Manualshelf

Service Instructions

ManualsBrandsGoodman ManualsCentral Air & Heating3.5 Ton 14.5 SEER 92% AFUE 100,000 BTU Gas Furnace and Air Conditioner System - Upflow
71727374757677787980
SYSTEM OPERATION
79
RESTRICTOR ORIFICE ASSEMBLY IN
COOLING OPERATION
RESTRICTOR ORIFICE ASSEMBLY IN
HEATING OPERATION
In the cooling mode, the orifice is pushed into its seat,
forcing refrigerant to flow through the metered hole in
the center of the orifice.
In the heating mode, the orifice moves back off its seat,
allowing refrigerant to flow unmetered around the
outside of the orifice.
EXPANSION VALVE/CHECK VALVE ASSEMBLY IN
COOLING OPERATION
EXPANSION VALVE/CHECK VALVE ASSEMBLY IN
HEATING OPERATION
Most expansion valves used in current Amana
®
Brand Heat Pump products
use an internally checked expansion valve.
This type of expansion valve does not require an external check valve as shown above.
However, the principle of operation is the same.