3
The equipment is protect-
ed by a standard limited
warranty under the cond-
ition that initial installat-
ion, service, start-up and
maintenance is performed
according to their instru-
ction set forth in this manual. This manual should be
read in its entirety prior to installation and before
performing any service or maintenance work. Equip-
ment description in this manual is available with
various optional accessories. If you have question after
reading this manual in its entirety, consult other fac-
tory documentation or contact your Sales Represent-
ative to obtain further information before manipulating
this equipment or its optional accessories.
This unit must not be used at any time during any
phase of construction. Very low return temperatures,
harmful vapors and misplacement of the filters will
damage the unit and its efficiency.
1. Description
General
HPX Water Source Heat Pumps are designed for high effi-
ciency, durability, and easy service. Units are designed to
minimize possible component damage if a problem occurs.
The HPX water source series single packaged unit consists of
a high efficiency compressor, air to refrigerant evaporator
coil, water to refrigerant condenser coil, expansion valve,
reversing valve, centrifugal blower, high efficiency motor, a
control panel with all necessary protection devices and
safety circuit.
Units are designed to operate with an entering water temp-
erature between 50
0
F and 100
0
F (suitable for a cooling
tower/boiler application) but an extended range is available
down to 25
0
F for Geo-Thermo applications (for a Geo-
Thermo application sufficient anti-freeze solution is to be
used to avoid freezing of the heat exchanger and/or the
water lines.
In the cooling mode, heat is ejected from the heat pump
into the source water loop. A cooling tower provides
evaporative cooling to the loop water thus maintaining a
constant temperature to the unit. When utilizing open
cooling towers, chemical water treatment is mandatory to
ensure the water is free from corrosive minerals. In the
heating mode, heat is absorbed from the source water
loop and puts into the refrigeration circuit through the
heat exchanger.
Important
1.
For ground water applications (wells, lakes,
etc.) entering water temperature should be
no less than 50
0
F.
2.
Water flow rate should match the rate speci-
fied for the unit.
For Geo-Thermo and other
applications where water may
reach freezing temperatures,
sufficient anti-freeze solution is
to be used to avoid freezing of
the heat exchanger and/or the
water lines. Damage due to
freezing is not covered under
warranty.
