Carrier 39L Manual

Carrier Ikke kategoriseret 39L

Læs gratis den danske manual til Carrier 39L (68 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 14 personer og har en gennemsnitlig bedømmelse på 4.0 stjerner ud af 7.5 anmeldelser. Har du et spørgsmål om Carrier 39L, eller vil du spørge andre brugere om produktet?

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

Catalog No. 04-53390033-01 Printed in U.S.A. Form 39L-9SI Pg 1 11-23 Replaces: 39L-8SI

Installation, Start-Up and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Unit Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

PREINSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Suspended Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Service Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

External Vibration Isolators . . . . . . . . . . . . . . . . . . . 10

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Base Rail Split . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Mixing Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

• DAMPER ACTUATORS

• DUCTWORK ATTACHMENT

Install Condensate Drain . . . . . . . . . . . . . . . . . . . . . 17

Variable Frequency Drive (VFD) . . . . . . . . . . . . . . . 17

Install Fan Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

• JUNCTION BOX CONDENSATE PREVENTION

• POWER KNOCKOUTS

Motor Nameplate Data . . . . . . . . . . . . . . . . . . . . . . . 18

Fan Motor Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

• WIRING

• START-UP AND TEST

Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

• DISCONNECT WIRING

• START-UP AND TEST

VFD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

• FIELD-WIRING

• START-UP AND TEST

• ACH580 VFD OPERATION

• START UP CHANGING PARAMETERS

INDIVIDUALLY

• VFD MODES

• ACH580 STANDARD DISPLAY MODE

• PARAMETERS MODE

• CHANGED PARAMETERS MODE

• DRIVE PARAMETER BACKUP MODE

• UPLOAD ALL PARAMETERS

• DOWNLOAD ALL PARAMETERS FROM BACKUP

• CLOCK SET MODE

• I/O SETTINGS MODE

VFD Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

• FAULTS (RED LED LIT)

• ALARMS (GREEN LED FLASHING)

• CORRECTING FAULTS

• CORRECTING ALARMS

• CONTROL PANEL CLEANING

• BATTERY REPLACEMENT

ACH580 Maintenance Schedule . . . . . . . . . . . . . . . . 28

• MAIN FAN REPLACEMENT IP21 AND IP55

(UL TYPE 1 AND UL TYPE 12)

• AUXILIARY COOLING FAN REPLACEMENT

IP21 AND IP55 (UL TYPE 1 AND UL TYPE 12)

Install Sheaves on Motor and Fan Shafts . . . . . . . .32

• ALIGNMENT

Install V-Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

• TENSION MEASUREMENT PROCEDURE

Water and Steam Coil Piping Recommendations .36

• GENERAL

• WATER COILS

• STEAM COILS

Coil Freeze-Up Protection . . . . . . . . . . . . . . . . . . . . .39

• WATER COILS

• STEAM COILS

• INNER DISTRIBUTING TUBE STEAM COILS

• IDT STEAM COIL PIPING

Refrigerant Piping, Direct-Expansion (DX) Coils . .41

• SUCTION PIPING

• EXPANSION VALVE PIPING

• HOT GAS BYPASS

• UNLOADING CONSIDERATIONS

• SPECIAL PIPING WITH 4 SPLITS PER COIL

Electric Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

• CONNECT POWER AND CONTROL WIRES

Discharge Modification . . . . . . . . . . . . . . . . . . . . . . .52

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

• FILTERS

• FANS

• COILS

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

Fan Motor Replacement . . . . . . . . . . . . . . . . . . . . . .54

Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

• DETERGENT

• STEAM

Winter Shutdown (Chilled Water Coil Only) . . . . . .54

• ANTIFREEZE METHODS OF COIL PROTECTION

• AIR DRYING METHOD OF COIL PROTECTION (UNIT

AND COIL MUST BE LEVEL FOR THIS METHOD.)

