Have you tried checking the needle and seat in the carb. Sounds like it may be sticking closed. Best way to check this is to remove float bowl and move the float up and down by hand. if needle moves then it should be ok if not try pulling it out of main jet and blow air into it.
Suction superheat is the heat added to the refrigerant above that required to change its state from liquid to vapour (as happens in the evaporator). This heat is added both in the evaporator, in the suction line and (where applicable) in the suction accumulator.Discharge superheat is suction superheat plus heat of compression, and must be removed in the condenser before condensation, the change of state from vapour to liquid, can occur.The HVAC Veteran
The easiest, and cheapest way is to turn the suction valves off to everything but the suspected skimmer, if your pump bowl stays full of water, it is fine, if it automatically looses suction, then you have either a break or a blockage. Put a plumbers helper in the suction side of your pump pot and blow whatever blockage you have towards the skimmer. A snake will not work here because your skimmer actually has vacuum (negative) pressure unlike a sewer line,which is not a pressurized line. tritonunderwater.com
1. PRIMING LOSS: This is the suction loss for a pump whose NPSH is (-ve)2. CAVITATION: It is also suction loss by forming cavity of a volatile liquid whose NPSH(a) is belowNPSH(r) eg..Choking or blockage of suction strainers, closing of suction valve of apump when running.3. VAPOUR LOCK: This is also loss of pumping due to blockage in discharge of a pump..closing of discharge valve and running for more time..running the pump with in adequate minimum flow..liquid above boiling pointHence Cavitation, Vapour Lock and Primimng loss are different
IT COULD THAT YOUR SYSTEM IS EITHER OVERCHARGED OR UNDER CHARGED. ALSO CHECK YOUR FURNACE FILTER.AND MAKE SURE YOUR OUTDOOR UNIT is clear of dirt and obstructions. --------------------------------------------------------------- There are several reasons for a compressor to overheating High compression ratios are the result of either lower than normal suction pressures or higher than normal discharge pressures. Changes in suction pressure will affect the compression ratio more rapidly than changes in the discharge pressure. For this reason, it is important to keep the suction pressure at its highest possible value. Causes of low suction pressure can include incorrect sizing of components, misadjusted or defective metering devices (TXVs), loss of refrigerant charge, plugged driers or strainers, and excessive suction line pressure drop. Although not as sensitive to change as the suction pressure, the discharge pressure can still greatly affect the compression ratio. Keeping the discharge pressure within normal operating conditions is still important. Causes of high discharge pressure can include dirty condensing coils, undersized discharge line, a blockage or recirculation of condenser air, erratic condenser fan operation, refrigerant overcharge, noncondensibles in the system, and an undersized condenser.
As the reciprocating pump operates through the reciprocation of the follower, it guides the suction and the compression of the water in the pipe. That's so when the rotary motion of the rotor blade is converted into the reciprocating motion, which delivers it to the reciprocating pump, the suction and discharge takes place.
As the reciprocating pump operates though the reciprocation of the follower,it guides the suction and the compression of water in the pipe.That's so when the rotary motion of the rotor blade is converted into the reciprocating motion, which deliver it to the reciprocating pump, the suction and discharge takes place.
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