background image

1

50XL

Infinity

t

15 SEER Single---Packaged Air Conditioner

System with Puron

R

(R---410A) Refrigerant

Single Phase

2---5 Nominal Tons (Sizes 024---060)

Product Data

A05307

Fig. 1 -- Unit 50XL

Single--Packaged Products with Energy--Saving Features and
Puron

®

refrigerant.

S

Up to 15.5 SEER

S

Low Sound Levels

S

Variable--Speed Blower (Standard)

S

Factory--Installed TXV

S

Two Stage Cooling

FEATURES/BENEFITS

One--piece cooling unit with optional electric heater, low
installation cost, dependable performance and easy maintenance.

Efficient operation

High--efficiency design

with SEERs (Seasonal Energy Efficiency

Ratio) of up to 15.5.

Puron

®

Environmentally--Sound Refrigerant

is Carrier’s unique

refrigerant designed to help protect the environment. Puron is an
HFC refrigerant which does not contain chlorine that can harm the

ozone layer. Puron refrigerant is in service in millions systems,

proving highly reliable, environmentally sound performance.

IdealHumidity

t

Technology featuring Infinity

t

control and

Variable--Speed Blower motor

and two stages of cooling that

provide greater comfort, humidity control, and energy efficiency.

Variable--Speed Blower motors

provide better comfort and

energy efficiency. You can expect up to 30 times better

dehumidification; economical constant fan which provides
improved indoor air quality and more even temperatures from

room to room; and reduced indoor noise due to lower air velocity.

In addition, you’ll realize improved installation flexibility with 3
different airflow choices for best overall comfort.

Easy installation

Factory--assembled package

is a compact, fully self--contained,

electric cooling unit that is pre--wired, pre--piped, and pre--charged

for minimum installation expense. 50XL units are available in a

variety of standard capacity ranges. Units install easily on a rooftop
or at ground level.

Durable, dependable components

Compressors

have two stages of cooling and are designed for high

efficiency. Each compressor is hermetically sealed against

contamination to help promote longer life and dependable

operation.

Vibration

isolation

provides

quiet

operation.

Compressors have internal high--pressure and overcurrent

protection.

Convertible duct configuration

Unit is designed for easy use in either downflow or horizontal

applications. Each unit is easily converted from horizontal to

downflow with two

duct covers (available as an accessory).

Downflow operation is easily provided in the field to allow vertical

ductwork connections. The basepan utilizes knockout style seals
on the bottom openings to ensure a positive seal in the horizontal

airflow mode.

Direct--drive, variable--speed blower motor

is standard on all

50XL models.

Direct--drive, PSC condenser fan motors

are designed to help

reduce energy consumption and provide for cooling operation

down to 55

°

F (12.7

°

C) outdoor temperature. Low--ambient

cooling is available below 55

°

F (12.7

°

C) when low--ambient

cooling is enabled in the User Interace (UI). Motormaster

®

II

low--ambient kit is not required.

Infinity

t

User Interface

designed to work as a system with

Carrier’s single--packaged product.

Refrigerant system

is designed to provide dependability. Liquid

refrigerant filter driers are used to promote clean, unrestricted

operation. Each unit leaves the factory with a full Puron refrigerant
charge. Refrigerant service connections make checking operating

pressures easier.

Indoor and outdoor coils

are computer designed for optimum

heat transfer and cooling efficiency. The indoor coil is fabricated

from copper tube and aluminum fins and is located inside the unit
for protection against damage. The outdoor coil is internally

mounted on the top tier of the unit. Copper fin coils and pre--coated
fin coils are available from the factory by special order. These coils

are recommended in applications where aluminum fins are likely to

Summary of Contents for Infinity 50XL

Page 1: ...t ground level Durable dependable components Compressors have two stages of cooling and are designed for high efficiency Each compressor is hermetically sealed against contamination to help promote lo...

Page 2: ...avy duty phosphated zinc coated pre painted steel capable of withstanding 500 hrs of salt spray Interior surfaces of the evaporator and electric heater compartments are insulated with cleanable semi r...

Page 3: ...1 4 15 5 030 2 1 2 1000 700 28 600 21 400 11 6 15 0 036 3 1200 850 34 600 24 400 12 15 0 042 3 1 2 1400 975 40 500 29 000 11 6 15 0 048 4 1600 1100 46 000 33 400 11 15 0 060 5 1750 1200 57 000 40 500...

Page 4: ...0 279x254 Motor HP RPM 1 2 1 2 3 4 3 4 3 4 1 HIGH PRESSURE SWITCH psig Cutout 670 10 Reset Auto 470 25 HIGH PRESSURE SWITCH 2 psig Compressor Solenoid Cutout 565 15 Reset Auto 455 15 LOSS OF CHARGE LO...

Page 5: ...les 024 048 size units to be fitted to 14 in 356 mm round ductwork Infinity User Interface coupled with the system s variable speed indoor blower delivers Carrier s patented IdealHumidity technology t...

