Carrier 62MB Installation, Start-Up And Service Instructions Manual
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Carrier 62MB Installation, Start-Up And Service Instructions Manual

Carrier 62MB Installation, Start-Up And Service Instructions Manual

Energy recovery ventilators
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CONTENTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-58
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Step 3 - Rigging and Handling . . . . . . . . . . . . . . . . . 45
• MOUNTING THE UNIT INDOORS
• ELECTRICAL CONNECTIONS
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59-75
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Rain Hoods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Energy Recovery Wheel . . . . . . . . . . . . . . . . . . . . . . . . . 59
Blower Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Airflow Settings and Adjustments. . . . . . . . . . . . . . . 59
Variable Air Volume Option. . . . . . . . . . . . . . . . . . . . . . 74
Operating Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
• UNOCCUPIED MODE
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75-78
(62M170-950 Units). . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Wheel for Cleaning (62M040 Units). . . . . . . . . . . . 75
Belt Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78,79
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.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 536-220
Book 1
4
Tab
10a 12a
Installation, Start-Up and
Service Instructions
Page
. . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . 47
1
/
TON
2
. . . . . . . . . . . . 47
Printed in U.S.A.
62MB,MC,MD,ME040-950
Energy Recovery
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 62M energy recovery ventilator units.
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.

INTRODUCTION

The 62M energy recovery ventilator (ERV) units recover
energy from building exhaust air and pre-condition ventilation
air. All ERV units are available in either vertical discharge
(through the bottom) or horizontal discharge configuration.
The 62MB and MC vertical discharge units are used when a
stand-alone ERV unit is required.
The 62MD and ME horizontal discharge unit can be used as
a stand-alone unit, or can also be coupled with a Carrier rooftop
unit.
INSTALLATION

Step 1 - Inspection -

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

STAND-ALONE APPLICATIONS - The ERV unit can be
installed without being coupled with a Carrier rooftop unit. The
ERV units can be installed in one of three stand-alone applica-
tions: down discharge, horizontal discharge, or a combination
of both down discharge and horizontal discharge.
When installing a stand-alone ERV unit refer to Fig. 1-45
and, complete the following:
Locate the Roof Curb - Prior to locating the roof curb con-
sider the structural support required for the rooftop system and,
the duct drop location in relation to the joists. Allow sufficient
space for service, clearance, and locations of vents or other
sources of air.
Form 62M-1SI
Pg 1
Ventilators
Inspect the unit; file a claim
1-06
Replaces: New

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  • Page 1: Table Of Contents

    All ERV units are available in either vertical discharge (through the bottom) or horizontal discharge configuration. The 62MB and MC vertical discharge units are used when a stand-alone ERV unit is required. The 62MD and ME horizontal discharge unit can be used as a stand-alone unit, or can also be coupled with a Carrier rooftop unit.

