Extremely simplistic HP pool heater - Page 2

jeff5may · 10-31-14, 08:59 PM

Search is your friend. I suggest reading the sticky, it explains the process.

Superheat is evaporator outlet temp minus saturation temp. Read outlet temp, calculate sat. temp via suction pressure reading.

Subcooling is condenser outlet temp versus saturation temp. Measure liquid line temp., calculate sat. temp via discharge pressure measurement.

Every unit sold in the USA is required by law to display its refrigerant charge (by weight) on its "dog tag" ID plate.

This window unit has a factory charge of 23.25 oz. of R-22. If it sprung a leak, the repairman would fix the leak, vacuum the system, and refill with 23.25 oz of new refrigerant 22.

WyrTwister · 11-01-14, 03:39 AM

Quote:

Originally Posted by theoldwizard1

You are 100% correct ! This is why it has to be an addon to an existing system and it has to be done inexpensively.

We we are located, pool heat could be used well into June.

Sorry , did not catch the part about it being an add on .

God bless
Wyr

10-31-14, 08:59 PM	#11
jeff5may Supreme EcoRenovator Join Date: Jan 2010 Location: elizabethtown, ky, USA Posts: 2,428 Thanks: 431 Thanked 619 Times in 517 Posts	Search is your friend. I suggest reading the sticky, it explains the process. Superheat is evaporator outlet temp minus saturation temp. Read outlet temp, calculate sat. temp via suction pressure reading. Subcooling is condenser outlet temp versus saturation temp. Measure liquid line temp., calculate sat. temp via discharge pressure measurement. Every unit sold in the USA is required by law to display its refrigerant charge (by weight) on its "dog tag" ID plate. This window unit has a factory charge of 23.25 oz. of R-22. If it sprung a leak, the repairman would fix the leak, vacuum the system, and refill with 23.25 oz of new refrigerant 22.