Carrier 13 50XP Manual De Usuario

Printed in U.S.A.

edition date: 10/05

Manufacturer reserves the right to change, at any time, specifications or designs without notice and obligations

Catalog No: 50XP-4PD

Replaces: 50XP-3PD

L. Grille

1. Louvered Grille:

Louvered grille shall be standard on all units.

M. Special Features Available

1. Coil Options:

Shall include factory-installed optional tin-plated

indoor, copper/copper and vinyl-coated refriger-
ant coils.

2. Economizer:

a. Economizer controls capable of providing free

cooling using outside air.

b. Equipped with low leakage dampers not to ex-

ceed 3% leakage, at 1.0 in. wg pressure differen-
tial.

c. Spring return motor shuts off outdoor damper on

power failure.

3. Flat Roof Curb:

Curbs shall have seal strip and a wood nailer for

flashing and shall be installed per manufacturer’s
instructions.

4. Manual Outdoor Air Damper:

Package shall consist of damper, birdscreen, and

rainhood which can be preset to admit outdoor air
for year-round ventilation.

5. Thermostat:

To provide for one-stage heating and cooling in ad-

dition manual or automatic changeover and indoor
fan control.

6. Low Ambient Package:

Shall consist of a solid-state control and condenser

coil temperature sensor for controlling condenser-
fan motor operation, which shall allow unit to oper-
ate down to 0° F outdoor ambient temperature.

7. Filter Rack Kit:

Shall provide filter mounting for downflow or hori-

zontal applications.

8. Square-To-Round Duct Transitions (024-048):

Shall have the ability to convert the supply and re-
turn openings from rectangular to round. (024-048
only)

9. Compressor Protection (Time Guard® II Kit)

Solid-state control shall protect compressor by pre-
venting “short cycling.”

10. Crankcase Heater:

Shall provide anti-floodback protection for low-
load cooling applications.

11. Electric heaters:

a. Electric heater shall be available as a field-

installed option.

b. Heater elements shall be open wire type, ade-

quately supported and insulated with ceramic
bushings.

c. Electric heater packages must provide single

point power connection capability.

12. Compressor Hard start kit:

Shall be available to give a boost to the compressor
motor at each start-up. (Single Phase only).

Guide specifications (cont)