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OPERATION AND
INSTALLATION MANUAL
OKC 300 NTR/1 MPa
OKC 400 NTR/1 MPa
OKC 500 NTR/1 MPa
OKC 750 NTR/1 MPa
OKC 1000 NTR/1 MPa
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
STORAGE TANKS
OKC 300 NTRR/1 MPa
OKC 400 NTRR/1 MPa
OKC 500 NTRR/1 MPa
OKC 750 NTRR/1 MPa
OKC 1000 NTRR/1 MPa
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Table of Contents
Related Manuals for Drazice OKC 300 NTR/1 MPa
Summary of Contents for Drazice OKC 300 NTR/1 MPa
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Page 1: Installation Manual
OPERATION AND INSTALLATION MANUAL STORAGE TANKS OKC 300 NTR/1 MPa OKC 300 NTRR/1 MPa OKC 400 NTR/1 MPa OKC 400 NTRR/1 MPa OKC 500 NTR/1 MPa OKC 500 NTRR/1 MPa OKC 750 NTR/1 MPa OKC 750 NTRR/1 MPa OKC 1000 NTR/1 MPa OKC 1000 NTRR/1 MPa Družstevní... -
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 STORAGE TANKS WITH ONE EXCHANGER ........5 1.3.2 TECHNICAL PARAMETERS OF STORAGE TANKS WITH TWO EXCHANGERS ....... 6 1.3.3 PERFORMANCE DATA ........................ - Page 3 READ CAREFULLY THE BELOW INSTRUCTIONS PRIOR TO THE INSTALLATION OF THE STORAGE TANK! 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 storage tanks.
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Page 4: Technical Specification Of Product
1 TECHNICAL SPECIFICATION OF PRODUCT 1.1 FUNCTION DESCRIPTION Indirect stationary storage tanks lines NTR and NTRR are used for water heating in conjunction with another source of heating water, most often a gas boiler. The NTRR types combine two sources of heating water (gas boiler + a solar system or a heat pump). -
Page 5: Technical Parameters
1.3 TECHNICAL PARAMETERS 1.3.1 TECHNICAL PARAMETERS OF STORAGE TANKS WITH ONE EXCHANGER OKC 300 OKC 400 OKC 500 OKC 750 OKC 1000 TYPE NTR/1 MPa NTR/1 MPa NTR/1 MPa NTR/1 MPa NTR/1 MPa Tank capacity Diameter 1010 Weight Operating hot service water pressure Operating heating water pressure... -
Page 6: Technical Parameters Of Storage Tanks With Two Exchangers
1.3.2 TECHNICAL PARAMETERS OF STORAGE TANKS WITH TWO EXCHANGERS OKC 300 OKC 400 OKC 500 OKC 750 OKC 1000 TYPE NTRR/1 NTRR/1 NTRR/1 NTRR/1 NTRR/1 Tank capacity Diameter 1010 Weight Operating hot service water pressure Operating heating water pressure Max temperature of °C heating water Max temperature of... -
Page 7: Performance Data
Table 2 1.3.3 PERFORMANCE DATA Inlet NL Power Factor heating Permanent hot water output Flow in 10 minutes water cwt = 10°C hwt = 45°C cwt = 10°C cwt =10°C hwt = 45°C temperatu Heating Type mth= 50°C mth = 60°C hwt = 45°C hwt = 60°C mth = 50°C mth = 60°C... - Page 8 Inlet NL Power Factor heating Permanent hot water output Flow in 10 minutes water cwt = 10°C hwt = 45°C cwt = 10°C cwt =10°C hwt = 45°C temperatur Heating Type mth = 50°C mth = 60°C hwt = 45°C hwt = 60°C mth = 50°C mth = 60°C water flow...
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Page 9: Pressure Losses
1.3.4 PRESSURE LOSSES - 9 -... -
Page 10: Construction And General Storage Tank Dimensions
1.4 CONSTRUCTION AND GENERAL STORAGE TANK DIMENSIONS OKC 300 NTR/1 MPa Figure 1 OKC 300 NTRR/1 MPa Figure 2 - 10 -... - Page 11 OKC 400 NTR/1 MPa, OKC 500 NTR/1 MPa Figure 3 OKC 400 NTR OKC 500 NTR /1MPa /1MPa 1591 1921 1523 1853 1111 1264 1040 - 11 -...
