Table of Contents
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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
Phone.: +420 /326 370 990
Fax: +420 / 326 370 980
prodej@dzd.cz
e-mail:
VERTICAL MOUNTING
Electric water heaters
OKHE ONE 30
OKHE ONE 50
OKHE ONE 80
OKHE ONE 100
OKHE ONE 120
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Summary of Contents for Drazice OKHE ONE 30
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Page 1: Installation Manual
OPERATING AND INSTALLATION MANUAL FLAT TANK-TYPE WATER HEATER FOR VERTICAL MOUNTING Electric water heaters OKHE ONE 30 OKHE ONE 50 OKHE ONE 80 OKHE ONE 100 OKHE ONE 120 Družstevní závody Dražice - strojírna s.r.o. Dražice 69, 294 71 Benátky nad Jizerou Phone.: +420 /326 370 990... -
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 PRIOR TO THE INSTALLATION OF THE TANK, READ CAREFULLY THIS MANUAL! 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 The heater is designed for accumulation heating of service water using electricity. Water is heated by an electric element in an enamelled thermally insulated tank at the time defined by the power supplier. At the time of the heating, the element is controlled by thermostat on which the desired temperature can be set (ranging from 5 to 74℃). -
Page 5: Okhe One
OKHE ONE OKHE ONE OKHE ONE OKHE ONE OKHE ONE TYPE 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 WATER (HW) RECOMMENDED HOT... -
Page 6: Design And General Heater Dimensions
- Figure 2. 1. Enamelled steel receptacle 2. Heater shell 3. Polyurethane insulation 4. The heating element well, ceramic heating unit 2000W, OKHE ONE 30 – 1100W 5. Thermostat sensor well and temperature indicator 6. Mg anode 7. Filling-in tube 8. -
Page 7: Okhe One
Technical description: OKHE ONE 30 - 120 3/4" outer Figure 2 OKHE ONE OKHE ONE OKHE ONE OKHE ONE OKHE ONE 1112 1327 1552 1135 1360 1150 Table 2 - 7 -... -
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 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: Plumbing Fixture
180 mm OKHE ONE 30 OKHE ONE 50 OKHE ONE 80 OKHE ONE 100 OKHE ONE 120 1150 Figure 3 2.3 PLUMBING FIXTURE Power water connects to pipes with ¾“ thread in the bottom part of the heater. Blue - cold water supply, red –... - Page 10 valve outlet pipe.In common operation, such a check needs to be implemented at least once a month, and after each heater shutdown for more than 5 days. Water may be dripping off the drain pipe of the safety valve; the pipe must be open into the air, pointed down; environment temperatures must not drop below zero.
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Page 11: Electrical Installation
In the electric wiring casing remove the partition corresponding with the input wire diameter of φ8 or φ10 (fig.6). The degree of protection of electric parts of the heater is IP 44. Power input of electric element is 2000W (OKHE ONE 50-120), 1100W (OKHE ONE 30). Ø8 Ø10... -
Page 12: Operation
Figure 7 2.5 OPERATION After the heater is connected to electric network, the heating element starts heating water. The element is turned on and off by a thermostat. After reaching the temperature set, the thermostat switches off the electric circuit and discontinues water heating. The control light signals if the element is in operation (light is on) or if it is off (the light goes out). -
Page 13: 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 14: Inspection, Maintenance & Care For The Appliance
2.8 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE During the heating process the water that increases its volume during the heating must visibly drip off the safety valve outlet (in non-pressurised connection this water drips off the combination faucet valve). In full heating (about 74°C) the volumetric water gain is approx. 3.5 % of the tank capacity. -
Page 15: Most Frequent Function Failures And Their Causes
3 OPERATION OF THERMOSTAT 3.1 OPERATING DEVICES OF THE HEATER Electrical installation cover for heaters: OKHE ONE 30, OKHE ONE 50, OKHE ONE 80, OKHE ONE 100, OKHE ONE 120 Temeprature indicator Thermostat button Figure 8... -
Page 16: Temperature Setting
Thermostat and no other part of the control panel is not a bearing part which can be used for any handling with the heater. 3.1.1 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 9). -
Page 17: Transport & Storage Instructions
It is not allowed to handle the thermostat, aside from temperature resetting with a control button. All electric installation handling, adjustment and replacement of the regulation elements shall only be performed by an authorised service company. The thermal fuse must not be turned off! In case of thermostat defect, the thermal fuse interrupts electric power input to the heating element if the water temperature in the heater exceeds 90 °C.
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