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29TWE5-PRC000-EN
Mechanical
Specifications
General
Blower coil units shall be completely
factory assembled including coil,
condensate drain pan, fan, motor, filters
and controls in an insulated casing that
can be applied in horizontal or vertical
configuration.
This new line of TWE-C air handlers
provides exclusive compact size
combined with simple four-way
convertibility in three sizes. The unit
ships in the right hand horizontal
configuration and converts to vertical
upflow just by standing the unit on end.
No tools required. Simple coil rotation
provides downflow and horizontal left
applications.
The four-way convertibility provides you
inventory benefits and service/
installation flexibility. The simple
conversion provides opposite side
access for installation and service.
Casing
Units shall have rugged sheet metal and
steel frame construction and shall be
painted with an enamel finish. Casing
shall be insulated and knockouts shall be
provided for electrical power and control
wiring.
Refrigerant Circuits
The TWE units shall have a single
refrigerant circuit. TWE03-040C
refrigerant circuit shall be controlled by a
flow control check valve (FCCV). The
TWE050C refrigerant circuit shall be
controlled by a factory-installed thermal
expansion valve.
Coil
Aluminum fin surface shall be
mechanically bonded to
3
/8-inch OD
copper tubing. Coils shall be factory
pressure and leak tested.
Fan
Forward curved, dynamically and
statically balanced with three-speed
direct drive shall be standard, fan motor
bearing shall be permanently lubricated.
Controls
Fan contactor, and plug-in module for
accessory electric heat control shall be
included. TWE models shall also include
check valves.
Filters
Filters shall be included as standard.
Accessories
Electric Heaters — Shall be available in a
wide range of capacities and voltages
with various staging options and plug in
control wiring. Heaters shall fit inside
internal compartment.