Midea MPPD-12CRN1-BH9, MPPD-14CRN1-BH9, MPPD-14HRN1-BH9, MPPD-12ER-NB4, PD Service Manual

R

R

North America Air Conditioner

PORTABLE

SERVICE MANUAL

PD SERIES

Models:

MPPD-12CRN1-BH9
MPPD-14CRN1-BH9

MPPD-12HRN1-BH9
MPPD-14HRN1-BH9

PD
(standard panel)

PD1 PD3

PDA

PDB(panel used for small body)

MYPD-12CRN1-QB6

Cooling-only

Heat pump

Electronic heater

MPPD-12ER-NB4

Dual-hose

MPPD-12CRN1-BI0(small body)

1. DIMENSION

W

H

D



Unit Dimension
Single-hose

(small body)

Single-hose

Double-hose

WHD

mm(inch)

454(17.9)

467(18.4)

467(18.4)

700(27.6)

765(30.1)

765(30.1)

365(14.4)

397(15.6)

478(18.8)

2. OPERATION MODES AND INSTRUCTIONS

POWER BUTTON

Power switch on/off.

SLEEP/ECO BUTTON

Used to initiate the SLEEP/ECO
operation.
NOTE: On some models SLEEP
button is instead of ECO button.

FAN/ION BUTTON
(ION is optional)

Control the fan speed. Press to select the
fan speed in four steps-LOW, MED, HI
and AUTO.The fan speed indicator light
illuminates under different fan settings
except AUTO speed. When select AUTO
fan speed, all the fan indicator lights turn
dark.
NOTE: Press this button for 3 seconds to
initiate ION feature.The ion generator is
energized and will help to remove pollen
and impur ities from the air, and trap them
in the filter. Press it for 3 seconds again to
stop the ION feature.

UP(+) AND DOWN(-) BUTTON

Used to adjust (increasing/
decreasing) temperature settings
(2 ℉/1℃increments) in a range of
62 ℉(17℃) to 88℉(30℃) or the
TIMER setting in a range of 0~24hrs.
NOTE:
The control is capable of displaying
temperature in degrees Fahrenheit or
degrees Celsius. To convert from one
to the other, press and hold the Up
and Down buttons at the same time,
for 3 seconds.

MODE SELECT BUTTON

Selects the appropriate operating mode.
Each time you press the button, a mode
is selected in a sequence that goes from
AUTO, COOL, DRY, FAN and HEAT
(cooling only models without).
The mode indicator light illuminates
under the different mode settings..

2.1 OPERATION MODES

1

2

3

4

5



1

1

2344567

8

9

Optional

TIMER BUTTON

Used to initiate the AUTO ON start
time and AUTO OFF stop time program,
in conjuction with the

(+)

&

(-)

buttons.
The timer on/off indicator light
illuminates under the timer on/off
settings.

SWING BUTTON

(Applicable to the models with auto
swing feature only)
Used to initiate the Auto swing feature.
When the operation is ON, press the
SWING button can stop the louver at
the desired angle.

LED DISPLAY

Shows the set temperature in " ℃" or
" ℉" and the Auto-timer settings.
While on DRY and FAN modes, it shows
the room temperature.

FOLLOW ME/TEMP SENSING
(OPTIONAL)

NOTE:This feature can be activated
from the remote control ONLY.
The remote control servesas a remote
thermostat allowing for the precise
temperature control at its location.
To activate the Follow Me/Temp
Sensing feature, point the remote
control towards the unit and press
the Follow Me/Temp Sensing button.
The remote display is actual
temperature at its location. The remote
control will send this signal to the air
conditioner every 3 minutes interval
until press the Follow Me/Temp
Sensing button again.If the unit does
not receive the Follow Me/Temp
Sensing signal during any 7 minutes
interval, the unit will beep to indicate
the Follow Me/Temp Sensing mode
has ended

6

7

8

9

2.2 OPERATION INSTRUCTIONS

COOL OPERATION

Press the "MODE" button until the
"COOL" indicator light comes on.
Press the ADJUST buttons "+" or " - "
to select your desired room temperature.
The temperature can be set within a
range of 62℉-88℉/17℃-30℃.

