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Summary of Contents for Dražice OKCE 100 NTR/2,2kW
- Page 1 OPERATING AND INSTALLATION MANUAL STATIONARY WATER HEATERS OKCE 100 NTR/2,2kW OKCE 125 NTR/2,2kW Družstevní závody Dražice-strojírna s.r.o. (Works Cooperative - Dražice – Machine Plant, Ltd.) Dražice 69 294 71 Benátky nad Jizerou Tel.: 326 370 911, Fax: 326 370 980 www.dzd.cz...
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Page 2: Table Of Contents
Read carefully the below instructions prior to the installation of the heater! Data sheet pursuant to Directive No 442/2004 Coll. and Annex No 7 Electricity Time of Energy consumption for Heat losses Nominal content Heat losses Heater types efficiency heating of volume ((Wh/24hr)/l) capacity (l) heating... -
Page 3: Product Description
PRODUCT DESCRIPTION The heater tank is welded from a steel sheet; the exchangers from a steel tube and, as a unit, it is entirely coated with hot water resistant enamel. A flange is welded onto the upper bottom of the receptacle with a flange lid screwed to it. -
Page 4: Putting The Heater Into Operation
Service water heating via thermal energy through heat exchanger Closing valves of the heat exchanger must be opened which ensures heating water flow from the hot water heating system. Together with a closing valve, it is recommended to install an air outlet valve at the inlet to the heat exchanger in order to bleed the heat exchanger (Fig. - Page 5 Temperature setting Water temperature is set by turning the thermostat knob. The desired symbol is adjusted against the fixed point on the control panel. Lower temperature range Upper temperature range limit (about 5°C) limit (about 74°C) Fixed point on the control panel Anti-freezing temperature ”Ideal”...
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Page 6: Technical Parameters
TECHNICAL PARAMETERS OKCE 100 NTR/2,2 kW, OKCE 125 NTR/2,2 kW Cold water inlet Hot utility water outlet OKCE 100 NTR/2,2 kW OKCE 125 NTR/2,2 kW 1046... -
Page 7: Plumbing Fixture
PLUMBING FIXTURE Connection of heaters to plumbing fixtures is illustrated on Figures 1 and 2. For potential disconnection of the heater, the service water inlets and outlets must be provided with screw coupling Js 3/4“. Safety valve is mounted on the cold water inlet identified with a blue ring. Each hot service water pressure heater must have a membrane spring loaded with a safety valve. -
Page 8: Technical Data Chart
TECHNICAL DATA CHART OKCE 100 NTR/2,2 kW OKCE 125 NTR/2,2 kW Capacity Maximum weight of the heater Maximum operating pressure in the tank Maximum operating overpressure in the exchanger Maximum rating water temperature °C Maximum temperature of HSW* °C Lower exchanger heat delivery surface 1,45 Bottom/top exchnger output at rating water temperature of 80°C and flow 720 l/h... -
Page 9: Examples Of Heaters Connection
EXAMPLES OF HEATERS CONNECTION Connecting a heater to a heating circuit The heater is placed on the ground, next to the heating source, or in its vicinity. The heating circuit is connected to marked inputs and outputs of the heater exchanger; the deaerating valve is mounted in the highest place. It is necessary to install a filter into the circuit in order to protect the pumps, the three-way valve, and backflow flaps, and the exchanger from sedimentation. -
Page 10: Spare Parts
SPARE PARTS - Flange lid - flange lid seal - insulation flange lid - thermostat and thermal fuse - Magnesium anode - control button for the thermostat - control lights with wires - capillary thermometer - set of M12 (or M10) bolts When ordering spare parts, give part name, type, and type number from the heater label. -
Page 11: Installation Regulations
INSTALLATION REGULATIONS Regulations and instructions that must be obeyed during heater assembly: a) to the heating system ČSN 06 0310 – Thermal systems in buildings – Designing and Installation ČSN 06 0830 – Thermal systems in buildings – Protecting devices b) to the electrical network ČSN 33 2180 - Connecting of electric devices and appliances ČSN 33 2000-4-41 - Low voltage electric installations Protective measures to ensure safety –...
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