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Setpoint met quickly on new Combi boiler
Just had a Lochinvar Noble installed and noticing that I'm hitting high point really quickly in the evening when the system turns on with one of the smaller zones.
What's surprising to me is that the system fires up at ~50% fire and then modulates down slowly to 15-20%. If it went to min fire faster I'm confident it would stay on for a good long while based on seeing what it does in the mornings. (I've seen a Single zone that will keep calling for heat for several hours without cycling at 10-20% fire rate)
Its piped p/s and I'm noticing that the system supply is 20-30 degrees lower than outlet. I'm curious if it would modulate down faster if it only had boiler outlet temp to go off of?
Anyone else encountered this? Any harm in disconnecting the supply temp the control board to try it out?