Carrier 52S Architects And Engineers' Manual page 17

Lateral Duct Kit
Part No.: LAT-DUCT-PLENUM (Adapter Plenum)
Part No.: EXTENSION-DUCT (Extension)
The accessory lateral duct kit allows one unit to heat
or cool two rooms. The kit provides substantial sav-
ings for apartments, hotel suites, and office suites by
eliminating the need for separate units for every room.
The amount of air that can be diverted to an adjoining
room is adjustable from 10 to 40 percent.
The lateral duct kit consists of two separate packages,
the plenum and the extension duct. The kit mounts to
the wall sleeve and allows either right or left side duct-
ing. Consider the following when designing a ducted
application.
1. The maximum extension of the duct length is 3 feet.
2. The duct run must be straight and horizontal; no
bends or turns.
3. The minimum recommended clearance between the
unit and the adjoining room wall is 6 inches.
4. You must provide for return air from the adjoining
room.
5. Carrier 52S units are not qualified for use with any
other ducting scheme.
See page 22 for more information.
NOTE: Lateral Duct Kit includes wall register for
external duct.
Security Door Kit
Part No.: SECURITY-DOOR
This key-locking security door kit prevents unautho-
rized access to the unit's heating and cooling controls
and prevents tampering with units in public locations
and institutions. This field-installed accessory includes
two matching keys and fits all Carrier 52S models.
Keys are common to all Security Door kits.
Manual Changeover Wall
Thermostat
Part No.: HH01AD045
This manual changeover wall thermostat provides a
reliable and consistent level of occupant temperature
control for both heat pumps and heating/cooling units.
The thermostat consists of a conventional vented
cover and a coiled bimetal element. It is used only on
wall thermostat control (RC) models.
Lateral Duct Kit
Security Door Kit
Manual Thermostat
17