5219967-UTG-A-0716
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Johnson Controls Unitary Products
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Full Perimeter Base Rails -
The easily removable base rails
provide a solid foundation for the entire unit and protects the
unit during shipment. The rails provide fork lift access from all
sides, and rigging holes are also provided so that an over-
head crane can be used to place the units on a roof. On
applications where the unit is placed on a pad, the base will
keep the unit off the pad to deter corrosion. On applications
where height is limited, the base rails may be removed by
removing 2 screws in each corner.
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More Attractive Appearance -
A single-piece top cover
containing a top-discharge outdoor fan arrangement requires
less square footage on installation and provides a wider vari-
ety of installations. The one-piece design adds greater water
integrity. Rounded corners with water drip edges add to the
attractive appearance.
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Top Discharge -
The top-discharge outdoor fan does not
disrupt neighboring areas or dry out vegetation surrounding
the unit. The warm air from the top mounted fan is blown up
and away from the structure and any landscaping. This
allows compact location on multi-unit applications.
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Outdoor Coil Grille -
All models utilize a stamped slotted
design which provides superior impact protection against
small objects during transit and after installation.
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Low Operating Sound Level -
The upward air flow carries
the normal operating noise up and away from the living area.
The rigid top panel effectively isolates noise. Isolator
mounted compressor and the rippled fins of the outdoor coil
muffle the normal fan motor and compressor operating
sounds. The uniquely formed base pan also aids in sound
attenuation with its structural design. This design strategi-
cally places embossments in the pan for optimum strength
and rigidity.
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Fan System -
All models operate over a wide range of
design conditions with an enhanced ECM indoor fan motor.
These units easily match all types of applications and pro-
vide greater on-site flexibility to match comfort requirements.
The cooling speed is factory-set and can be field-adjusted to
a second speed. The heating speed is factory set to maintain
mid point rise at the units heating input, but can be field
adjusted. This allows maximum comfort conditions.
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Simple Control Circuit -
A low voltage gas heat printed cir-
cuit board contains a status/diagnostic indicator light. Field
thermostat wiring connects to color coded leads using twist
on wire connections. Cooling controls use contactor and
relays for simple application and troubleshooting. Mate-n-
lock plug connectors are used. The electrical control box is
not located in the compressor compartment. The controls are
mounted to allow the separate access panel to be removed
for trouble shooting and maintenance without affecting the
normal system operating pressures. All wiring internal to the
unit is color/number coded.
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Protected Compressor -
The compressor is internally pro-
tected against high pressure and temperature. This is
accomplished by the simultaneous operation of high pres-
sure relief valve and a temperature sensor which protect the
compressor if undesirable operating conditions occur.
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Pressure Switches -
A high pressure switch is standard in
all units. It is an automatic reset switch. When discharge
pressure reaches 650 psi, the compressor de-energizes until
pressure reaches 450 psi.
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Exclusive Coil Design -
Grooved copper tubes and
enhanced aluminum fin construction improves heat transfer
for maximum efficiency and durability for long-lasting durabil-
ity and efficient operation. Indoor coils use tin-coated copper
tubing with aluminum fins for effective heat transfer.
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Heat Exchangers -
Gas heat exchangers use corrosion-
resistant, stainless-steel tubular construction to provide long-
life, trouble-free operation. Gas heat exchangers are offered
with lifetime warranties as standard with registration.
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Post Purge Induced Draft Combustion -
Exhausts com-
bustion products from the heat exchanger upon completion
of the heating cycle to prolong the heat exchanger life.
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Spark To Burner Ignition -
No pilot assembly required,
which provides more consistent ignition in gas heating mode.
This ignition is highly reliable, durable and eliminates nui-
sance lockouts.
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Multi Port In-shot Burners -
No field adjustment is required
to mix the air and gas for natural gas or propane use. These
burners are constructed of high-grade corrosion-resistant,
aluminized steel.
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Low Maintenance -
Long life, permanently lubricated out-
door and evaporator fan motor bearings need no annual
maintenance, adding greater reliability to the unit. Slide-out
blower assembly can be easily removed for cleaning.
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Easy Service Access -
Individual access panels covering
the electrical and gas controls makes servicing easy. Remov-
ing this panel will allow easy removal of the blower assembly
for maintenance and ease of troubleshooting.
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Replacement Parts -
The installer requires no special train-
ing to replace any of the components of these units and the
number of new components have been reduced to minimize
the inventory of unique parts.
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Loss of Charge Sensor (S1-2LC00024) -
Kit provides Loss
of Charge sensor and wiring to provide safe shutdown of
compressor.
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Transition Curb Kits (S1-1TC01*) -
Adapter kits to allow
field use of pre-existing installed roof curbs to match PH*6
footprint to Affinity roof curbs, Carrier, Trane, or Goodman
curb footprints. Curb adapters are optional for current gener-
ation Carrier replacements but are recommended for previ-
ous generation applications. Refer to the PC*6 price pages
for more details.
