Does Wood Boiler Pump Run All The Time. 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.
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Disconnecting either of the 2 thermostat wires in the aquastat stopped the circulator pump from running. Does this help answer your question? 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.
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 said this should be switched by the programmer/valves.
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.
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. However, we don't know whether your boiler is designed to maintain a minimum core temperature or not. The boiler tripped out last night when i had it on the 24 hour setting to heat some water up.
Disconnecting Either Of The 2 Thermostat Wires In The Aquastat Stopped The Circulator Pump From Running.
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. Does this help answer your question? Pressing the reset button had no effect.
Based On The Short Description Of Your System It Sounds Like You Only Have One Zone Or Thermostat Controlling The Whole House.
He thinks it probably is a wiring fault. I turned off the temperature control and programmer but the pump continued to run. The thermostat wires come into the honeywell aquastat.
