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OPERATING and
INSTALLATION MANUAL
TANK-TYPE WATER HEATER FOR VERTICAL
MOUNTING
OKHE 80,100,125,160-SMART
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: export@dzd.cz
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Summary of Contents for Dražice OKHE 80-SMART
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Page 1: Installation Manual
OPERATING and INSTALLATION MANUAL TANK-TYPE WATER HEATER FOR VERTICAL MOUNTING OKHE 80,100,125,160-SMART 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: export@dzd.cz... -
Page 2: Table Of Contents
CONTENTS technical specification of product ......................5 Function description ........................5 ADVICE FOR CUSTOMERS ........................ 5 1.2.1 Hot water consumption ......................5 1.2.2 Energy saving ..........................5 1.2.3 Emergency power consumption ....................5 design and general heater dimensions ................... 6 OPERATION AND FITTING INSTRUCTIONS .................... - Page 3 Important NoticeS ..........................21 Installation regulations........................21 Disposal of packaging material and functionless product ............. 22 - 3 -...
- Page 4 READ CAREFULLY THE BELOW INSTRUCTIONS PRIOR TO THE INSTALLATION THE 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. With this guide, we will introduce you to the use, construction, maintenance and other information on electrical water heaters.
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Page 5: Technical Specification Of Product
1 TECHNICAL SPECIFICATION OF PRODUCT 1.1 FUNCTION DESCRIPTION The heater is designed for accumulation heating of service water using electricity. Water is heated by an electric element in an enamelled thermally insulated tank. At the time of heating, the element is controlled by an electronic thermostat E1 that provides multiple operation modes, including comfort functions. -
Page 6: Design And General Heater Dimensions
OKHE 80- OKHE 100- OKHE 125- OKHE 160- MODEL SMART SMART SMART SMART UNIT HEAT LOSSES [kWh/24hr/l] 6.88 6.77 NOMINAL CAPACITY [l] TIME OF WARMING UP CONTENT OF TEMPERATURE ∆T=50°C [hours] ELECTRICITY CONSUMPTION FOR WARMING CONTENTS FROM 15°C TO 65°C [kWh] TOTAL HEAT LOSSES [kWh/24hr] 0.55... -
Page 7: Operation And Fitting Instructions
OKHE OKHE OKHE OKHE model 100- 125- 160- SMART SMART SMART SMART A [mm] 1052 1237 1050 B [mm] (560) (650) (800) (1000) C [mm] (177) (232) (247) (232) weight without water [kg] Figure 2 Table 2 2 OPERATION AND FITTING INSTRUCTIONS 2.1 OPERATING CONDITIONS The tank shall only be used in accordance with the conditions specified on the performance plate and in instructions for electric wiring. -
Page 8: Wall Mounting
2.2 WALL MOUNTING Prior to the mounting, check the bearing capacity of the wall and the material it is made of, considering the weight of the heater filled with water. Depending on the wall material, choose adequate fixtures. Should you have any doubts regarding the wall bearing capacity, consult the suspension with a building specialist. -
Page 9: Electric Wiring
It is necessary to check the safety valve each time before putting it into operation. It is checked by manual moving of the membrane from the seat, turning the make-and-break device button always in the direction of the arrow. After being turned, the button must click back into a notch. -
Page 10: Methods Of Electronic Thermostat Connection
Figure 5 It is necessary to observe the below requirements during the electric wiring. Heater is connected to power supply 2 PEN AC 230V/50Hz via a fixed movable wire/wires (depending on the connection method). The circuit must contain a breaker disconnecting all poles of the network, and a circuit breaker (protector). - Page 11 Conductors: Clamps: L_LINE – Phase conductor, permanent voltage LT – Phase conductor, thermal fuse N_LINE – Working conductor, permanent voltage LH – Phase conductor, heating element PE _LINE – protective conductor LF – Phase conductor, feeding of thermostat LS – Phase conductor, HDO detector NF –...
