Carrier 58MXB Manuale Utente Scaricare il pdf (Pagina 22)

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

Catalog No: 58MXB-1PD Rev. A Replaces: 58MXB-1PD

Guide specifications

Comfort 92

Single-Stage/Deluxe Gas Furnace

58MXB

GENERAL

System Description

Furnish a _________________ (4-way multipoise) fixed ca-

pacity gas-fired condensing furnace for use with natural gas or

propane (factory authorized conversion kit required for pro-

pane); furnish cold air return plenum; furnish external medial

cabinet for use with accessory media filter or standard filter.

Quality Assurance

Unit will be designed, tested and constructed to the current

ANSI Z 21.47/CSA 2.3 design standard for gas-fired central

furnaces.

Unit will be 3rd party certified by CSA to the current ANSI Z

21.47/CSA 2.3 design standard for gas-fired central furnaces.

Unit will carry the CSA Blue Star® and Blue Flame® labels.

Unit efficiency testing will be performed per the current DOE

test procedure as listed in the Federal Register.

Unit will be certified for capacity and efficiency and listed in the

latest GAMA Consumer's Directory of Certified Efficiency

Ratings.

Unit will carry the current Federal Trade Commission Energy

Guide efficiency label.

Delivery, Storage, and Handling

Unit will be shipped as single package only and is stored and

handled per unit manufacturer's recommendations.

Warranty (for inclusion by specifying engineer)

U.S. and Canada only. Warranty certificate available upon re-

quest.

PRODUCTS

Equipment

Components shall include: slow-opening gas valve to reduce ig-

nition noise, regulate gas flow, with electric switch gas shut-off;

flame proving sensor, hot surface igniter, pressure switch as-

sembly verifies inducer operation; flame rollout switch, drain

tubing and installed condensate drain trap, blower and inducer

assembly, 40va transformer; low-voltage (heating) (heating/

cooling) thermostat.

Blower Wheel and Blower Motor

Galvanized blower wheel shall be centrifugal type, statically

and dynamically balanced. Blower motor of PSC type shall be

permanently lubricated with sealed bearings, of _____ hp, and

shall be multiple-speed direct drive. Blower motor shall be soft

mounted to the blower scroll to reduce vibration transmission.

Filters

Furnace shall have reusable-type filters. Filter shall be ______

in (x) ______in. An accessory high efficiency Media Filter is

available as an option. ______________Media Filter.

Casing

Casing shall be of .030 in. thickness minimum, pre-painted gal-

vanized steel.

Inducer Motor

Inducer motor shall be soft mounted to reduce vibration trans-

mission.

Primary Heat Exchangers

Primary Heat exchangers shall be 3-Pass 20 gauge corrosion re-

sistant aluminized steel of fold-and-crimp sectional design,

which operates under negative pressure.

Secondary Heat Exchangers

Secondary Heat exchangers shall be of a flow-through design

having a patented interior laminate coating of polypropylene for

greater corrosion resistance with fold-and-crimp design, which

operates under negative pressure.

Controls

Controls shall include a microprocessor based integrated elec-

tronic control board with at least 11 service troubleshooting

codes displayed via diagnostic flashing LED light on the con-

trol, has ability to store fault codes, when activated a self-test

feature checks all major functions of the furnace within one

minute, and a replaceable automotive-type circuit protection

fuse. Multiple operational settings available including separate

blower speeds. Cooling airflow will be selectable between 350

or 400 CFM per ton of air conditioning. Features will also in-

clude temporary reduced airflow in the cooling mode for im-

proved dehumidification when a Thermidistat® is selected as

the thermostat.

Operating Characteristics

Heating Capacity shall be_________Btuh input;

____________Btuh output capacity.

Fuel Gas Efficiency shall be 93% AFUE.

Air delivery shall be__________ cfm minimum at 0.50 in. wg.

external static pressure.

Dimensions shall be: depth__________in.; width__________

in.; height_________in. (casing only). Height shall be

__________in. with A/C coil and____________in. overall with

plenum.

Electrical Requirements

Electrical supply shall be 115 volts, 60 Hz, single-phase (nom-

inal). Minimum wire size shall be_________AWG; maximum

fuse size or HACR-type, designated circuit breaker shall be

_______Amps.

Special Features

Refer to section of the product data sheet identifying accessories

and descriptions for specific features and available enhance-

ments.

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Carrier 58MXB Manuale Utente Pagina 22

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