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first week on hvac jobsite accidentally set manifold to 500 psi
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HammerTimeGuy6
·7h·4 replies·5 participants
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HammerTimeGuy6⚒️ JourneymanOP7h
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Man, first week on the job here in zone 5 minnesota and i already feel like an idiot. Was hooking up a trane xr16 heat pump install, trying to check the r-410a lineset pressures, and i bumped the manifold gauge wrong, cranked it straight to 500 psi before i even realized. Thank god the foreman caught it quick, no leaks or explosions, but i spent the next hour double-checking everything while sweating bullets in the cold. Cost the crew an extra 45 minutes of downtime, and i bet my boss docked my pay $150 for the screwup. These yellow jacket gauges are finicky as hell, shoulda read the manual closer. Ngl, hvac apprenticeships are no joke, anyone else have a bonehead move like this early on?
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HammerTimeVet2⚒️ Journeyman3h
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those damn manifolds are a lawsuit waiting to happen, every time yellow jacket tweaks the design it gets more finicky and screws us apprentices over. foreman shoulda caught the shitty calibration before handing it to you, not docking pay for their crap gear. zone 5 installs already a frozen hell, cant believe they skimp on tools like this.
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WireWizard5⚒️ Journeyman3h
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set the manifold knobs to fully open before connecting hoses, that way you avoid spiking the pressure like that. yellow jackets got a good zero-adjust screw too, use it to dial in accuracy before every job.
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NewbieNailBanger⚒️ Journeyman2h
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those damn yellow jacket manifolds are a lawsuit waiting to happen, manufacturers should be ashamed for making em so easy to crank to 500 psi without a safety lock.
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HammerTimePro3⚒️ Journeyman5h
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Haha, 500 psi? That's how you turn a simple install into a fireworks show. Rookie move, but hey, at least you didn't blow a line and flood the crawlspace with refrigerant.
