Arrived to inspect rtu15 System is a multistage(two separate compressors) gas furnace Multistage air conditioning and multistage gas furnace First stage cooling fully is functional, refrigerant pressures are appropriate with indoor and outdoor conditions Second stage cooling is low on refrigerant, system is operating below 32 degrees, system is approximately 2lbs low of r-410a possible causes of low refrigerant , refrigerant could be lost by previous repair and services or by possible leaks in the system System thermostat is a legacy style mercury switch, which offers limited functionality and precision Some surface rust from exhaust heat exchanger(photos attached)
DCM1 complete; AC; (1) F16251 replaced. System is functional. Most components are operating within manufacturer specifications. Zone damper for second floor has failed. System is slightly overcharged, Subcool is 26*, amp draws are elevated but not exceeding RLA. System is 20 years old. Outdoor capacitor had failed, was replaced in July of last year with no break in membership. Replaced under warranty.
Called and sent email
Called and spoke over estimate
**** Deposit Invoice 50% **** Total: 20,824 50% Deposit Due: 10,412 Leaving Balance Due: 10,412 INCLUDED SERVICES: Connecting to Existing Duct Work/System, Plenums, Copper Line-set, Gas Line (If Applicable), Flue Vent (If Applicable), Gravity PVC Drain Line, Condensation Pump Plastic, Existing Electrical Wires, Breakers and Disconnects (Unless Otherwise Noted Below) Included in Scope of Work: Removing and Installing Ceiling Grid and Ceiling Tiles (Existing - New If Tiles Break), Indoor Unit, Outdoor Unit, Digital Programmable Thermostat, Using Existing Pad, Drain Line, Wiring Existing High/Low Voltage Electrical, Connecting Existing Electrical, Electric Heat Strips Have a Lead Time of 2-4 Weeks Min. Commercial Split System: Install Trane 7.5 Ton 208/230 Volt 3 Phase 410a Air Conditioner Unit, 7.5 Ton Cooling Coil Fan Coil, Heat Strip and Digital Thermostat Excluded From Scope of Work: Removing Fence Around Outdoor Unit, Smoke Detectors, Sampling Tubes, Fire Dampers, Access Panels,
INDOOR UNIT: 38W 20H 48D NEEDS HANGING MATERIAL IF OVER 20H GRAVITY DRAIN TIGHT ACCESS AIR LIFT NEED REMOVAL OF DROP CEILING AND 12FT MAIN RETURN 19H 24W 36D SUPPLY 16W 16H 8FT DROP CEILING 11FT FLOOR TO ROOF LINE
Call for no heat upstairs, found that in the granddaughters bedroom the supply was blocked off with aluminum foil, the master bedroom supply boot was broken and not connected, reconnected duct to get airflow into room, the upstairs bathroom is still ducted with the downstairs zone and contributing to the upstairs hallway heating to quickly and the thermostat temperature reading satisfying before the bedrooms do was able to locate the 2 bathroom ducts and they were switched the upstairs was to the downstairs zone and vice versa. System is running at this time.
Modified ductwork to separate downstairs with upstairs. Fixed flu vent from leaking, vacuumed water out of drain pan, and checked zone dampers where operating proper zones.