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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. 04-53620011-01 Printed in U.S.A. Form 62E-3SI Pg 1 8-10 Replaces: 62E-2SI
Installation, Start-Up and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS
. . . . . . . . . . . . . . . . . . . . . . . 1
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Step 1 — Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Step 2 — Install Roof Curb . . . . . . . . . . . . . . . . . . . . . . . . 1
COUPLED APPLICATIONS
COMBINATION ROOF CURB
DROP-IN DAMPER BOX
HORIZONTAL BASE AND TRANSITION
VERTICAL STAND-ALONE APPLICATIONS
HORIZONTAL STAND-ALONE APPLICATIONS
Step 3 — Rig and Place Unit . . . . . . . . . . . . . . . . . . . . 13
Step 4 — Make Electrical Connections . . . . . . . . . . 14
POWER SUPPLY
ELECTRICAL CONNECTIONS
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-27
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Rain Hoods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Energy Recovery Wheel. . . . . . . . . . . . . . . . . . . . . . . . . 17
DRIVE BELT
•AIR SEALS
Airflow Settings and Adjustments. . . . . . . . . . . . . . . 17
UNITS WITH EZERV CONROL OPTION
Operating Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
ComfortLink™ Interface Device . . . . . . . . . . . . . . . . . 22
Optional BACnet or LON Communications
Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27-31
Removing and Installing Non-Segmented
Wheel for Cleaning (62EB,E7 Units) . . . . . . . . . . . 27
Removing and Installing Non-Segmented Wheel
for Cleaning (62ECC and 62E2C Units) . . . . . . . . 28
Removing Wheel Segments for Cleaning (62ECD,
62ED-EU, 62E2D, and 62E3-E6 Units). . . . . . . . . . 28
Installing Wheel Segments. . . . . . . . . . . . . . . . . . . . . . . 28
Wheel Drive Motor and Pulley Replacement
(62EC-EU and 62E2-E6 Units) . . . . . . . . . . . . . . . . . 29
Belt Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
ALTERNATE BELT REPLACEMENT METHODS
Removing the Service Door . . . . . . . . . . . . . . . . . . . . . 30
Replacing a Blower (All ERV Cabinets Except
62EB and 62E7 Units) . . . . . . . . . . . . . . . . . . . . . . . . . 30
EXHAUST SIDE
SUPPLY SIDE
Replacing a Blower (62EB and 62E7
Size Cabinets). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
EXHAUST OR SUPPLY SIDE
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31,32
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Air Seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Wheel Drive Components . . . . . . . . . . . . . . . . . . . . . . . 32
Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Page
Replacing the Throwaway Filters . . . . . . . . . . . . . . . . 32
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32,33
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. All 62E units are config-
ured for vertical discharge (through the bottom). An accessory
base is available for horizontal discharge applications. The 62E
can be used as a standalone unit, or it can be coupled with a
rooftop unit (RTU). See Tables 1 and 2 for unit data.
INSTALLATION
Step 1 — Inspect Unit —
Inspect the unit; file a claim
with the shipping company if the unit is damaged. Check the
packing list to ensure that the correct items have been received
and notify your Carrier representative of any discrepancy.
Step 2 — Install Roof Curb
COUPLED APPLICATIONS — The ERV unit can be in-
stalled directly coupled to a RTU. For vertical (through the
roof) applications, the connection between the ERV and RTU
can be made with the use of a combination roof curb or by us-
ing the drop-in damper box accessory. For horizontal (above
the roof) applications using 62EB-EU units, the horizontal base
and transition accessories are available.
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
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Resumo do Conteúdo

Página 1 - Service Instructions

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

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10CLEARANCE"A"CLEARANCE"B"CLEARANCE36.000DUCT CONNECTIONSPACE IF NO HOODS"C"SEE NOTE 3FIELD TERMINAL STRIPACCESSOUTSIDE

Página 3

11Locate the Roof Curb — Prior to locating the roof curb con-sider the structural support required for the rooftop system. Al-low sufficient space for

Página 4

12Install Roofing Materials — Insulate and add a cant strip tothe roof curb. Follow suggested and acceptable roofing proce-dures for applying roofing

Página 5 - TOP VIEW

13using 1-in. self-tapping sheet metal screws every 18 in. aroundthe perimeter.NOTE: The ERV may also be mounted to the horizontal baseprior to being

Página 6

14Step 4 — Make Electrical ConnectionsPOWER SUPPLY — The electrical characteristics of theavailable power supply must agree with the unit nameplat

Página 7 - *Field provided

15Table 4 — Supply and Exhaust Fans Electrical DataLEGENDTable 5 — Electric Heat Electrical Data — HeaterLEGENDFANOPTION62ECHASSISUNITV-PhFAN MOTORV-P

Página 8

16ERV OPTION BOARD #1ERV OPTION BOARD #2Fig. 14 — Typical Wiring Schematic

Página 9

17START-UPUse the following information to check unit PRIOR to start-up.Unit Preparation — Check that the unit has been in-stalled in accordance with

