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15
3.5 Water Pump Connection
How do I connect up my new
EVO heater to my pool or spa?
The EVO JBox is the answer. The JBox
will save you money on water pumps
and running costs.
The JBox allows either the heater
OR the chlorinator to supply power
to the water pump so each system
can run independently of the other.
Installation Options
There are 3 methods to install an
Evo heat pump.
1.
Slave Mode
Heater is connected to the filtration
system but relies on water flow from
the chlorinator for start and stop times.
Advantages
•
Only 1 pump needed – savings on
purchase and running costs.
Disadvantages
•
As the heater may need to run
18+hrs a day the chlorinator will
need to be adjusted to allow the
pump to run longer. This can
cause water chemical balance
issues resulting from over or
under chlorinating the pool. You
will need to constantly monitor
and fiddle with the chlorinator
output to keep it.
2. Seperate Systems
Heater runs on a dedicated circuit
to the filtration system. The heater
controls the start and stop times
of this pump.
Advantages
•
Easy to use – set and forget the heater operation and leave your chlorinator to
work as normal
•
No water balance issues due to adjusting the chlorinator running time.
Disadvantages
•
Purchase of 1 extra water pump at up to $800
•
Electrical use from this pump could add up to over $1000 per year
3. EVO JBox
Heater is connected into the filtration plumbing. After installing the Evo JBox and having your
electrician hard wire the JBox to the heater, simply plug the water pump into the JBox and
plug the JBox into the Chlorintor.
Advantages
•
Only 1 pump needed – savings on purchase and running costs
•
Save up to $1000pa on electricity
•
Easy to use – set and forget the heater operation and leave your chlorinator to
work as normal
•
No water or chemical balance issues due to adjusting the chlorinator running time
Disadvantages
•
None!
Order an EVO JBox with your heater and relax in your pool while maximising the savings.
3.6 Drainage
Whilst the heater is operating, water in the air condenses on the fins of the evaporator. In
the instance of high humidity, the condensate may be several litres per hour. This may give
the impression that the heater is leaking, however this is a normal function of heat pumps.
The heater will automatically activate reverse cycle or de-icing mode when required which
also increases condensate discharge. This normally occurs at temperatures below 8 degC.
The condensate water will discharge through the base of the heater. As an option a pipe
can be connected to the drain on the base of the unit to direct condensate water to an
appropriate location.
Typical Plumbing Layouts
Pool
Chlorinator
Heater
Filter
3 way
valve
Slave Mode
Electrical Control
Heater
Bypass
Pool
Filter
Chlorinator
Heater
Electrical
Control
Electrical
Control
3 way
valve
Heater
Bypass
Pool
Chlorinator
Heater
JBox
Filter
Electrical
Control
3 way
valve
Heater
Bypass
1. Slave Mode
2. Separate Systems
3. Evo JBox
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