Drazice OKCE 125 2/6 kW Operating And Installation Manual

Tank-type electric water heater for vertical mounting

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OPERATING AND
INSTALLATION MANUAL
TANK-TYPE WATER HEATER FOR VERTICAL
Družstevní závody Dražice-strojírna s.r.o.
(Works Cooperative - Dražice - Machine Plant, Ltd.)
Dražice 69, 294 71 Benátky nad Jizerou
tel.: +420 / 326 370 911
fax: +420 / 326 370 980
e-mail:
export@dzd.cz
MOUNTING
Electric water heaters
OKCE 125 2/6 kW
OKCE 160 2/6 kW
OKCE 200 2/6 kW

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Summary of Contents for Drazice OKCE 125 2/6 kW

  • Page 1 OPERATING AND INSTALLATION MANUAL TANK-TYPE WATER HEATER FOR VERTICAL MOUNTING Electric water heaters OKCE 125 2/6 kW OKCE 160 2/6 kW OKCE 200 2/6 kW Družstevní závody Dražice-strojírna s.r.o. (Works Cooperative - Dražice - Machine Plant, Ltd.) Dražice 69, 294 71 Benátky nad Jizerou tel.: +420 / 326 370 911...
  • 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 ..................4 DESIGN AND GENERAL HEATER DIMENSIONS ................... 6 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 Tank type water heater (the heater hereinafter) is designed for the accumulation heating of service water by electric energy. Water is heated by an electric element in an enamelled thermally insulated tank. The element is at the time of heating controlled by a thermostat the temperature of which can be adjusted continuously (within the range between 5 °C and 75 °C).Once the selected temperature is reached, heating interrupts automatically.
  • Page 5 TYPE OKCE 125 2/6 kW OKCE 160 2/6 kW OKCE 200 2/6 kW VOLUME MAX WEIGHT OF THE HEATER WITHOUT WATER MAX OPERATING OVERPRESSURE IN THE TANK ELECTRICAL CONNECTION 3/N/PE ~ 400V/50Hz RECOMMENDED BREAKER 3x16 A INPUT 2000 / 6000 EL.
  • Page 6: Design And General Heater Dimensions

    1.3 DESIGN AND GENERAL HEATER DIMENSIONS The heater tanks are made of a steel plate and tested by 1.5 MPa multiple of operation pressure value. The inside of the receptacle is enamelled. A flange is welded onto the bottom of the tank with a flange lid screwed to it.
  • Page 7 OKCE 125 2/6 kW, 160 2/6 kW Figure 2  3/4" outer OKCE 125 2/6 kW OKCE 160 2/6 kW 1067 1255 1000 Table 2 - 7 -...
  • Page 8 OKCE 200 2/6 kW Figure 3  3/4" outer OKCE 200 2/6 kW 1290 Table 3 - 8 -...
  • 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 nameplate and in this manual. Besides the legally acknowledged national regulations and standards, also conditions for the 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 4 Universal suspension Use of suspension even to screw spacing if heater is substituted for another type. Proper verticality of heater can be adjusted once the connecting screws are loosened by slight turning of the suspension. Figure 5 If the hot water heater is mounted in a tight, smaller space, or in an intermediate ceiling, etc., you have to make sure that the connecting side of the appliance (connections to water supply, area for electric plugging) remained accessible and no heat accumulation occurs.
  • Page 11 The heater must be equipped with a membrane, spring-loaded safety valve. Safety valves with fixed pressure settings from the manufacturer are used for the assembly. Each individually lockable heater must be fitted with a cap on the cold water inlet, a test valve or a stopper to check the operation of the check valve, with a drain valve, a check valve and a safety valve (Figure 6).
  • Page 12: Electrical Installation

    Figure 7 2.4 ELECTRICAL INSTALLATION 2.4.1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION Execute the connection as indicated in the wiring diagram. Factory connection must not be changed! (Figure 9). In the electric wiring cabinet remove the partition corresponding with the input wire diameter of Ø8 or Ø10 (Figure 8).
  • Page 13 It is necessary to observe the below requirements during the electric wiring. • The wiring diagram is also attached to the heater on the side of the electrical installation guard (Figure 9). • The electrical installation may only be connected, repaired and inspected by a person authorised to perform that activity.
  • Page 14: Operation

    2.5 OPERATION • Basic heating, at an output of 2 kW/240 V/8.5 A - 1 phase - controlled by thermostat Te1. The temperature can be set using the panel on the heaters in the range of approx. 5 °C to approx. 75 °C by setting the temperature on the thermostat Te2.
  • Page 15: First Commissioning

    2.6 FIRST COMMISSIONING 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. Both the hot water outlet pipe and safety armature parts may be hot. During the heating up process the water that increases its volume during the heating must visibly drip off the safety valve.
  • Page 16: Inspection, Maintenance & Care For The Appliance

    Drainage of service water shall be performed after closing the shut-off valve in the cold water supply piping (through the discharge valve for a combination of safety valves) and with simultaneous opening of all hot water valves of connected fittings (water can be also drained through the safety valve.
  • Page 17: Most Frequent Function Failures And Their Causes

    We recommend checking and cleaning the tank from lime scale and eventual replacement of the anode rod after two years of operation. The anode life is theoretically calculated for two years of operation; however, it changes with water hardness and chemical composition in the place of use.
  • Page 18: Operation Of Thermostat

    3 OPERATION OF THERMOSTAT 3.1 OPERATING DEVICES OF THE HEATER Electrical installation cover for OKCE 125 2/6 kW, OKCE 160 2/6 kW heaters Indicator of switching: 1/ of el. circuit 2 - blue colour 2/of el. fast heating circuit - red colour...
  • Page 19: Temperature Setting

    Thermostat and no other part of the control panel is not a bearing part which can be used for any handling with the heater. 3.1.1 TEMPERATURE SETTING Water temperature is set by turning the thermostat knob. The required symbol is adjusted against the fixed point on the control panel (Figure 12, Figure 13).
  • Page 20: Important Notices

    4 IMPORTANT NOTICES 4.1 INSTALLATION REGULATIONS Without a confirmation of performed electrical installation issued by an authorized company, the warranty certificate shall be void. Check and exchange the Mg anode regularly. Please make sure that for the connection of your heater you don't need an approval of the local electricity supplier.
  • Page 21: Disposal Of Packaging Material And Non-Functioning Product

    4.3 DISPOSAL OF PACKAGING MATERIAL AND NON- FUNCTIONING PRODUCT The packaging that the product was delivered in has been paid for in form of a service fee for the provision of the return and recovery. The service fee was paid pursuant to Act No 477/2001 Coll., as amended, at EKO-KOM a.s. The client number of the company is F06020274.

This manual is also suitable for:

Okce 160 2/6 kwOkce 200 2/6 kw

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