  • Page 2: Stand-Alone Applications

    Refer to Fig. 6 for roofing recommendations. COUPLED APPLICATIONS — The ERV unit can be in- stalled directly coupled to a Carrier rooftop unit. The connec- tion between the ERV and HVAC (Heating, Ventilation, and Air Conditioning) unit is made with the use of a transition. In a coupled rooftop application there is a separate roof curb for the HVAC curb and a separate roof curb for the ERV unit.
  • Page 3 Set the Roof Curb — Fit the roof curb assembly by measuring across the corners of the curb to ensure a square fit. Set the roof curb over the roof opening. Level the curb by placing shims under the bottom flange of the curb. Secure the curb in place by welding or fastening the curb to the roof.
  • Page 4 LEGEND R/A — Return Air S/A — Supply Air *IMPORTANT: Insulation on deck pans must face up. NOTE: Roof curb shipped unassembled. CURB 62M UNIT SIZE PART NO. 075,120 62M-A-CRB-14S 170-285 62M-B-CRB-14S 330-640 62M-C-CRB-14S 750,950 62M-D-CRB-14S Fig. 3 — Roof Curb — 62M075-950 for Vertical Stand-Alone Applications ERV Curb LEGEND ERV —...
  • Page 5 Must be Watertight Locator pieces to connect ERV curb to rooftop unit curb LEGEND ERV — Energy Recovery Ventilator NOTE: Roof curb shipped unassembled. Fig. 5 — Roof Curb — 62M075-285 Units 3 to 12 RIGID INSULATION* CANT STRIP* ROOF DECK* ROOF* *Field provided.
  • Page 16 Rooftop Curb 37” Top View ROOFTOP UNIT MODEL ROOFTOP SIZE 48/50HJ,TJ,TM 004-007 Fig. 17 — 62MD,ME040 Coupled with Carrier 48/50HJ,TJ,TM004-007 Vertical Discharge Rooftop Unit Filter access door shipped with Rooftop Unit 62M040 Unit Outside air hood with aluminum water entrain- ment filter.
  • Page 17 Equipment support Rooftop Curb 37” ROOFTOP UNIT MODEL ROOFTOP SIZE 48/50HJ,TJ,TM 004-007 Fig. 18 — 62MD,ME040 Coupled with Carrier 48/50HJ,TJ,TM004-007 Horizontal Discharge Rooftop Unit Filter access door shipped with Rooftop Unit 62M040 Unit Outside air hood with aluminum water entrain- ment filter.
  • Page 18 44 11/16” Return Supply Rooftop Curb LEGEND ERV — Energy Recovery Ventilator ROOFTOP UNIT MODEL 48/50PG Fig. 19 — 62MD,ME040 Coupled with Carrier 48/50PG03-07 Vertical Discharge Rooftop Unit TRANSITION DETAIL 35” 4 3/8” Accessory ERV Equipment support ROOFTOP SIZE TRANSITION P/N...
  • Page 19 80 5/16” 44 11/16” Rooftop Curb LEGEND ERV — Energy Recovery Ventilator ROOFTOP UNIT MODEL 48/50PG Fig. 20 — 62MD,ME040 Coupled with Carrier 48/50PG03-07 Horizontal Discharge Rooftop Unit TRANSITION DETAIL 35” 4 3/8” Accessory ERV Equipment support ROOFTOP SIZE TRANSITION P/N...

