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Fixed everything quickly very happy
Heat Tune Up for Utica Boiler. Made call for heat from thermostat. Checked drum style expansion tank. Measured/checked temperature delta return supply piping and temperature /pressure guage of boiler throughout cycle. Inspected flue and heat exchanger. Verified control/flue damper. Checked aquastat/control/Low water cutoff and circulator. Combustion/draft test: Good. Recommended replacing auto vent. Provided 2 Sri ages. 1 is to replace auto vent. The other is to replace auto vent and purge system. Homeowner periodically purges system himself. Boiler is operating well at the time of this maintenance.
Went downstairs to basement and homeowner had showed me that the control board at the air handler relay was burnt and half melted. Plugged wire back in and turned on breaker. Found power wire getting hot going to control board and on 10 kw heat strip , 5 kw was running stuck on with no call from the thermostat. Heat strip and control board need to be replaced. Will get price and availability tomorrow and give homeowner a quote to perform repair.
Return visit to pressure test system once again and triple evacuation on ductless system once we have reached good vacuum, charge system with 410 based on manufacture specifications after pressure test system held 450 psi for 20 mins, triple evacuation on system and added 8 lbs and 4 ounces total charge check operation on heat pump all 5 heads came on
Customer installed ductless system one heat pump and 5 indoor head, upon arrival customer explained they did not pressure test system or evacuate, found almost no refrigerant in the system, quoted to add nitrogen and pressure test system, once we verified no leaks are present then we can move to next step to triple evacuation and re charge, customer ok price, found several connections leaking at the outdoor and 3 indoor head leaking, would recommended reflate all connections and used flare tite, customer will repair all connections, he will call office when he is ready to triple evacuation and re charge unit
Performed precision gas boiler tune up. Found heat exchanger and smoke pipe to be clear. After talking to homeowner he mentioned that his auto air bleeder would sometimes not bleed the air out correctly. Gave homeowner a quote to replace air bleeder. Cycled on boiler and checked gas pressure and combustion test. Made sure single zone loop was getting hot. Checked operation of circulation pump. 80% gas boiler is functioning fine at time of inspection.
Found outdoor fan motor not starting but compressor was. Found bad 35/5 mf cap . Replaced 35/5 mf cap and tested refrigerant pressures. Outdoor temperature was 90 degrees. R-22 pressures were 215/78. With a subcooling of 6. System is working fine at time of service.
Found wasps and debris inside chimney liner may have debris the entire way up thru which is a fire hazard. Also performed a smoke test on heat exchanger and did get some smoke leakage at seam in exchanger. Furnace is un safe tagged out. Recommend replacing the system. Homeowner is talking about installing an entire system to do the entire house not just two supplyâ€™s. Told homeowner to give the office a call when she is ready for a quote. Gave her a ball park of $20,000 to 25,000.
Performed repairs as per previous diagnosis. Replace 1/2 pressure reducing valve and back flow preventer. Also replaced 3/4 pressure relief valve . Found expansion tank did not have any holes in tank and did Not need replaced , so properly drained down expansion tank , and boiler piping system. After replacing the components, re filled boiler and purged out air. Both first and second floor piping is getting hot again and told homeowner some air will still be left in the system and will work its way out of the air bleeder. After replacing and boiler was hot, checked boiler pressure it was 15 psi during a run cycle.
Diagnosed issues with boiler. Found boiler going off on exceeding water pressure. Airvent was already replaced and verified operational. The previous company left the airvent closed, I also found the limit set at 200F, it factory standard recommended at 180F. Boiler was drained down and the automatic water feeder was tested operational. It maybe passing water through causing access pressure. All base board zones were bled, and the boiler was tested and verified operational. While filling boiler to proper temperature and pressure, there was a slight increase in pressure so I isolated the automatic water feed. The Clint will keep a eye on the water pressure to isolate the expansion tank or the automatic waterfeeder.
Performed maintenance on gas boiler in Christiana