Lesson 1Protecting sensors, controls, and electrical parts: covering strategies, using low-pressure sprays, and non-conductive cleanersThis shows finding touchy sensors, boards, wires, cover them, pick no-shock cleaners, low-spray, check power and control parts stay dry and work after wash.
Locating sensors and control componentsCovering and shielding electrical partsSelecting non-conductive cleaning productsUsing low-pressure spray and mistingPost-cleaning inspection of electronicsLesson 2Drain pan and condensate drain procedures: manual removal, chemical flushing, enzyme treatments, mechanical clearing, and trap and p-trap inspectionThis details drain pan check, hand sludge take-out, chemical enzyme wash, line flush clear, trap looks to stop leaks, smells, germ grow in bakeries.
Inspecting pans for rust, slime, and leaksManual removal of sludge and debrisChemical flushing and enzyme dosingMechanical clearing of blocked drainsTrap and p-trap inspection and primingLesson 3Isolation and setup: lockout/tagout steps, turning off indoor fan and outdoor unit, and verifying isolationThis teaches shut-off setup before clean, lockout tagout, indoor fan outdoor stop, zero power check, ready seal, drain, entry gear for safe clean work.
Lockout/tagout for indoor and outdoor unitsVerifying fan and compressor shutdownConfirming isolation and zero energySetting up sheeting and containmentPositioning ladders and access toolsLesson 4Blower wheel, housing, and motor cleaning: safe access, brush/vacuum methods, disinfectant application, and preventing motor contaminationThis shows safe reach to fan wheel, case, motor with lockout guard balance, then brush suck ways, germ spray use, tricks to block wet chemical in motor.
Isolating and accessing blower assembliesDry brushing and HEPA vacuum techniquesDegreasing and disinfecting blower partsPreventing moisture entry into motorsRebalancing and spin testing the blowerLesson 5Filter removal, inspection, cleaning, and replacement: washable vs disposable filters, vacuuming, detergent wash, sanitizing, drying, and labelingThis teaches safe take-out, check, wash, germ-kill, dry, put-back filters in wall splits, compare wash reuse vs throw, label to track state change times.
Identifying washable vs disposable filtersSafe filter removal from wall unitsVisual inspection and defect criteriaVacuuming and detergent washing methodsSanitizing, drying, and labeling filtersLesson 6Protecting bakery operations: covering equipment, removing/covering food, and scheduling to minimize downtimeThis focus guard bakery work in AC clean by cover ovens mixers shows, move seal food, handle sprays runoff, time work cut stop time, link with staff cycles.
Covering ovens, mixers, and displaysRemoving or sealing exposed food itemsManaging overspray, runoff, and debrisScheduling work around bake cyclesCommunicating plans with bakery staffLesson 7Drying, reassembly, and component verification: air movers, moisture checks, filter reinstall, and sealing access panelsThis covers dry control with air pushers, wet checks on coils pans wraps, right filter back, seal secure entries, unit test, note clean results for bakery records.
Using air movers for targeted dryingMoisture checks on coils and insulationCorrect filter orientation and seatingSealing and fastening access panelsOperational testing and documentationLesson 8Evaporator coil cleaning: access, foam and non-foaming cleaners, contact time, coil-safe detergents, fin protection, and rinsing strategiesThis covers safe reach to cold coils, pick foam no-foam washes, right wait, safe coil soaps, fin straight guard, control rinse no water push overspray.
Gaining safe access to evaporator coilsChoosing foam vs non-foaming cleanersDetermining proper chemical contact timeProtecting and straightening delicate finsControlled rinsing and runoff management