{"id":9079,"date":"2023-11-03T12:12:00","date_gmt":"2023-11-03T11:12:00","guid":{"rendered":"https:\/\/faqdoc.info\/systemauswahl\/non-knowledgebase\/uncategorized\/device-overview-2\/"},"modified":"2025-08-15T08:57:44","modified_gmt":"2025-08-15T07:57:44","password":"","slug":"device-overview-2","status":"publish","type":"docs","link":"https:\/\/faqdoc.info\/en\/systemauswahl\/alpha-direct-balance-switch-en\/alpha-direct-balance-switch-nfc-base-station-en\/device-overview-2\/","title":{"rendered":"Device overview"},"content":{"rendered":"\n

Connections and indications <\/h3>\n\n
\n
\"\"<\/figure>\n<\/figure>\n\n

1 – Boiler connection 2 – Pump connection 3 – Protective earth connection (230 V only) 4 – Voltage supply 5 – Fuse 6 – Temperature limiter or dew point monitor 7 – Changeover heating\/cooling 8 – Setback temperature channel external timer 9 – Thermostat connection 10 – LED 11 – NFC antenna 12 – Connection of valve drives 13 – Strain relief<\/p>\n\n

Technical data <\/h3>\n\n
\n
\n
Operating voltage<\/td>24 V \u00b120 %, 50 Hz,230 V \u00b110 %, 50 Hz<\/td><\/tr>
Power consumption<\/td>max. 50 VA<\/td><\/tr>
Power consumption (idle)<\/td><1 W<\/td><\/tr>
Fuse<\/td>24 V: T2A230 V: T4AH<\/td><\/tr>
Connectable room controllers<\/td>max. 8<\/td><\/tr>
Connectable room controllers<\/td>A 20×05, AST 20×05, A 40×05, AST 40×05<\/td><\/tr>
Connectable valve drives<\/td>max. 12 actuators<\/td><\/tr>
Inrush current per valve drive<\/td>230 V: max. 500 mA<\/td><\/tr>
max. permissible nominal load of the connectable valve drives<\/td>24 V: max. 24 W<\/td><\/tr>
Pump connection Switching capacity<\/strong><\/td>2 A, 200 VA induktiv<\/td><\/tr>
– Turn-on delay<\/td>parametrisable (default: 2 minutes)<\/td><\/tr>
– Follow-up time<\/td>parametrisable (default: 2 minutes)<\/td><\/tr>
Boiler connection Switching capacity<\/strong><\/td>2 A, 200 VA induktiv<\/td><\/tr>
– Turn-on delay<\/td>parametrisable (default: 0 parametrisable )<\/td><\/tr>
– Follow-up time<\/td>parametrisable (default: 0 parametrisable )<\/td><\/tr>
Pump protection<\/td>parametrisable (default: 3 days \/ 5 min.)<\/td><\/tr>
Valve protection<\/td>parametrisable (default: 3 days \/ 5 min.)<\/td><\/tr>
Valve drive operating principle<\/td>NC<\/td><\/tr>
Ambient temperature<\/td>0 \u2026 50 \u00b0C<\/td><\/tr>
Storage temperature \/ transport temperature<\/td>-20 \u2026 +70 \u00b0C<\/td><\/tr>
Ambient humidity<\/td>5-80 %, non-condensing<\/td><\/tr>
ERP class according to EU 811\/2013<\/td>1=1 %<\/td><\/tr>
Contamination degree<\/td>2<\/td><\/tr>
Rated impulse voltage<\/td>1500 V<\/td><\/tr>
Protection class<\/td>24 V: III230V: II<\/td><\/tr>
Protection type:<\/td>IP20<\/td><\/tr>
Function<\/td>Type 1 \/ type 1.C<\/td><\/tr>
Dimensions (H x W x D)<\/td>90 x 326,5 x 52 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n

Display<\/h3>\n\n
LED heating zones<\/td>green (one LED per HZ)<\/td><\/tr>
LED fuse<\/td>red<\/td><\/tr>
LED power<\/td>green \/ red (two-coloured)<\/td><\/tr>
LED pump<\/td>green<\/td><\/tr>
LED boiler<\/td>green<\/td><\/tr>
LED heating \/ cooling<\/td>green<\/td><\/tr>
LED Modbus<\/td>Flashing orange for Modbus activity<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"

Connections and indications 1 – Boiler connection 2 – Pump connection 3 – Protective earth connection (230 V only) 4 – Voltage supply 5 – Fuse 6 – Temperature limiter or dew point monitor 7 – Changeover heating\/cooling 8 – Setback temperature channel external timer 9 – Thermostat connection 10 – LED 11 – NFC […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"doc_category":[133],"doc_tag":[],"knowledge_base":[36],"class_list":["post-9079","docs","type-docs","status-publish","hentry","doc_category-alpha-direct-balance-switch-nfc-base-station-en","knowledge_base-alpha-direct-balance-switch-en"],"year_month":"2026-04","word_count":212,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"Cara Z\u00fcchner","author_nicename":"czuechner","author_url":"https:\/\/faqdoc.info\/en\/author\/czuechner\/"},"doc_category_info":[{"term_name":"Alpha direct Balance Switch NFC base station","term_url":"https:\/\/faqdoc.info\/en\/systemauswahl\/alpha-direct-balance-switch-en\/alpha-direct-balance-switch-nfc-base-station-en\/"}],"doc_tag_info":[],"knowledge_base_info":[{"term_name":"Alpha direct Balance Switch","term_url":"https:\/\/faqdoc.info\/en\/systemauswahl\/alpha-direct-balance-switch-en\/","term_slug":"alpha-direct-balance-switch-en"}],"knowledge_base_slug":["alpha-direct-balance-switch-en"],"_links":{"self":[{"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/docs\/9079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/comments?post=9079"}],"version-history":[{"count":1,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/docs\/9079\/revisions"}],"predecessor-version":[{"id":9081,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/docs\/9079\/revisions\/9081"}],"wp:attachment":[{"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/media?parent=9079"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/doc_category?post=9079"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/doc_tag?post=9079"},{"taxonomy":"knowledge_base","embeddable":true,"href":"https:\/\/faqdoc.info\/en\/wp-json\/wp\/v2\/knowledge_base?post=9079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}