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PRECAUTIONS & ACCESSORIES

PRECAUTIONS

WARNING

WARNING

WARNING

CAUTION

To prevent injury to the User or other people and

property damage, the following instructions must be

followed. Incorrect operation due to ignoring of

instructions may cause harm or damage.

The safety precautions listed below are divided in two

categories: “WARNING” and “CAUTION”.

In both cases, safety instructions are very important and

must be followed carefully.

Failure to observe a warning may result in

death or serious injury.

Failure to observe a caution may result in

injury or damage to the equipment.

The Water Heater Unit must be earthed effectively.



A creepage breaker must be installed near the power

supply.

 

Do not tear off the labels on the Units for the purpose

of warning/reminding and warranty.

 

Ask the Authorized Technical Service for installation

of Water Heater Unit.

Improper installation may result in water leakage,

electric shock or fire.
Ask the Authorized Technical Service for the repair

and maintenanance.

Improper repair and maintenance may result in water

leakage, electric shock and fire. 
In order to avoid electric shock, fire or injury, if any

abnormality is detected - such as smell of fire - turn

off the power supply and call Authorized Technical

Service for instructions. 
Never use the wire and fuse with wrong rated current.

Use of wrong wire or fuse may cause the Unit to break

down or a fire.
Do not insert fingers, rods or other objects into the

air inlet or outlet.

When the fan is rotating at high speed, it will cause

injury.  
Never use a flammable spray such as hair spray,

lacquer paint near the Unit.

It may cause a fire.
Never touch the air outlet or the horizontal blades

while the swing flaps is in operation.

Fingers may be caught or the Unit may break down. 

Never put any objects into the air inlet or outlet.

Objects touching the fan which rotates at high speed

can be dangerous.  

The appliance must be installed in accordance with

national wiring regulations.  

The appliance must not be used by children without

supervision. 
If the supply cord is damaged, it must be replaced by

the Manufacturer or by the Authorized Technical Service,

in order to avoid the hazard of electric shocks.
An all-pole disconnection device which has at least

3mm separation distance between its contacts shall

be incorporated in the fixed wiring, according to

national rules.  

If electrical appliances are disposed of in landfills

or dumps, hazardous substances can leak into the

groundwater and get into the food chain, damaging

your health and well-being.

DISPOSAL: Do not dispose this Product as unsorted

municipal waste. Collection of such waste separately

for special treatment is necessary.

Do not dispose of electrical appliances as unsorted

municipal waste: use separate collection facilities.

Please contact your local government for information

regarding systems available.

1.

Содержание HOKKAIDO HWMI 300 A

Страница 1: ...1 WATER HEATER INSTALLATION USER S MANUAL WARNING PLEASE READ CAREFULLY THIS MANUAL BEFORE INSTALLING THE WATER HEATER Model HWMI 300 A...

Страница 2: ...products DISPOSAL REQUIREMENTS Your Water Heater is marked with this symbol This means that electrical and electronic products shall not be mixed with unsorted household waste Do not try to dismantle...

Страница 3: ...s Unit is required reliable earthing before usage otherwise might cause death or injury Please ask Authorized Technical Service for reliable earthing connection Your safety is the most important thing...

Страница 4: ...Contents PRODUCT S OUTLINE 5 PRECAUTIONS ACCESSORIES 6 INSTALLATION 8 WIRING 13 OPERATING INSTRUCTIONS 15 TRIAL RUNNING CAPABILITY 22 MAINTENANCE 24 DIAGNOSTIC ERROR CODES 25 AUTOMATIC RESTART AFTER A...

Страница 5: ...Water Outlet Drain Pipe Water Inlet Solar Water Inlet Electric Heater Air Inlet Top Cover Compressor Front Cover Display Cover Cover Electric Heater Front Decorative Board Electronic Control Box PARTS...

Страница 6: ...wrong wire or fuse may cause the Unit to break down or a fire Do not insert fingers rods or other objects into the air inlet or outlet When the fan is rotating at high speed it will cause injury Never...

