Carrier 50BV020-064 - Manual

Carrier 50BV020-064

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Table of Contents:

  • Page 2 – Table 1 — Model Number Reference By Application Type; WARNING
  • Page 3 – Table 2 — Modular Unit Shipping Table; Step 2 — Rig and Place Unit —; SECTIONS; Fig. 1 — Modular Unit Rigging
  • Page 19 – Fig. 15 — Typical Fan Discharge Connections for
  • Page 20 – Fig. 16 — Duct Static Pressure Probe; Fig. 17 — Display Panel Location on Unit Front Panel
  • Page 21 – Step 4 — Make Piping Connections; Table 4 — Glycol Freezing Points; CAUTION; Ethylene Glycol; Fig. 18 — DHS Pressure Limit Location
  • Page 22 – Table 5A — Condenser Pressure Drop; Table 5B — Condenser Pressure Drop; LEGEND; VPACBuilder; FLOW RATE; Flow Rate; FLOW RATE; Flow Rate; Fig. 20 — Condensate Drain Layout
  • Page 23 – motor; Fig. 21 — Optional Water Economizer
  • Page 24 – Step 5 — Complete Electrical Connections —
  • Page 27 – FAN RELAY; Fig. 24 — Typical Wiring 18 to 30 Ton Units
  • Page 28 – Table 10 — Recommended Cables; MANUFACTURER; Fig. 26 — Field Terminal Block; FIELD-SUPPLIED THERMOSTAT; Remote Condenser Units Only; FC —
  • Page 29 – CSMUX; Fig. 27 — Modular Unit VAV Control Panel
  • Page 30 – General —; Wait 24 hours before starting the compressors to permit; Fig. 31 — Return Air Temperature Sensor
  • Page 31 – Italics
  • Page 47 – Table 24 — Configuration Parameters
  • Page 48 – VAV Control and VFD Diagnostics —
  • Page 50 – Fig. 34 — Gravity Flow Method
  • Page 51 – 0BVE,K Units Matched with 09DK Condensers; Compressor Oil —; Table 26 — Oil Recharge; TROUBLESHOOTING; UNIT SIZE; Fig. 37 — Fan Belt Tension
  • Page 52 – Table 27 — Run Test Troubleshooting (VAV Units Only); PROBLEM
  • Page 53 – Table 28 — Unit Troubleshooting
  • Page 54 – Table 29 — CV Units LED Diagnostic Codes; During unit operation and/or troubleshooting, it; Table 30 — Forcing an Input or Output; DESCRIPTION
  • Page 59 – CMP; WIRE LEGEND; UNIT; FIELD WIRING
  • Page 63 – DSP
  • Page 68 – CHECK FAN SPEED AND RECORD.
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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. 04-53500001-01

Printed in U.S.A.

Form 50BV-3SI

Pg 1

10-08

Replaces: 50BV-2SI

Installation, Start-Up and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . 1,2

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

MAJOR SYSTEM COMPONENTS

. . . . . . . . . . . . . . . . . 2

Constant Volume (CV) Units

. . . . . . . . . . . . . . . . . . . . . . 2

Variable Air Volume (VAV) Units

. . . . . . . . . . . . . . . . . . 2

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

Step 1 — Complete Pre-Installation Checks

. . . . . . 3

• EXAMINE THE UNIT

• UNIT STORAGE

• MODULAR UNITS

Step 2 — Rig and Place Unit

. . . . . . . . . . . . . . . . . . . . . 3

• REMOVE PACKAGING

• UNIT LOCATION

• UNIT PLACEMENT

• ACOUSTICAL CONSIDERATIONS

• ASSEMBLING MODULAR UNITS

Step 3 — Install Ductwork

. . . . . . . . . . . . . . . . . . . . . . . 19

• DUCT STATIC PRESSURE PROBE AND TUBING

(VAV Only)

• DUCT HIGH-STATIC (DHS) LIMIT SWITCH (VAV Only)

Step 4 — Make Piping Connections

. . . . . . . . . . . . . 21

• CONDENSER WATER PIPING (Water-Cooled Only)

• EVAPORATOR CONDENSATE DRAIN

• HOT WATER HEATING COIL (Optional)

• WATER ECONOMIZER (Optional)

• REMOTE REFRIGERANT PIPING

(Remote Air-Cooled Only)

Step 5 — Complete Electrical Connections

. . . . . . 24

• POWER WIRING

• CONTROL WIRING (CV Only)

