Carrier 40MBQB12C--3 Hoja de especificaciones descargar pdf (Pagina 35)

GUIDE SPECIFICATIONS

INDOOR FLOOR CONSOLE DUCTLESS UNITS

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

Carrier Model Number: 40MB*F

PART 1 - GENERAL

1.01 System Description

Indoor, wall- mounted, direct- expansion fan coils are matched with

a 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

A. General:

Indoor, direct- expansion, floor- mounted 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 shall be furnished with integral

mounting bracket and mounting hardware.

B. Unit Cabinet:

Cabinet dischar ge and inlet grilles shall be attractively styled,

high- impact polystyrene. Cabinet shall be fully insulated for

improved thermal and acoustic performance.

CFans:

1. Fan shall be tangential dir e ct- drive blower type with air int ake in

the cente r of the unit and discharge at the top and bott om fr ont .

Auto mati c, mot or-dri ven vertical air swe ep shall be provided standar d.

2. Air sweep operation shall be user selectable. The vertical sweep

may be adjusted (using the remote control) and the horizontal air

direction may be set manually.

D. 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. A drip pan under the coil shall have a drain connection

for hose attachment to remove condensate. Condensate pan shall

have internal trap.

E. Motors:

Motors shall be open drip- proof, permanently lubricated ball

bearing with inherent overload protection. Fan motors shall be

3- speed.

F 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:

1. An automatic restart after power failure at the same operating

conditions as at failure.

2. A timer function to provide a minimum 24- hour timer cycle for

system Auto Start/Stop.

3.T emperature- sensing controls shall sense return air temperature.

4. Indoor coil freeze protection.

5.Wireless infrared remote control to enter set points and operating

conditions.

6. Automatic air sweep control to provide on or off activation of air

sweep louvers.

7. De humidification mode shall provide increased latent removal

capability by modulating system operation and set point

temperature.

8. Fan- only operatio n to provide room air circulation when no

cooling is required.

9. Diagnostics shall provide continuous checks of unit operation

and warn of possible malfunctions. Error messages shall be

displayed at the unit.

10. Fan speed control shall be user- selectable: high, medium, low,

or microprocessor controlled automatic operation during all

operating modes.

11. Automatic heating- to- cooling changeover in heat pump mode.

Control shall include deadband to prevent rapid mode cycling

between heating and cooling.

12. Indoor coil high temperature protection shall be provided to

detect excessive indoor discharge temperature when unit is in heat

pump mode.

G. Filters: Unit shall have filter track with factory- supplied

cleanable filters.

H. Electrical Requirements: Indoor fan motor to operate on

208- 230V as specified. Power is supplied from the outdoor unit.

I. Operating Characteristics: The system shall have a minimum

SEER (Seasonal Energy Efficiency Ratio) and HSPF at AHRI

conditions, as listed on the specifications table.

J. 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.

K. Special Featur es (Field Installed):

1. Condensate Pump: The condensate pump shall remove

condensate from the drain pan when gravity drainage cannot be

used. Pump shall be designed for quiet operation. Pump shall

consist of two parts: an internal reservoir/sensor assembly, and a

remote sound- shielded pump assembly. A liquid level sensor in

the reservoir shall stop cooling operation if the liquid level in the

reservoir is unacceptable.

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Carrier 40MBQB12C--3 Hoja de especificaciones Pagina 35

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