DCM9 complete, Heat; (8) 20x20x2, (4) 20x25x2, (3) 16x25x2, (1) 20x25x1, (1) 16x25x1, (1) 16x20x1, (1) 10x45x1 replaced (2) Washable filters cleaned. (1) AX46, (1) AX54, (1) A39, (1) A50 changed. Systems are fully functional with the following exceptions. RTU #1 ( Server/office ), : Straight AC; indoor fan blower motor has seized and will no longer spin. Blower motor photo attached RTU #3 ( offices ) : Gas valve fails to open. Input pressure on gas valve 24 in WC. Gas valve max pressure is 1/2 psi or 14 in WC. Gas regulator has failed. 3/4 in pipe diameter Photo attached System #6 ( Kitchen ) : System is approximately 4 lbs low on R22, pressures are low on both high and low sides. Superheat is extremely elevated. Indoor metering device is a piston while the outdoor fan has a low ambient kit that is keeping the system from freezing. System is 27 years old Request replacement quote for System #6 and RTU #1. Request repair quote for RTU #3 and RTU #1
Check Robs invoice.
Arrived to water damaged sheetrock in women’s bathroom attached to main lobby. Leak is not related to A/C units located on roof
Tested both systems in heat and reset smoke sensor. Repeated until system stayed in heat without tripping sensor
Identified faulty wiring at splice for reversing valve wire. Repaired wire and tested system. Functions as designed
Completed 1. Sealed return plenum 2. Properly connected 8in duct to boot at daughter’s room 3. Properly connected Master Bedroom 6in duct to trunk line 4. Installed high velocity registers in Master Bath / toilet 5. Cleaned trash from behind furnace 6. Added damper to master closet / toilet duct and reduced airflow 7. Tested system to ensure proper system airflow; diagnostics attached. System was left on Med-Hi fan speed, TESP : .75 CFM : 881
1. Clean debris from backside of furnace 2. Remove 6” duct from master bedroom on 10” duct: inner liner not connected 3. Connect supply duct in daughters room (new 8” added) outer liner not connected 4. Seal inside of return box at bottom of furnace 5. Needs a 10x6 (master bath) and 10x4 (master toilet) high velocity registers) 6. Check charge levels of ac system due to adjusting blower speed from high speed to medium high Robb is designated for this project
Remodified upstairs ductwork to a zoned system. Upsized 4 duct runs. Installed new 6” supply and new 8” return. Installed new supply plenum and new return plenum. Installed customer supplied thermostats
Helped with install
Completed DCM 9: Service 4 of 4 filter change, AC, bill out $667.50 - - AC; (8) 20x20x2, (4) 20x25x2, (3) 16x25x2, (1) 20x25x1, (1) 16x25x1, (1) 16x20x1, (1) 10x45x1 replaced, (2) Washable filters cleaned. (1) AX46, (1) AX54, (1) A39, (1) A50 checked
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