Drazice OKC 100 NTR Operation And Installation Manual

Drazice OKC 100 NTR Operation And Installation Manual

Tank type indirect water heaters

Advertisement

OPERATION AND

INSTALLATION MANUAL

TANK TYPE INDIRECT WATER HEATERS
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
tel.: +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

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the OKC 100 NTR and is the answer not in the manual?

Questions and answers

Summary of Contents for Drazice OKC 100 NTR

  • Page 1: Installation Manual

    OPERATION AND INSTALLATION MANUAL TANK TYPE INDIRECT WATER HEATERS 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 TECHNICAL SPECIFICATION OF PRODUCT ....................4 FUNCTION DESCRIPTION ........................4 ADVICE FOR CUSTOMERS ........................4 HOT WATER CONSUMPTION ..................... 4 1.2.1 1.2.2 ENERGY SAVING ......................... 4 DESIGN AND GENERAL HEATER DIMENSIONS ................... 5 OPERATION AND FITTING INSTRUCTIONS ....................16 OPERATING CONDITIONS ........................
  • 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 Indirect stationary heaters of NTR and NTRR series are used for HSW water heating in conjunction with another source of heating water, most often a gas boiler, for NTRR types combination of two heating water sources (gas boiler + solar system, heat pump).
  • Page 5: 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 6: Figure

    Technical description: NTR/HV, NTR/HV, 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 - 6 -...
  • Page 7 Technical description: OKCV125 NTR, OKCV NTR, OKCV NTR, OKCV Figure 4 - 7 -...
  • Page 8 OKC 100 NTR, OKC 125 NTR, OKC 160 NTR OKC 200 NTR, OKC 250 NTR, OKC 200 NTRR, OKC 250 NTRR Figure 5 Figure 6 OKC 100 OKC 125 OKC 160 OKC 200 OKC 200 OKC 250 OKC 250 TYPE...
  • Page 9 TYPE OKC 100 OKC 125 OKC 160 OKC 200 OKC 200 OKC 250 OKC 250 NTRR NTRR CAPACITY MAX. OPERATING OVERPRESSURE IN THE TANK MAX. OPERATING PRESSURE IN THE EXCHANGER EL. PROTECTION IP 44 MAX. °C TEMPERATURE OF RECOMMENDED °C TEMPERATURE MAX.
  • Page 10 OKC 100 NTR/HV, OKC125 NTR/HV, OKC160 NTR/HV Figure 7 OKC 100 NTR/HV OKC 125 NTR/HV OKC 160 NTR/HV 1046 1087 1041 1082 *The height from the bottom edge of the heater to the end of the pipe inlet and outlet.
  • Page 11 OKC 100 OKC 125 OKC 160 TYPE NTR/HV NTR/HV NTR/HV CAPACITY MAX. OPERATING OVERPRESSURE IN THE TANK MAX. OPERATING OVERPRESSURE IN THE EXCHANGER IP PROTECTION IP 44 MAX. HOT WATER TEMPERATURE °C RECOMMENDED HSW TEMPERATURE °C MAX. WEIGHT OF THE HEATER WITHOUT WATER EXCHANGER HEAT SURFACE 1.08...
  • Page 12 OKC 80 NTR/Z, OKC 100 NTR/Z, OKC 125 NTR/Z, OKC 160 NTR/Z, OKC 200 NTR/Z Upper and lower Upper hinge and Hinge 160,180, 200L support 4 anchor bolts 50-125L Dimensions 450mm and J 2 anchor bolt Check before drilling Figure 8...
  • Page 13 OKC 80 OKC 100 OKC 125 OKC 160 OKC 200 TYPE NTR/Z NTR/Z NTR/Z NTR/Z NTR/Z CAPACITY MAX. OPERATING OVERPRESSURE IN THE TANK MAX. OPERATING PRESSURE IN THE EXCHANGER EL. PROTECTION IP 45 MAX. TEMPERATURE OF HSW °C RECOMMENDED HSW TEMPERATURE °C HEIGHT OF THE HEATER 1046...
  • Page 14 OKCV 125 NTR, OKCV 160 NTR, OKCV 180 NTR, OKCV 200 NTR Figure 9 TYPE OKCV 125 NTR OKCV 160 NTR OKCV 180 NTR OKCV 200 NTR 1046 1235 1187 1287 1008 Table 7 - 14 -...
  • Page 15 TYPE OKCV 125 NTR OKC 160 NTR OKCV 180 NTR OKCV 200 NTR CAPACITY MAX. OPERATING OVERPRESSURE IN THE TANK MAX. OPERATING PRESSURE IN THE EXCHANGER EL. PROTECTION IP 44 MAX. TEMPERATURE OF HSW °C RECOMMENDED HSW °C TEMPERATURE MAX. WEIGHT OF THE HEATER WITHOUT HEATER EXCHANGER HEAT SURFACE 0.75...
  • Page 16: 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 17: Plumbing Fixture

    Figure 10 2.3 PLUMBING FIXTURE Connecting heaters into water system in shown in Figure 11, Figure 12, Figure 13. For potential disconnection of the heater, the service water inlets and outlets must be provided with screw coupling Js 3/4“. If the hot service water (HSW) distribution is equipped with circulation circuit, the reverse pipe is connected to the inlet identified as CIRCULATION.
  • Page 18 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 19 Figure 12 0 - Air outlet valve U – Shut-off valve P1 - Safety valve with backflow flap P2 - Safety valve for heating circuit M - Manometer Z – Test valve V - Drain valve Figure 13 - 19 -...
  • Page 20: Connection Of Indirect Heater To Hot Water Heating System

    2.4 CONNECTION OF INDIRECT HEATER TO HOT WATER HEATING SYSTEM It is recommended to install stop valves on the heating water inlet and outlet (for possible dismantling of the heater). The valves have to be as close to the heater as possible to avoid higher thermal losses.
  • Page 21: 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 22: Most Frequent Function Failures And Their Causes

    be open in order to avoid creating under pressure that would prevent water discharge. This has to be performed after one or two years of operation. The cleaning is carried out through the hole in the flange by: draining the boiler, dismantling the flange lid and cleaning the tank. A new sealing has to be used for re-fitting.
  • Page 23: Important Notices

    3 IMPORTANT NOTICES 3.1 INSTALLATION REGULATIONS − Check and exchange the Mg anode regularly. − No stop valves can be put between the heater 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.

Table of Contents