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Summary of Contents for Drazice OKCE 125 -2/6 kW
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Page 1: Installation Manual
OPERATING AND INSTALLATION MANUAL TANK-TYPE WATER HEATER FOR VERTICAL MOUNTING Electric water heaters OKCE 125 -2/6 kW OKCE 160 -2/6 kW 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: export@dzd.cz... -
Page 2: Table Of Contents
CONTENTS PRODUCT TECHNICAL SPECIFICATION ....................... 3 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 ....................8 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. The present instructions will introduce you to the use, construction, maintenance and other information regarding electrical water tanks.
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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 80°C).Once the selected temperature is reached, heating interrupts automatically. - Page 5 TYPE OKCE 125 - 2/6 kW OKCE 160 - 2/6 kW VOLUME MAX OPERATING OVERPRESSURE IN THE TANK ELECTRICAL CONNECTION 3/N/PE ~ 400V/50Hz RECOMMENDED BREAKER 3x16 A INPUT 2200 / 6600 EL. PROTECTION IP 44 MAX OPERATING TEMPERATURE °C IN THE TANK RECOMMENDED HOT WATER (HW) °C TEMPERATURE...
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Page 6: Design And General Heater Dimensions
1.3 DESIGN AND GENERAL HEATER DIMENSIONS The heater tank is made of a steel plate and tested at 0.9 MPa overpressure. The inside of the receptacle is enamelled. A flange is welded onto the bottom of the tank with a flange lid screwed to it. A sealing ring is inserted between the flange lid and the flange. - Page 7 Technical description: 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 -...
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Page 8: 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 9: Plumbing Fixture
Figure 3 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 4 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 10 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 5).
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Page 11: Electrical Installation
Figure 6 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 8). In the electric wiring cabinet remove the partition corresponding with the input wire diameter of Ø8 or Ø10 (Figure 7). - Page 12 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 8). • The electrical installation may only be connected, repaired and inspected by a person authorised to perform that activity.
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Page 13: Operation
2.5 OPERATION • Basic heating, at an output of 2.2 kW/240 V/9.5 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 14: 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 15: 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 16: 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 17: 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 2.2kW - blue colour 2/of el. fast heating circuit - red colour Thermostat knob Fast heating activation button Figure 9... -
Page 18: Important Notices
Adjusting the thermostat knob to the left backstop does not mean permanent shutoff of the heating element. When the heater is in use without blocking the daily rate, we do not recommend the temperature to be set above 55°C. Select the "OPTIMUM" symbol as the maximum. -
Page 19: 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.
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