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NATE: HEAT PUMPS QUESTIONS AND ANSWERS

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NATE: HEAT PUMPS QUESTIONS AND ANSWERS

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NATE: HEAT PUMPS QUESTIONS AND
ANSWERS




What70is70the70purpose70of70the70reversing70valve70on70an70air-to-air70heat70pump:70-
70answer--
It70changes70the70flow70of70the70refrigerant,70making70the70indoor70coil70the70condenser7
0during70the70winter70months


On70a70reversing-valve70solenoid,70what70is70connected70to70the70top70tube:70-
70answer--the70compressor70discharge70line


On70a70reversing-
valve70solenoid,70what70is70connected70to70the70bottom70center70tube:70-70answer--
the70compressor70suction70line

What70pressure70difference70must70be70between70the70low70side70and70the70high70side70
of70the70heat70pump70system70for70the70reversing70valve70to70operate70properly:70-
70answer--7570psig


Where70are70the70check70valves70located70on70an70air-to-air70heat70pump:70-70answer--
on70the70outdoor70coil70and70indoor70coil

How70are70the70check70valves70connected70in70a70heat70pump70system:70-70answer--
in70parallel70with70both70metering70devices+in70series70with70one70metering70device70an
d70parallel70with70the70other

A70ball-type70check70valve70must70be70installed:70-70answer--
vertically,70with70the70seat70on70the70bottom70of70the70valve

When70installing70a70ball-
type70check70valve,70what70must70be70done70to70prevent70warping:70-70answer--
A70heat70sink70must70be70used70when70brazing70it70into70the70line

Where70is70the70accumulator70located70on70a70heat70pump70system:70-70answer--
between70the70bottom70center70tube70of70the70reversing70valve70and70the70compressor

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