Carrier FB4CNP - Installation Manual

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Page 2 – Step 1 — Check Equipment; CAUTION
Page 4 – Step 3 — Air Ducts; Ductwork Acoustical Treatment; Step 4 — Electrical Connections
Page 6 – WARNING; Step 5 — Refrigerant Tubing Connection and
Page 7 – Step 6 — Refrigerant Flow; Step 7 — Condensate Drains
Page 8 – Step 8 — Accessories
Page 9 – Wiring Layout of Humidifier to Fan Coil; START; UNIT COMPONENT HAZARD; CARE AND MAINTENANCE; UNIT SIZE; Table 2 – Factory
Page 10 – Airflow based upon dry coil at 230v with factory
Page 12 – TRAINING

Loading the manual

FB4CNF

FB4CNP

FX4D

Installation Instructions

FAN COIL UNITS

FOR R

−

410A REFRIGERANT

SIZES 018 TO 061

NOTE

: Read the entire instruction manual before starting the

installation.

TABLE OF CONTENTS

PAGE

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . . .

INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HEATER PACKAGES

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 1 — Check Equipment

. . . . . . . . . . . . . . . . . . . . . . . . .

Step 2 — Mount Unit

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 3 — Air Ducts

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 4 — Electrical Connections

. . . . . . . . . . . . . . . . . . . . .

Step 5 — Refrigerant Tubing Connection and Evacuation

. .

Step 6 — Refrigerant Flow

−

Control Device

. . . . . . . . . . . . .

Step 7 — Condensate Drains

. . . . . . . . . . . . . . . . . . . . . . . .

Step 8 — Accessories

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Step 9 — Sequence of Operation

. . . . . . . . . . . . . . . . . . . . .

START

−

UP PROCEDURES

. . . . . . . . . . . . . . . . . . . . . . . . . .

CARE AND MAINTENANCE

. . . . . . . . . . . . . . . . . . . . . . . .

AIRFLOW PERFORMANCE TABLES

. . . . . . . . . . . . . . . . .

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance,

or use can cause explosion, fire, electrical shock, or other

conditions which may cause death, personal injury or property

damage. Consult a qualified installer, service agency, or your

distributor or branch for information or assistance. The qualified

installer or agency must use factory

−

authorized kits or accessories

when modifying this product. Refer to the individual instructions

packaged with kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing

and work gloves. Have a fire extinguisher available. Read these

instructions thoroughly and follow all warnings or cautions

included in literature and attached to the unit. Consult local

building codes and the current editions of the National Electrical

Code (NEC) NFPA 70.
In Canada, refer to the current editions of the Canadian Electrical

Code CSA C22.1.
Recognize safety information. This is the safety

−

alert symbol

When you see this symbol on the unit and in instruction manuals,

be alert to the potential for personal injury.

Understand the signal words

DANGER

WARNING

, and

CAUTION

. These words are used with the safety

−

alert symbol.

DANGER

identifies the most serious hazards which

will

result in

severe personal injury or death.

WARNING

signifies hazards

which

could

result in personal injury or death.

CAUTION

is used

to identify unsafe practices which

may

result in minor personal

injury or product and property damage.

NOTE

is used to highlight

suggestions which will result in enhanced installation, reliability, or

operation.

ELECTRICAL OPERATION HAZARD

Failure to follow this warning could result in personal injury

or death.
Before installing or servicing unit, always turn off all power to

unit. There may be more than one disconnect switch. Turn off

accessory heater power if applicable. Lock out and tag switch

with a suitable warning label.

WARNING

CUT HAZARD

Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and

wear appropriate protective clothing and gloves when

handling parts.

CAUTION

INTRODUCTION

FB4C and FX4D models are R

−

410A Fan Coils designed for

installation flexibility. These units leave the factory compliant with

low leak requirements of less than 2% cabinet leakage rate at 0.5

inches W.C. and 1.4% cabinet leakage rate at 0.5 inches W.C. when

tested in accordance with ASHRAE 193 standard.
FB4CNF(018

−

048) uses a refrigerant piston metering device. A

TXV is used on FB4CNP and FX4D(018

−

061). All these fan coils

use a multi

−

tap ECM motor for efficiency. The units have be

designed for upflow, downflow (kit required), and horizontal

orientations, including manufactured and mobile home

applications.
These units require a field supplied air filter, and are designed

specifically for R

−

410A refrigerant air conditioners and heat

pumps as shipped. These units are available for systems of 18,000

through 60,000 BTUh nominal cooling capacity. Factory

−

authorized, field

−

installed electric heater packages are available in

sizes 5 through 30kW. See Product Data literature for all available

accessory kits.

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About this manual

Brand: Carrier
Model: FB4CNP
Document type: Installation Manual
Category: Air Conditioner
Language(s): English
Pages: 12
Format: PDF

Summary

Page 2 - Step 1 — Check Equipment; CAUTION

2 HEATER PACKAGES This unit may or may not be equipped with an electric heater package. For units not equipped with factory − installed heat, a factory − approved, field − installed, UL listed heater package is available from your equipment supplier. See unit rating plate for a list of factory − app...

Page 4 - Step 3 — Air Ducts; Ductwork Acoustical Treatment; Step 4 — Electrical Connections

4 6. Convert air − seal assembly for horizontal right. a. Remove air − seal assembly from coil by removing 4 screws. (See Fig. 6.) b. Remove air splitter (B) from coil seal assembly by remov- ing 3 screws. (See Fig. 3 − factory shipped inset.) c. Remove filter plate (A) and install air splitter (B) ...

Page 6 - WARNING; Step 5 — Refrigerant Tubing Connection and

6 Refer to outdoor unit wiring instructions for any additional wiring procedure recommendations. Transformer Information Transformer is factory − wired for 230v operation. For 208v applications, disconnect the black wire from the 230v terminal on transformer and connect it to the 208v terminal. (See...