Página 10 - ERV AIR DIVIDER SHOWING

18Table 6 — Airflow vs. Pressure Drop Across ERV WheelNOTE: Pressure sensing ports are provided on both sides of theERV wheel for testing and balancin

Página 11

19Table 6 — Airflow vs. Pressure Drop Across ERV Wheel (cont)NOTE: Pressure sensing ports are provided on both sides of theERV wheel for testing and b

Página 12 - SCALE 1 : 3

2COMBINATION ROOF CURB (62EB-EU Units) — For62EB-EU units, the combination roof curb is a single curb thatsupports both the ERV and RTU and has int

Página 13

20button again to return to the main screen. Replace the user con-trol cover.Modulating CO2 with Balanced Air Option (Fig. 20) —This option allo

Página 14 - EYE HOOKS

21FALSETRUEFALSEFALSEFALSEFALSEFALSEFALSEFALSEFALSETRUETRUETRUETRUETRUETRUETRUETRUEERV Wheel OffSupply Blower OffExhaust Blower Off2-Pos Motor ClosedW

Página 15

22MOTORIZED DAMPERS — Units may have an optionaltwo-position outside-air damper, exhaust-air damper, or both.The dampers will modulate closed when the

Página 16 - ERV OPTION BOARD #1

23 Fig. 25 — UPC Open Controller87654321098765432109BACNETBAUD RATEDIP SWITCHESADDRESSROTARYSWITCHESPOWER LEDRUN LEDERROR LEDBACNETCONNECTION(BAS PO

Página 17

24Table 8 — MS/TP Wiring Recommendations LEGENDTO ADDRESS THE UPC OPEN CONTROLLER — Theuser must give the UPC Open contro

Página 18

25adding the MAC address to the end of the Network Number.The Network Number of a new UPC Open controller is 16101,but it can be changed using i-Vu® T

Página 19

26Table 12 — Network Points ListREMOTE BP SENSOR (AV:11) — This parameter is onlyapplicable if the ERV is running in a building pressure basedmode of

Página 20 - — Follow the steps

27SENSOR ENABLE (BV:12) is set to 0, then the ERV will usethe DCV CO2 INSIDE (AV:2) parameter. Any value can bewritten into this parameter. The ERV wi

Página 21

28engages the notch at the end of the shaft when reinstallingthe wheel.4. Pull the wheel straight off the shaft. Handle wheel withcare to prevent dist

Página 22

291. Begin by positioning one segment opening at the top ofthe cassette. Unlock and open the segment retainingbrackets on both sides of the selected s

Página 23 - Fig. 26 — Network Wiring

3Table 1 — Physical Data (cont)LEGENDUNIT 62E LD LG MD MG ND NG PD PGNOMINAL CAPACITY (cfm) 7,600 9,200 6,000 10,800 11,000 13,800 12,600 15,000CAPA

Página 24 - 1's

30support beam. Secure the bearing with 2 self-lockingnuts.7. Install the belts around the wheel and pulley according tothe instructions provided with

Página 25 - (mode no. 2)

31Replacing a Blower (62EB and 62E7 Units)EXHAUST OR SUPPLY SIDE — Turn off the power to theunit. Remove all of the screws from the top panel. Pry the

Página 26

32as a feeler gage, position paper between the wheel surface anddiameter seals. Adjust seals towards wheel surface until a slightfriction on the feele

Página 27

33Table 13 — ERV TroubleshootingSYMPTOM POSSIBLE CAUSES ACTION TO CHECK POSSIBLE REMEDYERV will not turn onDisconnect switch is in the off positionVer

Página 28

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

Página 30 - 62EB and 62E7 Units)

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

Página 31 - MAINTENANCE

4Table 2 — Supply/Exhaust Fan Options Physical DataLocate the Combination Curb — Prior to locating the combi-nation curb, consider the structural supp

Página 32 - TROUBLESHOOTING

5Locate the ERV Roof Curb — Prior to locating the ERV roofcurb consider the structural support required for the rooftopsystem, the duct drop location

Página 33

6NOTES:1. Clearance above cabinet is 36 inches. 2. All dimensions shown in inches.62E UNIT TYPEDIMENSIONS (in.)ABCH I JKLMNL 82.750 30.000 85.000 85.5

Página 34

7Fig. 5 — Typical Installation with Drop-in Damper Box*Field provided.Fig. 4 — Roofing Materials — RecommendationENDSIDEFig. 6 — Assembling the Roof C

Página 35

8Install Ductwork — Ductwork will be installed in the ERVroof curb for applications utilizing the drop-in damper box. Theduct will hang from the top o

Página 36 - II. DESIGN INFORMATION:

9HORIZONTAL BASE AND TRANSITION (62EA-EUand 62E2-E7 Units) — The horizontal transition accessory isused to connect the ERV to the horizontal retur

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