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OPERATING AND

INSTALLATION MANUAL

COMBINED WATER HEATERS AND TANKS

FOR VERTICAL ASSEMBLY

Tank-type water heaters

OKC 80

OKC 160

OKC 100

OKC 200

OKC 125

Hot water tanks

OKC 100/1 m

OKC 160/1 m

OKC 125/1 m

OKC 200/1 m

Družstevní závody Dražice

strojírna s.r.o.

(Works Cooperative

Dražice

Machine Plant, Ltd.)

Dražice 69, 294 71 Benátky nad Jizerou

tel.: +420 / 326 370 911

fax: +420 / 326 370 980

mail:

[email protected]

Содержание OKC 100 NTR/HV

Страница 1: ...ter heaters OKC 80 OKC 160 OKC 100 OKC 200 OKC 125 Hot water tanks OKC 100 1 m2 OKC 160 1 m2 OKC 125 1 m2 OKC 200 1 m2 Družstevní závody Dražice strojírna s r o Works Cooperative Dražice Machine Plant Ltd Dražice 69 294 71 Benátky nad Jizerou tel 420 326 370 911 fax 420 326 370 980 e mail export dzd cz ...

Страница 2: ...NSTALLATION 15 2 4 1 GENERAL INFORMATION FOR ELECTRICAL INSTALLATION 15 2 5 OPERATION 16 2 6 FIRST COMMISSIONING 16 2 7 PUTTING OUT OF SERVICE DISCHARGE 17 2 8 INSPECTION MAINTENANCE CARE FOR THE APPLIANCE 18 2 9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES 18 3 OPERATION OF THERMOSTAT 20 3 1 SERVICING 20 3 1 1 OPERATING DEVICES OF THE HEATER 20 3 1 2 TEMPERATURE SETTING 21 4 IMPORTANT NOTICES...

Страница 3: ...ponsible person or unless properly instructed by such responsible person The manufacturer reserves the right for engineering modification of the product The product is designed for permanent contact with drinkable water It is recommended to use the product in indoor environment with air temperatures from 2 C to 45 C and a relative humidity up to 80 Product s reliability and safety is proven by tes...

Страница 4: ...R CUSTOMERS 1 2 1 HOT WATER CONSUMPTION Consumption of hot water in households depends on the number of people amount of sanitary equipment length diameter and insulation of piping in the flat or on individual habits of users The cheapest option of water heating comes at the time when the electricity rate is reduced Find out in what time intervals your electricity supplier provides reduced tariff ...

Страница 5: ...de of the tank is enamelled A flange is welded onto the bottom of the tank with a flange lid screwed to it A sealing ring is inserted between the flange lid and the flange Thermowells for placing a heating element and sensors of regulation thermostat and safety fuse are located in the flange lid An anode rod is mounted onto the M8 nut The water reservoir is insulated by means of polyurethane foam ...

Страница 6: ... 6 OKC 80 OKC 100 OKC 125 Upper suspension detent support rectifying screw Figure 1 OKC 160 Upper suspension lower suspension Figure 2 3 4 outer 3 4 outer ...

Страница 7: ... 7 OKC 200 Upper suspension lower suspension Figure 3 OKC 100 1m2 OKC 125 1m2 Upper suspension detent support rectifying screw Figure 4 3 4 outer 3 4 outer 1 outer 3 4 inner ...

Страница 8: ... 8 OKC 160 1m2 Upper suspension lower suspension Figure 5 OKC 200 1m2 Upper suspension lower suspension Figure 6 3 4 outer 1 outer 3 4 inner 3 4 outer 1 outer 3 4 inner ...

Страница 9: ...m2 OKC 160 OKC 160 1m2 OKC 200 OKC 200 1m2 A 757 902 1067 1255 1290 B 612 612 612 612 655 C 70 70 70 70 70 D 524 524 524 524 584 E 605 755 622 755 789 995 991 790 784 F 460 610 478 610 645 720 815 600 G 550 550 830 889 H 142 137 270 302 268 250 254 490 496 I 211 211 263 211 263 211 263 239 J 501 651 703 651 703 651 703 679 K 172 172 172 172 172 R 450 450 450 450 450 ...

Страница 10: ...OM 10 C TO 60 C hrs 2 0 2 5 3 2 3 9 5 2 TYPE OKC 80 OKC 100 OKC 125 OKC 160 OKC 200 EXCHANGER HEAT TRANSFER SURFACE m2 0 41 0 68 0 68 0 68 0 68 HEATING TIME BY EXCHANGER FROM 10 C TO 60 C AT FLOW 720 l h min 32 23 28 35 45 RATED THERMAL OUTPUT AT HEATING WATER TEMPERATURE 80 C AND FLOW 310 l h W 6000 9000 9000 9000 9000 HEATING TIME BY EXCHANGER FROM 10 C TO 60 C AT FLOW 310 l h min 50 48 55 67 86...

