Thanks for the sketch.
I agree with your 'keep it simple' philosophy.
Are you suggesting omitting exisitng 3-port valve arrangements? I would be a bit reluctant too change too much a system which appears working fine at the moment.
I'm assuming the v1 lets the boiler injection pump act as a...
Chasbean1,
I'm attaching a hand sketch of the system which I did on site. Hope it comes out alright.http://files.engineering.com/getfile.aspx?folder=1f1cbea8-6ab1-49d8-9ca2-9ca02afae6ac&file=LPHW_Schm.pdf
Apologies, 'No.' just refers to 'number of'.
The system consists of 2 LPHW boilers feeding o low loss header arrangement via 1 boiler injection pump and diverting valve controlled which is controlled by an immersion stat in the return o the boiler.
The low loss header feeds 2 circuits. The...
This might be a failry broad question but I have a building with 3No. LPHW heating circuits serving radiators in north/centre/south zones.
Temperature control at the moment consists of 1No. thermostat controlling a common mixing valve.
I am proposing to provide individual temperature control for...