Page 6: ...FILTER RACK EVAPORATOR COIL TOP FILTER RACK BEND FLANGE AT 90 SCREW TO DIVIDER WITH 1 IN SCREW BOTTOM FILTER RACK MANUAL OUTSIDE AIR DAMPER DAMPER BLADE MANUAL OUTSIDE AIR HOOD REPLACEMENT PANEL 50XL...

Page 7: ...7 A06596 Fig 2 50XL024 030 Unit Dimensions 50XL...

Page 8: ...8 A06597 Fig 3 50XL036 060 Unit Dimensions 50XL...

Page 9: ...t D F Return opening B X C Insulate d deck pan Short Support CTyp G E F G D E A05308 UNIT SIZE ODS CATALOG NUMBER A IN MM B IN MM C IN MM D IN MM E IN MM F IN MM G IN MM 024 030 CPRFCURB006A00 8 203 1...

Page 10: ...quired cooling capacity Enter Net Cooling Capacities table at condenser entering temperature of 95 F 35 C The 036 unit at 1200 cfm and 67 F 19 4 C ewb entering wet bulb will provide a total capacity o...

Page 11: ...3 18 01 14 14 2 82 72 22 2 27 77 13 43 1 70 26 37 12 96 1 88 24 90 12 48 2 09 23 35 11 95 2 31 21 66 11 41 2 57 20 60 11 05 2 57 50XL024 Low Cool EVAPORATOR AIR CONDENSER ENTERING AIR TEMPERATURES _F...

Page 12: ...47 16 98 3 51 72 22 2 35 18 16 96 2 18 33 29 16 32 2 40 31 27 15 65 2 65 29 11 14 94 2 92 26 76 14 18 3 22 24 19 13 36 3 55 50XL030 Low Cool EVAPORATOR AIR CONDENSER ENTERING AIR TEMPERATURES _F _C 7...

Page 13: ...47 21 64 3 90 72 22 2 42 99 19 31 2 41 40 85 18 61 2 66 38 57 17 87 2 93 36 13 17 09 3 24 33 48 16 25 3 58 30 56 15 35 3 96 50XL036 Low Cool EVAPORATOR AIR CONDENSER ENTERING AIR TEMPERATURES _F _C 7...

Page 14: ...38 26 96 4 45 72 22 2 50 09 26 04 2 96 47 23 25 02 3 23 44 13 23 92 3 51 45 09 24 26 3 58 41 83 23 12 3 93 32 98 20 13 4 51 50XL042 Low Cool EVAPORATOR AIR CONDENSER ENTERING AIR TEMPERATURES _F _C 7...

Page 15: ...36 29 43 4 97 72 22 2 56 36 27 17 3 60 53 67 26 25 3 91 50 80 25 29 4 25 47 69 24 26 4 62 44 30 23 15 5 03 42 55 22 59 5 06 50XL048 Low Cool EVAPORATOR AIR CONDENSER ENTERING AIR TEMPERATURES _F _C 75...

Page 16: ...00 34 88 6 94 72 22 2 68 41 33 69 4 48 65 01 32 46 4 91 61 35 31 14 5 37 57 37 29 72 5 88 52 97 28 19 6 44 48 09 26 53 7 04 50XL060 Low Cool EVAPORATOR AIR CONDENSER ENTERING AIR TEMPERATURES _F _C 75...

Page 17: ...d heat 2 Direct interpolation is permissible Do not extrapolate 3 The following formulas may be used Example 15 0 kW at 240v heater on 208v 15 0 75 mult factor 11 25 capacity at 208v Sensible capacity...

Page 18: ...wc 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 024 COMFORT Default Variable based on Comfort Settings EFFICIENCY 700 700 700 700 700 700 700 700 700 700 MAX 800 800 800 800 800 800 800 800 800 800 030 COM...

Page 19: ...IR FLEXIBLE DUCT CEILING CONCENTRIC DIFFUSER BOX FIELD SUPPLIED SUPPLY AIR FLEXIBLE DUCT ROOF MOUNTING CURB C00023 USER INTERFACE DISCONNECT PER NEC FROM POWER SOURCE RETURN AIR TOP COVER FROM GAS LIN...

Page 20: ...45 7 5 10 0 36 1 41 7 50 5 57 5 60 60 11 3 15 0 54 2 62 5 73 1 83 5 80 90 036 208 230 1 60 187 253 16 7 82 0 0 9 6 8 28 5 28 5 45 45 3 8 5 0 18 1 20 8 31 1 34 5 45 45 5 4 7 2 26 0 30 0 41 0 46 0 45 50...

Page 21: ...21 TYPICAL WIRING SCHEMATIC 230 1 60 A08201 50XL...

Page 22: ...e User Interface After second stage is satisfied the unit returns to low stage operation until first stage is satisfied or until second stage is required again When both first stage and second stage c...

Page 23: ...insulation shall be used in the entire indoor air cavity seciton 5 Unit shall have a field supplied condensate trap C Fans 1 The indoor fan shall be variable speed motor and control as shown on equipm...

Page 24: ...k Kit Shall provide filter mounting for downflow and horizontal applications 7 Square To Round Duct Transitions Shall have the ability to convert the supply and return open ings from rectangular to ro...

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