Does Wood Boiler Pump Run All The Time. Disconnecting either of the 2 thermostat wires in the aquastat stopped the circulator pump from running. However, we don't know whether your boiler is designed to maintain a minimum core temperature or not.
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It's a grundfos pump working with a potterton suprima 30l wall mounted fan assisted balanced flue gas boiler. The pump does not run 24/7, but appears to run all the time that the programmer is between it's on and off setting for the hot water. The tech when he cleaned the boiler had placed a pencil at times behind a switch in the aquastat to force the furnace to run.
The Motorized Valves Appear To Both Be Operating Correctly.
He thinks it probably is a wiring fault. I turned off the temperature control and programmer but the pump continued to run. The boiler itself is switching on and off correctly, presumably just keeping the water in it's internal loop at the correct temperature as heat is lost.
He Said That There Was 240V Permamntly On The Live Return To The Boiler And This Would Make The Boiler Pump Run All The Time.
Based on the short description of your system it sounds like you only have one zone or thermostat controlling the whole house. The tech when he cleaned the boiler had placed a pencil at times behind a switch in the aquastat to force the furnace to run. The thermostat wires come into the honeywell aquastat.
The Pump Does Not Run 24/7, But Appears To Run All The Time That The Programmer Is Between It's On And Off Setting For The Hot Water.
It's a grundfos pump working with a potterton suprima 30l wall mounted fan assisted balanced flue gas boiler. Does this help answer your question? However, we don't know whether your boiler is designed to maintain a minimum core temperature or not.
Disconnecting Either Of The 2 Thermostat Wires In The Aquastat Stopped The Circulator Pump From Running.
Pressing the reset button had no effect. The boiler tripped out last night when i had it on the 24 hour setting to heat some water up. He said this should be switched by the programmer/valves.
