Excellent and efficient work by Cody to get my A/C up and running for the season. He did a thorough inspection and quick troubleshooting to solve a minor problem. Very glad I called Dobbs.
DCM1: Heat completed, (4) 14x14x1 (1) 14x20x1 changed System is fully functional and operating within manufacturer specifications at this time. Heat rise of 36.
Removed old equipment and installed new Mitsubishi heat pump mini split. Installed new mhk2 thermostat. Reconnected high voltage, drain line, lineset and communication wire. Tested system operations.
Leak searched mini split and found leak in outdoor coils (video attached). Due to the location of the leak it is not repairable. Need to get comfort advisor to send quotes for condenser and complete system. System is not operational at this time.
In other invoice.
DCM3: Heat complete. Replaced (3) 16x25x1 filters. All 3 systems are fully functional and operating within manufacturer specifications at this time. 0ppms of carbon monoxide found in the home. Maintenance checklist attached. Arrived to thermostat off and indoor temp 45*. Turned system on heat mode, system turned on however was not heating. Checked indoor and outdoor control boards for codes, board was not flashing codes. Checked refrigerant pressures and temperatures found that mini split is low on R410A, reached out to manufacturer to see if system is under warranty however they are closed today. Need to let homeowners know if system is under warranty or not and options from there.
DCM1: Heat complete, checked 20x25x4 filter. System is fully functional and operating within manufacturer specifications at this time. 0ppms of carbon monoxide in the home and refrigerant pressures and temperatures are appropriate for indoor and outdoor weather conditions. Maintenance checklist attached.
DCM1: Heat complete, replaced 20x20x1 filter. System is fully functional and operating within manufacturer specifications at this time. 0ppms of carbon monoxide in the home. Maintenance checklist attached.
DCM1 complete; Heat; (1) F16254 checked. System is fully functional. All components are operating within manufacturer specifications. Heat rise and gas pressure are within design parameters. Heat checklist attached
DCM1: AC Complete, Replaced (4) 14x14x1 , (1) 14x20x1 Filters. System is fully functional and operating within manufacturer specifications. Refrigerant pressures and temperatures are appropriate for indoor and outdoor temperature readings. Photos attached
Removed old equipment and installed new Rheem 4 ton duel fuel system. Installed new return plenum with 20x25x4 filter, new supply plenum, new emergency drain pan, new pan safety switch, new coil safety switch, new zone dampers, new 8” bypass, new zone board, 2 new thermostats, and new composite pad for outdoor unit. Reconnected high voltage, low voltage, drain line, gas line, vent pipe, supply ducts and all return ducts. Ran zone damper tests, tested system operations in heating and cooling, set proper charge.