  • Page 20: Top View

    Supply 37 3/16" 3" 35 " Standard Roof curb for 3 to 6 ton roof top unit 14" Fig. 21 — 62MD,ME040 Coupled with Carrier 48/50HJ,TJ,TM004-007 Rooftop Unit ROOF CURB LAYOUT TOP VIEW 67 3/8" Return 34 3/8" 36" 62MA-900---001 Equipment Support "A-A"...
  • Page 21 2 3/4" 20" ROOFTOP UNIT ROOFTOP SIZE MODEL 004-007 48/50HJ,TF,TJ,TM 008,009 012,014 Fig. 22 — 62MD,ME075,120 Coupled with Carrier 48/50HJ,TF,TJ,TM004-014 Vertical Discharge Rooftop Unit Rooftop unit Unit curb 62M075,120 ERV Unit Locator pieces (included with ERV curb, must be watertight) ROOF CURB LOCATION DETAIL 30.5”...
  • Page 22 2 3/4" 20" ROOFTOP UNIT ROOFTOP SIZE MODEL 004-007 48/50HJ,TF,TJ,TM 008,009 012,014 Fig. 23 — 62MD,ME075,120 Coupled with Carrier 48/50HJ,TF,TJ,TM004-014 Horizontal Discharge Rooftop Unit Rooftop unit 62M075,120 ERV Unit Locator pieces (included with ERV curb, must be watertight) ROOF CURB LOCATION DETAIL LEGEND 30.5"...
  • Page 23 Rooftop Unit Curb Locator pieces (included with ERV Curb) ROOFTOP MODEL ROOFTOP SIZE 03-07 48/50PG 08-14 Fig. 24 — 62MD,ME075,120 Coupled with Carrier 48/50PG03-14 Vertical Discharge Rooftop Unit Rooftop Unit Locator pieces (included with ERV Curb ERV curb, must be watertight) LEGEND ERV —...
  • Page 24 Locator pieces (included with ERV Curb) ROOFTOP MODEL ROOFTOP SIZE 03-07 48/50PG 08-14 Fig. 25 — 62MD,ME075,120 Coupled with Carrier 48/50PG03-14 Horizontal Discharge Rooftop Unit Rooftop Unit Locator pieces (included with ERV curb, must be watertight) ERV — Energy Recovery Ventilator...
  • Page 25 Top View ROOFTOP UNIT ROOFTOP SIZE MODEL 004-007 48/50HJ,TF,TJ,TM 008,009 012,014 Fig. 26 — 62MD,ME170-285 Coupled with Carrier 48/50HJ,TF,TJ,TM004-014 Vertical Discharge Rooftop Unit Rooftop unit Rooftop curb Locator Pieces (included with ERV curb, must be watertight) Accessory Transition 62M170-285 ERV Unit...
  • Page 26 2 3/4" 38" Top View ROOFTOP UNIT ROOFTOP SIZE MODEL 004-007 48/50HJ,TF,TJ,TM 008,009 012,014 Fig. 27 — 62MD,ME170-285 Coupled with Carrier 48/50HJ,TF,TJ,TM004-014 Horizontal Discharge Rooftop Unit Rooftop Unit Optional Horizontal Economizer Locator pieces (included with ERV curb, Horizontal must be watertight)
  • Page 27 67 1/16"* TOP VIEW ″ for 48/50TM028 units. *Length is 89 ROOFTOP UNIT MODEL 48/50TJ,TM 48/50HJ Fig. 28 — 62MD,ME170-285 Coupled with Carrier 48/50TJ,TM016-028 and 48/50HJ015,017 Vertical Discharge Rooftop Unit Rooftop Unit Accessory Transition Unit curb ERV curb 62M170-285 ERV Unit...
  • Page 28 Locator pieces (included with ERV Curb) ROOFTOP MODEL ROOFTOP SIZE 03-07 48/50PG 08-14 Fig. 29 — 62MD,ME170-285 Coupled with Carrier 48/50PG03-14 Vertical Discharge Rooftop Unit Rooftop Unit Locator pieces (included with ERV curb, must be watertight) LEGEND ERV — Energy Recovery Ventilator...
  • Page 29 Locator pieces (included with ERV Curb) ROOFTOP MODEL ROOFTOP SIZE 03-07 48/50PG 08-14 Fig. 30 — 62MD,ME170-285 Coupled with Carrier 48/50PG03-14 Horizontal Discharge Rooftop Unit Rooftop Unit Locator pieces (included with ERV curb, must be watertight) LEGEND ERV — Energy Recovery Ventilator...
