as cool operation
HWE08010
15sec. 15sec.
In the water In the air
Hr ON
AFTER OFF
ERROR CODE
FUNCTION
˚F˚C
FILTER
WEEKLY
SIMPLE
AUTO OFF
ON/OFF
ON/OFF
FILTER
DAY
CHECK TEST
OPERATION
CLEAR
Desired temperature
15sec. 1min.30sec.
In the water Error
postponement
<How to operate>
1. Press POWER [ON/OFF] button.
2. Press the operation [Mode] button to display AUTO.
3. Press the [Set Temperature] button to set the desired tempera-
ture.
The set temperature changes 2°F when the [Set Temperature]
button is pressed one time. Automatic 67 to 83°F
- 14 -
1min.30sec.
Drain pump
abnormal
GB