Drazice OKC 300 NTR/HP Operating And Installation Manual
Indirect water heater
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Table of Contents
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Summary of Contents for Drazice OKC 300 NTR/HP
- Page 1 OPERATING AND INSTALLATION MANUAL INDIRECT WATER HEATER OKC 300 NTR/HP OKC 400 NTR/HP OKC 500 NTR/HP Družstevní závody Dražice-strojírna s.r.o. (Works Cooperative - Dražice – Machine Plant, Ltd.) Dražice 69 294 71 Benátky nad Jizerou Tel.: 326 370 911, fax: 326 370 980 www.dzd.cz...
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Page 2: Table Of Contents
Read carefully the below instructions prior to the installation of the 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. The manufacturer reserves the right for engineering modification of the product. The product is designed for permanent contact with drinkable water. -
Page 3: Important Notices
Make sure to fill in properly the warranty certificate. TECHNICAL DATA AND DESCRIPTION OF THE HEATER Chart 1 Type OKC 300 NTR/HP OKC 400 NTR/HP OKC 500 NTR/HP Capacity Height of the heater... - Page 4 Fig. 1 OKC 300 NTR/HP...
- Page 5 Fig. 2 OKC 400-500 NTR/HP Chart 2 All dimensions ± 5 mm.
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Page 7: Connecting A Heater To A Hot Water Distribution
CONNECTING A HEATER TO A HOT WATER DISTRIBUTION Fig. 3 The heater’s cold water inlet must be fitted with a T-fitting with a discharge valve for any discharge of water from the heater (see Section No.11). Each individually lockable heater must also be equipped at the hot water inlet with a test cock, check valve, safety valve and level gauge. -
Page 8: Spare Parts
Find necessary pressure values in the following table. Safety valve Admissible operating Max. pressure in starting pressure water heater the cold water pipe (MPa) pressure (MPa) (MPa) do 0.48 do 0.56 do 0.8 For proper safety valve operation, a backflow valve must be mounted on the inlet pipes, preventing spontaneous heater draining and hot water penetrating back into the water main. -
Page 9: 11. Connecting A Heater To A Heating System
NOTICE 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. CONNECTING A HEATER TO A HEATING SYSTEM The heater is placed on the ground, next to the heating source, or in its vicinity.
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