  • Page 30 Rooftop Unit Curb Top View ROOFTOP MODEL ROOFTOP SIZE 48/50PG 20-28 48/50HJ 020-028 Fig. 31 — 62MD,ME170-285 Coupled with Carrier 48/50PG20-28 and 48/50HJ020-028 Horizontal Discharge Rooftop Unit Rooftop Unit Accessory Transition 62M170-285 ERV Unit ERV — Energy Recovery Ventilator O/A Hood...
  • Page 31 Top View Rooftop Unit Curb Top View ROOFTOP MODEL ROOFTOP SIZE 48/50PG 20-28 48/50HJ 020-028 Fig. 32 — 62MD,ME170-285 Coupled with Carrier 48/50PG20-28 and 48/50HJ020-028 Vertical Discharge Rooftop Unit Rooftop Unit Standard HVAC Unit Roofcurb Accessory Transition ERV Curb Accessory...
  • Page 32 50" 33 1/2" Top View ROOFTOP UNIT MODEL ROOFTOP SIZE 48/50HJ,TF,TJ,TM Fig. 33 — 62MD,ME330-640 Coupled with Carrier 48/50HJ,TF,TJ,TM012,014 Vertical Discharge Rooftop Unit Accessory Transition 62M330-640 ERV Unit ERV — Energy Recovery Ventilator — Outdoor Air NOTE: When using a 62M ERV unit coupled with a Carrier rooftop unit, the rooftop factory or field- installed economizer cannot be used.
  • Page 33 78 1/4" 9" 50" 33 1/2" Top View ROOFTOP UNIT MODEL 48/50HJ,TF,TJ,TM Without Economizer 48/50HJ,TF,TJ,TM With Economizer Fig. 34 — 62MD,ME330-640 Coupled with Carrier 48/50HJ,TF,TJ,TM012,014 Horizontal Discharge Rooftop Unit Rooftop Unit Horizontal supply duct (field supplied) Horizontal return (field supplied)
  • Page 34 Top View ″ for 48/50TM028 units. *Length is 89 ROOFTOP UNIT MODEL 48/50TJ,TM 48/50HJ Fig. 35 — 62MD,ME330-640 Coupled with Carrier 48/50TJ,TM016-028 and 48/50HJ015,017 Rooftop Unit Rooftop Unit Curb Accessory Transition ERV curb TJ/HJ 15 to 25 Ton Rooftop Unit...
  • Page 35 ROOFTOP UNIT ROOFTOP SIZE MODEL 48/50PG 08-14 Fig. 36 — 62MD,ME330-640 Coupled with Carrier 48/50PG08-14 Vertical Discharge Rooftop Unit Rooftop Unit LEGEND ERV — Energy Recovery Ventilator NOTE: When using a 62M ERV unit coupled with a Carrier rooftop unit, the rooftop factory or field-installed economizer cannot be used.
  • Page 36 ROOFTOP UNIT ROOFTOP SIZE MODEL 48/50PG 08-14 Fig. 37 — 62MD,ME330-640 Coupled with Carrier 48/50PG08-14 Horizontal Discharge Rooftop Unit Rooftop Unit LEGEND ERV — Energy Recovery Ventilator NOTE: When using a 62M ERV unit coupled with a Carrier rooftop unit, the rooftop factory or field-installed economizer cannot be used.
  • Page 37 Rooftop Unit Curb 44 3/4" Top View ROOFTOP MODEL ROOFTOP SIZE 48/50PG 20-28 48/50HJ 020-028 Fig. 38 — 62MD,ME330-640 Coupled with Carrier 48/50PG20-28 and 48/50HJ020-028 Horizontal Discharge Rooftop Unit Rooftop Unit Accessory Transition Rooftop Unit Curb Accessory Transition 62M330-640 ERV Unit ERV —...
  • Page 38 Rooftop Unit Curb 44 3/4" Top View ROOFTOP MODEL ROOFTOP SIZE 48/50PG 20-28 48/50HJ 020-028 Fig. 39 — 62MD,ME330-640 Coupled with Carrier 48/50PG20-28 and 48/50HJ020-028 Vertical Discharge Rooftop Unit Rooftop Unit Accessory Transition Accessory Transition 62M330-640 ERV Unit O/A Hood...

