Microprocessor Control; Cool Operation - Mitsubishi Electric City Multi PEFY-P06NMSU-E Technical & Service Manual

[ VII Microprocessor Control ]
VII Microprocessor Control

[1] Microprocessor Control

1. Cool operation

TIME SUN MON TUE WED THU FRI SAT
TIMER
AFTER
˚F˚C
ONLY1Hr.
TEMP.
MENU
BACK MONITOR/SET
PAR-21MAA CLOCK
1. Termoregulating function
(1) Thermoregulating function (Function to prevent restarting for 3 minutes)
Room temperature
Room temperature
(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.
1) Liquid pipe temp. (TH22) turns 50°F or above.
2) The condition of the thermo OFF has become complete by thermoregulating, etc.
3) The operation modes became mode other than COOL.
4) The operation stopped.
2. Fan
(1) By the remote controller setting (switch of 3 speeds+Auto)
3 speeds + Auto type
When [Auto] is set, fan speed is changed depending on the value of: Room temperature - Desired temperature
3. Drain pump
(1) Drain pump control
Always drain pump ON during the COOL and DRY mode operation. (Regardless of the thermo ON/ OFF)
When the operation mode has changed from the COOL or DRY to the others (including Stop), OFF the control after the drain
pump ON for 3 minutes.
(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.
HWE08010
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 + 2°F ···Thermo ON
desired temperature ···Thermo OFF
Type
<How to operate>
1. Press POWER [ON/OFF] button.
2. Press the operation [Mode] button to display COOL.
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. Cooling 67 to 87°F
Fan speed notch
[Low], [Med], [High], [Auto]
- 10 - GB