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Haier HSU12VHGDB-G, 1U09ES2VHA, 1U12ES2VHA, 1U18ES2VHA, 1U24ES2VHA, Novel HSU12VHGDB-W User manual

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Ductless Split Air Conditioner
Service Manual
Design may vary by model number.
 Please read this manual before using the air conditioner.
• Keep this user manual for future reference.
Safety Precautions/Introduction ................................................................................................. 3
Outdoor Unit Controls and Components ..................................................................................... 7
Indoor Unit Controls and Components ...................................................................................... 13
Remote Control Functions ......................................................................................................... 19
Sequence Of Operation ............................................................................................................. 27
Installation ................................................................................................................................ 35
Error Codes and Problem Solving .............................................................................................. 45
Reference Information .............................................................................................................. 57
PAGE 1
Table of Contents
Indoor
HSU09VHG(DB)-W
HSU12VHG(DB)-W
HSU18VHH(DB)-W
HSU24VHG(DB)-W
Outdoor
HSU09VHG(DB)-G
HSU12VHG(DB)-G
HSU18VHH(DB)-G
HSU24VHG(DB)-G
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INTRODUCTION
PAGE 3
ENGLISH
Introduction
Safety Precautions ............................................................................................................................................................. 4
Warning and Cautions ......................................................................................................................................................................4
Introduction to System ......................................................................................................................................................5
Specicationsforproperoperationshouldbefollowed ................................................................................................................ 5
FundamentalTheoryOfHowSystemWorks..................................................................................................................................5
Table of Contents
INTRODUCTION
PAGE 4
ENGLISH
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











cause damage to the air conditioner.
!
CAUTION








around the unit clean.
Safety Precautions
INTRODUCTION
PAGE 5
ENGLISH
Introduction to System




control.









unit.
Specicationsforproperoperationshouldbefollowed


heat mode.


























FundamentalTheoryOfHowSystemWorks





Introduction
maintained.











control.

















greater detail.
INTRODUCTION
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[Thispageintentionallyleftblank.]
OUTDOOR UNIT CONTROLS & COMPONENTS
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Outdoor Unit Controls & Components
Table of Contents
Outdoor Unit Introduction ................................................................................................................................................. 8
OutdoorComponentIdentication ....................................................................................................................................8
Outdoor Main Control Board .............................................................................................................................................. 9
TerminalBlock .................................................................................................................................................................. 10
Reactor ............................................................................................................................................................................ 10
Compressor ..................................................................................................................................................................... 10
Outdoor Fan Motor ........................................................................................................................................................... 10
Discharge Temperature Sensor ........................................................................................................................................ 11
Defrost Temperature Sensor ............................................................................................................................................ 11
Outdoor Ambient Temperature Sensor ............................................................................................................................ 11
Suction Line Temperature Sensor ..................................................................................................................................... 11
4-Way Valve ..................................................................................................................................................................... 12
Electronic Expansion Valve ............................................................................................................................................... 12
Accumulator .................................................................................................................................................................... 12
Filters ............................................................................................................................................................................... 12
OUTDOOR UNIT CONTROLS & COMPONENTS
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Outdoor Unit Introduction



OutdoorComponentIdentication











































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OUTDOOR UNIT CONTROLS & COMPONENTS
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Outdoor Control Board

the control board




2

8


4


12

10


6

1

7


3

11

9

5
13
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15
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1
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14
16
15
5
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9
1011
1213
4
OUTDOOR UNIT CONTROLS & COMPONENTS
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TerminalBlock
Power
F
actor
R
eactor















terminal block at the outdoor unit and is run to the indoor unit










Compressor
Outdoor Fan Motor







falls.












OUTDOOR UNIT CONTROLS & COMPONENTS
PAGE 11
ENGLISH
Discharge Temperature Sensor
Defrost Temperature Sensor






determine termination conditions.









Outdoor Ambient Temperature Sensor
Suction Line Temperature Sensor













conditions.


OUTDOOR UNIT CONTROLS & COMPONENTS
PAGE 12
ENGLISH
4-Way Valve
Electronic Expansion Valve















gas to the indoor coil.






Accumulator




Refrigerant Filters






outdoor coil.
INDOOR UNIT CONTROLS & COMPONENTS
PAGE 13
ENGLISH
Indoor Unit Controls & Components
Table of Contents
Indoor Unit Introduction .................................................................................................................................................. 14
IndoorComponentIdentication ..................................................................................................................................... 14
Indoor Control Board ........................................................................................................................................................ 15
TerminalBlock .................................................................................................................................................................. 16
Display ............................................................................................................................................................................. 16
Ambient Temperature Sensor .......................................................................................................................................... 16
Piping Temperature Sensor .............................................................................................................................................. 16
Louver Motor ................................................................................................................................................................... 17
Fan Motor ......................................................................................................................................................................... 17
Emergency Button ........................................................................................................................................................... 17
INDOOR UNIT CONTROLS & COMPONENTS
PAGE 14
ENGLISH
IndoorComponentIdentication
Indoor Unit Introduction







Fan Motor
Louver Motor
1
2
3
4











5
6
7
8
5
7
2
6
4
8
1
3
INDOOR UNIT CONTROLS & COMPONENTS
PAGE 15
ENGLISH
Indoor Control Board

2


6

4

1

5


thermistor
3

7
INDOOR UNIT CONTROLS & COMPONENTS
PAGE 16
ENGLISH
TerminalBlock
Display














Ambient Temperature Sensor





Piping Temperature Sensor



to the surface of the indoor coil.






INDOOR UNIT CONTROLS & COMPONENTS
PAGE 17
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Stepper Motor Louver
Fan Motor
Emergency Button
















remote control.


control.


REMOTE CONTROL FUNCTIONS
PAGE 18
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[Thispageintentionallyleftblank.]
REMOTE CONTROL FUNCTIONS
PAGE 19
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Remote Control Functions
Table of Contents
Remote Controller 1 ......................................................................................................................................................... 20
Remote Controller 2 ......................................................................................................................................................... 23
REMOTE CONTROL FUNCTIONS
PAGE 20
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6






2


PowerButton
 button on the remote control to start
the unit.
2
QUIET Button


48,(7




48,(7
button again to cancel
this function.





COOL Button





HEAT Button






DRY Button





6
Temperature +/- Buttons

setting increases.

setting decreases.

AUTO Button


-



FAN Button


)$1



LOW
MED HI
AUTO
Display
circulated




Louver SWING Button
AirFlowDirectionAdjustment





Remote Controller 1
/