Garnet Valley, PA

I arrived to the customers home to service their 1 yr old gas furnace system and Bosch heat pump dual fuel . I started with checking the air filter and replaced , the filter size is 16x20x4 supplied by the customer, and the humidifier. I checked all my electrical connections and voltages. I inspected and tested the burners , flame sensor and the igniter. I water tested all tubing and hoses. I inspected the exhaust and fresh air pipe for restrictions and bellies. I inspected the inducer and the blower motor operation. I checked and tested for combustion and took temp rise splits at the return and the supply. Everything is running fine at this time of service. Tested the system operation on a Bosch heat pump and took temp splits .

No heat. Unit was not running but there was a demand for heat. No active error codes. The most recent error code in history was open high limit. Reset power to system. Ran system and checked fan speed, filter and static pressure as well as temperature rise in st and 2nd stage heating 1St stage gas heat fan speed F01 static pressure .55” Good for 989 cfm Supply temperature 120°Good. 2nd Stage Gas heat fan speed F05 TESP .75” 1413 CFM Good. Ran unit for almost my entire duration of my time here. Highest supply temp was 128° Unit ran without interruption or error codes. If the issue that caused the open high limit error code to was still an issue it would have shown itself during my testing today. This may have been a nuisance issue, there were storms last night could have been a power related issue.

The nameplate has been changed from American standard to trane. The new filter was installed in the cabinet. All DIP switch settings and furnace was tested system quality assurance is complete with no issues.

10/27/25 Tan Performed QA inspection on gas furnace installed by us on 10/21/25. Client is mostly happy with install however he questioned why it ran for 30 minutes to go from 72° to 74°. I found airflow settings for 2nd stage was set too high and the temp rise matched the 1st stage. I set it from F05 to F02 per recommended settings. Also set AC airflow from F08 (1554cfm @ .5” wc) to F04 (1401cfm @ .5” wc) for 3.5 ton system. Tested temp splits, combustion, and amp draw. Combustion was good so no need to adjust gas pressures. Flue pipe had to be installed away from pvc piping to prevent melting but otherwise ok. Ductwork is sealed well and wiring is tight and secure. System is operational QA is a PASS

Set new furnace under existing coil. Built custom transition from furnace to coil. Adapted existing gas line to unit and leak checked. Remade all high and low voltage connections to unit required all safeties. Adapted smoke pipe to new unit. Performed all test put procedures cleaned all work areas and reviewed installation with ho.eowner.

Estimate

Upon arrival, I cycle system in cooling and checked static pressure. I closed several vents on first floor and installed two magnetic vent covers. Static pressure did not change during adjustments. System is operating appropriately at this time.

Wrapped supply plenum. See internal notes. We will need to come back to perform quality assurance. Customer wants to follow contract notes quality assurance two weeks after installation. During today’s visit all we is wrapped supply plenum.

Installed Trane air handler and coil in 30x30 pan. New return drop with 413 filter box and new supply plenum. Installed UV light, EZ Trap, wet switch, blower motor surge protector and condensate pump with new vinyl to sump pump. Adapted to existing gas line and smoke pipe. Installed Trane AC. New 7/8” and 5/16” line set. New pad and rectorseal. Installed Rheem 50 gallon water heater with st5 expansion tank. New shutoff valves on cold and hot side. Ran new 3” vent. Tested out all operations and cleaned work area. Job is completed.

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