Lucama NC Heating & Air Conditioning Services

Customer stated the thermostat stays satisfied but does not think the blower is running when heat is turned on in the afternoon. Customer stated when they bump the heat up first thing, they can hear the blower run very loud and heats quickly, but in the afternoon, when it runs they don’t hear the blower run. Tech found system is operating properly and is a 3 stage system. Tech verified low stage runs when heat is bumped up one degree and high stage runs when heat is bumped up several degrees. Tech found a normal flame as well. Tech explained that when they bump the heat up from 68 to 73 first thing in the morning, they are hearing the system run in high stage. In the afternoon it is running low stage. Tech also explained it is using less gas and electricity when running low stage. Tech also verified temp split and verified thermostat satisfied from 73 to 75 while tech was there.

Tech replaced 90 percent furnace heat exchanger. Tech tested system and checked gas pressure. System has a high medium and low gas pressure setting. Tech found pressure at 2.3 for low, 5.5 for medium and high stage at 9.4. Tech increased regulator and found high side at 10.4. System is operating properly at this time.

Tech found flames spitting back occasionally and could smell soot. Tech found heat exchangers are sooted out causing the intake to melt. Heat exchanger are under parts warranty and cost the same price as washing them out. Customer chose to replace heat exchangers. Part needs to be ordered. 2 inch pvc 1 needed one 1/2 inch elbow needed for drain.

Customer was informed by a separate contractor that the second stage heat exchanger was cracked and needs to be replaced. - Tech found no cracks or lacerations in either heat exchanger. Found pressure switch hoses backed up with water and drain box was clogged. Found plastic fresh air intake melted to the burner cage. Intake is almost completely obstructed and preventing burners from receiving oxygen. System runs temporarily but overheats in the burner compartment. Checked gas pressures and confirmed proper startup. Need to order replacement intake vent and reconfirm operation. - Tech flushed all pressure switch lines, cleaned flame sensor and igniter, and removed water from draft compartment. - Customer invested in a one system premium service agreement, paid monthly. Left power off to system.

Tech performed esa on one system. Tech recommended addition of plasma air to prevent any dust, debris, bacteria and pollutants from getting into home and ducts. Tech did not find any challenges at this time. System is back on and operating properly at this time. Customer has washable filters.

Replace top to pedestal sink customer supplied everything

Customer canceled appointment. Will call back to reschedule.

Tech pulled new thermostat wire. Assisted tech with new thermostat wire installation.

Upon arrival tech was informed system was not coming on. Tech inspected system and found thermostat sending a Y call but it was not received at the system indicating a break in the yellow wire. Tech changed wire to black and system started up. Tech sent estimate to customer on replacing 30’ thermostat wire and office said Tuesday was when we could come back to change wire.

Tech performed ESA, tech recommended plasma air be installed to prevent bacterial growth from accumulating in ducts and getting in home. No other issues at this time. System is back on and operating properly at this time.

Upon arrival tech reprogrammed thermostat to remove schedule per homeowners request. No charge due to recent install.

Tech washed and serviced unit Customer extended esa

Tech found thermostat calling for heat but not power at w at gas pack. Tech jumped r an w at thermostat and found still no power. Tech swapped white with orange and found system running properly. Tech recommends replacing thermostat wire.

Advised customer on what would need to be done to get a heat pump. Customer has to do some thinking on how he is going to go about it. Not currently living in the house

4WCZ5036E1000A

SOLD UNIT

Tech found od fan bearing starting to fail tech also found capacitor for compressor had failed and swelled up. Upon further inspection tech found compressor was cold but had a open winding tech mega ohmed and found in bad indicating compressor has failed. Tech spoke with customer and showed him the estimate. He wants a quote for a new system due to how much the repairs would be for a older system Mike is on the way to get him the best solution

Tech was sent out to re-diagnose and verify previous findings. Tech found the thermostat blank upon arriving. There was power to the unit but the low voltage fuse was not on board and tech located a blown 3 amp fuse in compartment. Tech installed a new fuse and control started clicking and LEDs cutting on and off. Tech removed thermostat from the wall and temporarily connected to the control board with short piece of thermostat wire. Blower cycled on and off, then the induce cycled on, relay on board could be heard click and the LEDs went out and back on. Tech diagnosed the nano control board faulty. Board will not send out low voltage to the gas valve or ignition control board to initiate ignition. Tech was able to get ignition board to spark briefly but not long enough for burners light. There is some signs of wires rubbing and possibly shorting to the blower motor module. Unit could have multiple challenges, due to age and possible high repair cost it is recommended that unit be rep