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2 lists · 11 items · 17 photos

Packaged terminal air conditioner (PTAC) maintenance checklists

Packaged terminal air conditioner (PTAC) maintenance checklists for the quarterly and annual rounds: 2 free lists, 11 items and 17 photo requirements, each item naming what to look for and the photo that proves it.

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The packaged terminal air conditioner (PTAC) rounds

Packaged terminal air conditioner (PTAC) QuarterlyPackaged terminal air conditioner (PTAC) quarterly maintenance checklistFilter, condensate slinger, coil faces and the wall seal checked room by room on the quarterly round6 items9 photosPackaged terminal air conditioner (PTAC) AnnualPackaged terminal air conditioner (PTAC) annual maintenance checklistChassis pulled to deep-clean both coils, the blower wheel and the pan and to re-seal the sleeve on the annual5 items8 photos

Where each walk sits in the schedule

Packaged terminal air conditioner (PTAC) quarterly maintenance checklistquarterly
Every quarter, walked with the room list so an occupied room gets caught on the next pass instead of skipped for the year. Run by: The maintenance tech working the guest rooms or unit-by-unit round, one PTAC at a time between turnovers.
Packaged terminal air conditioner (PTAC) annual maintenance checklistannual
Once a year in a shoulder season, deep enough to reach the fouling on the blower wheel and the back of the coils that the front-grille filter change never touches. Run by: The HVAC service tech on the annual, with the room out of service long enough to slide the chassis from the sleeve.

What most often fails on a packaged terminal air conditioner (PTAC)

  • Filter left loaded because the room was occupied on three straight rounds, so airflow drops and the guest turns the setpoint to the stop instead of calling it in.
  • Condensate slinger ring caked or the drain path plugged, so water sheets off the base pan and stains the wall under the sleeve or drips onto the sill outside.
  • Foam gasket around the wall sleeve crushed or missing, so outside air and rain track in around the chassis and the unit can never hold the room.
  • Coils rinsed only from the front while the packed dirt between the indoor and outdoor coil sections stays, so capacity never comes back and the compressor runs hot.
  • Blower wheel left caked with the film the filter let past, quietly costing half the airflow that a clean filter is credited with restoring.
  • Chassis reinstalled without re-seating the sleeve gasket, so the room takes on outside air and the unit short-cycles chasing a load that leaks straight back in.

Common questions

Which packaged terminal air conditioner (PTAC) maintenance rounds do these checklists cover?
Packaged terminal air conditioner (PTAC) quarterly maintenance checklist (quarterly): Every quarter, walked with the room list so an occupied room gets caught on the next pass instead of skipped for the year. Packaged terminal air conditioner (PTAC) annual maintenance checklist (annual): Once a year in a shoulder season, deep enough to reach the fouling on the blower wheel and the back of the coils that the front-grille filter change never touches.
Who runs the packaged terminal air conditioner (PTAC) maintenance round?
The maintenance tech working the guest rooms or unit-by-unit round, one PTAC at a time between turnovers. The HVAC service tech on the annual, with the room out of service long enough to slide the chassis from the sleeve.
What most often fails on a packaged terminal air conditioner (PTAC)?
Filter left loaded because the room was occupied on three straight rounds, so airflow drops and the guest turns the setpoint to the stop instead of calling it in. Condensate slinger ring caked or the drain path plugged, so water sheets off the base pan and stains the wall under the sleeve or drips onto the sill outside. Foam gasket around the wall sleeve crushed or missing, so outside air and rain track in around the chassis and the unit can never hold the room. Coils rinsed only from the front while the packed dirt between the indoor and outdoor coil sections stays, so capacity never comes back and the compressor runs hot.
Can I run these checklists in RTI?
Yes. Start a free RTI workspace and load any of the 2 lists (11 items in total). The Photo Gate holds the submit button until every mandatory item is answered and its photos are attached, and approved inspections roll into a branded turnover package with a tamper-evident audit trail.

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