aquatherm Calorex AT500 Manuale di installazione e funzionamento - Pagina 9

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heater to remain off for a few hours. If the water draining from the heater has slowed

considerably, this would indicate that the water present was from normal condensa-

tion. If the water has not slowed, this would indicate a leak.

It is important to keep the drain holes located around the bottom of the unit clean and

free of debris that might accumulate. Keep plants from growing near or next to your

heater. Shrubs, especially, block air from entering the machine and reduce the efﬁ-

ciency of the heater. Eventually, this can cause damage to the unit if left uncorrected,

Keep all shrubs at least 1 foot away from the outer coil of the heater.

SURROUNDINGS

While the heat pumps are made for an outdoor environment, they are not designed

to have sprinkler water constantly spraying them. Water used to irrigate can contain

iron and other minerals that can coat the heat collectors, causing poor heat transfer or

eventually damaging the air coils and other internal components. Premature rusting

of components is a frequent symptom of the sprinkler system striking the unit and is

not covered by the warranty.

POOL BLANKETS

A pool blanket will signiﬁcantly reduce your heating bills. You should check with

the installing dealer to see if your heat pump was sized to be used in conjunction with

a solar blanket or without one. Blanketed pools will typically lose only 2-4° of heat

per night versus 8 - 10° overnight in unblanketed pools. Reductions of 40-60% on

heating bills can be achieved by using solar blankets.

10.

SEASONAL SHUT DOWNS

During the swim season, even if the pool or spa is not in use, allow water to ﬂow

through the unit. This eliminates the possibility of chlorine gas from your chlorinator

accumulating inside the heat exchanger.

See page 4 - C3

11.

WATER TREATMENT

AT500 Aquatherm Heat Pump is equipped with an internal bypass that allows only

the proper amount of water to ﬂow through the heat exchanger. A Hartford Loop

MUST be installed between any chlorinator and the heat pump (see drawing on page

4).

Chlorinators must be installed downstream of the heat pump. The proper sequence

of installation is: pool pump - ﬁlter - heat pump - chlorinator (or other chemical

feeder device). Locating a chlorinator in any other manner may compromise the

warranty of your heat pump. Adding chemicals such as sanitizers or pH controllers

through the skimmer of your pool should be avoided. Not only can they damage the

heat pump, but other pool or spa equipment such as pumps and ﬁlters as well.

Suction type sanitizers that utilize the vacuum created in the pool pump strainer to

pull chemicals into the water are safe to use when installed in accordance with the

manufacturer's instructions. The chemicals injected into the pool water before the

pool pump are well dispersed by the time they go through the heat pump and will not

cause harm when operated as per the manufacturer's instructions.