Press the "FAN SPEED" button to
choose the fan speed.

FAN OPERATION

Press the "MODE" button until the
"FAN " indicator light comes on.

Press the "FAN SPEED" button to
choose the fan speed.
The temperaturecannot be adjusted

Do not put the duct to window.



HEAT OPERATION
(cooling only models without)

Press the "MODE" button until the
"HEAT" indicator light comes on.
Press the ADJUST buttons "+" or " - "
to select your desired room temperature.
The temperature can be set within a
range of 62℉-88℉/17℃-30℃.
Press the "FAN SPEED" button to
choose the fan speed. For some models,
the fan speed can not be adjusted under
HEAT mode.
Press the "MODE" button until the
"DRY" indicator light comes on.
Under this mode, you cannot select a fan
speed or adjust the temperature. The fan
motor operates at LOW speed.
Keep windows and doors closed for the
best dehumidifying effect.
Do not put the duct to window.

AUTO OPERATION

When you set the air conditioner in
AUTO mode, it will automatically select
cooling, heating(cooling only models
without), or fan only operation
depending on what temperature you
have selected.
and the room temperature.
The air conditioner will control room
temperature automatically round the
temperature point set by you.
Under AUTO mode, you can not select
the fan speed

TIMER OPERATION

When the unit is on, press the Timer
button will initiate the Auto-off stop
program, the TIMER OFF indicator
light illuminates. Press the UP or
down button to select the desired
time. Press the TIMER button again
within 5 seconds, the Auto-on start
program is initiated. And the
TIMER ON indicator light
illuminates. Press the up or down
button to select the desired Auto-on
start time.
When the unit is off, press the Timer
button to initiate the Auto-on start
program, press it again within five
seconds will initiate the Auto-off
stop program.
Press or hold the UP or DOWN
button to change the Auto time by

0.5 hour increments, up to 10 hours,
then at 1 hour increments up to 24
hours. The control will count down
the time remaining until start.
The system will automatically revert
back to display the previous temper­ ature setting if there is no operation
in a five seconds period.
Turning the unit ON or OFF at any
time or adjusting the timer setting
to 0.0 will cancel the Auto Start/
Stop timer program.
When the malfunction (E1,E2,E3
or E4) occurs, the Auto Start/Stop
timed program will also be cancelled.



3.

ELECTRONIC FUNCTION

3.1 Abbreviation

T1: Indoor room temperature.

T2: Temperature of evaporator.
T3: Temperature of condenser.
TS: The setting temperature.
S1: Water level swicth

3.2 Main Protection

3.2.1 The compressor functions protection with a delay of three minutes.

Compressor will restart with a delay of three minutes once it stops
operation.But it is four minutes delay for Heat pump model’s restarting.

3.2.2 Sensor protection at open or short circuit.
A/D ≤2 Ω, Sensor protection at open circuit;

A/D≥253Ω, Sensor protection at short circuit.
(Table A in next page show you the relation between temperature
and resistance of sensor.)

3.2.3 Auto defrosting at cooling mode or drying mode.
At cooling or drying mode,when T2 ≤2℃ for 3 minutes continuously,

it enters into Auto defrosting function with compressor turning off.
If water level is below S1,outdoor fan motor turns off with three minutes
delay. Auto defrosting function relieves when T2≥10℃ or T2 malfunction or
changing for other operation modes .

SLEEP OPERATION

Press this button, the selected temperature will increase(cooling) or
decrease(heating) by 2℉/1℃ 30 minutes.The temperature will then increase
(cooling) or decrease (heating) by another 2℉/1℃ after an additional 30
minutes. This new temperature will be maintained for 7 hours before it
returns .to the originally selected temperature. This ends the Sleep mode and
the unit will continue to operate as originally programmed.
NOTE: This feature is unavailabe under FAN or DRY mode.

