Carrier 62E - Manual

Carrier 62E

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Table of Contents:

  • Page 2 – Table 1A — Physical Data — SI
  • Page 4 – Table 1B — Physical Data — English
  • Page 5 – Table 1B — Physical Data — English (cont)
  • Page 6 – INSTALLATION
  • Page 7 – Fig. 1 — Typical Combination Curb; ERV; RTU
  • Page 8 – Fig. 2 — 62EB-62EK Vertical Unit Cabinet Dimensions; TYPE
  • Page 9 – Fig. 3 — 62EL-62EU Unit Cabinet Dimensions
  • Page 10 – Fig. 6 — Assembling the Roof Curb
  • Page 12 – Fig. 9 — Typical 62E2-E7 Unit Installation
  • Page 14 – Step 5 — Install Standard Roof Curb
  • Page 16 – FORK POCKET; Fig. 12 — 62EB-62EU Unit Horizontal Discharge Box Dimensions
  • Page 17 – Step 7 — Make Electrical Connections; Table 3 —; WARNING; Fig. 13 — Rigging and Handling
  • Page 18 – FLA —; Qty —
  • Page 20 – HEATER
  • Page 21 – Fig. 14 — Typical Wiring Schematic
  • Page 23 – Table 6 — Airflow vs. Pressure Drop Across ERV Wheel; AIRFLOW VS. PRESSURE DROP ACROSS ERV WHEEL
  • Page 25 – Operating Sequence —; Fig. 19 — Exhaust Air Offset Screen
  • Page 26 – Fig. 24 — ERV Sequence of Operation
  • Page 27 – Comfort; LinkTM Interface Device —; fort
  • Page 28 – Fig. 25 — UPC Open Controller; SS; Fig. 26 — Network Wiring
  • Page 31 – Table 12 — Network Points List
  • Page 33 – Installing Wheel Segments; Transfer Wheel Assembly; CAUTION; Fig. 32 — Unlocking the
  • Page 34 – Belt Replacement; Fig. 33 — Using a Stop on the Wheel; Fig. 35 — Motor Side View of Segment; Fig. 36 — Latch Segment Retaining Brackets
  • Page 35 – Removing the Service Door —; Fig. 37 — Pulley Location
  • Page 37 – Fig. 39 — Diameter Seal Adjustment
  • Page 38 – TROUBLESHOOTING; See Table 13 for troubleshooting information.; Table 13 — ERV Troubleshooting; SYMPTOM
  • Page 40 – Application
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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. 04-53620007-01

Printed in U.S.A.

Form 62E-C1SI

Pg 1

8-10

Replaces: New

Installation, Start-Up and

Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

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

GENERAL

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21

Step 1 — Inspect the Unit

. . . . . . . . . . . . . . . . . . . . . . . . . . 6

Step 2 — Install Combination Roof Curb
(62EB-EU Units)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Step 3 — Install Drop in Damper Box
(62EB-EU Units)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Step 4 — Install Horizontal Base and Transition
(62EB-EU and 62E2-E7 Units)

. . . . . . . . . . . . . . . . . . . . 7

Step 5 — Install Standard Roof Curb

. . . . . . . . . . . . . . 14

• VERTICAL STAND-ALONE APPLICATIONS

• HORIZONTAL STAND-ALONE APPLICATIONS

Step 6 — Rig and Place Unit

. . . . . . . . . . . . . . . . . . . . 16

Step 7 — Make Electrical Connections

. . . . . . . . . . 17

• POWER SUPPLY

• ELECTRICAL CONNECTIONS

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-32

Unit Preparation

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Internal Wiring

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Rain Hoods

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Energy Recovery Wheel

. . . . . . . . . . . . . . . . . . . . . . . . . 22

• DRIVE BELT

• AIR SEALS

Airflow Settings and Adjustments

. . . . . . . . . . . . . . . 22

• UNITS WITH EZERV CONROL OPTION

Operating Sequence

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Comfort

Link™ Interface Device

. . . . . . . . . . . . . . . . . 27

Optional BACnet or LON Communications
Interface

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-36

Removing and Installing Non-Segmented

Wheel for Cleaning (62EB,E7 Units)

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

Removing and Installing Non-Segmented Wheel
for Cleaning (62ECC and 62E2C Units)