Field-Installed Coils (39LA,LD Only) . . . . . . . . . . . .55

Coil Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55

• HORIZONTAL UNIT SLANT COIL REMOVAL (39LA

UNITS)

• VERTICAL UNIT SLANT COIL REMOVAL (39LD

UNITS)

• HORIZONTAL OR VERTICAL UNIT — DUAL COIL

REMOVAL (39LA, LD UNITS — SIZE 25)

39LA,LB,LC,LD,LF,LG,LH03-25

Indoor Air-Handling Units

• HORIZONTAL OR VERTICAL UNIT — VERTICAL

COIL REMOVAL (39LB,LC,LF,LH UNITS)

Changing Coil Hand . . . . . . . . . . . . . . . . . . . . . . . . . 59

• NU-FIN COILS

• DIRECT EXPANSION COILS

• CHILLED WATER AND HOT WATER COILS

• STEAM INNER DISTRIBUTING TUBE COILS

• PIPING

Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

• FILTER SECTIONS

Fan Shaft Bearing Removal . . . . . . . . . . . . . . . . . . . 61

Fan and Shaft Removal . . . . . . . . . . . . . . . . . . . . . . . 63

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

• MOTORS

• BEARINGS

Fan Sled Disassembly . . . . . . . . . . . . . . . . . . . . . . . 63

START-UP CHECKLIST — 39L AHU UNITS . . . . CL-1

SAFETY CONSIDERATIONS

Air-handling equipment is designed to provide safe and reliable

service when operated within design specifications. To avoid

injury to personnel and damage to equipment or property when

operating this equipment, use good judgment and follow safe

practices as outlined below.

DANGER

NEVER enter an enclosed fan cabinet or reach into a unit

while the fan is running.

LOCK OPEN AND TAG the fan motor power disconnect

switch before working on a fan. Take fuses with you and note

removal on tag. Electric shock can cause personal injury or

death.

LOCK OPEN AND TAG the electric heat coil power

disconnect switch before working on or near heaters.

WARNING

CHECK the assembly and component weights to be sure that

the rigging equipment can handle them safely. Note also, the

centers of gravity and any specific rigging instructions.

CHECK for adequate ventilation so that fumes will not

migrate through ductwork to occupied spaces when welding or

cutting inside air-handling unit cabinet or plenum.

WHEN STEAM CLEANING COILS be sure that the area is

clear of personnel.

DO NOT attempt to handle access covers and removable

panels on outdoor units when winds are strong or gusting until

you have sufficient help to control them. Make sure panels are

properly secured while repairs are being made to a unit.

DO NOT remove access panel fasteners until fan is completely

stopped. Pressure developed by a moving fan can cause

excessive force against the panel which can injure personnel.

DO NOT work on dampers until their operators are

disconnected.

BE SURE that fans are properly grounded before working

on them.

WARNING

DO NOT USE TORCH to remove any component. System

contains oil and refrigerant under pressure.

To remove a component, wear protective gloves and goggles

and proceed as follows:

a. Shut off electrical power to unit.

b. Recover refrigerant to relieve all pressure from system

using both high-pressure and low pressure ports.

c. Traces of vapor should be displaced with nitrogen and

the work area should be well ventilated. Refrigerant in

contact with an open flame produces toxic gases.

d. Cut component connection tubing with tubing cutter and

remove component from unit. Use a pan to catch any oil

that may come out of the lines and as a gage for how

much oil to add to the system.

e. Carefully unsweat remaining tubing stubs when neces-

sary. Oil can ignite when exposed to torch flame.

Failure to follow these procedures may result in personal

injury or death.

CAUTION

DO NOT re-use compressor oil or any oil that has been

exposed to the atmosphere. Dispose of oil per local codes and

regulations. DO NOT leave refrigerant system open to air any

longer than the actual time required to service the equipment.

Seal circuits being serviced and charge with dry nitrogen to

prevent oil contamination when timely repairs cannot be

completed. Failure to follow these procedures may result in

damage to equipment.

CAUTION

SECURE drive sheaves with a rope or strap before working on

a fan to ensure that rotor cannot free-wheel.

DO NOT restore power to unit until all temporary walkways

inside components have been removed.

NEVER pressurize equipment in excess of specified test

pressures.

PROTECT adjacent flammable material when welding or

flame cutting. Use sheet metal or asbestos cloth to contain

sparks. Have a fire extinguisher at hand and ready for

immediate use.

IMPORTANT: The installation of air-handling units and all

associated components, parts, and accessories which make

up the installation and subsequent maintenance shall be in

accordance with the regulations of ALL authorities having

jurisdiction and MUST conform to all applicable codes. It

is the responsibility of the installing contractor to determine

and comply with ALL applicable codes and regulations.

Field-supplied motors should be Underwriters Laboratories

(UL) or Canadian Standards Association (CSA) approved.

Field wiring must comply with National Electrical Code

(NEC) and all local requirements.

Produkt Specifikationer

Mærke:	Carrier
Kategori:	Ikke kategoriseret
Model:	39L

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