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Piston Size Chart R410A

Piston Size Chart R410A - Web information from r410a 14 seer ac/hp document. Web information from r410a 13 seer ac/hp document. Therefore none of the 5 ton outdoor models show an indoor piston size. Generally you should ignore the orifice size listed on the indoor coil, and go with what the outdoor unit calls for, which in this case is a txv. Most units are shown as the root unit. Noticed indoor furnace stated r22 with a 76 piston. Web piston sizing is only a concern for heat pump heating operation. (1) correct piston is supplied with the outdoor unit. You really should install a txv. The correct piston orifice size for a 3 ton system is.068”.

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The Correct Piston Orifice Size For A 3 Ton System Is.068”.

Most units are shown as the root unit. Would this alone cause issues or could it work fine.unit cools but suction/coil temp low. If preinstalled piston replace required. Ask the tech to see the indoor coil / outdoor unit match on the manufacturer's published literature for that unit.

It Will List The Correct Piston Size To Be Properly Used.

Piston size / txv valve model. Sign in for pricing and availability. Btuhs and orifice sizes are equal for revised units, unless otherwise noted. If preinstalled piston replace required.

Hvac Technicians Refer To Pistons By The Last Two Numbers.

For all other indoor combinations, piston must be purchased from distributor. Noticed indoor furnace stated r22 with a 76 piston. A.080 piston is used in a 4 ton r410a system. Follow piston change recommendations in this guideline for proper heat pump heating operation (see table 12 and table 15).

Web Piston Sizing Is Only A Concern For Heat Pump Heating Operation.

What’s a 93% air handler? I will go back & make adjustments! Coil btu's size part no. Therefore none of the 5 ton outdoor models show an indoor piston size.

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