Drazice OKH 100 NTR Operation And Installation Manual
Tank type indirect water heaters
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- Operation and installation manual (16 pages) ,
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- Operation and installation manual (12 pages)
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Summary of Contents for Drazice OKH 100 NTR
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Page 1: Installation Manual
OPERATION AND INSTALLATION MANUAL TANK TYPE INDIRECT WATER HEATERS OKH 100 NTR/HV OKH 100 NTR OKH 125 NTR/HV OKH 125 NTR OKH 160 NTR 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: 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 DESIGN AND GENERAL HEATER DIMENSIONS ................... 5 OPERATION AND FITTING INSTRUCTIONS ....................8 OPERATING CONDITIONS ........................8 PLUMBING FIXTURE ........................... - Page 3 CAREFULLY READ THIS MANUAL BEFORE INSTALLING THE WATER HEATER! 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. With this guide, we will introduce you to the use, construction, maintenance and other information on electrical water heaters.
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Page 4: Product Technical Specification
1 PRODUCT TECHNICAL SPECIFICATION 1.1 FUNCTION DESCRIPTION Indirect stationary heaters of NTR and NTR/HV series are used for hot service water preparation in conjunction with another source of heating water, most often a gas boiler. Their nominal performance provides sufficient amount of hot water for large flat units, premises, restaurants, and similar establishments. -
Page 5: Design And General Heater Dimensions
Electric wiring is placed underneath the plastic removable cover. The temperature of water can be set using the thermostat. Heat exchanger is welded in the pressure tank. Technical description: OKH 100 NTR, OKH 125 NTR, OKH 160 NTR 1 Thermometer 2 Enamelled steel receptacle... - Page 6 Dimensions of heaters OKH 100 NTR, OKH 125 NTR, OKH 160 NTR OKH 100 NTR OKH 125 NTR OKH 160 NTR 1052 1237 1047 1232 *Height from the bottom heater's edge to the end of the water inlet and outlet Figure 3 tubes.
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Page 7: Exchanger
SPECIFICATIONS OKH 100 OKH 125 OKH 160 OKH 100 OKH 125 TYPE NTR/HV NTR/HV VOLUME MAX WEIGHT OF THE HEATER WITHOUT WATER HEAT TRANSFER 1,08 1,45 1,45 1,08 1,45 SURFACE MAX. TANK PRESSURE MAX. PRESSURE OF EXCHANGER MAX. TEMPERATURE °C OF HSW RECOMMENDED HSW °C... -
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 performance 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: Exchanger
Water can drip from the safety valve through the drain pipe; the pipe must be freely open to the atmosphere, placed vertically and shall be in an environment free of temperatures below freezing. When draining the heater, use a drain valve. You must first close the water supply to the heater. -
Page 10: Connection Of Indirect Heater To Hot Water Heating System
2.3 CONNECTION OF INDIRECT HEATER TO HOT WATER HEATING SYSTEM 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 The heating circuit is connected to marked inputs and outputs of the heater exchanger;... -
Page 11: First Heater Commissioning
2.4 FIRST HEATER COMMISSIONING After connecting the heater to the water supply, the hot water heating system, the electric network, and after testing its safety valve (based on the valve manual attached), the heater may be put into operation. Before opening the power supply, the tank must be filled with water. -
Page 12: Inspection, Maintenance & Care For The Appliance
2.6 INSPECTION, MAINTENANCE & CARE FOR THE APPLIANCE During the heating process the water that increases its volume during the heating must drip off the safety valve outlet (in non-pressurised connection this water drips off the combination faucet valve). In full heating (about 65 C) the volumetric water gain is approx. -
Page 13: Most Frequent Function Failures And Their Causes
2.7 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES FAILURE SYMPTOM SOLUTION Water is constantly LED is not on input pressure is too high dripping off the safety faulty safety valve valve Table 3 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. -
Page 14: Product Accessories
3.2 PRODUCT ACCESSORIES G3/4" safety valve is packed with the product and the OKC 100, 125 NTR and OKC 100, 125, 160 NTR/ HV types are additionally equipped with a discharge valve. It is in your own interest to check the completeness of the accessories. 3.3 DISPOSAL OF PACKAGING MATERIAL AND FUNCTIONLESS PRODUCT A service fee for providing return and recovery of packaging material has...
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