  • Page 39: Side View

    2. ERV cannot be coupled to a horizontal return rooftop unit. Outside air hood ERV Curb ROOFTOP UNIT MODEL 48/50A Fig. 40 — 62MD,ME330-640 Coupled with Carrier 48/50A020-060 Vertical Discharge Rooftop Unit 62M ERV Unit O/A hood Exhaust hood ROOF CURB LA YOUT 58 3/4" Rooftop Unit Curb 77 3/4"...
  • Page 40 *Length is 89 48/50TM028 units. ROOFTOP UNIT MODEL ROOFTOP SIZE 48/50TJ,TM 016-028 48/50HJ 015,017 Fig. 41 — 62MD,ME750,950 Coupled with Carrier 48/50TJ,TM016-028 and 48/50HJ015,017 Vertical Discharge Rooftop Unit Rooftop Unit Rooftop Accessory Unit Curb Transition 62M750,950 ERV Unit O/A Hood ERV —...
  • Page 41 44 3/4” Top View ROOFTOP MODEL ROOFTOP SIZE 48/50PG 20-28 48/50HJ 020-028 Fig. 42 — 62MD,ME750,950 Coupled with Carrier 48/50PG20-28 and 48/50HJ020-028 Vertical Discharge Rooftop Unit Rooftop Unit Accessory Transition 62M750,950 ERV ERV — Energy Recovery Ventilator O/A Hood — Outdoor Air NOTE: The ERV unit can be used with a factory- installed economizer, if desired.
  • Page 42 Rooftop Unit Curb 44 3/4” Top View ROOFTOP MODEL ROOFTOP SIZE 48/50PG 20-28 48/50HJ 020-028 Fig. 43 — 62MD,ME750,950 Coupled with Carrier 48/50PG20-28 and 48/50HJ020-028 Vertical Discharge Rooftop Unit Rooftop Unit Accessory Transition Accessory 62M750,950 ERV Transition O/A Hood Relief Hood...
  • Page 43 Rooftop Unit Curb 0" 57 9/16" (See curb detail) Top View 77 3/4" ROOFTOP UNIT MODEL 48/50A Fig. 44 — 62MD,ME750,950 Coupled with Carrier 48/50A020-060 Rooftop Unit Rooftop Unit Accessory Unit curb Transition 62M750,950 ERV Unit Accessory Transition O/A Hood ERV —...
  • Page 44 Top View Horizontal Discharge - Stand-Alone Unit Top View Down Discharge - Optional Stand-Alone Unit Pre-heater Optional Pre-heater 2 in. pre-filters ERV wheel Outside air outside air rainhood Optional ERV roof curb Fig. 45 — 62M Airflow in Stand-Alone Applications Exhaust hood (outdoor units only) Exhaust...

  • Page 45: Installation

    Step 3 — Rigging and Handling — unit from the shipping platform to the storage or installation site, refer to the rigging label on the unit and these instructions. All panels must be in place when rigging. Unit is not designed for handling by fork truck.
  • Page 46 NOMINAL CAPACITY (cfm) CAPACITY RANGE (cfm) MAXIMUM SHIPPING WEIGHT (lb) Single-Wall Models Double-Wall Models MAXIMUM OPERATING WEIGHT (lb) Single-Wall Models Double-Wall Models 62MB,MC INDOOR UNIT DIMENSIONS (in.) Length* Width Height 62MD,ME OUTDOOR UNIT DIMENSIONS (in.)† Length* Width Height ROTARY ENERGY EXCHANGER Type Size (Diam.

  • Page 47: Power Supply

    Step 4 — Installing ERV Transitions — pling ERV units with Carrier rooftop units an ERV transition is required to link the ERV unit and the Carrier rooftop unit together. ERV UNIT COUPLED WITH A 3 to 12 UNIT — Complete the following steps to install a transition to a 3 to 12 ton rooftop unit.

