Greenstar 24ri - large temperature drop before re-fire
Greenstar 24ri - large temperature drop before re-fire
I have a Worcester Bosch Greenstar 24ri gas fired boiler for water and central heating. Hot water is via an indirect cylinder, tank stat set to 60C and boiler set to give flow temperature at around 73C (measured using contact thermocouple on pipe). Grundfoss pump set on speed setting 2 of 2. Time clock is set for a 1 hour cycle in the morning.
Problem: At the start of the cycle the boiler fires and runs for around 35 minutes. Boiler then stops firing but zone valve is still open and pump...
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by Gwyndy
This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum
Greenstar 24ri - large temperature drop before re-fire
I have a Worcester Bosch Greenstar 24ri gas fired boiler for water and central heating. Hot water is via an indirect cylinder, tank stat set to 60C and boiler set to give flow temperature at around 73C (measured using contact thermocouple on pipe). Grundfoss pump set on speed setting 2 of 2. Time clock is set for a 1 hour cycle in the morning.
Problem: At the start of the cycle the boiler fires and runs for around 35 minutes. Boiler then stops firing but zone valve is still open and pump...
Read more
by Gwyndy
This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum