Drazice OKCE 160 NTR Operation And Installation Manual
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Drazice OKCE 160 NTR Operation And Installation Manual

Stationary electric water heaters
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OPERATION AND

INSTALLATION MANUAL

STATIONARY ELECTRIC WATER HEATERS
OKCE 160 NTR / 2,2 kW
OKCE 200 NTR / 2,2 kW
OKCE 250 NTR / 2,2 kW
OKCE 300 NTR / 2,2 kW
OKCE 300 NTR / 3-6 kW
OKCE 200 NTRR / 2,2 kW
OKCE 250 NTRR / 2,2 kW
OKCE 300 NTRR / 2,2 kW
OKCE 300 NTRR / 3-6 kW
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 160 NTR / BP
OKC 200 NTR / BP
OKC 250 NTR / BP
OKC 300 NTR / BP
OKC 200 NTRR / BP
OKC 250 NTRR / BP
OKC 300 NTRR / BP

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Summary of Contents for Drazice OKCE 160 NTR

  • Page 1: Installation Manual

    OPERATION AND INSTALLATION MANUAL STATIONARY ELECTRIC WATER HEATERS OKCE 160 NTR / 2,2 kW OKC 160 NTR / BP OKCE 200 NTR / 2,2 kW OKC 200 NTR / BP OKCE 250 NTR / 2,2 kW OKC 250 NTR / BP...

  • Page 2: Table Of Contents

    CONTENT TECHNICAL SPECIFICATION OF PRODUCT ....................4 FUNCTION DESCRIPTION ........................4 PRODUCT DESCRIPTION ........................4 CONSTRUCTION AND GENERAL HEATER DIMENSION ............... 5 TECHNICAL PARAMETERS ........................9 OPERATION AND FITTING INSTRUCTION ....................13 OPERATING CONDITIONS ........................ 13 ELECTRIC INSTALLATION ........................13 2.2.1 TECHNICAL PARAMETERS OF AN ELECTRIC HEATING UNIT ............
  • 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.

  • Page 4: Technical Specification Of Product

    1 TECHNICAL SPECIFICATION OF PRODUCT 1.1 FUNCTION DESCRIPTION Thanks to their construction and number of variants, the OKC 160 – 300 series water heaters enable economic preparation of hot service water (HSW) by means of various power sources. Their nominal performance provides sufficient amount of hot water for flat units, premises, restaurants, and similar establishments.

  • Page 5: Construction And General Heater Dimension

    1.3 CONSTRUCTION AND GENERAL HEATER DIMENSION OKCE 160 NTR/2,2 kW, OKCE 200 NTR/2,2 kW, OKCE 250 NTR/2,2 kW OKC 160 NTR/BP, OKC 200 NTR/BP, OKC 25 NTR/BP OKCE 160 NTR/2,2 kW OKCE 200 NTR/2,2 kW OKCE 250 NTR/2,2 kW Type...
  • Page 6 OKCE 200 NTRR/2,2 kW, OKCE 250 NTRR/2,2 kW, OKC 200 NTRR/BP, OKC 250 NTRR/2,2 BP OKCE 200 NTRR/2,2 kW OKCE 250 NTRR/2,2 kW Type OKC 200 NTRR/BP OKC 250 NTRR/BP 1362 1542 1282 1465 1065 Figure 2 1002 1152 1335 - 6 -...
  • Page 7 OKCE 300 NTR/2,2 kW, OKCE 300 NTR/3-6 kW, OKC 300 NTR/BP Figure 3 - 7 -...
  • Page 8 OKCE 300 NTRR/2,2 kW, OKCE 300 NTRR/3-6 kW, OKC 300 NTRR/BP Figure 4 - 8 -...

  • Page 9: Technical Parameters

    1.4 TECHNICAL PARAMETERS TYPE OKCE 160 NTR/2,2kW OKC 160 NTR/BP CAPACITY [l] WEIGHT OF THE HEATER [kg] OPERATING PRESSURE IN THE TANK [MPa] OPERATING OVERPRESSURE IN THE EXCHANGER [MPa] MAX HEATING WATER TEMPERATURE [°C] MAX TEMPERATURE OF HSW [°C] LOWER EXCHANGER HEAT DELIVERY...
  • Page 10 OKCE 200 OKC 200 OKCE 200 OKC 200 TYPE NTR/2,2kW NTR/BP NTRR/2,2 kW NTRR/BP CAPACITY [l] WEIGHT OF THE HEATER kg] OPERATING PRESSURE IN THE TANK [MPa] OPERATING OVERPRESSURE IN THE EXCHANGER [MPa] MAX HEATING WATER TEMPERATURE [°C] MAX TEMPERATURE OF [°C] LOWER EXCHANGER HEAT 1,45...
  • Page 11 OKCE 250 OKC 250 OKCE 250 OKC 250 TYPE NTR/2,2kW NTR/BP NTRR/2,2 kW NTRR/BP CAPACITY [l] WEIGHT OF THE HEATER [kg] OPERATING PRESSURE IN THE TANK [MPa] OPERATING OVERPRESSURE IN THE EXCHANGER [MPa] MAX HEATING WATER TEMPERATURE [°C] MAX TEMPERATURE OF HSW [°C] LOWER EXCHANGER HEAT...
  • Page 12 OKCE 300 OKCE 300 OKCE 300 OKCE 300 OKC 300 OKC 300 TYPE NTR/2,2 NTR/3-6 NTRR/2,2 NTRR/3-6 NTR/BP NTRR/BP CAPACITY [l] WEIGHT OF THE HEATER [kg] OPERATING PRESSURE IN THE TANK [MPa] OPERATING OVERPRESSURE IN THE EXCHANGER [MPa] MAX HEATING WATER TEMPERATURE [°C] MAX TEMPERATURE OF [°C]...

