
Programmable Thermostat
Part No.: TSTATCCPAC01-B
This microcomputer-controlled, programmable wall ther-
mostat has enhanced features that provide automatic
changeover control for both heat pumps and heating/
cooling units. It is used only on remote control (RC)
models.
NOTE: Both heat pumps and heat/cool units operate
with a heat/cool thermostat. A heat pump thermostat
should never be used with this product.
Programmable Thermostat
Replacement Filters
Part No.: AIR-FILTER-25PK
The Carrier 52S model replacement air filters come in
packages of 25. The filters save energy by preventing
the evaporator coils from being plugged with dirt and
lint. These economical and sturdy mesh filters may be
washed, vacuumed, and reused. Carrier’s filters meet
original equipment specifications and are factory-
authorized replacement parts.
Easily Replaceable Filters
Energy Management Kit
Part No.: EM-KIT
This field-installed accessory kit allows individual units
to be turned on and off from a remote location. When
installed at a hotel front desk, the kit can help to con-
serve energy by allowing hotel staff to easily turn off
units when rooms are not occupied.
The kit incorporates Carrier’s Freeze Guard protection
that prevents rooms from freezing during extreme or
extended cold periods. Under these conditions, the Freeze
Guard automatically disables front desk control and
allows the unit to maintain a temperature of at least
50 F in the room. When the room reaches 65 F, the
Freeze Guard feature returns the unit control to the
front desk.
This kit interfaces to most energy management sys-
tems. When installed in locations other than the front
desk, the kit can control unit operation by receiving
signals from field-supplied devices such as motion sen-
sors or heat sensing detectors.
Energy Management Kit
Control devices connected to the Energy Management
Kit must have normally open sets of contacts (when
the switch is open, the unit operates). A 24-volt trans-
former must be field supplied and connected to the
Energy Management Kit. (See typical wiring diagram
on page 41.)
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