Carrier 40MBQB12C--3 Hoja de especificaciones descargar pdf (Pagina 33)

GUIDE SPECIFICATIONS

INDOOR CASSETTE DUCTLESS UNITS

Size Range: 3/4 to 1 1/2 Ton Nominal Cooling and Heating Capacity

Carrier Model Number: 40MB*C

PART 1 - GENERAL

1.01 System Description

Indoor, in - ceiling, direct- expansion fan coils are matched with

heat pump outdoor unit .

1.02 Agency Listings

Unit shall be rated per AHRI Standards 210/240 and listed in the

AHRI directory as a matched system.

1.03 Delivery, Storage, And Handling

Units shall be stored and handled per unit manufacturer’s

recommendations.

1.04 Warranty (For Inclusion B y Specifying

Engineer)

PART 2 - PRODUCTS

2.01 Equipment

General:

Indoor, direct- expansion, in - ceiling cassette fan coil. Unit shall be

complete with cooling/heating coil, fan, fan motor, piping

connectors, electrical controls, microprocessor control system, and

integral temperature sensing.

Unit Cabinet:

Cabinet shall be constructed of zinc- - coated steel. Fully insulated

discharge and inlet grilles shall be attractively styled, high- impact

polystyrene. Grille shall have hinges and can be opened to obtain

access to the cleanable filters, indoor fan motor and control box.

Fans:

Fan shall be centrifugal direct- - drive blower type with

air intake in the center of the unit and discharge at the

perimeter. Automatic, motor- - driven vertical air sweep

shall be provided standard. Automatic motor- - driven

louvers shall be provided standard and shall be

adjustable for 2, 3 or 4- - way dischar ge.

S Air sweep operation shall be user selectable.

Coil:

Coil shall be copper tube with aluminum fins and galvanized steel

tube sheets. Fins shall b e bonded to the tubes by mechanical

expansion and specially coated for enhanced wet- ability . A drip

pan under the coil shall have a factory installed condensate pump

and drain connection for hose attachment to remove condensate.

Motors:

Motors shall be open drip- proof, permanently lubricated ball

bearing with inherent overload protection. Fan motors shall be

4- speed.

Controls:

Controls shall consist of a microprocessor- based control system

which shall control space temperature, determine optimum fan

speed, and run self diagnostics. The temperature control range shall

be from 62_Fto86_F(17_Cto30_C) in increments of 1_For

1_C, and have 46_F Heating Mode (Heating Setback). The

wireless remote controller, shall have the ability to act as the

temperature sensing location for room comfort.

The unit shall have the following functions as a minimum:

S An automatic restart after power failure at the same

operating conditions as at failure.

S A timer function to provide a minimum 24- hour timer

cycle for system Auto Start/Stop.

S Temperature- sensing controls shall sense return air

temperature.

S Indoor coil freeze protection.

S Wireless infrared remote control to enter set points and

operating conditions.

S Automatic air sweep control to provide on or off

activation of air sweep louvers.

S Dehumidification mode shall provide increased latent

removal capability by modulating system operation and

set point temperature.

S Fan- only operation to provide room air circulation when

no cooling is required.

S Diagnostics shall provide continuous checks of unit

operation and warn of possible malfunctions. Error

messages shall be displayed at the unit.

S Fan speed control shall be user- selectable: high,

medium, low, or microprocessor controlled automatic

operation during all operating modes.

S Automatic heating- to- cooling changeover in heat pump

mode. Control shall include deadband to prevent rapid

mode cycling between heating and cooling.

S Indoor coil high temperature protection shall be provided

to detect excessive indoor discharge temperature when

unit is in heat pump mode.

Filters:

Unit shall have filter track with factory- supplied cleanable filters.

Electrical

Requirements:

Indoor fan motor to operate on 208 - 230V. Power is supplied from

the outdoor unit.

Operating

Characteristics:

The system shall have a minimum SEER (Seasonal Energy

Efficiency Ratio) and HSPF at AHRI conditions, as listed on the

specifications table.

Refrigerant

Lines:

All units should have refrigerant lines that can be oriented to

connect from the left, right or back of unit. Both refrigerant lines

need to be insulated.

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Carrier 40MBQB12C--3 Hoja de especificaciones Pagina 33

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