  • Page 48: Power Supply

    Table 2 — Electrical Data Without VAV Option UNIT SIZE VOLTAGE ERV WHEEL (V-Ph-Hz) 115-1-60 230-1-60 208/230-3-60 460-3-60 575-3-60 115-1-60 230-1-60 208/230-3-60 460-3-60 575-3-60 115-1-60 230-1-60 208/230-3-60 460-3-60 575-3-60 230-1-60 208/230-3-60 460-3-60 575-3-60 LEGEND — Energy Recovery Ventilator — Full Load Amps —...
  • Page 49 Table 2 — Electrical Data Without VAV Option (cont) EXHAUST AND SUPPLY MOTOR UNIT SIZE VOLTAGE ERV WHEEL (V-Ph-Hz) 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 POWER SUPPLY HEATER SIZE (kW) NEC - FLA —...
  • Page 50 Table 2 — Electrical Data Without VAV Option (cont) EXHAUST AND SUPPLY MOTOR UNIT SIZE VOLTAGE ERV WHEEL (V-Ph-Hz) 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 LEGEND — Energy Recovery Ventilator — Full Load Amps — Horsepower — Minimum Circuit Amps MOCP —...
  • Page 51 CURRENT UNIT SIZE VOLTAGE WHEEL INPUT 62M* V-Ph-Hz VALUE 115-1-60 230-1-60** 208/230-3-60 460-3-60 575-3-60 115-1-60 16.6 230-1-60** 208/230-3-60 460-3-60 575-3-60 230-1-60** 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 Table 3 — Electrical Data With VAV Option EXHAUST AND SUPPLY FAN MOTOR HEATER SIZE (kW)
  • Page 52 Table 3 — Electrical Data With VAV Option (cont) CURRENT UNIT SIZE VOLTAGE WHEEL INPUT 62M* V-Ph-Hz VALUE 208/230-3-60 460-3-60 575-3-60 208/230-3-60 460-3-60 575-3-60 208/230-3-60 11.3 460-3-60 575-3-60 208/230-3-60 17.8 460-3-60 575-3-60 LEGEND — Energy Recovery Ventilator — Full Load Amps —...
  • Page 53 Table 3 — Electrical Data With VAV Option (cont) CURRENT UNIT SIZE VOLTAGE WHEEL INPUT 62M* V-Ph-Hz VALUE 208/230-3-60 460-3-60 12.9 575-3-60 11.5 208/230-3-60 460-3-60 12.9 575-3-60 11.5 208/230-3-60 460-3-60 16.5 575-3-60 LEGEND — Energy Recovery Ventilator — Full Load Amps —...
  • Page 54 Economizer harness/plug coming from control box in HVAC unit. Black Jumper in plug leave. Jumper plug shipped attached economizer plug. Brown Fig. 47 — Jumper Plug Detail Fig. 49 — Economizer Switch Wiring Actuator (Motor) Important: Remove and re-install through end switch Economizer End switch...

  • Page 59: Adjust The Erv Blower Speed

    START-UP Do not operate the ERV unit without the filters and bird- screens installed, which prevent foreign objects from enter- ing the unit. Use the following information and the Start-Up Checklist on page CL-1 to check unit PRIOR to start-up. Unit Preparation —...
  • Page 60 *Data based on measurements taken using optional airflow test ports. Fig. 54 — 62M040-120 ERV Wheel Pressure Drop* 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800 5000 *Data based on measurements taken using optional airflow test ports. Fig.
  • Page 61 62M550,640 62M750,950 5000 5500 6000 6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 Airflow (cfm) *Data based on measurements taken using optional airflow test ports. Fig. 56 — 62M550-950 ERV Wheel Pressure Drop* (cont)
  • Page 62 0.00 0.20 0.40 External Static Pressure (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 57 — 62M040 Supply Air Fan Performance Curves 0.00 0.20 0.40 NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. External Static Pressure (in.
  • Page 63 1400 1200 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 59 — 62M075 Supply Air Fan Performance Curves 1200 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig.
  • Page 64 1575 1375 1175 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 61 — 62M120 Supply Air Fan Performance Curves 1475 1275 1075 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig.
  • Page 65 2800 2600 2400 2200 2000 1800 1600 1400 1200 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 63 — 62M170 Supply Air Fan Performance Curves 2600 2400 2200 2000 1800 1600 1400 1200 1000...
  • Page 66 3000 2500 2000 1500 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 65 — 62M225 Supply Air Fan Performance Curves 3000 2500 2000 1500 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig.
  • Page 67 3500 3000 2500 2000 1500 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 67 — 62M285 Supply Air Fan Performance Curves 3500 3000 2500 2000 1500 1000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in.
  • Page 68 4500 4000 3500 3000 2500 2000 0.10 0.20 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 69 — 62M330 Supply Air Fan Performance Curves 4000 3800 3600 3400 3200 3000 2800 2600 2400 2200 2000...
  • Page 69 5500 5000 4500 4000 3500 3000 2500 0. 20 0. 40 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 71 — 62M430 Supply Air Fan Performance Curves 5500 5000 4500 4000 3500 3000 2500 0.
  • Page 70 6500 6000 5500 5000 4500 4000 3500 3000 2500 2000 NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 73 — 62M550 Supply Air Fan Performance Curves 6 500 6 000 5 500 5 000 4 500 4 000 3 500 3 000...
  • Page 71 7500 7000 6500 6000 5500 5000 0.25 0.45 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 75 — 62M640 Supply Air Fan Performance Curves 8000 7500 7000 6500 6000 5500 5000 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in.
  • Page 72 9500 9000 8500 8000 7500 7000 6500 6000 5500 0.10 0.30 0.50 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 77 — 62M750 Supply Air Fan Performance Curves 9000 8500 8000 7500 7000 6500 6000...
  • Page 73 11500 11000 10500 10000 9500 9000 8500 8000 7500 7000 6500 0.10 0.30 External Static (in. wg) NOTE: Fan data includes pressure drop for 30% efficient 2-in. filters. Fig. 79 — 62M950 Supply Air Fan Performance Curves 11000 10500 10000 9500 9000 8500...