- Page 12 C, HDO connection This connection is convenient for households with HDO – reduced electricity tariffs, and the following modes are functional: NORMAL (in this case same functionality as in the HDO mode), HDO, SMART, HDO, ECO and PROG. The display is active (backlit, the temperature inside the heater is displayed) only when HDO is supplied.
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Page 13: First Heater Commissioning
2.5 FIRST HEATER COMMISSIONING Before opening the power supply, the tank must be filled with water. The process of first heating must be executed by licensed professional who has to check it. Both the hot water outlet pipe and safety armature parts may be hot. During the heating process the pressurised connection water that increases its volume due to heating must drip off the safety valve. -
Page 14: Putting Out Of Service, Discharge
2.6 PUTTING OUT OF SERVICE, DISCHARGE If the hot water heater is put out of service for a longer time, or if it is not going to be used it has to be drained and disconnected from the electric supply network on all poles. The switch for the supply lead or the fuse cut-outs have to be shut off. -
Page 15: Most Frequent Function Failures And Their Causes
2.8 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES The thermostat is equipped with auto-diagnostics that allows display of some failure modes. If a failure occurs, the failure symbol shows on the display and the failure code can be looked up in the menu (Table 4). -
Page 16: Operating Modes
3.1 OPERATING MODES 3.1.1 NORMAL Mode in which the controller keeps the heater at constant, user defined temperature in the range between 5 to 65°C. A standard thermostat function – keeps the heater constantly warmed up to the set temperature, same as the existing capillary thermostats. 3.1.2 HDO The controller keeps the heater at constant, user defined temperature in the range between 5 až... -
Page 17: Display
In addition, in all modes (except STOP) the minimum temperature of 5°C is maintained (if the temperature drops below this value, the heating element activates. Electricity supply is the only requirement. 3.2 DISPLAY The display contains the below listed data (Figure 9): 1. -
Page 18: Control
The options of display images are described in Table 6. Data displayed Description Current and set In idle mode, the display does not show current temperature in the boiler, or this temperature in imaging can be achieved with arrows UP / DOWN (symbol °C). If network voltage is boiler not available, dashes are displayed. -
Page 19: Standard Display Mode
SMART HDO (the SMART and HDO symbols are active on the display). PROG/ANTIFROST Confirm the selected mode by short pressing OK. If no confirmation by pressing the OK key comes within thirty seconds from the last pressing of any of the arrows, the newly set mode does not save and the thermostat returns to normal mode. - Page 20 with short pressing of OK. If no confirmation by pressing the OK key comes within thirty seconds from the last pressing of any of the arrows, the newly set time does not save and the thermostat returns to normal mode. 3.3.3.4 Date setting Using the UP or DOWN arrows select the current date display mode (symbol "date“) and long press the OK key until the first double figure indicating the day starts flashing.
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Page 21: Important Notices
4 IMPORTANT NOTICES 4.1 INSTALLATION REGULATIONS Regulations and instructions that must be obeyed in connecting the heater to power network – Table 7. Standard No Standard description: ČSN 33 2180 Connecting of electric devices and appliances. Low voltage electric installations: Protective measures to ensure safety – ČSN 33 2000-4-41 Protection against electric shock. - Page 22 4.2 DISPOSAL OF PACKAGING MATERIAL AND FUNCTIONLESS PRODUCT A service fee for providing return and recovery of packaging material has been paid for the packaging in which the water heater was delivered. The service fee was paid pursuant to Act No 477/2001 Coll., as amended, at EKO- KOM a.s.
- Page 23 Product data Stamp and exact shop address: Type: Sale date: Type number: Expert plumbing assembly implemented by: Serial number: Assembly date: Production date: Stamp, signature, and exact address: Complete product data from the plate or stick the Expert electrical assembly implemented by: plate here Assembly date: The product underwent a final inspection and passed the following...
- Page 24 If the production plate with serial number is either damaged or missing. 3. Service: Warranty and after-warranty repairs are secured by the seller: DZ Dražice - strojírna s.r.o. either on its own or with the help of contractual and authorised contractual service partners. 4.
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