Страница 7: ...installation height of power supply should be over 1 8m to prevent any sprinkling of water from reaching the Unit In the water inlet side the One Way valve must be installed It is normal if some wate...

Страница 8: ...n location must be convenient for piping and wiring If the appliance is installed in indoor space it might cause a temperature drop and noise disturbance Please take preventive measures for this If th...

Страница 9: ...fix the Unit in a location protected from the Unit Carry the Unit to the installation site by observing the rules and limits set by Manufacturer Install the Unit In order to avoid scratching or defor...

Страница 10: ...th the above instructions explosions and injuries may occur Installation of the One Way Valve the specifications of the One Way Valve thread in accessories is RC3 4 It is used to prevent backflow of w...

Страница 11: ...as A B 10m Air inlet connect to canvas air outlet without canvas A 10m This type of duct connection is recommended if the appliance is installed inside a room where temperature is higher than outdoor...

Страница 12: ...angle as regards the ground must be no more than 2 Install filter inside the Unit In case main Unit is connected with canvas install filter at the air inlet of duct and then install the duct Fig 5 9 a...

Страница 13: ...wiring must be performed by Authorized Technicians according to the circuit diagram Set the electric leakage protector according to the current electric technical standards The power cord and the sig...

Страница 14: ...r T5L Tank Temp Sensor lower T5U Tank Temp Sensor upper TP Discharge Temp Sensor upper TH Return air temperature sensor Earthing Main Control Board Pressure Switch Compressor Electric Heater Compresso...

Страница 15: ...Open After powered on the display lights up User can operate the Unit through the buttons for selecting different modes which are displayed Emptying if Unit needs to be cleaned moved etc water tank m...

Страница 16: ...dicator When the actual water temperature exceeds 60 C it lights up Water temperature indicator When the actual water temperature exceeds 50 C it lights up Water temperature indicator When the actual...

Страница 17: ...n the Unit will light for 3 seconds while the buzzer will ring twice After no operation for 1 minute all indicators will go out automatically except FILL WATER indicator flashing and WATER TEMP indica...

Страница 18: ...ctric heater Used when the ambient temperature is very low By default the Unit operates in HYBRID Mode To change operation mode Temperature displayed is the water temperature in the upper part of the...

Страница 19: ...d stop the Water Heater will start according to the set start time and will automatically stop after 10 minutes Fig 7 6 Fig 7 7 Fig 7 8 Fig 7 9 Timer Press the UP and DOWN key you can increase or decr...

Страница 20: ...automatically when the ambient temperature meets the operation conditions of heat pump mode and the error LA will disappear at the same time Fig 7 10 Fig 7 11 Fig 7 12 In the unlocked state press the...

Страница 21: ...s to stop the buzzer but ALARM indicator will keep on flashing If a malfunction occurs while system works in Economy mode operation may keep on if E heater mode is selected When some error happens tho...

Страница 22: ...om 1 2 of Unit The upper sensor tests the water temperature in the upper part of Unit shown by display the bottom sensor tests the water temperature in the bottom part of Unit and controls the ON OFF...

Страница 23: ...t the Authorized Technical Service Defrosting during Water heating Water Temperature Display Error Display Restart after a Long Stop Ambient Temperature Mode Selection Self Protection Apparatuses The...

Страница 24: ...air inlet directly namely air inlet without connection with canvas the method of dismantle the filter is the following anti clockwise the air inlet ring take out the filter and clean it completely an...

Страница 25: ...l restart automatically During water heating the displayed water temperature might still decrease or not increase for a period of time because of the heat exchange of the water When the whole tank of...

Страница 26: ...pipe temp sensor error Heat Pump system error Electric leakage protection TH sensor condenser failure System high pressure protection Discharge pipe temperature overhigh protection No current flowing...

Страница 27: ...will automatically restart after 3 minutes have elapsed since power is restored This means it is not required to press the ON OFF button Operation settings will be the same as before the blackout WARN...

Страница 28: ...Products by the Manufacturer we reserve the right to vary the technical specifications at any time and without notice HOKKAIDO Srl 14 Via della Salute 40132 Bologna Italy Tel 39 051 41 33 111 Fax 39 0...

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