The Boiler Energy Manager (BEM) is an electronic controller which can be added to almost any central heating system to eliminate unnecessary boiler cycling and improve boiler seasonal efficiency. The BEM 4000 consists of an electronic controller, an outdoor temperature sensor and a strapon flow temperature sensor. It can be used in conjunction with a …
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(a) Fully pumped 2 x 2 port motor open/close valves links 4–9, 5–7 (b) Fully pumped 2 x 2 port spring return valves, 1 x 3-way mid-position valve, Satchell Duoflow Switchmaster Midi and Drayton Flowshare link 1–4–9 and 5–7 (c) Tower or ACL Biflo mid-position valve link 1–4–9 (d) Terminal 3 is a spare terminal …
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(a) Fully pumped 2 x 2 port motor open/close valves links 4–9, 5–7 (b) Fully pumped 2 x 2 port spring return valves, 1 x 3-way mid-position valve, Satchell Duoflow Switchmaster Midi and Drayton Flowshare link 1–4–9 and 5–7 (c) Tower or ACL Biflo mid-position valve link 1–4–9 (d) Terminal 3 is a spare terminal …
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