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Reconnected 2 condensers and pressure tested. Then evacuated down to 250 microns. Released refrigerant and adjusted charges. Reconnected high and low volt. Secured disconnect back to wall. Both units had near 20 degree splits. Systems working well. Added 1lb to Goodman unit.
Removed part of the drop ceiling and also the beam connecting it. We also removed the duct work that was hanging underneath the air handler, then we removed the air handler and return box and plenum. Installed new air handler in same place and readapted to the plenum, and built a new return box and adapted to that. Installed new eztrap and reconnected to the existing condensation line. Install a new disconnect for the air handler and then reconnected all low volt. Installed new outdoor unit in place of the old unit and set it on a pad and brazed it in. Pressure tested the units and then vacuumed down. Did our test out.
Site visit to take measurements for Byers Hall Air Handler for the Guest Apartment Building. Air Handler Dimensions: 61â€ Long / 26â€ High / 21-1/2â€ Deep (Air Handler in Horizontal Position) Supply Plenum: 13â€ x 16â€ transitioned to 16â€ x 26â€ at the Hydronic Coil Connection, 13â€ Long Return: 24-1/2â€ H x 20-1/2â€ D The Tracks supporting the Ceiling Tiles are removable. Breaker panel in the Sprinkler/Mechanical Room
AC tune Up 3.5 Ton York AC system. 19F temp split. Tested drain. Floral odor may have been caused by filter. Replaced 213 filter. 12Â° Subcool. Completed AC Tune Up form. System is operating well at the time of this tune up.
Performed cooling maintenance, replaced air filter. Cleaned eztrap and drain. Checked voltage, amperage and electrical connections, measured capacitor values. Started air conditioner, checked refrigerant charge and temperature drop across coil.
Precision AC Tune Up: 3.5 Ton Amana AC system. Temp split ok. Replaced filter. Drain and trap ok. All feild/manufacturers wiring ok. Outdoor voltage/compressor amps indoor amps ok. Refrigerant pressures/subcooling/superheat ok. Both coils are in good condition. System is operating well at the time of this tune up.
No cooling for 3.5 ton York AC system. Standing pressure almost zero. Compressor off on internal overload. Cooled compressor. Got approval from Mike DeFank to charge full system.
AC tune up for 2.5 ton York AC system. 16.5 temp split. All field/manufacturers wiring ok. Replaced filter. Cleaned/blew out trap. Indoor Amps/outdoor voltage/compressor amps ok. All electric motors and components ok. Refrigerant pressures/subcooling/superheat ok. System is operating well at the time of this maintenance.
Found all thermostats to 4 indoor heads to trane mini split system displaying e 3 error code. Checked over online Manuel and found that it was a low pressure cut out error code. System was charged up by another company before. Pulled disconect for a full 5 minutes then mini split came back on and has a suction pressure of 128 with all indoor units running. At this time nothing further needs done. Pressures are not low but they will need to keep an eye on the system and if problems whould re occur an extensive leak search will need to be performed.
AC tune Ups for 3 AC systems. All electric motors and components ok. Indoor amps/compressor amps/outdoor voltages ok. Replaced 19x22x1 filter in 3rd floor system. Temperature splits/refrigerant pressures/superheat for 1st and 3rd floor systems ok. All coils are in good condition. Air Handler number 2 had a 14F temperature split when I took first reading. Superheat 45/46 outdoor temp 69 indoor WB 76. Target superheat 38. Charged system, adding 8oz R22 refrigerant pressures/temp splits were at designed values. Filters for AH1 and AH2 ok. Note to Mike and Corey I used the last 19x22x1 filter for AH#3. There is a box of 20x20x1 filters in the basement.
2 AC tune ups. 20F (2nd floor system) and 19F temperature splits. Cleaned EZ trap and replaced filter for 2nd floor system. Filter ok for 1st floor system. All coils are in good condition. All electric motors and components ok. Refrigerant pressures/subcooling/superheat ok. Outdoor voltages/compressor amps/indoor amps ok. Both systems are operating well at the time of this tune up.
AC tune up for 2 ton Daikin minisplit system. Indoor temperature split ok. Only one indoor unit is being used for now. Thermostat/remote ok. Cleaned washable filters. Cleaned debris from around outdoor equipment and back of coil. Outdoor voltage/compressor amps good. System is operating well at the time of this maintenance.
AC Tune up for Watson Dormitory. Air handler has (6) 16x20x2 MERV 13 filters which should be replaced. Cleaned drain with C02. Discussed filter situation with a Mike DeFrank. He will replace MERV 13 filters which are being used while students are residing in dormitories as a COVID 13 measurement. Thermostats/controls are programmed/monitored by Corey. Talked with dorm manager Earl who informed me that error code E3 has been displayed for some time on minisplit thermostats. According to Trane literature E3 is a low pressure cutoff. Earl said another contactor possibly charged system when error code E3 appeared the first time. We will reschedule to investigate/find solution to low pressure problem.
AC tune up for 2 ton Amana AC system. 18F temperature split. Replaced Aprilaire 313 filter. Cleaned EZ trap and drain. All electric motors and components ok. Both coils are in good condition. Refrigerant pressures/subcooling/superheat ok. Outdoor voltage/compressor a,ps/indoor amps ok. System is operating well at the time of this tune up.