- Page 12 OKC 400 NTRR/1 MPa, OKC 500 NTRR/1 MPa Figure 4 OKC 400 NTRR OKC 500 NTRR /1MPa /1MPa 1631 1961 1040 1523 1853 1354 1604 1223 1409 1111 1264 1006 1114 - 12 -...
- Page 13 OKC 750 NTR/1 MPa, OKC 1000 NTR/1 MPa Figure 5 OKC 750 NTR/ OKC 1000 NTR 1MPa /1MPa 1998 2025 1887 1905 1417 1490 1010 1314 1324 1079 1087 1643 1672 1005 1025 - 13 -...
- Page 14 OKC 750 NTRR/1 MPa, OKC 1000 NTRR/1 MPa Figure 6 OKC 750 NTRR/ OKC 1000 NTRR/ 1MPa 1MPa 1998 2025 1005 1025 1010 1887 1905 1467 1423 1375 1375 1242 1243 1151 1153 1643 1672 - 14 -...
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Page 15: Operation And Fitting Instruction
2.2 CONNECTING A STORAGE TANK TO A HOT WATER DISTRIBUTION Scheme of storage tank´s water inputs and outputs OKC 300 NTR/1 MPa, OKC 400 NTR/1 MPa, OKC 300 NTRR/1 MPa, OKC 400 NTRR/1 MPa, OKC 500 NTR/1 MPa OKC 500 NTRR/1 MPa,... -
Page 16: Plumbing Fixture
2.3 PLUMBING FIXTURE Each pressure hot water storage tank must have a safety valve with membrane loaded by a spring. Nominal clearance of safety valves is defined by standard. The safety valve must be easily accessible, as close to the storage tank as possible. The inlet pipes must have at least the same clearance as the safety valve. -
Page 17: Connecting A Storage Tank To A Heating System
2.4 CONNECTING A STORAGE TANK TO A HEATING SYSTEM The storage tank 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 storage tank exchanger; deaerating valve is mounted in the highest place. -
Page 18: Putting The Storage Tank Into Operation
An example of a group storage tank connection for steady hot service water consumption from all tanks using Tichelmann´s method C - Circulation 1 – Back-pressure valve 2 - Pump Figure 10 2.5 PUTTING THE STORAGE TANK INTO OPERATION 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. -
Page 19: Putting Out Of Service, Discharge
Procedure: 1. Check both water and electric installation; for combined storage tanks, check the installation to a hot water heating system. Check proper placement of operating and safety thermostat sensors. The sensors must be inserted all the way in; first the operating and then the safety thermostat. 2. -
Page 20: Inspection, Maintenance & Care For The Appliance
2.7 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE During the heating process the water that increases its volume during the heating must visibly drip off the safety valve outlet (in non-pressurised connection this water drips off the combination faucet valve). In full heating (about 74°C) the volumetric water gain is approx. 3.5 % of the tank capacity. -
Page 21: Spare Parts
2.8 SPARE PARTS Magnesium anode Contact thermometer When ordering spare parts, give part name, type, and type number from the storage tank label. 3 IMPORTANT NOTICES 3.1 INSTALLATION REGULATIONS Without a confirmation of performed electrical installation issued by an authorised company, the warranty certificate shall be void. -
Page 22: Disposal Of Packaging Material And Functionless Product
Both the electric and water installation must follow and meet the requirements and regulations relevant in the country of use! 3.2 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 storage tank was delivered. -
Page 23: Assembly Guide For Zip-Fastener Insulation (For 750 And 1000 Litres)
4 ASSEMBLY GUIDE FOR ZIP-FASTENER INSULATION (FOR 750 AND 1000 LITRES) Two people are enough to implement the assembly; three people are required for larger boilers; the assembly must be implemented in areas with the temperature of at least 18 If the insulation includes tank bottom insulation, the latter must be mounted first.
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