Страница 11: ...mon decalcifying device was installed with the appliance or the thermostat to be set to the minimum operation temperature of 60 C setting to position ECO or OPTIMUM Figure 15 Figure 16 For proper operation drinkable water of adequate quality shall be used To avoid potential sediments we recommend that the device was installed together with a water filter 2 2 WALL MOUNTING Prior to the mounting che...

Страница 12: ...om the bottom edge of the heater has to be available under the heater When mounted directly under the ceiling the distance from the ceiling has to be 50 mm at least Free space of up to 500 mm from the bottom edge of the heater has to be available under the heater If the water heater is mounted in enclosed areas inter ceilings built in structures and recesses ensure sufficient access to service fit...

Страница 13: ...ting it into operation It is checked by manual moving of the membrane from the seat turning the make and break device button always in the direction of the arrow After being turned the button must click back into a notch Proper function of the make and break device results in water draining through the safety valve outlet pipe In common operation such a check needs to be implemented at least once ...

Страница 14: ...ommended to install stop valves on the heating water inlet and outlet for possible dismantling of the heater The valves have to be as close to the heater as possible to avoid higher thermal losses Figure 9 Figure 10 ...

Страница 15: ...rised to perform that activity Expert connection must be confirmed on the warranty certificate The heater is connected to the 230 V 50 Hz electricity supply using a fixed moving conductor with a switch that turns off all network poles and the circuit breaker protector In the OKC 80 125 and OKC 100 125 1m2 heaters after wall mounting and adjusting the distance from the wall by M8x80 rectifying scre...

Страница 16: ...eat exchanger Closing valves of the heat exchanger must be opened which ensures heating water flow from the hot water heating system Together with the 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 as needed in particular before the beginning of the heating season Figure 9 The time it takes to heat up using the...

Страница 17: ...let valves or de aerate the exchanger 8 When commencing operation flush the heater until the cloudiness in the water is gone 9 Make sure to fill in properly the warranty certificate 2 7 PUTTING OUT OF SERVICE DISCHARGE If the hot water heater is put out of service for a longer time or if it is not going to be used it has to be drained and disconnected from the electric supply network on all poles ...

Страница 18: ...amel which must not get in contact with the scale removing agent do not work with a lime pump Remove the lime layer with a timber and suck it off or wipe it off with a clout After that the appliance must be rinsed thoroughly and the heating process is checked the same as during the initial putting in operation Do not use any abrasive cleaning agents such as liquid sand chemicals acid alkaline or d...

Страница 19: ... enough Light on failure of one of the coils in the element contains 2 Temperature of water is not corresponding with the set value Defective thermostat Water is constantly dripping off the safety valve Light off high input pressure defective safety valve Table 5 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 def...

Страница 20: ...nstallation cover for heaters OKC 80 OKC 100 OKC 125 OKC 160 OKC 100 1m2 OKC 125 1m2 OKC 160 1m2 Figure 14 Thermostat and no other part of the control panel is not a bearing part which can be used for any handling with the heater Tipping plastic guard Electric circuit closing indicator lamp Thermostat knob Thermostat knob Electric circuit closing indicator lamp ...

Страница 21: ...use without blocking the daily rate we do not recommend the temperature to be set above 60 C Select the ECO or OPTIMUM symbol as the maximum Figure 15 Figure 16 Lower limit of temp scope around 5 C Fixed point on the control panel Anti freezing temperature about 8 C Upper temperature range limit about 74 C Ideal temperature about 60 C Fixed mark on the control panel Upper temperature range limit a...

Страница 22: ... heater exceeds 90 C As an exception the thermal fuse may also switch off due to water overheating caused by overheating the hot water heating system boiler We recommend you operate the heater with one type of energy If you don t use the heater hot water tank for longer than 24 hours or if the facility with heater is unattended close the cold water inlet to the heater The heater hot water tank sha...

Страница 23: ...sposal place determined by the town When the operation terminates disassemble and transport the discarded and unserviceable heater to a waste recycling centre collecting yard or contact the manufacturer 5 PRODUCT ACCESSORIES The product is supplied with a safety valve 2 4 fastening screws M 12x30 2 4 washers Ø 13 13 hinges consoles a thermometer rectifying spacer screw M8 fan shaped washer Ø 8 4 2...

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