Dražice OKC 200 NTRR Operation And Installation Manual
Water heaters for solar systems
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OPERATION AND
INSTALLATION MANUAL
WATER HEATERS FOR SOLAR SYSTEMS
Družstevní závody Dražice - strojírna s.r.o.
Dražice 69, 294 71 Benátky nad Jizerou
tel.: +420 / 326 370 990
fax: +420 / 326 370 980
e-mail: prodej@dzd.cz
OKC 200 NTRR/SOL
OKC 250 NTRR/SOL
OKC 300 NTRR/SOL
OKC 400 NTR/SOL
OKC 500 NTR/SOL
OKC 400 NTRR/SOL
OKC 500 NTRR/SOL
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Summary of Contents for Dražice OKC 200 NTRR
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Page 1: Installation Manual
OPERATION AND INSTALLATION MANUAL WATER HEATERS FOR SOLAR SYSTEMS OKC 200 NTRR/SOL OKC 250 NTRR/SOL OKC 300 NTRR/SOL OKC 400 NTR/SOL OKC 500 NTR/SOL OKC 400 NTRR/SOL OKC 500 NTRR/SOL Družstevní závody Dražice - strojírna s.r.o. Dražice 69, 294 71 Benátky nad Jizerou tel.: +420 / 326 370 990... -
Page 2: Table Of Contents
CONTENT TECHNICAL SPECIFICATION OF PRODUCT ....................4 FUNCTION DESCRIPTION ........................4 PRODUCT DESCRIPTION ........................4 TECHNICAL PARAMETERS ........................5 1.3.1 TECHNICAL PARAMETERS OF HEATERS ..................5 1.3.2 PRESSURE LOSSES ........................7 1.3.3 TECHNICAL DESCRIPTION ......................8 CONSTRUCTION AND DIMENSIONS OF HEATER ................9 OPERATION AND FITTING INSTUCTIONS .................... - Page 3 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 4: Technical Specification Of Product
1 TECHNICAL SPECIFICATION OF PRODUCT 1.1 FUNCTION DESCRIPTION The OKC 200, 250, 300 NTRR/SOL a OKC 400, 500 NTR,R/SOL water heaters are designed and manufactured as a part of solar system containing additional integral elements of the system, such as sun collectors and their roof holders (flat roof stands), expansion tank, collector filling distribution and other items necessary for proper and trouble-free function of a solar system. -
Page 5: Technical Parameters
1.3 TECHNICAL PARAMETERS 1.3.1 TECHNICAL PARAMETERS OF HEATERS OKC 200 OKC 250 OKC 300 TYPE NTRR/SOL NTRR/SOL NTRR/SOL Capacity Height of the heater 1382 1562 1790 Diameter of the heater Weight Operating hot service water pressure Operating heating water pressure Max temperature of heating water °C Max temperature of HSW... - Page 6 OKC 400 OKC 400 OKC 500 OKC 500 TYPE NTR/SOL NTRR/SOL NTR/SOL NTRR/SOL Tank volume (except anode and exchanger) Tank volume Height of the heater 1919 1919 1892 1892 Diameter of the heater Weight Operating hot service water pressure Operating heating water pressure Max temperature of heating water °C Max temperature of HSW...
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Page 7: Pressure Losses
1.3.2 PRESSURE LOSSES Exchanger with heat Výměník s teplosměnou transfer surface 2 m plochou 2 m2 Exchanger with heat Výměník s teplosměnou transfer surface 1.5 m plochou 1,5 m2 Výměník s teplosměnou Exchanger with heat transfer surface 1.4 m plochou 1,4 m2 Výměník s teplosměnou Exchanger with... -
Page 8: Technical Description
1.3.3 TECHNICAL DESCRIPTION OKC 200 NTRR/SOL OKC 250 NTRR/SOL OKC 300 NTRR/SOL OKC 400 NTR/SOL OKC 500 NTR/SOL OKC 400 NTRR/SOL OKC 500 NTRR/SOL Figure 1 - 8 -... -
Page 9: Construction And Dimensions Of Heater
1.4 CONSTRUCTION AND DIMENSIONS OF HEATER OKC 200 NTRR/SOL OKC 250 NTRR/SOL Figure 2 Type OKC 200 NTRR/SOL OKC 250 NTRR/SOL 1382 1562 1280 1461 - 9 -... - Page 10 OKC 300 NTRR/SOL Figure 3 - 10 -...
- Page 11 OKC 400 NTR/SOL, OKC 400 NTRR/SOL OKC 500 NTR/SOL, OKC 500 NTRR/SOL Figure 4 Type OKC400NTR OKC400NTRR OKC500NTR OKC500NTRR 1094 1114 1194 1194 1264 1264 1289 1289 1409 1409 1446 1604 1798 1798 1790 1790 1919 1919 1892 1892 1005 1005 1040 1040...
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Page 12: Operation And Fitting Instuctions
300, 400 a 500 litre capacity heaters are screwed onto the bottom wooden palette with M12 screws. When the heater is released from the palette and prior to its putting into operation, 3 screw legs supplied as the product accessories have to be installed. With these adjustable legs, the heater may be positioned vertically to the base, within 10 mm. -
Page 13: Examples Of Heaters Connection
2.2 EXAMPLES OF HEATERS CONNECTION 2.2.1 CONNECTING A HEATER TO A SOLAR SYSTEM Heater shall be connected to a solar system by a person familiarised with these heating systems. Temperatures in a solar circuit may achieve far over 100 °C, and there are higher pressures than in typical heating systems, therefore correct selection if interconnecting materials and its coupling is of great importance, as well as correct dimensioning of the expansion tank connected to this system. -
Page 14: Example Of Connecting A Heater With Solar Collectors And A Gas Boiler
2.2.2 EXAMPLE OF CONNECTING A HEATER WITH SOLAR COLLECTORS AND A GAS BOILER Connecting a heater to a boiler heating circuit: The heater is placed on the ground, next to the heating source, or in its vicinity. The heating circuit is connected to marked inputs and outputs of the heater exchanger;... -
Page 15: Plumbing Fixture
2.3 PLUMBING FIXTURE Each hot service water pressure heater must have a membrane spring loaded with a safety valve. Nominal clearance of safety valves is defined by standard. Heaters are not equipped with a safety valve. The safety valve must be easily accessible, as close to the heater as possible. -
Page 16: Putting The Heater Into Operation
2.4 PUTTING THE HEATER INTO OPERATION PROCEDURE OF FIILING HEATER WITH WATER 1. Open the stop valve on the entry to the heater. 2. Open the hot water valve on the combination faucet. Once water starts flowing out through the combination faucet the filling is completed and the faucet shuts off. -
Page 17: Spare Parts
2.6 SPARE PARTS - flange lid - flange lid seal - Magnesium anode - set of M12 bolts - insulation flange lid - 3 pieces of legs with M12 thread - thermowells ½“ When ordering spare parts, give part name, type, and type number from the heater label. 3 IMPORTANT NOTICES 3.1 IMPORTANT NOTICES Check and exchange the Mg anode regularly. -
Page 18: Installation Regulations
3.2 INSTALLATION REGULATIONS Both electric and water installation must follow and meet requirements and regulations relevant in the country of use! 3.3 DISPOSAL OF PACKAGING MATERIAL AND MALFUNCTIONING 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. - Page 19 Technical Data Mini potentiostat CORREX Function Potentiostat with a plug for cathode anticorrosion protection of enamelled electric water heaters (intermitting potentiostat with controlled regulation of protective current potentiostat) with an integrated function indication with red/green LED control lights. Mains power supply Voltage: 230 V ±...
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