6
Automatic Chlorinators
and Chemical Feeders
All chemicals must be introduced and completely diluted
into the pool or spa water before being circulated through
the heater. Do not place sanitizing chemicals in the
skimmer. High chemical concentrations will result when
the pump is not running (e.g. overnight).
Table A. Pool Water Chemistry
3. BEFORE INSTALLATION
A
A
WARNING:
This heat pump pool heater is an
electromechanical machine that incorporates a
pressurized refrigerant gas in a sealed system. ONLY
trained and qualified service personnel are authorized to
install or service this equipment. Without proper training
and knowledge of such equipment, any attempt to install
or service the unit could result in serious injury or even
death.
This manual contains important information on the use,
maintenance and troubleshooting of your new heat pump
pool heater. This unit must be properly installed, maintained
and operated for optimal performance.
This heater is an extremely efficient, economical machine
designed specifically for pool heating. It is similar in design
and operation to a typical residential air conditioning
system. The unit employs a hermetic motor/compressor
operating in a refrigeration cycle to extract heat from
ambient air and deliver it to the circulating pool water.
As with all heat pump pool heaters, and compared to
other types of heaters such as gas or oil-fired, this heater
has lower BTU/hr heating capacity. As a result, it will be
required to operate longer to accomplish the desired
results. It may, at certain times, operate as much as 24
hours per day. However, this should not be of concern
to the owner, because the unit is designed to operate
continuously. Even though it may operate continuously for
many hours, it will still heat the pool with greater economy
than other types of fossil fuel heaters.
Place a recommended cover over the pool at night and
other non-use periods. This will keep evaporation, the
main cause of main heat loss, to a minimum, and will
greatly reduce pool heating costs. During warmer weather,
the cover may be required only at night.
INSTALLATION
Installation Considerations
Locate the heater carefully to minimize installation costs
while providing maximum efficiency of operation, and to
allow adequate service access, as follows:
For unrestricted air intake and service access, position
each side of the unit according to
A
A
WARNING:
This unit is designed for outdoor
installation; DO NOT install it in an enclosed area such
as a shed or garage.
To minimize water piping, locate the unit as close as
possible to the existing pool pump and filter.
Irrigation water should be directed away from the heater as
irrigation water spray can damage the heater.
Rain water run offs - the unit is designed to operate
outdoors and can be exposed to rain. However, rain water
run off falling directly onto the unit can cause damage and/
or shorten the life of your unit. This may also void your
warranty. Install rain gutters or rain diverters on your roof
if the unit is installed in a position where contact with rain
run off may occur.
Recommended Level(s)
Fiberglass Pools
Fiberglass Spas
Other Pool and Spa Types
Water Temperature
68-88°F (20-31°C)
89-104°F (31-40°C)
68-104°F (20-40°C)
pH
7.3-7.4
7.3-7.4
7.6-7.8
Total Alkalinity (ppm)
120-150
120-150
80-120
Calcium Hardness (ppm)
200-300
150-200
200-400
Salt (ppm)
4500 Maximum
4500 Maximum
4500 Maximum
Free Chlorine (ppm)*
2-3
2-3
2-3
Total Dissolved Solids (ppm)
3000 Maximum**
3000 Maximum**
3000 Maximum**
*Free Chlorine
MUST NOT EXCEED 5 ppm!
**In saltwater chlorinated pools, the total TDS can be as high as 6000 ppm.
Chlorinators must feed downstream of the heater and
have an anti-siphoning device to prevent chemical backup
into the heater when the pump is shut off.
See plumbing diagrams starting with
.
NOTE:
High chemical concentrates from feeders and
chlorinators that are out of adjustment will cause rapid
corrosion to Modehe heat exchanger. Such damage is
not covered under the warranty.
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