Airwell HDD Series User manual

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HDD/HED
Training Presentation
Presented By : Yossi Emquies
Jan 12th 2011

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Product Description
The HDD/HED series is a DCI monosplit wall-mounted air conditioner
designed mainly for residential applications.
The ODU (YDD) is equipped with a DC compressor, using sine wave
and torque control technology providing comfort and economical
operation.
The HDD/HED series includes the following main 4 models capacities :
9 kBtu/h
12kBtu/h
18kBtu/h
24kBtu/h.

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Product Range Appearance
Airwell- HDD 009/012
Johnson- DDH 009/012
Airwell- HED 009/012
Electra-JED 009/012
Airwell- HDD 018
Johnson- DDH 018
Airwell- HED 018
Electra- JED 018
Airwell- HDD 024
Johnson-DDH 024
Airwell- HED 024
Electra- JED 018
Airwell- YDD 009/012
Electra- VDD 009/012
Johnson- DDY 009/012
Airwell- YDD 018/024
Electra- VDD 018/024
Johnson- DDY 018/024

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Main Key Features
DC inverter technology.
R410A models.
Microprocessor control equipped with indoor 2 segment display .
High COP, Energy efficiency class A in cooling/heating mode.
Torque control for compressor.
Cooling operation at outdoor temperature up to 48ºC.
Heating operation at outdoor temperature down to -15ºC.
Easy installation and service.
Sleep mode.
ON/OFF timer and clock display.
Vertical auto swing with motorized flap.
Intergraded protection logic control.
Turbo Mode.
I-Feel function.
Hot Keep in heating mode.
Clean function (Blow dry).
Self diagnostics (Error indications) for ease of maintenance.

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Specifications

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Out Line Dimensions
(Model 09/12)
Indoor Unit Outdoor Unit

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Out Line Dimensions
(Model 18/24)
Indoor Unit Outdoor Unit

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TECHNICAL ASPECTS

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Installation
MAXIMUM PIPES LENGTH & HEIGHT
NOM. CAPACITY
(kBtu/h)
TUBES O.D. LENGTH
(A)
HEIGHT
(B)
PRECHARGE
LENGTH
ADDITIONAL
CHARGE
09 1/4” – 3/8” 15 5 5 15g/m
12 1/4” – 3/8” 15 5 5 15g/m
18 1/4” – 1/2” 25 10 5 20g/m
24 1/4” – 1/2” 25 10 5 20g/m
Constrains of installation:
Outdoor Unit
indoor Unit

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Intermediate Wiring Connection
INDOOR
OUTDOOR
INDOOR 09/12
OUTDOOR 09/12/18/24
INDOOR 18/24

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IDU Main Display
RUN INDICATOR 1.Lights up when the Air Conditioner is connected to
power and the mode is STBY.
2.When the unit is turned on remotely, the RUN LED
goes out while the current setting running mode is
displayed
COOL INDICATOR
DRY INDICATOR
HEAT INDICATOR
1.Lights up during specified operation mode
(COOL/DRY/HEAT).
2* 7 segments
display
1.In normal situation, the setting temperature is
displayed.
2.Shows outdoor temperature or indoor temperature
when receiving the corresponding demand from
controller. It resumes displaying setting temperature
5s later
3.Shows H1 during deicing in heating mode.
4.Shows the alarm code whenever there is an alarm.
(Refer to Diagnostics part)
Unit ON/OFF Button Short pressing (Less than 5s) : Unit will switch
between Auto mode and STBY. System will select
the COOL/HEAT/FAN mode automatically and
temperature/Fan speed settings can not be changed.
Long pressing (5~10s): System will enter into Force
cooling operation.
INTRODUCTION OF FUNCTION

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RCO8-A Controller Main Functions
Main Functions
- Choose the operating mode (Heating-Dry-Fan or Automatic mode).
- Increase or decrease the setting temperature.
- Adjust the fan speeds (Auto/Turbo/High/Medium/Low)
- Setting ON-OFF timer or present time.
- Sleep mode.
- Self Clean function.
-"I FEEL" function.
- Flap position selection: Any position selection
- Low Battery (Power) alarm
RC08-A
(mm)

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Refrigerant Diagram
(Model 09)

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Refrigerant Diagram
(Model 12)

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Refrigerant Diagram
(Model 18)

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Refrigerant Diagram
(Model 24)

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Wiring Diagram IDU
INDOOR- 09/12
INDOOR- 18/24

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Wiring Diagram ODU
OUTDOOR- 09/12
OUTDOOR- 18/24
* EEV is only for Model 24

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IDU PCB Main Inputs and Outputs Layout
(Indoor Model 09/12)
Indoor controller of model 09/12
IDU Display IDU Main Board
* Model 09/12 use similar controller but
with different SW.

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IDU PCB Main Inputs and Outputs Layout
(Indoor Model 09/12)
Indoor Main Board of model 09/12
PG motor
power
PG motor
feedback ICT
RAT
To Display
To step motor