Drazice 250 Operating And Installation Manual Download Page 6 | Manualshive

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OKC 250 NTR/HP

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Summary of Contents for 250

Page 1: ...TR HP OKC 300 NTR HP OKC 400 NTR HP OKC 500 NTR HP OKC 750 NTR HP OKC 1000 NTR HP 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 ...

Page 2: ...ING INSTRUCTIONS 12 2 1 PUTTING THE HEATER INTO OPERATION 12 2 2 CONNECTING A HEATER TO A HOT WATER DISTRIBUTION 12 2 3 PLUMBING FIXTURE 13 2 4 CONNECTING A HEATER TO A HEATING SYSTEM 14 2 5 HEATER CLEANING AND ANODE ROD EXCHANGE 15 2 6 SPARE PARTS 15 3 IMPORTANT NOTICES 15 3 1 IMPORTANT NOTICES 15 3 2 INSTALLATION REGULATIONS 16 3 3 DISPOSAL OF PACKAGING MATERIAL AND FUNCTIONLESS PRODUCT 16 ...

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: ...d thus reduces the effects of corrosion Inside the vessel there is a welded heat exchanger made of steel pipe with enamelled outer coating and connections of hot and cold water circulation and thermostat tank The pipe heat exchanger is only intended for the heating circuit On the side of the heater there is a cleaning and inspection aperture ending with a flange of 110 mm diameter the pitch of eig...

Page 5: ...mm 584 670 700 700 990 1090 Maximum weight without water kg 119 138 172 203 263 335 Maximum operating pressure in the tank MPa 1 1 1 1 1 1 Maximum operating overpressure in the exchanger MPa 1 1 1 1 1 1 Maximum heating water temperature C 110 110 110 110 110 110 Maximum temperature of HSW Hot Service Water C 90 90 90 90 90 90 Exchanger heat surface m2 2 5 3 2 5 6 2 7 0 9 0 Exchanger volume l 16 24...

Page 6: ... 6 OKC 250 NTR HP Figure 1 ...

Page 7: ... 7 OKC 300 NTR HP Figure 2 ...

Page 8: ... 8 OKC 400 500 NTR HP Figure 3 ...

Page 9: ... 9 OKC 750 NTR HP Figure 4 ...

Page 10: ... 10 OKC 1000 NTR HP Figure 5 ...

Page 11: ... 11 ...

Page 12: ...he operating and then the safety thermostat b Open the hot water valve on the combination faucet c Open the cold water inlet valve to the heater d When the water starts to flow through the hot water valve the filling of the heater is finished and the valve needs to be closed e Should a leak of the flange lid occur we recommend tightening the screws of the flange lid f When heating the water with t...

Page 13: ...re of a safety valve must be identical to the maximum allowed heater pressure and at least 20 higher than the maximum pressure in the water main Table 3 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 ...

Page 14: ...g source or in its vicinity The heating circuit is connected to marked inputs and outputs of the heater exchanger the deaerating valve is mounted in the highest place It is necessary to install a filter into the circuit in order to protect the pumps the three way valve and backflow flaps and the exchanger from sedimentation It is recommended to flush the heating circuit before the assembly All wir...

Page 15: ...creating underpressure that would prevent water discharge 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 C It is also possible to make use of another way of disinfecting HSW 2 6 SPARE PARTS Magnesium anod...

Page 16: ...ackaging 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 Take the water boiler packages to a waste disposal place determined by the town When the operation terminates disassemble and transport the discarded and unserviceable heater to a ...

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