Drazice AQUA HP 250 I Specification sheet

OPERATING AND
INSTALLATION MANUAL
WATER HEATER WITH HEAT PUMP
AQUA HP
Družstevní závody Dražice-strojírna s.r.o.
(Works Cooperative - Dražice - Machine Plant, Ltd.)
Dražice 69, 294 71 Benátky nad Jizerou
tel.: +420 / 326 370 911
fax: +420 / 326 370 980
e-mail: expo[email protected]z

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CONTENTS
INTRODUCTION .....................................................................................................................................5
1.1 INFORMATION PRIOR TO THE INSTALLATION............................................................................5
1.2 SAFETY INFORMATION ............................................................................................................... 5
SPECIFICATIONS..................................................................................................................................... 7
2.1 COMPONENTS ............................................................................................................................7
2.2 HEAT PUMP PRINCIPLE............................................................................................................... 8
2.3 TECHNICAL PARAMETERS...........................................................................................................9
TRANSPORT .........................................................................................................................................10
INSTALLATION ..................................................................................................................................... 10
4.1 SAFETY AND CONTROL DEVICE.................................................................................................10
4.1.1 LOW-PRESSURE/HIGH-PRESSURE FUSE............................................................................10
4.1.2 THERMAL FUSE .................................................................................................................10
4.1.3 TEMPERATURE SENSOR....................................................................................................11
4.1.4 CORROSION PROTECTION ................................................................................................11
4.1.5 EXPANSION TANK * .......................................................................................................... 11
4.1.6 SAFETY SYSTEM *.............................................................................................................. 11
4.1.7 PRESSURE CONTROL VALVE*............................................................................................11
4.2 LOCATION .................................................................................................................................12
4.3 INSTALLING AIR INTAKE/EXHAUST ...........................................................................................13
4.3.1 INSTALLATION WITHOUT AIR PIPING ...............................................................................13
4.3.2 INSTALLATION WITH AIR PIPING ...................................................................................... 14
4.4 PLUMBING FIXTURE..................................................................................................................16
4.5 CONDENSATE............................................................................................................................ 17
4.6 WIRING DIAGRAM ....................................................................................................................18
4.7 ELECTRICAL INSTALLATION DIAGRAM......................................................................................18
CONTROL AND PROGRAMMING .........................................................................................................19
5.1 CONTROL PANEL.......................................................................................................................19
5.2 FUNCTION OF THE KEYS ...........................................................................................................19
5.3 DISPLAY.....................................................................................................................................20
5.3.1 DISPLAY DESCRIPTION ......................................................................................................20
5.3.2 SYMBOLS...........................................................................................................................20
5.3.3 SYMBOLS IN THE APPLIANCE'S OPERATION.....................................................................21
5.4 PUTTING INTO OPERATION ...................................................................................................... 21

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5.5 OPERATING MODES..................................................................................................................22
5.5.1 ECO MODE ........................................................................................................................22
5.5.2 AUTO MODE .....................................................................................................................23
5.5.3 BOOST MODE....................................................................................................................23
5.5.4 TCC MODE.........................................................................................................................23
5.5.5 LAT MODE.........................................................................................................................24
5.6 ADDITIONAL FUNCTIONS..........................................................................................................24
5.6.1 DISINFECTION MODE........................................................................................................24
5.6.2 HOLIDAY MODE ................................................................................................................24
5.7 MENU........................................................................................................................................ 24
5.8 CHANGING THE MODE .............................................................................................................25
PROPER OPERATION TEST ...................................................................................................................25
DESCRIPTION OF PARAMETERS...........................................................................................................25
ERROR MESSAGES TABLE .................................................................................................................... 27
TEMPERATURE SENSOR PARAMETERS................................................................................................ 28
TROUBLESHOOTING ............................................................................................................................29
MAINTENANCE OF THE APPLIANCE.....................................................................................................30
11.1 GENERAL MAINTENANCE .........................................................................................................31
11.2 DRAINING WATER FROM THE TANK.........................................................................................31
11.3 MAGNESIUM ANODE................................................................................................................31
11.4 CLEANING OF PRESSURE CONTROL VALVE...............................................................................32
11.5 CONDENSATE DRAIN ................................................................................................................32
11.6 CLEANING THE VENTILATION CIRCUIT .....................................................................................32
11.7 THERMAL FUSE ......................................................................................................................... 32
* not included in the delivery

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CAREFULLY READ THIS MANUAL BEFORE INSTALLING THE WATER HEATER!
Dear Customer,
The Works Cooperative of Dražice - Machine Plant, Ltd., would like
to thank you for your decision to use a product of our brand.
The product is not intended to be controlled by
a) people (including children) with reduced physical, sensual or mental capacities, or
b) people with insufficient knowledge and experiences unless supervised by responsible person,
or unless properly instructed by such responsible person.
Meaning of pictograms used in the Manual
Important information for heater users.
Abiding by the recommendations of the manufacturer serves to ensure trouble-free operation
and the long service life of the product.
Caution!
Important notice to be observed.

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INTRODUCTION
Water heater with an AQUA HP air-water heat pump certainly fulfils all your expectations, and will
comfortably serve you and achieve maximum energy savings for many years. The manufacturer devotes a lot
of time, energy and financial resources to the development of innovations that will promote energy savings
achieved by using the product. Your choice proved correct sentiment and concern about energy
consumption, therefore, a matter that affects the environment. The manufacturer has been committed
to constantly come up with innovative and effective products so that the rational use of energy could actively
contribute to environmental protection and natural resources of the planet. This manual, the purpose of
which is to inform, warn and advise in connection with the use and maintenance of this appliance, should be
retained.
1.1 INFORMATION PRIOR TO THE INSTALLATION
The electrical installation must comply with the valid national legislation applicable to electrical
installations.
AQUA HP will work only after adding the correct dose of coolant.
The maximum recommended pressure of water supplied into the hydraulic circuit is 0.3 MPa,
and the minimum pressure is 0.1 MPa.
Power is AC 230 V, 50 Hz and the power cord must be connected to a grounded receptacle.
If the power cord is damaged, it must be replaced by the manufacturer or a trained service
technician in order to prevent any risk.
AQUA HP shall only be operated if the water heater is filled with water.
Heating other than potable water is not allowed.
1.2 SAFETY INFORMATION
The appliance can be used by children from 8 years of age, persons with physical, sensory
or mental disability or people without experience or knowledge, as long as those people were
briefed on the operation of this device in a secure manner, and are familiar with the related
dangers.
The appliance cannot be played with by children.
Cleaning and maintenance must not be performed by children without proper supervision