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Due to on-going technological development of the 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 +39.051.41.33.112

www.hokkaido.eu

www.termalgroup.com

Содержание HWMI 150 A

Страница 1: ... 1 WATER HEATER INSTALLATION USER S MANUAL WARNING PLEASE READ CAREFULLY THIS MANUAL BEFORE INSTALLING THE WATER HEATER Models HWMI 150 A HWMI 190 A ...

Страница 2: ...ducts 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 the system yourself the dis mantling of this kind of system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance with relevant local and national legi...

Страница 3: ...is 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 we concerned ...

Страница 4: ... Contents PRODUCT S OUTLINE 5 PRECAUTIONS ACCESSORIES 6 INSTALLATION 8 WIRING 11 OPERATING INSTRUCTIONS 13 TRIAL RUNNING CAPABILITY 20 MAINTENANCE 22 DIAGNOSTIC ERROR CODES 23 AUTOMATIC RESTART AFTER A BLACKOUT 25 ...

Страница 5: ...lectric Heater upper Electric Heater lower Water Inlet Drainpipe Electronic Control Box Compressor Front Cover Display Front Decorative Board Cover Electric Heater upper Cover Electric Heater lower NOTE All the pictures in this Manual are for explanation purpose only They may be slightly different from the Water Heater you purchased depends on Model ...

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 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 caug...

Страница 7: ...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 water drops from the hole of PT valve during operation In case of a great amount of water please contact the Authorized Technical Service for instructions After a long term use check the Unit stand and fittings If dama...

Страница 8: ...llation 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 the Unit needs to be installed on a metal holder make sure they are insulated well and in accordance with local standards Installing the equipment in any of the following places may lead to malfun...

Страница 9: ...location protected from the Unit Carry the Unit to the installation site by observing rules and limits set by Manufacturer Install the Unit In order to avoid scratching or deforming the Unit s surface apply guard boards to the contacting surface INSTALLATION 4 WARNING Avoid contact of fingers or of other objects with the vanes Don t incline the Unit more than 45 in moving and keep it vertical when...

Страница 10: ... Do not dismantle the PT Valve Do not block off the Drainage pipe If you do not comply with 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 G3 4 It is used to prevent backflow of water Installation of the Y shaped Filter the specifications of the Y shaped filter thread in accessories is G3 4...

Страница 11: ...t again and make sure the correctness before supplying power CAUTION WARNING 6 1 Specifications of Power Supply Table 6 1 Fig 6 1 6 2 Electric leakage protector E Power Cable with Creepage Breaker Creepage Protector Plug Socket Power Supply Check the voltage between L and N of powerline with MULTIMETER you will get a data V1 Also check the voltage between L and E of powerline with MULTIMETER you w...

Страница 12: ... Sensor upper Earthing 6 3 Wiring Diagram N O N O N O T1 E LE L N G T5U T5L T3 T4 TP T5U T5L T3 T4 TP T3 T4 TP 220 240V 50 Hz C T4 1 2 4 3 C H A G B G A E E G C E F H E H D H C G D G E H G H H U T2 H F Compressor Compressor Main Control Board Electric Heater upper Electric Heater lower Pressure Switch TCO Water Tank Control Panel TOD ...

Страница 13: ...t 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 must be emptied Method see Fig 7 2 Operation without water in water tank may result in damage of auxiliary e heater Due to such damage the Supplier is not responsible for the quality issue If water te...

Страница 14: ...ndicator 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 water temperature exceeds 40 C it lights up OUTLET TEMP indicator It displays water temperature of the upper part of the tank which can be used It always lights TIMER CONFLICT indicator It lights up ...

Страница 15: ...on 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 indicator lighting it shows tank s temperature When the tank is full please press the ON OFF key the FILL WATER indicator will stop flashing and you can set your desired operation modes When setting is com...

Страница 16: ...ectric 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 tank Default is 65 C The Economy mode setting range is 38 65 C The Hybrid and E heater mode setting mode setting mode is 38 70 C In the following page method for setting temperature is shown Method f...

Страница 17: ...nd 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 decrease the water temperature When the set temperature is higher than 50 C the HIGH TEMP indicator will light Press the TIME ON key the minute digits of the clock on the display start flashing slowly Pr...

Страница 18: ... 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 CANCEL key for 1 second the TIME ON OFF function will be cancelled Stop operation for about 10 sec flashing stops and TIME ON TIME OFF set is finished CANCEL TIME OFF TIME OFF TIME ON Press the TIME ...

Страница 19: ...ds 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 though the system could be used in some circumstances it could not reach the expected efficiency Please contact the Authorized Technical Service Error Code Explanation see further on Table 10 2 Whatever...

Страница 20: ...nit 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 of Unit itself the temperature value is not displayed HYBRID Mode In this mode the system will adjust the working capabiities of e heater and heat pump according to the tank water temperature Water outlet temper...

Страница 21: ...utlet water is unclean Keep the tap on and it will be clean soon When common error happens the system enters Standby Mode and could still work but not so efficient as normal Please contact the Authorized Technical Service Defrosting during Water heating not available on these Models Water Temperature Display Error Display Restart after a Long Stop Ambient Temperature Mode Selection Self Protection...

Страница 22: ...rder to avoid decrease in heating performance and malfunctions Before shutting the system down for a long time please Shut down the power supply Release all the water in water tank and the pipeline and close all the valves Check the inner components regularly Turn off the power and turn off the water inlet valve Open hot water tap and decrease the pressure of the inner container Open the drainpipe...

Страница 23: ...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 water has reached the set temperature the system will stop automatically In case of malfunction or error it is recommended to stop Unit s operation and to disconnect the appliance Please contact the Aut...

Страница 24: ... error Electric leakage protection Evap pipe temperature overlow protection Discharge pipe temperature overhigh protection Compressor circuit open protection P4 P8 P9 PA Pb Compressor overloaded protection Upper e heater circuit open protection Upper e heater overloaded protection Lower e heater circuit open protection Lower e heater overloaded protection Ambient temperature is not fit for heat pu...

Страница 25: ... 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 WARNING However it is necessary to program TIMER again as in case of a blackout TIMER settings for automatic start or start stop of the Water Heater are cancelled ...

Страница 26: ...NOTES ...

Страница 27: ...NOTES ...

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 39 051 41 33 112 www hokkaido eu www termalgroup com ...

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