Drazice NADO 300/20v6 Operating And Installation Manual

Text of Drazice NADO 300/20v6 User Guide:

• Drazice NADO 300/20v6, OPERATING AND INSTALLATION MANUAL Accumulation Tank NADO 300/20v6 NADO 500/25v6 NADO 750/35v6 NADO 1000/45v6 Družstevní závody Dražice - strojírna s.r.o. Dražice 69, 294 71 Benátky nad Jizerou Phone.: +420 /326 370 990 Fax: +420 / 326 370 980 E-mail: [email protected]

• Drazice NADO 300/20v6, - 2 - CONTENTS 1 PRODUCT TECHNICAL SPECIFICATION ....................................................................................................... 4 1.1 FUNCTION DESCRIPTION ................................................................................................................... 4 1.2 DESIGNING THE SIZE AND CONNECTION OF STORAGE TANK TO THR HEATING SYSTEM ................. 4 1.3 TECHNICAL PARAMETERS .................................................................................................................. 5 2 IMPORTANT NOTICES ......................

• - 3 - PRIOR TO THE INSTALLATION OF THE TANK, READ CAREFULLY THIS MANUAL! 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 present instructions will introduce you to the use, construction, maintenance and other information regarding electrical water tanks. The

• Drazice NADO 300/20v6, - 4 - 1 PRODUCT TECHNICAL SPECIFICATION 1.1 FUNCTION DESCRIPTION Storage tanks serve accumulation of excessive heat from its source. The source may be a solid fuel boiler, heat pump, solar collectors, fireplace inserts, etc. Some types of storage tanks allow combination of connecting even multiple sources. The NADO type storage tanks serve accumulation of heat in the heating system and allow heating or preheating of HSW (Hot Service Water) in an inner stainless vessel. Incorporation of a storage tank in the heating sy

• Drazice NADO 300/20v6, - 5 - The manufacturer explicitly emphasises the necessity of being particular in testing the tightness of the heating circuit (radiators, piping joints, floor heating, etc.) with the connection of the storage tank. No pressure grow above the maximum operating pressure of 0,3 MPa in the storage tank heating water compartment may occur, if the heating system is pressurised to higher than the maximum operating pressure, the inner stainless exchanger may get permanently damaged! No stop fitting can be put between the security fitting of the heating circuit and the storage tank!!! 1.3 TECH

• Drazice NADO 300/20v6, - 6 - 2 IMPORTANT NOTICES Connection of internal tank for hot water must comply with CSN 060830, i.e. on cold water inlet is necessary to install a safety valve. We recommend to start up the heating circle before commissioning and to clean possible dirts caught in the filter and after this the system would be fully functional. Recommended operating pressure of hot water circle is 0.4 MPa. We recommend installing return valve and an expansion vessel (min. 4 % of hot water in pipeline) on hot water outlet to eliminate back pressure impacts.

• - 7 - 3 TECHNICAL DESCRIPTION 1 - Bleeding (heating water outlet) 2 - Hot water outlet G 1¼“ 3 - Funnel for additional heating element TJ 6/4“ with an extended cooling compartment 2x 4 - Funnel for a thermowell 4x G 1/2“ 5 - Funnel for connecting another heating water source 6x G 1 ¼“ 6 - Inlet into exchanger G 1“ (SOLAR) 7 - Cold water

• Drazice NADO 300/20v6, - 8 - 3.1 NADO 500/25v6, 750/35 v6, 1000/45 v6 Thermal insulation: NEODUL Polyester sheet of 100 mm thickness. It consists of an upper cover, flange cover and hole caps. Insulation is supplied in a separate packaging. We recommend that the insulation was fitted at room temperature. At temperatures significantly below 20°C the insulation shrinks. This disables its easy fitting. TYPE NADO 500/25v6 NADO 750/35 v6 N

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