  • Page 74: Variable Air Volume Option

    Fig. 81 — Blower Motor Pulley Adjustment Fig. 82 — Belt Alignment Variable Air Volume Option — used in conjunction with the CO sensor option (ordered separately). Outside air and exhaust air blower speeds are independently controlled by variable frequency drives and modulated based upon space occupancy, which can be measured by CO .

  • Page 75: Service

    • EXH blower motor is turned on. • The two-position damper is open (if used). • The stop/jog option will periodically rotate the ERV wheel to clean it during wheel bypass operation. This feature is factory set to activate every 10 minutes, for 20 seconds of operation.

  • Page 76: Removing And Installing Non-Segmented Wheel For Cleaning (62M075,120 Units)

    Removing Installing Wheel for Cleaning (62M075, 120 Units) — Non-segmented energy transfer wheels include the shaft and are secured to two wheel support beams by two flange bearings with locking collars. See Fig. 85. To remove the energy transfer wheel follow Steps 1-4 below.

  • Page 77: Wheel Drive Motor And Pulley Replacement

    Imbedded Stiffeners Fig. 88 — Motor Side View of Segment PULL TAB CATCH Fig. 89— Latch Segment Retaining Brackets Wheel Drive Motor and Pulley Replacement (62M170-095 Units) 1. Disconnect power to wheel drive motor. 2. Remove belt from pulley and position temporarily around wheel rim.

  • Page 78: Maintenance

    Bearing Access Plate Retaining Screws Set Screw Drift Hole Locating Pin Fig. 91 — Belt Replacement (Diameter Seals Removed) MAINTENANCE Routine maintenance of the energy recovery cassettes includes periodic cleaning of the energy recovery wheel as well as inspection of the air seals and wheel drive components as follows: Cleaning —...

  • Page 79: Wheel Drive Components

    Rotation Adjusting Screws Feeler Gage Fig. 92 — Diameter Seal Adjustment Wheel Drive Components — bearings are pre-lubricated and no further lubrication is neces- sary. Make certain air cooling ports are not blocked. The wheel drive a pulley is secured to the drive motor shaft by a setscrew.
  • Page 80 Copyright 2006 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 Catalog No. 536-220 Printed in U.S.A. Form 62M-1SI Pg 80 1-06 Replaces: New 10a 12a...

  • Page 82: Start Up Checklist

    A. Project Information: Name __________________________________________________ Job Name ______________________________________________ ERV Unit Designation ____________________________________ Phone Number __________________________________________ Design Information Application External Static Pressure Supply Discharge Return Discharge Voltage/Phase ERV Unit Part Number Specify Rooftop Unit. Model Number HVAC Unit Discharge Type Roof Curb (Option) 14-in.

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