Carrier 50XT User Manual download pdf (Page 32)

APPLICATION DATA

Condensate trap — A 2 -- in. (51 mm) condensate trap must be field

supplied.

1” (25mm) MIN.

2” (50mm) MIN.

TRAP

OUTLET

Ductwork — Secure downflow discharge ductwork to roofcurb.For

horizontal discharge applications, attach ductwork to unit with

flanges.

To convert a unit to downflow discharge — Units are equipped

with factory--installed inserts in the downflow openings. Remove the

inserts similar to removing an electrical knock--out. Leave on duct

covers to seal the horizontal discharge openings in the unit. Units

installed in horizontal discharge orientation do not require duct cov-

ers.

Minimum cooling ambient operating tempera ture —Allstan-

dard units have a minimum ambient operating temperature of 55°F

(12.7°C). With low--ambient cooling enabled at the UI, units can op-

erate at temperatures down to 0°F (--17.7°C).

Maximum operating outdoor air temperature — Maximum out-

door operating air temperature for cooling is 125°F (51.6°C).

Balance Point Worksheet

-20 -10 0 10 20 30 40 50 60

Outdoor Air Temp (Deg F)

Building Heat Loss, 1000BTUH

Unit Integrated Heating Capacity,

1000BTUH

060

048

042

036

030

024

Based on Entering Indoor Air of 70 Deg. F and Rated CFM

C03008

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Carrier 50XT User Manual Page 32