Plfy-12Namu-A; Plfy-24Namu-A; Plfy-32Namu-A; Plfy-40Namu-A - Mitsubishi city multi PKFY-08NAMU-A Technical & Service Manual

1

FEATURES

Models

PLFY-12NAMU-A

PLFY-20NAMU-A

PLFY-24NAMU-A

PLFY-32NAMU-A

PLFY-40NAMU-A

1. SPACE-SAVING CENTRALLY LOCATED CEILING RECESSED INSTALLATION
2. 4-WAY AIR FLOW SYSTEM
This series allows you to select from 2, 3, and 4 way air flow directions according to your requirement. As a result, you get
superb flexibility in choosing a configuration that gives you maximum cooling/heating efficiency in a neat and unobstructive
installation.
3. ADVANCED MICROPROCESSOR CONTROL
(1) Easy to use Microprocessor (remote controller)
1) Ultra-Thin Remote Controller
The streamlined, wide controller is designed to blend with any kind of interior and the adoption of a sophisticated micro-
processor allows you to carry out a wide range of operations easily.
2) Attractive Liquid Crystal Display (LCD)
Units operation mode, set temperature, room temperature, timer setting, fan speed, and air flow direction are displayed
on the remote controller with the easily understood visual Liquid Crystal Display (LCD).
3) Convenient 24-Hour ON-OFF Timer
The timer allows Mr.SLIM to be switched on or off automatically at the time is shown on the LCD.
4) Self-Diagnostic Feature Indicates Faults Instantly
In the rare case when a problem occurs, the unit stops operating and the set temperature indicator changes to the self-
diagnostic indicator, indicating the location of the fault.
If the check switch is pressed twice, the unit stops operating and the check mode is initiated. The cause of the most
recent problem stored in the memory is displayed on the LCD. This is extremely useful for maintenance purposes.
5) Useful Memory Feature for Storing Instructions
The previous set value is memorised so that constant temperature control can be obtained. This is convenient when,
for example, a power failure occurs.
(2) Non-polar Two-Wire Remote Controller Cables
The non-polar, two-wire type remote controller cable is slim, installation is simple and trouble-free. Remote controller wire
can be extended up to 550 yards.
(3) Automatic Cooling/Heating Changeover Operation
An automatic cooling and heating changeover operation system is provided to ensure easy control and year-round air con-
ditioning.
Once the desired temperature is set, unit operation is switched automatically between cooling and heating, in accordance
with the room temperature.
Indoor Unit
Cooling capacity / Heating capacity
12,000 / 13,000 Btu/h
20,000 / 22,500 Btu/h
24,000 / 26,500 Btu/h
32,000 / 36,000 Btu/h
40,000 / 39,000 Btu/h
OC290-2
Microprocessor
Remote controller