Dražice OKC 100 NTR Operation And Installation Manual Download

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OPERATION AND

INSTALLATION MANUAL

TANK-TYPE WATER HEATERS FOR VERTICAL

MOUNTING

Kombinované Elektrické

OKC 80

OKCE 50

OKC 100

OKC 100/1 m

OKCE 80

OKC 125

OKC 125/1 m

OKCE 100

OKC 160

OKC 160/1 m

OKCE 125

OKC 180

OKC 180/1 m

OKCE 160

OKC 200

OKC 200/1 m

OKCE 180

OKCE 200

Družstevní závody Dražice

strojírna s.r.o.

Dražice 69, 294 71 Benátky nad Jizerou

tel.: +420 / 326 370

990

fax: +420 / 326 370

980

mail: [email protected]

Summary of Contents for OKC 100 NTR

Page 1: ...80 OKCE 50 OKC 100 OKC 100 1 m2 OKCE 80 OKC 125 OKC 125 1 m2 OKCE 100 OKC 160 OKC 160 1 m2 OKCE 125 OKC 180 OKC 180 1 m2 OKCE 160 OKC 200 OKC 200 1 m2 OKCE 180 OKCE 200 Družstevní závody Dražice strojírna s r o Dražice 69 294 71 Benátky nad Jizerou tel 420 326 370 990 fax 420 326 370 980 e mail prodej dzd cz ...

Page 2: ...RIC INSTALLATION GENERAL INFORMATION 12 2 5 CONNECTION OF INDIRECT HEATER TO HOT WATER HEATING SYSTEM 13 2 6 FIRST HEATER COMMISSIONING 14 2 7 PUTTING OUT OF SERVICE DISCHARGE 15 2 8 INSPECTION MAINTENANCE CARE FOR THE APPLIANCE 16 2 9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES 17 3 OPERATION OF THERMOSTAT 17 3 1 OPERATING MODES 17 3 1 1 SERVICING 17 3 1 2 TEMPEATURE SETTING 18 3 1 3 LIMITIN...

Page 3: ...td 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 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 environ...

Page 4: ...s hot water withdrawal at any place from the heater Figure 6 1 2 ADVICE FOR 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...

Page 5: ...t pursuant to Directive No see Table 1 HEAT TYPES ENERGY EFFICIENCY CLASS HEAT LOSSES Wh 24 hr l NOMINAL CAPACITY l TIME OF CONTENT HEATING hours ELECTRICITY CONSUMPTION FOR HEATING OF THE CONTENTS FROM 15 C TO 65 C IN kWh HEAT LOSSES kWh 24 hr OKC 80 75 2 5 4 8 OKC 100 OKC 100 1 m2 95 3 6 OKC 125 OKC 125 1 m2 120 3 8 8 OKC 160 OKC 160 1 m2 147 5 9 6 OKC 180 OKC 180 1 m2 175 5 10 6 OKC 200 OKC 200...

Page 6: ...lid and the flange Thermowells for placing a heating element and sensors of regulation thermostat and safety fuse are located in the flange lid Anode rod is mounted on M8 nut The water reservoir is insulated by means of polyurethane foam Electric wiring is placed underneath the plastic removable cover The temperature of water can be set using the thermostat In combined versions a heat exchanger is...

Page 7: ...801 1005 793 793 D 524 524 524 524 584 584 E 501 651 701 651 701 651 701 685 685 F 551 551 831 895 895 G G3 4 G3 4 G1 G3 4 G1 G3 4 G1 G3 4 G1 G3 4 G1 H G3 4 G3 4 G3 4 G3 4 G3 4 I 211 211 211 261 211 261 245 245 J 720 815 600 600 Distance from the upper heater s edge to the end of the water inlet and outlet tubes Check the B and N dimensions before drilling The values behind the slash apply to heat...

Page 8: ... Figure 2 TYPE OKCE 50 OKCE 80 OKCE 100 OKCE 125 OKCE 160 OKCE 180 OKCE 200 A 561 736 881 1046 1235 1187 1287 B 556 731 876 1041 1230 1182 1282 C 448 615 765 765 1005 793 793 D 524 524 524 524 524 584 584 E 720 600 600 Distance from the upper heater s edge to the end of the water inlet and outlet tubes Table 3 ...

Page 9: ... C hour 1 5 2 5 3 3 8 5 5 5 5 HEAT LOSSES ENERGY EFFICIENCY CLASS kWh 24h TYPE OKC 80 OKC 100 OKC 125 OKC 160 OKC 180 OKC 200 EXCHANGER HEAT SURFACE m2 0 41 0 68 0 68 0 68 0 68 0 68 RATED THERMAL OUTPUT AT HEATING WATER TEMPERATURE OF 80 C AND FLOW 720 l h W 9000 17000 17000 17000 17000 17000 TIME OF HEATING BY EXCHANGER FROM 10 C TO 60 C AT FLOW OF 720 l hr min 32 23 28 35 40 45 RATED THERMAL OUT...

Page 10: ...pliance or the thermostat to be set to minimum operation temperature of 60o C 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 mounting check the loading capacity of the wall and depending on the type of masonry choose a suitable anchorage material o...

Page 11: ...eater pressure and at least 20 higher than the maximum pressure in the water main If the water main pressure exceeds such value a reduction valve must be added to the system No stop valves can be put between the heater and the safety valve During the assembly follow the guide provided by the safety equipment manufacturer It is necessary to check the safety valve each time before putting it into op...

Page 12: ...PES MPa 0 6 0 6 up to 0 48 0 7 0 7 up to 0 56 1 1 up to 0 8 Table 5 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 Standards 2 4 ELECTRIC WIRING 2 4 1 ELECTRIC INSTALLATION GENERAL INFORMATION 0 Air outlet valve U Shut off valve P1 Safety valve with backflow flap...

Page 13: ...n accordance with norms Figure 5 2 5 CONNECTION OF INDIRECT HEATER TO HOT WATER HEATING SYSTEM a Water heating by electric energy 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 thus discontinues water heating The contro...

Page 14: ...g on the need of connecting the closing valves to the heating element either from the right or from the left Figure 6 It is recommended 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 6 2 6 FIRST HEATER COMMISSIONING After connecting the heater to the w...

Page 15: ...er is gone 8 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 The switch for the supply lead or the fuse cut outs have to be shut off At places with permanent risk of frost the...

Page 16: ...nt of hot water consumed We recommend checking and cleaning the tank from scale and eventual replacement of the anode rod after two years of operation The anode life is theoretically calculated for two years of operation however it changes with water hardness and chemical composition in the place of use Based on such an inspection the next term of anode rod exchange may be determined Have the comp...

Page 17: ...erature of water is not corresponding defective thermostat Water is constantly dripping of the safety valve is not on input pressure too high faulty safety valve Table 6 Do not try 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...

Page 18: ...s in use without blocking the daily rate we do not recommend the temperature to be set above 65 C The maximum value to select is 60 3 1 3 LIMITING THE REGULATION RANGE LOCKED SETTINGS For various safety reasons unintentional scalding preventing children or unauthorised person from handling the regulation range can be limited or the setting on the thermostat blocked Figure 9 Lower temperature range...

Page 19: ...p valves can be put between the heater and the safety valve If the overpressure in the water main exceeds 0 48 MPa a pressure control valve must be mounted before the safety valve All hot water outputs must have a combination faucet Before filling the heater with water for the first time it is recommended to fasten the flange connection nuts of the tank It is not allowed to handle the thermostat a...

Page 20: ... to a waste disposal 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 φ 13 OKCE version has them mounted in the hinges on the heater and a thermom...

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