Panasonic WH-UD28AE User manual

F566146
HEAT
SETTING
STATUS
PUMPDW
WATERINLET ERROR
OFF/ON
WATER OUTLET OUTDOOR
C
C
C
0.2
0.4
0
0.3
0.1
MPa
Operating Instructions
Air-to-Water Heatpump
Indoor Unit Outdoor Unit
WH-SD24AE WH-UD24AE
WH-SD28AE WH-UD28AE
ENGLISH
ENGLISH
Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
Before operating the unit, make sure the installation has been carried out correctly by authorized dealer correctly and
precisely following the installation instructions given.
2 ~ 11
2 ~ 11
SVENSKA
SVENSKA
Innan du använder enheten, läs noga igenom denna bruksanvisning och spara den för framtida bruk.
Innan du använder enheten, läs noga igenom denna bruksanvisning och spara den för framtida bruk.
Innan du använder enheten, se till att installationen har utförts noggrant och korrekt av auktoriserad återförsäljare som
följt de givna installationsinstruktionerna.
12 ~ 21
12 ~ 21
NORSK
NORSK
Les bruksanvisningen nøye før du bruker denne enheten, og oppbevar den for fremtidig bruk.
Les bruksanvisningen nøye før du bruker denne enheten, og oppbevar den for fremtidig bruk.
Før du bruker enheten, må du forsikre deg om at autorisert forhandler har utført korrekt og presis installasjon og har
fulgt installasjonsinstruksjonene som er gitt.
22 ~ 31
22 ~ 31
SUOMI
SUOMI
Lue nämä käyttöohjeet huolellisesti ennen yksikön käyttämistä ja säilytä ne tulevaisuutta varten.
Lue nämä käyttöohjeet huolellisesti ennen yksikön käyttämistä ja säilytä ne tulevaisuutta varten.
Varmista ennen laitteen käyttöä, että asennuksen on suorittanut valtuutettu jälleenmyyjä ja että se on tehty oikein ja
Varmista ennen laitteen käyttöä, että asennuksen on suorittanut valtuutettu jälleenmyyjä ja että se on tehty oikein ja
tarkasti annettuja asennusohjeita noudattaen.
tarkasti annettuja asennusohjeita noudattaen.
32 ~ 41
32 ~ 41
DANSK
DANSK
Læs brugsanvisningen grundigt igennem før du benytter anlægget og gem den til fremtidig brug.
Læs brugsanvisningen grundigt igennem før du benytter anlægget og gem den til fremtidig brug.
Sørg for, at anlægget er installeret korrekt af en autoriseret forhandler i overensstemmelse med de følgende
instruktioner, før anlægget tages i brug.
42 ~ 51
42 ~ 51
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2008.
Unauthorized copying and distribution is a violation
of law.

2
HEAT
FORC
HEATER1
HEATER2
SETTING
STATUS
PUMPDW
WATERINLETERROR
OFF/ON
WATEROUTLETOUTDOOR
C
C
C
0.2
0.4
0
0.3
0.1
MPa
SAFETY PRECAUTIONSSAFETY PRECAUTIONS
DEFINITION
The instructions to be followed are classified by the following symbols:
This symbol denotes an action
that is PROHIBITED.
These symbols denote actions
that are COMPULSORY.
To prevent personal injury, injury to others, or property damage, please observe the following.
Incorrect operation due to failure to follow instructions may cause harm or damage, the seriousness of which is classified as below:
Warning This sign warns of death or serious injury.
Outdoor Unit
• Do not insert your fingers or other objects
into the unit, rotating parts may cause
injury.
Indoor Unit
• Do not install, remove and reinstall the unit by yourself; improper
installation will cause leakage, electric shock or fire. Please consult
authorized dealer for the installation work.
• Do not attempt to repair the unit by yourself. Otherwise, it may cause
injury if it is mishandling.
• Do not install the unit at outdoor. This is designed for indoor
installation only.
• This unit is equipped with Residue Current Circuit Breaker (RCCB).
It is strongly recommended to check the operation of the RCCB
after installation and periodically after servicing or maintenance by
authorized dealer to ensure it is in good working order. Otherwise, it
may cause electrical shock or fire in case of malfunction.
Power Supply
• Do not share the same power outlet with
other equipment.
• Do not modify power cords.
• Do not use extension cords.
• Do not operate with wet hands.
• Use the specified power supply cord.
• If the power supply cord is damaged, it
must be replaced by the manufacturer,
its service agent or similarly qualified
persons in order to avoid hazard.
• In case of emergency or presence of
abnormal conditions (burnt smell, etc),
turn off the power supply, and consult
authorized dealer.
Air outlet
Air outlet
Air inlet
Air inlet
Air inlet
Air inlet

