Installation, Start-Up Service Instructions
Assembling the Roof Curb
All dimensions are in inches Roof curb shipped unassembled
Roof Curb 62M040 for Stand-Alone Applications
Duct Sizes
Dimensions
Dimensions 075,120
170-285†
Field provided
Dimensions 075,120 62M-A-CRB-14MC 30.5
62M-B-CRB-14MC 49.63 45.5
Required Service Clearances
Front Rear Left Right
62MD,ME040 Outdoor Unit Dimensions
Front 27.5 Rear Left Right
62MB,MC075,120 Indoor Unit Dimensions
39 in. service clearance required for ERV wheel removal
62MD,ME075,120 Outdoor Unit Dimensions
55 in. service clearance required for ERV wheel removal
View A-A
62MD,ME170-285 Outdoor Unit Dimensions
Required Service Clearances View A-A
62 in. service clearance required for ERV wheel removal
62MD,ME330-640 Outdoor Unit Dimensions
Rear Left
72 in. service clearance required for ERV wheel removal
Front
62MD,ME750,950 Outdoor Unit Dimensions
Top View
Rooftop
Unit Curb
004-007
Roof Curb Location Detail
Unit Curb Support
48/50PG 03-07
Return
ERV
TOP View
67 3/8
48/50HJ,TF,TJ,TM
Cannot be used. Use the 62M economizer instead
008,009 62M-ATR-HJ78-H 62M-A-CRB-14MC
48/50PG
Supply Return
Rooftop Unit Curb
62M-ATR-PG26-H
Unit Curb Rooftop Unit Curb
Side View A-A
62M-ATR-PG712-H
78 1 012,014 62M-BTR-HJ1012-D 62M-B-CRB-14MC
62M-BTR-HJ36-D 62M-B-CRB-14MC
008,009 62M-BTR-HJ78-D 62M-B-CRB-14MC
62M-BTR-HJ1012-H 62M-B-CRB-14MC
62M-BTR-HJ36-H 62M-B-CRB-14MC
62M-BTR-HJ78-H 62M-B-CRB-14MC
48/50HJ
Length is 891/16″ for 48/50TM028 units
62M-BTR-HJ1525-D 62M-B-CRB-14S
015,017 62M-BTR-HJ1525-D 62M-B-CRB-14S
62M-BTR-PG26-D 62M-A-CRB-14MC
62M-BTR-PG712-D 62M-A-CRB-14MC
Unit 38 3/4 Curb
Rooftop Unit Curb 38 3/4 49 5/8 ERV Curb
Curb Detail
62M-BTR-PG26-H 62M-B-CRB-14MC 80 5 44 11
20-28 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.6
020-028 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.6
48/50PG 20-28 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4
48/50HJ 020-028 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4
Supply
012,014 62M-CTR-HJ1012-D 62M-C-CRB-14M
62M-CTR-HJ1012-H 62M-C-CRB-14M
62M-CTR-HJ1012-HEC 62M-C-CRB-14M
Optional Economizer Hood Exhaust hood
Rooftop Unit Accessory
Transition Rooftop Unit Accessory 62M ERV Unit 62M330-640
74 1/4
48/50PG 08-14 62M-CTR-PG712-D 62M-C-CRB-14M 923/4 5315/16
62M ERV Unit ERV Curb ERV Energy Recovery Ventilator
60 11/32 ERV Curb
48/50PG 20-28 62M-CTR-HG1525-H 62M-C-CRB-14M 114.4
48/50HJ 020-028 62M-CTR-HG1525-H 62M-B-CRB-14M 114.4
48/50PG 20-28 62M-CTR-HG1525-D 62M-C-CRB-14M 114.4
Hood rather than the bottom. The new
Hood will use the filters from the original
48/50HJ 020-028 62M-CTR-HG1525-D 62M-B-CRB-14M 114.4
Rooftop Unit Economizer See Note Standard Rooftop Unit Curb
58 3/4 ERV Curb Rooftop Unit Curb 77 3/4 Outside air
Hood 62M Unit ERV Wheel ERV Curb
48/50A 020-060 62M-CTR-AJ2060-D 62M-C-CRB-14M
ERV Wheel Hood
Used when coupled with 62M750,950 units
62M ERV Unit Rooftop
Standard factory economizer cannot be
48/50PG 20-28 62M-DTR-HG1525-H 62M-D-CRB-14M 114.4
48/50HJ 020-028 62M-DTR-HG1525-H 62M-D-CRB-14M 114.4
Relief Hood
62M750,950 ERV ERV Curb
Hood O/A Outdoor Air
48/50PG 20-28 62M-DTR-HG1525-D 62M-D-CRB-14M 114.4
Unit 57 9/16 Curb 95.7
Rooftop Unit 62M ERV Unit
86.25 Rooftop
See curb Detail 77 3/4
Side View
Rigging Details
Physical Data
Make Electrical Connections
Electrical Data Without VAV Option
Size
ERV
Electrical Data With VAV Option
NEC FLA MCA
VFD Exhaust and Supply Power Supply PRE Disconnect
Economizer End Switch Wiring
Typical Wiring Schematic, High Voltage
Secondary
Energy Recovery Ventilator
Primary
MCA Minimum Circuit Amps
High Voltage Low Voltage
Disconnect Fiop
START-UP
62M040-120 ERV Wheel Pressure Drop
62M550-950 ERV Wheel Pressure Drop*
62M550,640 62M750,950
62M040 Supply Air Fan Performance Curves
62M075 Supply Air Fan Performance Curves
62M120 Supply Air Fan Performance Curves
2400
2800
2600
2200
62M225 Supply Air Fan Performance Curves
62M285 Supply Air Fan Performance Curves
4500 4000
4000
5500 5000
4500
3500 3000 2500
500 000
000 500
62M640 Supply Air Fan Performance Curves
62M750 Supply Air Fan Performance Curves
9000 8500 8000 7500 7000 6500
11500 11000 10500
10000 9500
Blower Motor Pulley Adjustment
Service
Installing Wheel Segments 62M170-950 Units
Motor
Wheel
Drive
Series wheel
Maintenance
Diameter Seal Adjustment
Copyright 2006 Carrier Corporation
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START-UP Checklist