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QUESTIONS AND ANSWERS
1) Is it possible that my pool is losing water since my pool heater was installed?
-Your pool is not losing water, but because the pool water is at a higher temperature, there
is more evaporation. When the difference of temperature between the pool water and the
surrounding air is increased, more evaporation happens.
2) Some water drops beside my pool heater, does my pool heater have a leak?
-It probably does not. The water droping from your pool heater must come from
condensation of the humidity on the evaporator of your pool heater, just as condensation forms
on a cold water glass for example. But, if you really think a leak could be present in your pool
heater and want to be sure, you can stop the filter pump and the pool heater, or stop the pool
heater and use the by-pass set of valve to prevent water from accessing your pool heater. Wait
until the water evaporates beside the pool heater and have the water circulates again into the
pool heater without putting the pool heater on. If water drops, it comes from a leak, not from
condensation.
3) My pool heat pump indicates a temperature that is different from the temperature
indicated on my pool thermometer. Does my pool heat pump have a problem?
-Chances are that it does not. Your pool heat pump features calibrated digital control and
sensors. Most of the time, the problem comes from the pool thermometer. Even though the
mercury thermometer is precise, its box is not and the thermometer is often not in line with the
graduations written on the box. In this condition, the thermometer reads a temperature higher or
lower than the real pool temperature. To measure the temperature of water, you can use a mouth
thermometer on which the graguations are written directly.
-When the pool features a bottom drain, it is possible that the pool heater shows a
temperature 1 or 2 degrees lower than what is measured on surface. This situation is normal
since the water at the bottom of a pool is always cooler than on surface.
4) Since the installation of my pool heat pump, the pressure in my filter pump has risen,
is it normal?
-Yes. The new heat pump, as well as the new tubing, is an added resistance to the water
flow. Therefore, it is normal to have a rise of the pressure of 5 to 7 psi after the installation of a
new pool heat pump.
5) Why isn’t the pool water heating as my pool heat pump is working?
-3 cases exist as the pool heat pump is functioning:
The heat pump provides more energy than the pool is losing, the temperature rises.
The heat pump provides as much energy as the pool is losing, the temperature is stable.
The heat pump provides less energy than the pool is losing, the temperature lowers.
We should not forget that the pool heat pump efficiency varies with the operation conditions
and that the energy losses of the pool are relative to the outdoor temperature, to the wind, to the
size of the pool and to many other factors.