3
NOTE :
NOTE :
The illustrations in this manual are
for explanation purposes only and
may differ from the actual unit. It is
subjected to change without notice
for future improvement.
ENGLISH
Thank you for purchasing
Product
TABLE OF CONTENTS
TABLE OF CONTENTS
SAFETY PRECAUTIONS 2~3
REGULATORY INFORMATION 4
PRODUCT OVERVIEW 5
HOW TO OPERATE 6~7
CARE & CLEANING 8
TROUBLESHOOTING 9~10
Indoor Unit
• Do not install the unit in a potentially explosive atmosphere.
• Do not install the unit close to any combustible equipment or at
bathroom. Otherwise, it may cause electric shock or fire.
• Do not touch the water discharge pipe at the indoor unit during
operation.
• Do not place anything on top or beneath of the unit.
• Ensure that the drainage pipe is connected properly. Otherwise,
leakage may occur.
Caution This sign warns of injury or damage to property.
Control Panel
• Do not let the control panel get wet.
Otherwise, it may cause electric shock or fire.
• Do not press the buttons on the control panel
with hard, pointed objects. Otherwise, it may
damage the unit.
• Do not wash the control panel with water,
benzene, thinner or scouring powder.
• Do not inspect or service the control panel by
yourself. Please consult authorized dealer.
Otherwise, it may cause injury if mishandling.
Outdoor Unit
• Do not sit or step on the unit, you may fall
down accidentally.
• Do not touch the sharp aluminium fin, sharp
parts may cause injury.
• Check the installation rack periodically to
make sure that it is not damaged.After long
periods of use, the strength of the installation
rack may have deteriorated.
Power Supply
• Switch off the power supply before cleaning
or servicing.
• Turn off the power supply if the unit is not
used for a long period of time.
• This unit is equipped with a built-in surge
protective device. However, in order to further
protect your unit from being damaged by
abnormally strong lightning activity, you may
want to disconnect it from the power supply.
Do not touch the unit during lightning, it may
cause electric shock.
• It is recommended to wear gloves during
servicing or maintenance in order to avoid
hazard.

4
Indoor Outdoor
Water outlet temperature (°C) Ambient temperature (°C)
* DBT * WBT
HEATING Maximum 55 24 18
Minimum 25 -20 -
* DBT : Dry bulb temperature
* WBT : Wet bulb temperature
NOTICE : When the outdoor temperature is out of the above temperature range, the heating capacity will drop significantly
and outdoor unit might stop for protection control.
OPERATION CONDITION
OPERATION CONDITION
REGULATORY INFORMATIONREGULATORY INFORMATION
Information for Users on Collection and Disposal of Old Equipment
These symbols on the products, packaging, and/or accompanying documents mean that used electrical and
electronic products should not be mixed with general household waste.
For proper treatment, recovery and recycling of old products, please take them to applicable collection points,
in accordance with your national legislation and the Directives 2002/96/EC and 2006/66/EC.
By disposing of these products correctly, you will help to save valuable resources and prevent any potential
negative effects on human health and the environment which could otherwise arise from inappropriate waste
handling.
For more information about collection and recycling of old products, please contact your local municipality,
your waste disposal service or the point of sale where you purchased the items.
Penalties may be applicable for incorrect disposal of this waste, in accordance with national legislation.
For business users in the European Union
If you wish to discard electrical and electronic equipment, please contact your dealer or supplier for further
information.
[Information on Disposal in other Countries outside the European Union]
These symbols are only valid in the European Union. If you wish to discard these items, please contact your
local authorities or dealer and ask for the correct method of disposal.
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by
a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

