Installation, Start-Up Service Instructions
Assembling the Roof Curb
Roof Curb 62M040 for Stand-Alone Applications
All dimensions are in inches Roof curb shipped unassembled
Dimensions 075,120
Dimensions
Duct Sizes
170-285†
62M-B-CRB-14MC 49.63 45.5
Dimensions 075,120 62M-A-CRB-14MC 30.5
Field provided
Front Rear Left Right
Required Service Clearances
Front 27.5 Rear Left Right
62MD,ME040 Outdoor Unit Dimensions
39 in. service clearance required for ERV wheel removal
62MB,MC075,120 Indoor Unit Dimensions
62MD,ME075,120 Outdoor Unit Dimensions
View A-A
55 in. service clearance required for ERV wheel removal
62MD,ME170-285 Outdoor Unit Dimensions
62 in. service clearance required for ERV wheel removal
Required Service Clearances View A-A
62MD,ME330-640 Outdoor Unit Dimensions
Front
72 in. service clearance required for ERV wheel removal
Rear Left
62MD,ME750,950 Outdoor Unit Dimensions
Unit Curb
Rooftop
Top View
004-007
Unit Curb Support
Roof Curb Location Detail
Return
48/50PG 03-07
ERV
67 3/8
TOP View
48/50HJ,TF,TJ,TM
008,009 62M-ATR-HJ78-H 62M-A-CRB-14MC
Cannot be used. Use the 62M economizer instead
Rooftop Unit Curb
Supply Return
48/50PG
Side View A-A
Unit Curb Rooftop Unit Curb
62M-ATR-PG26-H
62M-ATR-PG712-H
008,009 62M-BTR-HJ78-D 62M-B-CRB-14MC
62M-BTR-HJ36-D 62M-B-CRB-14MC
78 1 012,014 62M-BTR-HJ1012-D 62M-B-CRB-14MC
62M-BTR-HJ78-H 62M-B-CRB-14MC
62M-BTR-HJ36-H 62M-B-CRB-14MC
62M-BTR-HJ1012-H 62M-B-CRB-14MC
62M-BTR-HJ1525-D 62M-B-CRB-14S
Length is 891/16″ for 48/50TM028 units
48/50HJ
015,017 62M-BTR-HJ1525-D 62M-B-CRB-14S
62M-BTR-PG712-D 62M-A-CRB-14MC
62M-BTR-PG26-D 62M-A-CRB-14MC
Curb Detail
Rooftop Unit Curb 38 3/4 49 5/8 ERV Curb
Unit 38 3/4 Curb
62M-BTR-PG26-H 62M-B-CRB-14MC 80 5 44 11
020-028 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.6
20-28 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.6
48/50HJ 020-028 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4
48/50PG 20-28 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4
012,014 62M-CTR-HJ1012-D 62M-C-CRB-14M
Supply
62M-CTR-HJ1012-HEC 62M-C-CRB-14M
62M-CTR-HJ1012-H 62M-C-CRB-14M
Transition Rooftop Unit Accessory 62M ERV Unit 62M330-640
Rooftop Unit Accessory
Optional Economizer Hood Exhaust hood
74 1/4
48/50PG 08-14 62M-CTR-PG712-D 62M-C-CRB-14M 923/4 5315/16
60 11/32 ERV Curb
62M ERV Unit ERV Curb ERV Energy Recovery Ventilator
48/50HJ 020-028 62M-CTR-HG1525-H 62M-B-CRB-14M 114.4
48/50PG 20-28 62M-CTR-HG1525-H 62M-C-CRB-14M 114.4
Hood will use the filters from the original
Hood rather than the bottom. The new
48/50PG 20-28 62M-CTR-HG1525-D 62M-C-CRB-14M 114.4
48/50HJ 020-028 62M-CTR-HG1525-D 62M-B-CRB-14M 114.4
Hood 62M Unit ERV Wheel ERV Curb
58 3/4 ERV Curb Rooftop Unit Curb 77 3/4 Outside air
Rooftop Unit Economizer See Note Standard Rooftop Unit Curb
48/50A 020-060 62M-CTR-AJ2060-D 62M-C-CRB-14M
62M ERV Unit Rooftop
Used when coupled with 62M750,950 units
ERV Wheel Hood
Standard factory economizer cannot be
48/50HJ 020-028 62M-DTR-HG1525-H 62M-D-CRB-14M 114.4
48/50PG 20-28 62M-DTR-HG1525-H 62M-D-CRB-14M 114.4
Hood O/A Outdoor Air
62M750,950 ERV ERV Curb
Relief Hood
48/50PG 20-28 62M-DTR-HG1525-D 62M-D-CRB-14M 114.4
86.25 Rooftop
Rooftop Unit 62M ERV Unit
Unit 57 9/16 Curb 95.7
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
Primary
Energy Recovery Ventilator
Secondary
MCA Minimum Circuit Amps
High Voltage Low Voltage
Disconnect Fiop
START-UP
62M040-120 ERV Wheel Pressure Drop
62M550,640 62M750,950
62M550-950 ERV Wheel Pressure Drop*
62M040 Supply Air Fan Performance Curves
62M075 Supply Air Fan Performance Curves
62M120 Supply Air Fan Performance Curves
2600
2800
2400
2200
62M225 Supply Air Fan Performance Curves
62M285 Supply Air Fan Performance Curves
4500 4000
4500
5500 5000
4000
3500 3000 2500
000 500
500 000
62M640 Supply Air Fan Performance Curves
62M750 Supply Air Fan Performance Curves
10000 9500
11500 11000 10500
9000 8500 8000 7500 7000 6500
Blower Motor Pulley Adjustment
Service
Installing Wheel Segments 62M170-950 Units
Drive
Wheel
Motor
Series wheel
Maintenance
Diameter Seal Adjustment
Copyright 2006 Carrier Corporation
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START-UP Checklist