Carrier UH050-200- Installation Manual

Carrier UH050-200

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Table of Contents:

  • Page 2 – Table 1 — Physical Data
  • Page 4 – UNIT; FRONT VIEW; RIGHT
  • Page 5 – TOP VIEW
  • Page 6 – BOTTOM VIEW
  • Page 7 – in. Deep Unit with Front Discharge Plenum
  • Page 8 – in. Deep Unit with Down Discharge Plenum
  • Page 9 – Step 2 — Make Piping Connections —; Do not overtighten! Overtightening will dis-; CAUTION; Fig. 7 — Typical Condensate Drain Trap; DRAIN PAN; Fig. 8 — Drain Pan Connection Holes, Inside View; UPPER HOLE; Outside View
  • Page 10 – NOT; Step 3 — Make Electrical Connections —; Fig. 10 — Typical TXV Installation
  • Page 11 – See Note; Fig. 11 — Control Valves
  • Page 12 – Table 2 — Electric Heater Data for Units with PSC Motor
  • Page 13 – Table 2 — Electric Heater Data for Units with PSC Motor (cont)
  • Page 15 – Table 3 — Electric Heater Data for Units with ECM Motor
  • Page 16 – Table 3 — Electric Heater Data for Units with ECM Motor (cont)
  • Page 18 – Table 4 — Motor Data; PSC Motor Data
  • Page 19 – USE COPPER SUPPLY WIRES.; GND
  • Page 20 – PSC
  • Page 23 – Fig
  • Page 27 – ECM Motor with
  • Page 30 – Step 5 — Make Duct Connections —; Table 5 — Unit Ventilator Airflow — PSC Motor*
  • Page 31 – Table 6 — Unit Ventilator Airflow — ECM Airflow; Step 6 — Make Final Preparations
  • Page 32 – does not
  • Page 35 – Ensure that tag on each right front; WARNING
  • Page 36 – Fig. 24 — 40UV,UH Ventilator Blower Section
  • Page 38 – Ensure that tag on each right front panel
  • Page 39 – Fig. 26 — 40UV,UH Ventilator Coil Section
  • Page 41 – Fig. 27 — 40UH200 Ventilator Blower Drive Train Assembly
  • Page 42 – LEFT; Fig. 28 — 40UV,UH Ventilator Blower Drive Train Assembly —
  • Page 43 – Fig. 29 — 40UV,UH Ventilator Blower Drive Train Assembly —
  • Page 49 – Fig. 32 — 40UV,UH Ventilator Damper Section Removal/Installation
  • Page 52 – UNIT START-UP CHECKLIST; Please Fill Out the Following:
Loading the manual

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

Catalog No. 04-53400003-01

Printed in U.S.A.

Form 40UV,UH-10SI

Pg 1

8-11

Replaces: 40UV,UH-9SI

Installation, Start-Up and Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . 1

INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

PREINSTALLATION

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

Unpack and Inspect Units

. . . . . . . . . . . . . . . . . . . . . . . . 1

Protect Units From Damage

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

Prepare Jobsite for Unit Installation

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

Identify and Prepare Units

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

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31

Step 1 — Place Units in Position

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

Step 2 — Make Piping Connections

. . . . . . . . . . . . . . 9

Step 3 — Make Electrical Connections

. . . . . . . . . . 10

Step 4 — Mount Actuators (Field-Supplied)

. . . . . 10

Step 5 — Make Duct Connections

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

Step 6 — Make Final Preparations

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

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31,32

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-49

Periodic Maintenance Checklist

. . . . . . . . . . . . . . . . . 32

Preventing Excessive Condensation on Unit

. . . . 32

Check Drain

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Fan Motor Bearings

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Fan Shaft Ball Bearing

. . . . . . . . . . . . . . . . . . . . . . . . . . 32

Clean Fan Wheel

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Clean or Replace Air Filters

. . . . . . . . . . . . . . . . . . . . . 32

ECM Motor Removal and Reinstallation

. . . . . . . . . 32

Blower Assembly Section Removal and

Reinstallation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Coil Assembly Removal and Reinstallation

. . . . . . 38

Ball Bearing Replacement

. . . . . . . . . . . . . . . . . . . . . . . 40

Sleeve Bearing Replacement

. . . . . . . . . . . . . . . . . . . . 45

Blower Wheel Removal and Reinstallation

. . . . . . 47

Damper Section Removal and Reinstallation

. . . . 48

UNIT START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . CL-1

SAFETY CONSIDERATIONS

Installation and servicing of this unit can be hazardous due

to system pressure, electrical components and equipment loca-

tion (such as a ceiling or elevated structure). Untrained person-

nel can perform the basic maintenance functions of replacing

filters. Only trained and qualified service personnel should per-

form all other operations.

When installing this unit, observe precautions in the litera-

ture, tags and labels attached to the equipment, and any other

safety precautions that may apply.
• Follow all safety codes.

• Wear safety glasses and work gloves.

• Use care in handling and installing this unit and any

accessories.

• Use quenching cloth for all brazing operations.

• Have fire extinguisher available for all brazing

operations.

INTRODUCTION

This document contains general installation instructions for

the 40UV,UH unit ventilators. Refer to the unit wiring diagram

or to specific manufacturer literature for any other type of fac-

tory-mounted controls.

See submittal drawings for unit configurations, dimensions,

clearances, and pipe connections. Refer to unit wiring label for

all electrical connections; follow NEC (National Electrical

Code) and local codes.

PREINSTALLATION

Unpack and Inspect Units —

Immediately inspect

each unit upon receipt. Remove shipping wraps from all units.

Check the shipment against shipping order.

If shipment is dam-

aged or incomplete, file claim with transportation company and

advise Carrier immediately.

To prevent handling damage, remove shipping pallet only

when within a few feet of final position. Use 2 or more pallet

dollies to move units. See Fig. 1.

WARNING

Before performing service or maintenance operations, turn

off main power switch to the unit. Electrical shock could

cause personal injury.

CAUTION

Sharp edges, coil surfaces and rotating fans are a potential

injury hazard - avoid contact.

CAUTION

To prevent handling damage, remove pallet only when

within a few feet of final position.

Fig. 1 — Handling the Unit

a40-1645

40UV,UH050-200

Unit Ventilators

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Summary

Page 2 - Table 1 — Physical Data

2 Protect Units from Damage — To maintain warran- ty, protect units against adverse weather, theft, vandalism, and debris on the jobsite. Do not allow foreign material to fall into drain pan. Prevent dust and debris from being deposited on motor and fan wheels. If the equipment is stored for any len...

Page 4 - UNIT; FRONT VIEW; RIGHT

4 Fig. 2 — 40UV Dimensions — 16 5 / 8 -in. Deep Units (Standard) NOTES: 1. All dimensions are in inches.2. Dimension does not include end panels.3. Three front panels provided for service access.4. Motor and electrical power input box on right side of unit. Box includes fan speed switch, On/Off swit...

Page 5 - TOP VIEW

5 Fig. 3 — 40UV Dimensions — 21 7 / 8 -in. Deep Units (With Piping Chase) UNIT 40UV AIRFLOW (cfm) DIMENSIONS (in.) APPROXIMATE SHIPPING WEIGHT (lb) APPROXIMATE INSTALLED WEIGHT (lb) W1 W2 W3 050 500 50 24 16.60 340 325 075 750 62 36 31.67 410 390 100 1000 74 48 46.74 490 470 125 1250 86 60 61.81 605...

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