• REMOTE CONDENSER FAN CONTACTOR WIRING

• CONTROL WIRING (VAV Only)

• SUPPLY AIR TEMPERATURE SENSOR (SAT)

• SMOKE DETECTOR/FIRE ALARM SHUTDOWN (FSD)

• ALARM (ALARM) AND WARNING (WARN) OUTPUTS

• REMOTE OCCUPANCY (ROCC)

• RETURN AIR TEMPERATURE SENSOR (RAS)

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-48

General

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

• CRANKCASE HEATERS

• CONFIRM THE INPUT POWER PHASE SEQUENCE

• INTERNAL WIRING

• RETURN-AIR FILTERS

• COMPRESSOR MOUNTING

• REFRIGERANT SERVICE PORTS

CV Unit Start-Up

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

• EVAPORATOR FAN

• COOLING

• HEATING (Heat Pump Units Only)

VAV Unit Start-Up

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

• PERFORM AUTOMATIC RUN TEST

• CHECK VFD

• POWER UP LID DISPLAY

Page

• LOG ON TO THE LID DISPLAY

• CHANGE THE DEFAULT PASSWORD

• SET THE CLOCK

• CONFIGURE SCHEDULES

• PROGRAM SET POINTS

• CHECK SYSTEM PARAMETERS

• DISPLAY ALARM HISTORY

• CONFIGURE THE CUSTOM PROGRAMMING

SELECTIONS

• SET CONTROLLER ADDRESS

• LOG OFF FROM THE CONTROLLER

Sequence of Operation (CV Only)

. . . . . . . . . . . . . . . 47

• WATER ECONOMIZER COOLING

Sequence of Operation (VAV Only)

. . . . . . . . . . . . . . 48

• SUPPLY FAN

• COMPRESSOR COOLING

• WATER ECONOMIZER COOLING

• COOLING RESET

Diagnostic Features (CV Only)

. . . . . . . . . . . . . . . . . . 48

VAV Control and VFD Diagnostics

. . . . . . . . . . . . . . . 48

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Compressor Rotation

. . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Fan Motor Replacement

. . . . . . . . . . . . . . . . . . . . . . . . . 49

MAINTENANCE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49-51

Cleaning Unit Exterior

. . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Coil Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Inspection

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Air Filters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Condensate Drains

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Water-Cooled Condensers

. . . . . . . . . . . . . . . . . . . . . . 49

• GRAVITY FLOW METHOD

• FORCED CIRCULATION METHOD

Fan Motor Lubrication

. . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Fan Bearing Lubrication

. . . . . . . . . . . . . . . . . . . . . . . . 50

Fan Sheaves

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

• ALIGNMENT

Evaporator Fan Performance Adjustment

. . . . . . . 51

• BELT TENSION ADJUSTMENT

Charging the System

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

• REMOTE AIR-COOLED UNITS

Compressor Oil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . 51-65

Forcing and Clearing an Input or Output

(VAV only)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . .CL-1, CL-2

SAFETY CONSIDERATIONS

Installing, starting up, and servicing air-conditioning

components and equipment can be dangerous. Only trained,

qualified installers and service mechanics should install, start-

up, and service this equipment.

When working on the equipment, observe precautions in

the literature and on tags, stickers, and labels attached to the

OMNIZONE™

50BV020-064

Water-Cooled and Remote Air-Cooled

Indoor Self-Contained Systems and

Water-Cooled Heat Pumps

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Summary

Page 2 - Table 1 — Model Number Reference By Application Type; WARNING

2 equipment. Follow all safety codes. Wear safety glasses and work gloves. GENERAL Omnizone™ 50BV indoor packaged units are very flexible for a variety of applications. These self-contained units are available as water-cooled or remote air-cooled air conditioning units. The 50BV units are available ...

Page 3 - Table 2 — Modular Unit Shipping Table; Step 2 — Rig and Place Unit —; SECTIONS; Fig. 1 — Modular Unit Rigging

3 INSTALLATION Omnizone™ 50BV units are intended for indoor installa- tion only. Determine building alterations required to run piping, wiring, and ductwork. Read all installation instructions before installing the unit. Step 1 — Complete Pre-Installation Checks EXAMINE THE UNIT — Examine the unit f...

Page 19 - Fig. 15 — Typical Fan Discharge Connections for

19 ACOUSTICAL CONSIDERATIONS — Proper acoustical considerations are a critical part of every system’s design and operation. Each system design and installation should be reviewed for its own unique requirements. For job specific requirements, contact an acoustical consultant for guidance and recomme...

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