Drazice OKHE ONE/E 30 Operating And Installation Manual

Flat tank-type water heater for vertical mounting

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OPERATING AND

INSTALLATION MANUAL

FLAT TANK-TYPE WATER HEATER FOR

Družstevní závody Dražice-strojírna s.r.o.

Dražice 69, 294 71 Benátky nad Jizerou

tel.: +420 / 326 370 911

fax: +420 / 326 370 980

e-mail:

export@dzd.cz

VERTICAL MOUNTING

Electric water heaters

OKHE ONE/E 30

OKHE ONE/E 50

OKHE ONE/E 80

OKHE ONE/E100

OKHE ONE/E 120

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Page 1 OPERATING AND INSTALLATION MANUAL FLAT TANK-TYPE WATER HEATER FOR VERTICAL MOUNTING Electric water heaters OKHE ONE/E 30 OKHE ONE/E 50 OKHE ONE/E 80 OKHE ONE/E100 OKHE ONE/E 120 Družstevní závody Dražice-strojírna s.r.o. 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 ....................8 OPERATING CONDITIONS ........................
Page 3 CAREFULLY READ THIS MANUAL BEFORE INSTALLING THE WATER HEATER! Dear Customer, Družstevní závody Dražice - strojírna s.r.o., 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 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 enameled thermally insulated tank at the time defined by the power supplier.
Page 5 OKHE OKHE OKHE OKHE OKHE TYPE ONE/E 30 ONE/E 50 ONE/E 80 ONE/E 100 ONE/E 120 VOLUME MAX OPERATING OVERPRESSURE IN THE TANK ELECTRICAL CONNECTION 1/N/PE ~ 230V/50Hz RECOMMENDED BREAKER 10 A 16 A INPUT 1100 2000 EL. PROTECTION IP 44 MAX OPERATING TEMPERATURE OF HOT °C...
Page 6: Design And General Heater Dimensions
Description of basic parts of the heater - Figure 1. Heater dimensions - Figure 2. Figure 1 Enameled steel receptacle Heater shell Polyurethane insulation The heating element well, ceramic heating unit 2000 W, OKHE ONE/E 30 - 1100 W Thermostat sensor well and temperature indicator Mg anode Filling-in tube Electric installation cover Thermometer 10.
Page 7 OKHE ONE/E 30 - 120 Figure 2  3/4" outer OKHE ONE/E 30 OKHE ONE/E 50 OKHE ONE/E 80 OKHE ONE/E 100 OKHE ONE/E 120 1112 1327 1552 1135 1360 1150 Table 2 - 7 -...
Page 8: Operation And Fitting Instructions
2 OPERATION AND FITTING INSTRUCTIONS 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 9 (Figure Hinges (4 pcs) are included in package. Figure 3 Figure 4 OKHE ONE/E 30 OKHE ONE/E 50 OKHE ONE/E 80 OKHE ONE/E 100 OKHE ONE/E 120 1150 The ONE heater can also be installed in a horizontal position. Considering the laws of physics, its energetic performance drop will always occur due to deteriorated stratification of water.
Page 10: Plumbing Fixture
For proper operation in the horizontal position it is necessary to change the cold water input for hot water output and vice versa (swap of blue and red ring is recommended as well); at the same time it is necessary to remove PEX tube from the left (lower in the horizontal position) mouthpiece.
Page 11 ALLOWABLE MAXIMUM SAFETY VALVE OPERATING PRESSURE IN COLD START-UP OVERPRESSURE OF WATER PIPES PRESSURE [MPa] WATER HEATER [MPa] [MPa] up to 0.48 Table 3 Figure 6 Figure 7 - 11 -...
Page 12: Electrical Installation
Perform the connection according to the scheme. Factory connection must not be changed! (Figure 8). The degree of protection of electric parts of the heater is IP 44. The power input of electric element is 2.000 W (OKHE ONE/E 50 - 120), 1.100 W (OKHE ONE/E 30). Figure 8 It is necessary to observe the below requirements during the electric wiring.
Page 13: Operating Activity
OPERATING ACTIVITY After the heater is connected to the electric network, the heating element starts heating the water. An electronic thermostat is used to control the temperature and water heating. The thermostat control range is 0 °C to 77 °C. The temperature is indicated on the display. The thermostat displays the current measured temperature.
Page 14: Putting Out Of Service, Discharge
Procedure of putting the heater into operation: 1. Check the water main and wiring. Check proper placement of operating and safety thermostat sensors. The sensors must be inserted all the way in; first the operating and then the safety thermostat. 2.
Page 15 Attention! In doing so, the cold water supply pipe and the connection fitting of the tank may get heated! If the hot water heater does not work, or if hot water is not withdrawn, no water shall drip off the safety valve. If water drips, then the water pressure in the supply piping is either too high (if higher than 4.8 bars, a pressure control valve has to be fitted), or the safety valve is defective.
Page 16: Most Frequent Function Failures And Their Causes
MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES FAILURE SYMPTOM INDICATOR SOLUTION • The temperature set on the thermostat is too low • Light on Water is cold • Heating element failure • No supply voltage! • Thermostat failure - When the temperature sensor is broken, the display show flashing fault •...
Page 17: Operation Of Thermostat
3 OPERATION OF THERMOSTAT OPERATING DEVICES OF THE HEATER Electrical installation cover for heaters: OKHE ONE/E 30, OKHE ONE/E 50, OKHE ONE/E 80, OKHE ONE/E 100, OKHE ONE/E 120 Temperature indicator Thermostat button Indicator switch electrical circuit Figure 9 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 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
DISPOSAL PACKAGING MATERIAL NON- FUNCTIONING PRODUCT A service fee for providing return and recovery of packaging material has been paid for the packaging in which the water heater was delivered. 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:

Okhe one/e 50 Okhe one/e 80 Okhe one/e100 Okhe one/e 120

Drazice OKHE ONE/E 30 Operating And Installation Manual

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