{"id":2244,"date":"2020-10-31T14:20:55","date_gmt":"2020-10-31T12:20:55","guid":{"rendered":"https:\/\/firebox.com.ua\/?p=2244"},"modified":"2020-10-31T14:20:55","modified_gmt":"2020-10-31T12:20:55","slug":"primery-gidravlicheskih-shem-obvyazki-kotlov-focus-oborudovannnyh-pelletnymi-gorelkami","status":"publish","type":"post","link":"https:\/\/firebox.com.ua\/en\/primery-gidravlicheskih-shem-obvyazki-kotlov-focus-oborudovannnyh-pelletnymi-gorelkami\/","title":{"rendered":"Examples of hydraulic piping schemes for FOCUS boilers equipped with pellet burners"},"content":{"rendered":"

Hydraulic piping schemes for pellet boilers FOCUS<\/h1>\n

We invite readers and buyers to familiarize themselves with the schemes for piping a pellet boiler. Hydraulic circuits are aimed at automating the heating process. Examples of hydraulic piping diagrams for FOCUS boilers will help you to install a boiler room without preliminary design, if the system parameters differ slightly.<\/p>\n

Diagram with a four-way valve that controls the central heating circuit<\/b>1<\/sup><\/b><\/span>:<\/h2>\n

\"-<\/a><\/p>\n

 <\/p>\n

1 - boiler,<\/a> 2 - burner, 3 - controller, 4 - boiler temperature sensor, 5 - flue gas temperature sensor (for information only), 6 - four-way valve actuator, 7 - circuit pump\u00a0 <\/span>mixer, 8 - mixer circuit temperature sensor, 9 - boiler\u00a0 <\/span>hot water supply, 10 -\u00a0 <\/span>hot water pump, 11 - hot water sensor, 12 - weather temperature sensor, 13 - room panel or standard room thermostat, 14 - return temperature sensor (not required for system operation).<\/p>\n

\n

In order to improve the water circulation in the gravity circuit of the boiler, it is necessary to: use large nominal diameters DN of pipes and a four-way valve, avoid a large number of bends and diameter reductions, observe other rules regarding the design of gravity systems, for example, maintaining drops, etc. <\/strong><\/p><\/blockquote>\n

If the return sensor is mounted overhead, it should be thermally isolated from the environment and improve thermal contact with the pipe using heat-conducting paste. The preset temperature of the boiler must be set at such a level that the heat output for the mixer circuit can be ensured while simultaneously heating the water returning to the boiler.<\/strong><\/p>\n

 <\/p>\n

Thermal buffer circuit<\/b>2<\/sup><\/b><\/span>:<\/h2>\n

\"Examples<\/a><\/p>\n

1 \u2013 boiler<\/a>, 2 - burner<\/a>, 3 - controller<\/a>, 4 - boiler temperature sensor, 5 - flue gas temperature sensor (for information only), 6 - boiler pump, 7 - heat buffer, 8 - hot water pump, 9 - hot water boiler, 10 - hot water temperature sensor, 11 - mixing valve actuator, 12 - mixer circuit temperature sensor, 13 - mixer pump, 14 - room panel with room thermostat function, 15 - thermostatic three-way valve for return protection, 16 - upper buffer temperature sensor, 17 - lower buffer temperature sensor, 18 - weather temperature sensor, 19 - additional module B.<\/p>\n

Circuit with thermal buffer and 5 mixing heating circuits<\/b>3<\/sup><\/b><\/span>:<\/h2>\n

\"Circuit<\/a><\/p>\n<p","protected":false},"excerpt":{"rendered":"

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