. . . . . . . . 33

Removing Wheel Segments for Cleaning (62ECD,
62ED-EU, 62E2D, and 62E3-E6 Units)

. . . . . . . . . 33

Installing Wheel Segments

. . . . . . . . . . . . . . . . . . . . . . . 33

Wheel Drive Motor and Pulley Replacement

(62EC-EU and 62E2-E6 Units)

. . . . . . . . . . . . . . . . . 34

Belt Replacement

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

• ALTERNATE BELT REPLACEMENT METHODS

Removing the Service Door

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

Replacing a Blower (All ERV Cabinets Except

62EB and 62E7 Units)

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

• EXHAUST SIDE

• SUPPLY SIDE

Replacing a Blower (62EB and 62E7

Size Cabinets)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

• EXHAUST OR SUPPLY SIDE

MAINTENANCE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36,37

Cleaning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Air Seals

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Page

Wheel Drive Components

. . . . . . . . . . . . . . . . . . . . . . . 37

Air Filters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Replacing the Throwaway Filters

. . . . . . . . . . . . . . . . 37

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

START-UP CHECKLIST

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

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can

be hazardous due to system pressure and electrical compo-

nents. Only trained and qualified service personnel should

install, repair, or service air-conditioning equipment.

Untrained personnel can perform the basic maintenance

functions of cleaning coils and filters and replacing filters. All

other operations should be performed by trained service

personnel. When working on air-conditioning equipment,

observe precautions in the literature, tags and labels attached to

the unit, and other safety precautions that may apply.

Follow all safety codes. Wear safety glasses and work

gloves. These instructions describe how to install, start up, and

service 62E energy recovery ventilator (ERV) units.

GENERAL

The 62E ERV units recover energy from building exhaust

air and pre-condition ventilation air. See Tables 1A-2B for unit

data. All 62EB-62EU units are configured for vertical dis-

charge (through the bottom). Vertical units may be installed on:
• a stand-alone roof curb

• a combination curb for direct coupled connection to a

rooftop unit
If horizontal supply and return is desired using a vertical

unit, the vertical unit may be installed on a horizontal supply/

return base.
NOTE: The horizontal supply/return base accessory includes a

roof curb. The horizontal supply/return base should NOT be

used with a stand-alone roof curb.

All 62E2-62E7 units are configured for horizontal discharge

(through the side). Horizontal units may be installed on a

stand-alone roof curb.
DIRECT COUPLED APPLICATIONS (Vertical) — The

ERV unit can be installed directly coupled to a RTU (rooftop

unit). For vertical (through the roof) applications, the connec-

tion between the 62EB-62EU ERV unit and the RTU may be

WARNING

Electrical shock can cause personal injury and death. Shut

off all power to this equipment during installation. There

may be more than one disconnect switch. Tag all discon-

nect locations to alert others not to restore power until work

is completed.

62E

Energy Recovery Ventilators

50 Hz

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Summary

Page 2 - Table 1A — Physical Data — SI

2 made with the use of a combination roof curb or by using the drop in damper box accessory. The combination roof curb is a single curb that supports both the ERV and the RTU and as internal supply and exhaust air transitions. The drop in damper box provides a means to make the supply and exhaust ai...

Page 4 - Table 1B — Physical Data — English

4 Table 1B — Physical Data — English LEGEND UNIT 62E BA/7A BC/7C CC/2C CD/2D CG/2G DD/3D DG/3G NOMINAL CAPACITY (cfm) 350 500 1000 900 1100 1300 1600 CAPACITY RANGE (cfm) 200-800 200-900 500-1150 400-1100 500-1400 600-1600 800-2000 MAXIMUM SHIPPING WEIGHT (lb) 331 336 488 502 502 627 627 MAXIMUM OPE...

Page 5 - Table 1B — Physical Data — English (cont)

5 Table 1B — Physical Data — English (cont) LEGEND UNIT 62E LD LG MD MG ND NG PD PG NOMINAL CAPACITY (cfm) 7,600 9,200 6,000 10,800 11,000 13,800 12,600 15,000 CAPACITY RANGE (cfm) 3,500-9,000 5000- 12,000 3000-7500 5500- 14,500 5500- 13,500 7000- 17,500 6000- 15,500 7500- 20,000 MAXIMUM SHIPPING WE...

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