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87RT-PRC005-EN
Mechanical
Specifications
Powered or Unpowered Convenience
Outlet
This factory-installed option is a GFCI,
120v/15amp, 2 plug, convenience outlet,
either powered or unpowered. When the
convenience outlet is powered, a service
receptacle disconnect will be available.
The convenience outlet is powered from
the line side of the disconnect or circuit
breaker, and therefore will not be affected
by the position of the disconnect or circuit
breaker. This option can only be ordered
when the Through the Base Electrical with
either the Disconnect Switch or Circuit
Breaker option is ordered.
Phase Monitor
Phase monitor shall provide 100%
protection for motors and compressors
against problems caused by phase loss,
phase imbalance, and phase reversal.
Phase monitor is equipped with an LED
that provides an ON or FAULT indicator.
Clogged Filter/Fan Failure Switch
A dedicated differential pressure switch is
available, factory-installed, to achieve
active fan failure indication and/or
clogged filter indication. These indications
will be registered with either a zone
sensor with status indication lights or an
Integrated Comfort™ System. This option
is available for microprocessor controlled
units.
Reference or Comparative Enthalpy
Factory-installed Reference or
Comparative Enthalpy option shall be
available when a factory-installed
Economizer is ordered. This option is
available for microprocessor controlled
units.
High Pressure Cutout
This factory-installed option is offered for
units that do not have High Pressure
cutout as standard. All 3-phase units with
scroll compressors include High Pressure
Cutout as standard.
Hinged Access Doors
Sheet metal hinges are available factory-
installed on the Filter/Evaporator, Supply
Fan/Heat, and the Compressor/Control
Access Doors.
Discharge Air Sensing
This factory or field-installed option
provides true discharge air sensing in
heating models. This sensor is a status
indicator readable through Tracer™ or
Tracker™. This option is available for
microprocessor controlled units.
Oversized Motors
Factory or field-installed direct drive
oversized motors shall be available for
high static applications.
Through the Base Electrical Access
An electrical service entrance shall be
factory provided allowing electrical
access for both control and main power
connections inside the curb and through
the base of the unit. Option will allow for
field installation of liquid-tight conduit and
an external field-installed disconnect
switch.
Through the Base Electrical with
Disconnect Switch
Factory-installed 3-pole, molded case,
disconnect switch with provisions for
through the base electrical connections
are available. The disconnect switch will
be installed in the unit in a water tight
enclosure with access through a swinging
door. Factory wiring will be provided from
the switch to the unit high voltage
terminal block. The switch will be UL/CSA
agency recognized. Note: The disconnect
switch will be sized per NEC and UL
guidelines but will not be used in place of
unit overcurrent protection.
Through the Base Electrical with Circuit
Breaker
This option is a factory-installed, thermal
magnetic, molded case, HACR Circuit
Breaker with provisions for through the
base electrical connections. The circuit
breaker will be installed in a water tight
enclosure in the unit with access through
a swinging door. Factory wiring will be
provided from the switch to the unit high
voltage terminal block. The circuit breaker
will provide overcurrent protection, be
sized per NEC and UL guidelines, and be
agency recognized by UL/CSA.