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OPERATING AND
INSTALLATION MANUAL
STATIONARY ELECTRIC WATER HEATERS
OKCE 100 S/2.2 kW
OKCE 125 S/2.2 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: prodej@dzd.cz
OKCE 160 S
OKCE 200 S
OKCE 250 S
OKCE 300 S
OKCE 400 S
OKCE 500 S
OKCE 750 S
OKCE 1000 S
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Summary of Contents for Dražice OKCE 100 S
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Page 1: Installation Manual
OPERATING AND INSTALLATION MANUAL STATIONARY ELECTRIC WATER HEATERS OKCE 100 S/2.2 kW OKCE 160 S OKCE 300 S OKCE 125 S/2.2 kW OKCE 200 S OKCE 400 S OKCE 250 S OKCE 500 S OKCE 750 S OKCE 1000 S Družstevní... -
Page 2: Table Of Contents
OPERATING CONDITIONS ........................ 10 ELECTRICAL INSTALLATION ......................10 2.2.1 WIRING FOR: OKCE 100 S/2.2 kW; OKCE 125 S/2.2 kW; ............10 2.2.2 WIRING FOR: OKCE 160 S, OKCE 200 S, OKCE 250 S, OKCE 300 S, OKCE 400 S, OKCE 500 S.. 11 2.2.3... - 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 OKCE S line water heaters use only electricity for heating. Their nominal performance provides sufficient amount of hot water for flat units, premises, restaurants, and similar establishments. 1.2 PRODUCT DESCRIPTION OKCE 100-125 S/2,2kW The heater tank is welded from a steel sheet;... -
Page 5: Design And General Heater Dimensions
The tank is insulated with 50 mm of polyurethane foam. The heaters include thermal insulation. 1.3 DESIGN AND GENERAL HEATER DIMENSIONS OKCE 100 S/2.2 kW; OKCE 125 S/2.2 kW Figure 1 OKCE 100 S/2,2 kW OKCE 125 S/2,2 kW ①... - Page 6 OKCE 160 S OKCE 160 S 1047 ① 3/4" outer ② 3/4" inner Figure 2 OKCE 200 S, OKCE 250 S Figure 3 OKCE 200 S OKCE 250 S 1357 1537 ① 3/4" outer ② 3/4" inner 6/4" inner ③ 1059 1279 1459...
- Page 7 OKCE 300 S ① 3/4" outer ② 3/4" inner ③ 6/4" inner 1578 Figure 4 OKCE 400 S, OKCE 500 S ① 1" outer ② 3/4" inner 1/2" inner ③ ④ 6/4" inner OKCE 400S OKCE 500 S 1920 1924 1194 1264 1289...
- Page 8 OKCE 750 S, OKCE 1000 S ① 2" outer ② 5/4" inner ③ 1/2" inner ④ 5/4" outer Figure 6 OKCE 750S OKCE 1000 S 2030 2050 1030 1130 1010 1147 1155 1893 1910 1477 1642 1650 - 8 -...
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Page 9: Technical Parameters
1.4 TECHNICAL PARAMETERS OKCE 100 OKCE 125 MODEL OKCE 160 S OKCE 200 S OKCE 250 S S/2,2kW S/2.2 kW VOLUME [l] WEIGHT [kg] MAXIMUM TANK PRESSURE [MPa] MAX WARM WATER TEMPERATURE [°C] HEATING PERIOD According to TPK type (accessory) Z 10°C –... -
Page 10: Operation And Fitting Instructions
2.2 ELECTRICAL INSTALLATION 2.2.1 WIRING FOR: OKCE 100 S/2.2 KW; OKCE 125 S/2.2 KW Perform the connection according to the scheme. Factory connection must not be changed! (Figure 8). In the electric wiring casing remove the partition corresponding with the input wire diameter of φ8 nebo φ10 (Figure 7). -
Page 11: Wiring For: Okce 160 S, Okce 200 S, Okce 250 S, Okce 300 S, Okce 400 S, Okce 500 S
Wiring diagram: Figure 8 2.2.2 WIRING FOR: OKCE 160 S, OKCE 200 S, OKCE 250 S, OKCE 300 S, OKCE 400 S, OKCE 500 S Water heaters must be equipped with a universal electric heating unit with either set or adjustable heating element performance. - Page 12 After the heater is connected to electric network, the heating element starts heating water. The element is turned on and off by a thermostat. Thermostat can be set as per your need within the range from 5°C to 74°C. We recommend setting service water to maximum temperature of 60°C. This temperature ensures an optimal operation of the heater, reduces heat losses and saves electricity.