HEAT
SETTING
STATUS
PUMPDW
WATERINLET ERROR
OFF/ON
WATEROUTLET OUTDOOR
C
CC
0.2
0.40
0.30.1
MPa
5
ENGLISH
PRODUCT OVERVIEWPRODUCT OVERVIEW
Air-to-Water Heatpump
Air-to-Water Heatpump
Indoor Unit
Indoor Unit
Water Pressure Gauge
Water Pressure Gauge
0.2
0.40
0.30.1
MPa
• Do not press or hit the glass
cover with hard, pointed
objects. This may damage the
unit.
• Ensure that the water
pressure is between 0.05 to
0.2MPa.
• In case the water pressure is
out of the above range, please
consult authorized dealer.
Control Panel
Control Panel
HEAT
SETTING
STATUS
PUMPDW
WATER INLET ERROR
OFF/ON
WATER OUTLET OUTDOOR
C
C
C
Open the cover to
use the buttons
WATER OUTLET OUTDOOR
HEAT
SETTING
STATUS
PUMPDW
WATER INLET ERROR
C
CC
SET
SELECT
CANCEL ERROR
RESET
SETTING STATUS
SEARCH
PUMPDW
CHECK
OFF/ON
7
2
1
3 4
10
8
9
5
6
13
12
11 14
1OFF/ON Button 8System Setting Indicator
2Operation LED 9System Status Indicator
3Water Outlet Temperature Display 10 System Pumpdown Indicator
4Water Inlet Temperature Display 11 System Setting Buttons
5OutdoorAmbient Temperature Display 12 Error Reset Button
6System Error Display 13 System Status Check Buttons
7Heat Mode Indicator 14 System Pumpdown Button

6
HOW TO OPERATEHOW TO OPERATE
Basic Operation
Basic Operation
Note
Note
• PanasonicAir-to-Water Heatpump is a split system consisting only of an indoor unit and an outdoor unit.
• This manual describes how to operate the heatpump system between indoor and outdoor units only.
• Other operation such as water tank, radiator and underfloor system, please refer to its respective manufacturer
operation manuals.
WATER INLET ERROR
SET
SETTING STATUS
CHECK
OFF/ON
Operation Start / Stop
Operation Start / Stop
• The unit starts by pressing
OFF/ON
.
• When unit is ON, operation LED is lit and the actual
temperature for water outlet, water inlet and outdoor
ambient are shown on the control panel display.
• Press
OFF/ON
again to stop the operation.
Operation details (Default setting)
Operation details (Default setting)
• Operation takes place under default settings as follows:
-
-When Outdoor ambient temperature (Out Lo) is less than 0°C, water outlet set temperature (H2O Lo) is 50°C. When Outdoor ambient temperature (Out Hi) is more than 15°C, water outlet set temperature (H2O Hi) is 32°C.
• In between the specified outdoor ambient temperature range (Out Lo and Out Hi), the system will automatically adjust
the water outlet temperature between specified range (H2O Lo and H2O Hi).
• Lower outdoor ambient temperature will result in higher water outlet temperature and vice versa.
Optional Settings
Optional Settings
ERROR
RESET
Error code reset
• Not usable during normal operation.
PUMPDW
System Pump Down
• Not usable during normal operation.
• If accidentally pressed the
PUMPDW
, press
OFF/ON
to stop the pump down operation.

7
ENGLISH
Advance Operation
Advance Operation
Recommendation
Recommendation
• It strongly recommended to change the temperature range by authorized dealer. The temperature range for water outlet
temperature and outdoor ambient temperature could be set by control panel.
Perform the steps below to set preferred temperature range.
SET
SELECT
CANCEL ERROR
RESET
SETTING STATUS
SEARCH
PUMPDW
CHECK
1,5
3
2,4
STEP 1: Press
SET
for 5 seconds to enter SETTING mode. “SETTING” indicator is ON.
STEP 2: Press or to choose a parameter.
H2O Lo: Water outlet set
temperature at low outdoor
ambient set temperature Selection range:
25°C ~ 55°C
HEAT
SETTING
STATUS
PUMPDW
C
H2O Hi: Water outlet set
temperature at high outdoor
ambient set temperature
HEAT
SETTING
STATUS
PUMPDW
C
Selection range:
25°C ~ 55°C
Out Lo: Low outdoor
ambient set temperature
HEAT
SETTING
STATUS
PUMPDW
C
Selection range:
-15°C ~ 15°C
Out Hi: High outdoor
ambient set temperature
HEAT
SETTING
STATUS
PUMPDW
C
Selection range:
-15°C ~ 15°C
Note: Please make sure High outdoor ambient set temperature (Out Hi) is always higher than Low outdoor
ambient set temperature (Out Lo).
STEP 3: After selecting the desired parameter,press
SELECT
to enter the parameter. “ ” indicator will blink when a
parameter is selected.
STEP 4: Press or to set the desired temperature.
STEP 5: Press
SET
again to confirm the setting.
• Repeat steps 2 to 5 to set other parameters.
• Press
CANCEL
or wait 30 seconds to exit SETTING mode.
• The setting temperature will be stored in the system once confirm.
• “SETTING” mode cannot be activated when the “PUMPDW” and “STATUS” indicator is ON.