  • Page 13: Operation And Fitting Instruction

    10 mm. 2.2 ELECTRIC INSTALLATION Wiring for: OKCE 160 NTR/2,2 kW, OKCE 200 NTR/2,2 kW, OKCE 200 NTRR/2,2 kW, OKCE 250 NTR/2,2kW, OKCE 250 NTRR/2,2 kW, OKCE 300 NTR/2,2 kW, OKCE 300 NTRR/2,2 kW, OKCE 300 NTR/3-6 kW OKCE 300...

  • Page 14: Technical Parameters Of An Electric Heating Unit

    2.2.1 TECHNICAL PARAMETERS OF AN ELECTRIC HEATING UNIT Heating unit Universal heating unit 3–6 kW 2,2 kW PERFORMANCE (kW) 1 PE-N AC 1 PE-N AC 2 PE-N AC 3 PE-N AC 3 PE-N AC VOLTAGE 230 V 50 Hz 230 V 50 Hz 400 V 50 Hz 400 V 50 Hz 400 V 50 Hz...

  • Page 15: Heating Unit - Flanges

    2.2.2 HEATING UNIT – FLANGES OKCE 300 NTR/2.2 kW, OKCE 300 NTRR/2.2 kW OKCE 160 NTR/2.2 kW, OKCE 200 NTR/2.2 kW, Flange 2.2 kW OKCE 200 NTRR/2.2 kW, OKCE 250 NTR/2.2 kW, OKCE 250 NTRR/2.2 kW Flange 2.2 kW Fastening 8 x M10...

  • Page 16: Plumbing Fixture

    Heating unit 3-6 kW The 3-6 kW heating unit allows 4 universal types of connection based on either the required time of heating, or possibilities of electric network in the place of use. To achieve the chosen performance of the heating unit, connect the inlet conductor to the terminal board L1-L2-L3-N and interconnect the terminals on the terminal board 1 –...
  • Page 17 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 18: Pressure Losses

    2.4 PRESSURE LOSSES Exchanger with 1.5 m heat transfer surface Exchanger with 1 m heat transfer surface Heating water flow m /hour Pressure loss mbar Type tHV = 60 °C Amount of rating water in m Exchanger 1 m Exchanger 1.5 m 2.5 EXAMPLES OF HEATERS CONNECTION Connecting a heater to a rating circuit The heater is placed on the ground, next to the heating source, or in its vicinity.
  • Page 19 Connecting a heater to a hot water distribution Cold water shall be connected to an inlet marked with a blue ring and writing “HSW INLET”. Hot water shall be connected to an outlet marked with a red ring or writing “HSW OUTLET”. If the hot service water (HSW) distribution is equipped with circulation circuit, it shall be connected to the outlet marked with “CIRCULATION”.
  • Page 20 OKC 160-300 NTR Heated by a gas boiler with two pumps Figure 11 - 20 -...
  • Page 21 OKC 200-300 NTRR Heated by a gas boiler and solar collectors, controlled by a three-way valve Figure 12 - 21 -...

  • Page 22: Putting The Heater Into Operation

    2.6 PUTTING THE HEATER INTO OPERATION After connecting a heater to the water main, the hot water heating system, the electric network, and after testing its safety valve (based on the valve manual attached), the heater may be put into operation. Procedure: Check both water and electric installation.

  • Page 23: Hsw Temprerature Control For 160 - 250 Litre Heaters

    2.7.2 HSW TEMPRERATURE CONTROL FOR 160 – 250 LITRE HEATERS OKCE 160 NTR/2,2 kW, OKCE 200 NTR/2,2 kW, OKCE 250 NTR/2,2 kW, OKC 160 NTR/BP, OKC 200 NTR/BP, OKC 250 NTR/BP OKCE 200 NTRR/2,2 kW, OKCE 250 NTRR/2,2 kW, OKC 200 NTRR/BP, OKC 250 NTRR/BP Each heater has a separate HSW temperature control for every exchanger.

  • Page 24: Heater Cleaning And Anode Rod Exchange

    Wiring scheme: 230 V 24 V 2.8 HEATER CLEANING AND ANODE ROD EXCHANGE Repetitive water heating causes limestone sediment on both the enamelled tank walls and chiefly the flange lid. The sedimentation depends on the hardness of water heated, its temperature, and amount of hot water consumed.

  • Page 25: Spare Parts

    2.9 SPARE PARTS - Flange lid - flange lid seal - insulation flange lid - Thermostat and thermal fuse - Magnesium anode - control button for the thermostat - Control lights with wires - capillary thermometer - set of M12 (or M10) bolts When ordering spare parts, give part name, type, and type number from the heater label.

  • Page 26: Disposal Of Packaging Material And Functionless Product

    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 water heater was delivered. The service fee was paid pursuant to Act No. 477/2001 Coll., as amended, at EKO- KOM a.s.

This manual is also suitable for:

Okce 200 ntrOkc 160 ntrOkc 200 ntrOkce 250 ntrOkc 250 ntrOkce 300 ntr ... Show all

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