- Page 13 OKCE 300 S, OKCE 400 S, OKCE 500 S Wiring scheme TPK 210-12/5-9 kW Heating unit 2.2 kW TPK 210-12/8-12 kW Figure 11 Figure 12 Wiring scheme Heating unit 3-6 kW The 3-6 kW heating unit allows 4 types of connection based on either required time of heating or possibilities of electric network in the place of use.
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Page 14: Wiring Solely For: Okce 300 S, Okce 400 S, Okce 500 S, Okce 750 S, Okce 1000 S
Heating unit: TPK 210-12/5-9 kW TPK 210-12/8-12 kW TPK 5-9 kW R ~ 1 kW TPK 8-12 kW R ~ 1,33 kW TPK 5-9 kW 5 kW 3 PE - N AC 400 V / 50 Hz 7 kW 3 PE - N AC 400 V / 50 Hz 9 kW 3 PE - N AC 400 V / 50 Hz TPK 8-12 kW... - Page 15 Electrical heating units REU, RDU, RDW and RSW can be by reduction flange 210/150 mounted in heaters with 300,400 and 500 litre volume. Electrical heating units REU, RDU, RDW and RSW can be by reduction flange 225/150 mounted in heaters with 750 and 1000 litre volume.
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Page 16: Plumbing Fixture
2.2.4 PLUMBING FIXTURE Power water connects to pipes with ¾“ thread in the bottom part of the heater. Blue - cold water supply, red – hot water outlet. 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 17: Further Information
Heaters must be provided with a discharge valve mounted on the cold service water inlet to the heater for potential disassembly or repair. When assembling the security equipment, follow the standard. ALLOWABLE SAFETY VALVE MAXIMUM OPERATING START-UP PRESSURE IN OVERPRESSUR PRESSURE COLD WATER E OF WATER... -
Page 18: Heater Cleaning And Anode Rod Exchange
Figure 17 2.5 HEATER CLEANING AND ANODE ROD EXCHANGE Repetitive water heating causes limestone sediment on both the enamelled tank walls and chiefly the flange lid. Lime scale settling depends on hardness of heated water, its temperature and on the volume of hot water used. -
Page 19: Spare Parts
To prevent the occurrence of bacteria (e.g. Legionella pneumophila) within stack heating it is recommended, if absolutely necessary, to increase the temperature of hot service water (HSW) periodically for a transitional period of time to at least 70 ℃ to make use of another way of disinfecting HSW. 2.6 SPARE PARTS - flange lid - flange lid seal... -
Page 20: Temperature Setting
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 (Figure 19). Upper limit of temperature Optimum temperature scope (around 80°C) (around 55°C) Lower limit of temperature scope (around 5°C) Antifreeze temperature Fixed point on control... -
Page 21: Important Notices
Do not attempt to repair the failure yourselves. Seek either expert or service help. It does not take much for an expert to remove the defect. When making a repair appointment, report the type and serial number you find on the performance plate of your water heater. 4 IMPORTANT NOTICES 4.1 INSTALLATION REGULATIONS Without a proof issued by a professional company about performed electrical and plumbing... -
Page 22: Transport & Storage Instructions
4.2 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. -
Page 23: Assembly Guide For Zip-Fastener Insulation
5 ASSEMBLY GUIDE FOR ZIP-FASTENER INSULATION (Only concerns heaters with the capacity of 750 and 1,000 litres) Two people are enough to implement the insulation assembly; three people are required for larger boilers; the assembly must be implemented in areas with the temperature of at least 18°C. If the insulation includes tank bottom insulation, the latter must be mounted first.
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