8
CARE & CLEANINGCARE & CLEANING
CAUTION • Switch off the power supply before cleaning.
Indoor Unit & Control Panel
Indoor Unit & Control Panel
• Wipe the unit gently with a soft, dry cloth.
Outdoor Unit
Outdoor Unit
• Do not obstruct the air inlet and air outlet vents, it may cause low performance or breakdown. Please remove obstacles to
assure the ventilation.
• During winter, please clean and remove the snow near outdoor unit so that the snow does no cover the air inlet and air
outlet vents.
FOR SEASONAL INSPECTIONAFTER EXTENDED NON-USE
FOR SEASONAL INSPECTIONAFTER EXTENDED NON-USE
• In order to ensure optimal performance of the unit, seasonal inspections on the unit and field wiring have to be carried
out at regular intervals. This maintenance should be carried out by authorized dealer.
• Clear any obstruction at the air inlet and air outlet vents of outdoor unit.
FOR EXTENDED NON-USE
FOR EXTENDED NON-USE
• Turn off the power supply.

9
ENGLISH
Symptom
Symptom
Check
Check
Heating operation is not working efficiently. • Set the temperature correctly.
• Is the panel heater valve closed.
• Clear any obstruction at the air inlet and air outlet vents of outdoor unit.
Noisy during operation. • Check if the unit has been installed at an incline or the cover is not
closed properly.
The unit does not work. • Check if the circuit breaker is tripped.
Operation LED is no lit or control panel display
is blank. • Is the power supply off or power failure.
Check the following before calling for servicing.
Check the following before calling for servicing.
TROUBLESHOOTINGTROUBLESHOOTING
Symptom
Symptom
Cause
Cause
Water flowing sound during operation. • Refrigerant flow inside the unit.
Operation is delayed a few minutes after
restart. • The delay is a protection to the unit’s compressor.
Outdoor unit emits water/steam. • Condensation or evaporation occurs on pipes.
Outdoor unit emits steam during heating
mode. • This is due to defrost operation happens at the heat exchanger.
Outdoor unit does not operate. • When the outdoor temperature is out of the operation condition range,
the heatpump system enter protection control.
System difficult to heat-up. • When heating is operated by indoor unit together with floor heating or
panel heater simultaneously, there may be case where warm water
temperature is getting lower and cause floor heating or panel heater
heat-up is weaken.
• When outdoor air temperature is low, it may be difficult to get warm.
• Is the snow pile blocking the discharge outlet or intake inlet of outdoor
unit.
• When water outlet set temperature is low, it may be difficult to get warm.
System cannot get warm instantly. • Due to the nature of the heatpump system, it may take some time to
heat-up the water if the unit is operated from cold-start.
Operation starts after power resumes. • Auto restart is in function and operates under.
The following symptoms do not indicate malfunction.
The following symptoms do not indicate malfunction.

10
NON SERVICEABLE CRITERIAS
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY then please consult authorized dealer under the following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the control panel.
• Water leaks from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning properly.
The operation LED blinks and error code appear on control panel display
The operation LED blinks and error code appear on control panel display
WATER INLET ERROR
C
CC
• Turn the unit off and reveal the error code to authorized dealer.
Perform the steps below to check system status
Perform the steps below to check system status
SET
SELECT
CANCEL ERROR
RESET
SETTING STATUS
SEARCH
PUMPDW
CHECK
2
1
STEP 1: Press
CHECK
for 5 seconds to enter STATUS mode.
STEP 2: Press or to check the Compressor Running Frequency or Error History.
• Press
CANCEL
or wait 30 seconds to exit STATUS mode.
• Once STATUS mode is entered, “STATUS” indicator is ON.
• STATUS mode cannot be activated when the “SETTING” and “PUMPDW” indicator is ON.
TROUBLESHOOTINGTROUBLESHOOTING

11
ENGLISH
MEMOMEMO

F566146 Printed in Malaysia OSTH0809-01
Panasonic Corporation
Website: http://panasonic.net/
Pursuant to at the directive 2004/108/EC, article 9(2)
Panasonic Testing Centre
Panasonic Service Europe, a division of
Panasonic Marketing Europe GmbH
Winsbergring 15, 22525 Hamburg, F.R. Germany