Table of Contents
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OPERATING AND
INSTALLATION MANUAL
TANK-TYPE WATER HEATERS FOR
HORIZONTAL MOUNTING
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
OKCV 125
OKCV 160
OKCV 200
OKCEV 100
OKCEV 125
OKCEV 160
OKCEV 200
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Table of Contents
Related Manuals for Dražice OKCV 125
Summary of Contents for Dražice OKCV 125
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Page 1: Installation Manual
OPERATING AND INSTALLATION MANUAL TANK-TYPE WATER HEATERS FOR HORIZONTAL MOUNTING OKCEV 100 OKCV 125 OKCEV 125 OKCV 160 OKCEV 160 OKCV 200 OKCEV 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... -
Page 2: Table Of Contents
CONTENTS PRODUCT TECHNICAL SPECIFICATION ....................... 4 FUNCTION DESCRIPTION ........................4 1.1.1 OPERATING ACTIVITY......................... 4 ADVICE FOR CUSTOMERS ........................5 1.2.1 HOT WATER CONSUMPTION ..................... 5 1.2.2 ENERGY SAVING ......................... 5 1.2.3 EMERGENCY POWER CONSUMPTION ..................5 DESIGN AND GENERAL HEATER DIMENSIONS ................... 6 OPERATION AND FITTING INSTRUCTIONS .................... - 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.
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Page 4: Product Technical Specification
1 PRODUCT TECHNICAL SPECIFICATION 1.1 FUNCTION DESCRIPTION The heater is designed for accumulation heating of service water using electricity or thermal energy via an exchanger (for the combined design only). Water is heated by an electric element (or a heat exchanger) in an enamelled thermally insulated accumulator at the time defined by the power supplier. -
Page 5: Advice For Customers
TIME OF CONTENT CONSUMPTION FOR HEATER TYPE NOMINAL CAPACITY (L) HEATING (HOURS) HEATING THE VOLUME FROM 15 C TO 65 C (kWh) OKCEV 100 OKCV 125; OKCEV 125 OKCV 160; OKCEV 160 OKCV 200; OKCEV 200 Table 1 - 5 -... -
Page 6: Design And General Heater Dimensions
The heat exchanger is only intended for the heating circuit. Heater types OKCV 125-200 are produced in the right and left design. Dimensions of the heaters –Figure 1, Figure 2, Figure 3, Figure 4, Figure 5 and Table 3, Table 4, Table 5 OKCV 125 OKCV 160 OKCV 200 TYPE... - Page 7 TYPE OKCV 125 OKCV 160 OKCV 200 EXCHANGER HEAT TRANSFER 0,75 SURFACE RATED THERMAL OUTPUT AT 16800 16800 18000 HEATING WATER TEMPERATURE OF 80°C AND FLOW 720 l/h TIME OF HEATING BY EXCHANGER FROM 10°C TO 60°C RATED THERMAL OUTPUT AT...
- Page 8 OKCV 125, OKCV 160 – right design Figure 2 OKCV 125, OKCV 160 – left design Figure 3 TYPE OKCV 125 OKCV 160 1067 1255 1060 neck ¾“ inner ① Table 4 - 8 -...
- Page 9 OKCV 200 – right design Figure 4 OKCV 200 – left design Figure 5 TYPE OKCV 200 1287 neck ¾“ inner ① Table 5 - 9 -...
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Page 10: 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 power 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 11: Plumbing Fixture
2.3 PLUMBING FIXTURE Connection of heaters to plumbing fixtures is illustrated in Figure 6, Figure 7. 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 12 Heaters must be provided with a discharge valve mounted on the cold service water inlet to the heater for potential disassembly or repair. OKCV 125, OKCV 160, OKCV 200 O – deaerating valve U – closing valve P1 – safety valve with backflow flap P2 –...
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Page 13: Electrical Installation
2.4 ELECTRICAL INSTALLATION 2.4.1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION • The electric wiring scheme is attached to the water heater on the side of the electric installation guard (Figure 8). • Connection, repairs, and wiring inspections may only be implemented by a company (person) authorised to such activity. - Page 14 Figure 9 Figure 10 - 14 -...
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Page 15: First Commissioning
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 16: Inspection, Maintenance & Care For The Appliance
Drainage of utility water shall be performed after closing the shut-off valve in the cold water supply piping (through discharge valve safety valve combination), and with simultaneous opening of all hot water valves of connected fittings. Hot water may outflow during the drainage! If there is a risk of frost it has to be considered that not only the water in the hot water heater and in the hot water piping may get frozen but also the water in the entire cold water supply piping. -
Page 17: Most Frequent Function Failures And Their Causes
2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES Other possible defects – Table 7 FAILURE SYMPTOM INDICATOR SOLUTION Water is cold • Light on • The temperature set on the thermostat is too low • Heating element failure Water is cold •... -
Page 18: Operation Of Thermostat
Thermostat knob Electric circuit closing indicator lamp Tipping plastic guard Figure 11 Electrical installation covers for heaters OKCEV 100, OKCEV 125, OKCEV 160, OKCV 125, OKCV 160 Thermostat knob Electric circuit closing indicator lamp Figure 12 Thermostat and no other part of the control panel is not a bearing part which can be used for any handling with the heater. -
Page 19: Temperature Setting
3.1.2 TEMPERATURE SETTING Water temperature is set by turning the thermostat knob. The desired symbol is adjusted against the solid mark on the control panel. Lower limit of technical Upper limit of technical scope (around 5°C) scope (around 74°C) Fixed point on control panel Temperature to prevent Optimum temperature freezing (around 8°C) -
Page 20: Important Notices
4 IMPORTANT NOTICES 4.1 INSTALLATION REGULATIONS Without a confirmation of performed electrical installation issued by an authorised company, the warranty certificate shall be void. Check and exchange the Mg anode regularly. You have to apply for approval of a local power supplier to connect the heater. No stop valves can be put between the heater and the safety valve. -
Page 21: Transport & Storage Instructions
4.3 TRANSPORT & STORAGE INSTRUCTIONS The device shall be transported and stored in dry place and protected from weather effects with temperature range from -15 to +50°C. During loading and unloading the instructions stated on the packaging shall be observed. Due to the transport and thermal dilating, excessive enamel may fall of the heaters with exchangers on the tank bottom.
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