Zone Valves
Currently I have a 3 port valve controlled by a Time Controller
(Honeywell ST799), which controls my heating and hot water. I want to zone my house to split upstairs and downstairs, and would therefore like to use two sets of the HoneyWell CM67RF Programmable Thermostat and HC60NG relay box, one set for each zone. What I would like to know is what kind of zone valves I need? I could buy three 2 port valvles (1 for upstairs zone, 1 for downstairs zone, and 1 for the Hot Water (HW)). However at =A345 a valve I would like to know if it is possible to re-use the existing 3 port zone valve for one of the zones and HW, (in which case the CM67RF + HC60NG and the ST799 would need to be able to ontrol the same valve, is this possible? |
wrote in message roups.com... Currently I have a 3 port valve controlled by a Time Controller (Honeywell ST799), which controls my heating and hot water. I want to zone my house to split upstairs and downstairs, and would therefore like to use two sets of the HoneyWell CM67RF Programmable Thermostat and HC60NG relay box, one set for each zone. What I would like to know is what kind of zone valves I need? I could buy three 2 port valvles (1 for upstairs zone, 1 for downstairs zone, and 1 for the Hot Water (HW)). However at £45 a valve Or buy both for that price at Grahams. |
wrote in message oups.com... Currently I have a 3 port valve controlled by a Time Controller (Honeywell ST799), which controls my heating and hot water. I want to zone my house to split upstairs and downstairs, and would therefore like to use two sets of the HoneyWell CM67RF Programmable Thermostat and HC60NG relay box, one set for each zone. What I would like to know is what kind of zone valves I need? The usual method is to use three two port valves as you intimate above. The wiring is quite simple if you look up the S-plan on one of the manufacturers websites. I could buy three 2 port valvles (1 for upstairs zone, 1 for downstairs zone, and 1 for the Hot Water (HW)). However at £45 a valve I would like to know if it is possible to re-use the existing 3 port zone valve for one of the zones and HW, (in which case the CM67RF + HC60NG and the ST799 would need to be able to ontrol the same valve, is this possible? Look around for better prices but to answer your question its possible but you will end up with non-standard systems and possibly a bodge. |
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