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Drazice OKC 100 NTR Operating And Installation Instruction Manual

Indirect hot water tank
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Download this manual See also: Operation & Installation Manual
OPERATING AND
INSTALLATION MANUAL
INDIRECT HOT WATER TANKS
OKC 100 NTR
OKC 125 NTR
OKC 160 NTR
OKC 200 NTR
OKC 250 NTR
OKC 200 NTRR
OKC 250 NTRR
Družstevní závody Dražice - strojírna s.r.o.
Dražice 69, 294 71 Benátky nad Jizerou
Phone.: +420 /326 370 990
Fax: +420 / 326 370 980
e-mail: prodej@dzd.cz
OKC 100 NTR/HV
OKC 125 NTR/HV
OKC 160 NTR/HV
OKC 80 NTR/Z
OKC 100 NTR/Z
OKC 125 NTR/Z
OKC 160 NTR/Z
OKC 200 NTR/Z
OKCV 125 NTR
OKCV 160 NTR
OKCV 180 NTR
OKCV 200 NTR

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Summary of Contents for Drazice OKC 100 NTR

  • Page 1 OPERATING AND INSTALLATION MANUAL INDIRECT HOT WATER TANKS OKC 80 NTR/Z OKC 100 NTR OKC 100 NTR/HV OKC 100 NTR/Z OKC 125 NTR OKC 125 NTR/HV OKC 125 NTR/Z OKCV 125 NTR OKC 160 NTR OKC 160 NTR/HV OKC 160 NTR/Z...

  • Page 2: Table Of Contents

    CONTENTS PRODUCT TECHNICAL SPECIFICATION ....................... 4 FUNCTION DESCRIPTION ........................4 ADVICE FOR CUSTOMERS ........................4 1.2.1 HOT WATER CONSUMPTION ..................... 4 1.2.2 ENERGY SAVING ......................... 4 1.2.3 EMERGENCY POWER CONSUMPTION ..................5 DESIGN AND GENERAL HEATER DIMENSIONS ................... 6 OPERATION AND FITTING INSTRUCTIONS ....................17 OPERATING CONDITIONS ........................
  • Page 3 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. With this guide, we will introduce you to the use, construction, maintenance and other information on electrical water heaters.

  • Page 4: Product Technical Specification

    1 PRODUCT TECHNICAL SPECIFICATION 1.1 FUNCTION DESCRIPTION Indirect stationary NTR and NTRR series TANKS are used to prepare HSW in combination with another hot water supply, mostly gas boiler; in NTRR types in combination of two hot water sources (gas boiler + solar system, heat pump).

  • Page 5: Emergency Power Consumption

    Data sheet - see Table 1. Heating Pressure TYPE water flow loss (mbar) (l/h) OKC 100 NTR OKC 125 NTR OKC 160 NTR OKC 200 NTR OKC 250 NTR OKC 200 NTRR 2 x 33...

  • Page 6: Design And General Heater Dimensions

    Heater dimensions (Figure 5, Figure 6, Figure 7, Figure 8) and (Table 2, Table 4, Table 6, Table 8). Technical description: OKC 100 NTR, OKC 125 NTR, OKC 160 NTR, OKC 200 NTR, OKC 250 NTR, OKC 200 NTRR, OKC 250 NTRR...
  • Page 7 Technical description: OKC 100 NTR/HV, OKC 125 NTR/HV, OKC 160 NTR/HV Figure 2 Technical description: OKC 80 NTR/Z, OKC 100 NTR/Z, OKC 125 NTR/Z, OKC 160 NTR/Z, OKC 200 NTR/Z Figure 3 - 7 -...
  • Page 8 Technical description: OKCV 125 NTR, OKCV 160 NTR, OKCV 180 NTR, OKCV 200 NTR Figure 4 - 8 -...
  • Page 9 OKC 100 NTR, OKC 125 NTR, OKC 160 NTR OKC 200 NTR, OKC 250 NTR, OKC 200 NTRR, OKC 250 NTRR Figure 5 OKC 100 OKC 125 OKC 160 OKC 200 OKC 200 OKC 250 OKC 250 NTRR NTRR 1067...
  • Page 10 OKC 100 OKC 125 OKC 160 OKC 200 OKC 200 OKC 250 OKC 250 TYPE NTRR NTRR VOLUME MAX OPERATING OVERPRESSURE IN THE TANK MAX OPERATING OVERPRESSURE IN THE EXCHANGER ELECTRICAL CONNECTION OF 1 PE-N 230V/50Hz CONTROL ELEMENTS EL. PROTECTION IP 42 MAX TEMPERATURE °C...
  • Page 11 OKC 100 NTR/HV, OKC 125 NTR/HV, OKC 160 NTR/HV neck #1 3/4" outer neck #2 3/4" outer neck #3 3/4" outer neck #4 3/4" outer neck #5 3/4" outer neck #6 1/2" inner Figure 6 TYPE OKC 100 NTR/HV OKC 125 NTR/HV...
  • Page 12 OKC 100 OKC 125 OKC 160 TYPE NTR/HV NTR/HV NTR/HV VOLUME MAX OPERATING OVERPRESSURE IN THE TANK MAX OPERATING OVERPRESSURE IN THE EXCHANGER ELECTRICAL CONNECTION OF CONTROL ELEMENTS 1 PE-N 230 V/50Hz EL. PROTECTION IP 42 MAX TEMPERATURE TUV °C RECOMMENDED HSW TEMPERATURE °C MAX WEIGHT OF THE HEATER WITHOUT WATER...
  • Page 13 OKC 80 NTR/Z, OKC 100 NTR/Z, OKC 125 NTR/Z ① 3/4" outer OKC 160 NTR/Z, OKC 200 NTR/Z ② 1" outer ③ 3/4" inner Figure 7 TYPE OKC 80 OKC 100 OKC 125 OKC 160 OKC 200 NTR/Z NTR/Z NTR/Z...
  • Page 14 OKC 80 OKC 100 OKC 125 OKC 160 OKC 200 TYPE NTR/Z NTR/Z NTR/Z NTR/Z NTR/Z VOLUME MAX OPERATING OVERPRESSURE IN THE TANK MAX OPERATING OVERPRESSURE IN THE EXCHANGER ELECTRICAL CONNECTION OF 1 PE-N 230V/50Hz CONTROL ELEMENTS EL. PROTECTION IP 44 TEMPERATURE °C RECOMMENDED...
  • Page 15 OKCV 125 NTR, OKCV 160 NTR, OKCV 180 NTR, OKCV 200 NTR ① 3/4" inner Figure 8 TYPE OKCV 125 NTR OKCV 160 NTR OKCV 180 NTR OKCV 200 NTR 1067 1255 1187 1287 1013 Table 8 - 15 -...
  • Page 16 TYPE OKCV 125 NTR OKCV 160 NTR OKCV 180 NTR OKCV 200 NTR VOLUME MAX OPERATING OVERPRESSURE IN THE TANK MAX OPERATING OVERPRESSURE IN THE EXCHANGER ELECTRICAL CONNECTION OF 1 PE-N 230 V/50Hz CONTROL ELEMENTS EL. PROTECTION IP 42 MAX TEMPERATURE °C RECOMMENDED °C...

