Drazice OKC 80 Operating And Installation Manual
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Drazice OKC 80 Operating And Installation Manual

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OPERATING AND

INSTALLATION MANUAL

Combined water heaters and tanks for vertical assembly
TANK-TYPE WATER HEATER
OKC 80
OKC 100
OKC 125
OKC 160
OKC 180
OKC 200
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
HOT WATER TANKS
OKC 100/1 m
OKC 125/1 m
OKC 160/1 m
OKC 180/1 m
OKC 200/1 m
2
2
2
2
2

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Summary of Contents for Drazice OKC 80

  • Page 1: Installation Manual

    OPERATING AND INSTALLATION MANUAL Combined water heaters and tanks for vertical assembly TANK-TYPE WATER HEATER HOT WATER TANKS OKC 80 OKC 100 OKC 100/1 m OKC 125 OKC 125/1 m OKC 160 OKC 160/1 m OKC 180 OKC 180/1 m...

  • 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 EMERGENCY POWER CONSUMPTION ....................... 5 DESIGN AND GENERAL HEATER DIMENSIONS ................... 5 OPERATION AND FITTING INSTRUCTIONS ....................9 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 The heater is designed for the so-called accumulation heating of service water by electric energy, or by thermal energy through exchanger. Water is heated by an electric element or heat exchanger in an enamelled thermally insulated tank at the time specified by the electricity supplier.

  • Page 5: Emergency Power Consumption

    TANK NOMINAL CAPACITY HEATING TIME FROM 10°C TO HEATING OF VOLUME HEATER 60°C (hours) FROM 15℃ TO 65℃ V TYPES kWh) OKC 80 OKC 100; OKC 100/1 OKC 125; OKC 125/1 OKC 160; OKC 160/1 OKC 180; OKC 180/1 10,6 OKC 200;...
  • Page 6 Technical description: OKC 80, OKC 100, OKC 125, OKC 160, OKC 180, OKC 200, OKC 100/1m , OKC 125/1m , OKC 160/1m , OKC 180/1m , OKC 200/1m ① 3/4" outer Figure 1 ② 1" outer ③ 3/4" inner - 6 -...
  • Page 7 OKC 80 OKC 100 OKC 125 OKC 160 OKC 180 OKC 200 TYPE OKC 100/1m OKC 125/1m OKC 160/1m OKC 180/1m OKC 200/1m 1067 1255 1187 1287 1058 1246 1176 1278 1001 -/438 -/498 -/828 -/886 -/889 *Distance from the upper heater's edge to the end of the water inlet and outlet tubes. Check the B and N dimensions before drilling.
  • Page 8 OKC 80 OKC 100 OKC 125 OKC 160 OKC 180 OKC 200 TYPE OKC 100/1 m OKC 125/1 m OKC 160/1 m OKC 180/1 m OKC 200/1 m VOLUME MAX OPERATING OVERPRESSURE IN THE TANK MAX MAXIMUM OPERATING OVERPRESSURE IN THE...

  • Page 9: 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 10: Plumbing Fixture

    Figure 2 2.3 PLUMBING FIXTURE Heaters are connected to plumbing fixtures as shown in (Figure 3, Figure 6). For potential disconnection of the heater, the service water inlets and outlets must be provided with screw coupling Js 3/4“. The safety valve is mounted on the cold water inlet identified with a blue ring.
  • Page 11 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 12: Electrical Installation

    2.4 ELECTRICAL INSTALLATION 2.4.1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION Perform the connection according to the scheme. Factory connection must not be changed! (Obrázek 5). In the electric wiring casing remove the partition corresponding with the input wire diameter of φ8 or φ10 (Figure 4).The degree of protection of electric parts of the heater is IP 44.

  • Page 13: Connection Of Indirect Heater To Hot Water System

    2.5 CONNECTION OF INDIRECT HEATER TO HOT WATER SYSTEM a) Water heating by electric energy After the heater is connected to electric network, the heating element starts heating water. The element is turned on and off by a thermostat. After reaching the temperature set, the thermostat switches off the electric circuit and thus discontinues water heating.

  • Page 14: First Commissioning

    Figure 6 2.6 FIRST COMMISSIONING After connecting the heater to the water supply, 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. Before opening the power supply, the tank must be filled with water.

  • Page 15: Putting Out Of Service, Discharge

    Procedure of putting the heater into operation: 1. Check both water and electric installation; for combined heaters, check also the installation to the hot water heating system. Check proper placement of thermostat sensors. The sensors must be inserted all the way in; first the thermostat and then the safety fuse. 2.

  • Page 16: 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 17: Most Frequent Function Failures And Their Causes

    2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES Other potential failures – Table 5. FAILURE SYMPTOM INDICATOR SOLUTION Water is cold • Light on • The temperature set on the thermostat is too low • • Light off Heating element failure •...

  • Page 18: Operation Of Thermostat

    3 OPERATION OF THERMOSTAT 3.1 SERVICING 3.1.1 OPERATING DEVICES OF THE HEATER Thermostat knob Electric circuit closing indicator lamp Tipping plastic guard Thermostat knob Electric circuit closing indicator lamp Figure 7 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.

  • Page 19: Important Notices

    lower limit of temp. scope (around 5°C) upper temperature range limit (about 74℃) fixed point on the control panel "anti-freezing" temperature "ideal" temperature (about (about 8°C) 60℃) Fixed mark control panel lower limit of temp. scope (around 5°C) "anti-freezing" temperature upper temperature range (about 8°C) limit (about 80℃)

  • Page 20: Disposal Of Packaging Material And Non-Functioning Product

    Before filling the heater with water for the first time, it is recommended to fasten the flange connection nuts of the tank. It is not allowed to handle the thermostat, aside from temperature resetting with a control button. All electric installation handling, adjustment and replacement of the regulation elements shall only be performed by an authorised service company.

This manual is also suitable for:

Okc 100/1 m2Okc 125/1 m2Okc 160Okc 160/1 m2Okc 180Okc 180/1 m2 ... Show all

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