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New Ultra 230 S4 cycles based on settings poor heat

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Homeowner selfinstall cannot get boiler to run past the temp limits.  Have amtrol 80 indirect in system.  using wall hung radiators. amtrol hooked to boiler on sys 2, house thermo to tdc for pump on amtrol.  Outdoor sens installed.  Can I remove outdoor sens n jumper it across so boiler does not fault??? heating area approx 3000sqft.  Supply 58> return is fault resets after 30 secs.

boiler appears to be operating by all builtin preset mfg limits.  dont see any dip switches.  have set times 45 min max n 25 min min it never does either it hits target temp n shuts down then starts again after split is reached.

if use just house thermostat it turns boiler on but again runs by presets and stops regardless of setting on thermo with no faults.

House system 1.25" pex to 11 radiators, 4-14k btu & 7-10k btu.  boiler circuit 1"pex.

Bottom line how do I get boiler to run long enough to meet thermostat temp of 72°????  currently 18° outside n 60° inside.

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