  • Page 17: Operation And Fitting Instructions

    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. Besides legally acknowledged national regulations and standards, also conditions for connection defined in local electric and water works have to be adhered to, as well as the installation and operation manual.

  • Page 18: Plumbing Fixture

    Figure 9 2.3 PLUMBING FIXTURE Tanks are connected to plumbing fixtures as shown in (Figure 10, Figure 11, Figure 12). For potential disconnection of the tank, utility water inlets and outlets must be provided with Js 3/4“ screw coupling. If the hot utility water (HSW) distribution is equipped with circulation circuit, the reverse pipe is connected to the inlet identified as CIRCULATION.
  • Page 19 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 20 O - bleeder valve U - stop valve P1 – safety valve with reverse flap P2 - safety valve for heating circuit M – manometer Z - test valve V - drain valve Figure 2 - 20 -...

  • Page 21: Electrical Installation

    2.4.2 ELECTRONIC THERMOSTAT WIRING METHODS Wiring of tanks of the below types: OKC 100 NTR, OKC 125 NTR, OKC 160 NTR, OKC 200 NTR, OKC 200 NTRR, OKC 250 NTRR, OKC 100 NTR/HV, OKC125 NTR/HV, OKC160 NTR/HV - there is voltage on terminal 2 if tank is heated...

  • Page 22: Connection Of Indirect Tank To Hot Water System

    Wiring of tanks of the below types: OKC 80 NTR/Z, OKC 100 NTR/Z, OKC 125 NTR/Z, OKC 160 NTR/Z, OKC 200 NTR/Z, OKCV 125 NTR, OKCV 160 NTR, OKCV 180 NTR, OKCV 200 NTR - there is voltage on terminal 1 if tank is not...

  • Page 23: Putting Out Of Service, Discharge

    During the heating process the pressurised connection water that increases its volume due to heating must drip off the safety valve. In non-pressurised connection water drips off the overflow combination faucet. When heating is finished, the set temperature and the actual temperature of consumed water should be roughly equal.

  • Page 24: Inspection, Maintenance & Care For The Appliance

    2.8 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE During the heating process the water that increases its volume during the heating must drip off the safety valve outlet (in non-pressurised connection this water drips off the combination faucet valve). In full heating (about 65 C) the volumetric water gain is approx.

  • Page 25: Most Frequent Function Failures And Their Causes

    2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES Other potential failures – Table 11. FAILURE SYMPTOM INDICATOR SOLUTION Temperature of water is • Defective thermostat not corresponding with the set value Water is constantly • LED is not on • high input pressure dripping off the safety •...
  • Page 26 Thermostat knob Electric circuit closing indicator lamp Figure 15 Panel of OKC NTR,R and OKC NTR/HV tanks of 100 to 250 l volumes Indicator of completed heating Electric circuit closing indicator lamp Thermometer Thermostat knob Electric circuit closing indicator lamp Thermostat knob Figure 16 - 26 -...

  • Page 27: Temperature Setting

    3.1.2 TEMPERATURE SETTING Water temperature is set by turning the thermostat knob. The desired symbol is adjusted against the fixed point on the control panel (Figure 17). lower limit of temp. scope upper temperature range (around 5°C) limit (about 74℃) fixed point on the control panel "ideal"...

  • Page 28: Important Notices

    4 IMPORTANT NOTICES 4.1 INSTALLATION REGULATIONS Check and exchange the Mg anode regularly. No closing armature may be mounted between the tank and the safety valve. If the overpressure in the eater main exceeds 0.6 MPa, a reduction valve must be mounted before the safety valve.

This manual is also suitable for:

Okc 100 ntr/hvOkc 100 ntr/zOkc 125 ntr/hvOkc 125 ntr/zOkcv 125 ntrOkc 160 ntr ... Show all

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