Carrier 62ME, 62MC, 62MD Primary, Energy Recovery Ventilator, Secondary, MCA Minimum Circuit Amps

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LEGEND

 

 

3PDT — Three Pole, Dual Throw Relay

NC

Normally Closed

COM — Common

NO

Normally Open

DPDT — Dual Pole, Dual Throw Relay

PRI

Primary

ERV

Energy Recovery Ventilator

SEC

Secondary

MCA — Minimum Circuit Amps

 

 

NOTES:

1.Stand-Alone Application: As shown, ERV will start when power is applied. Interrupt jumpers 6/8 and 7/9 for external control.

2.Jumpers between 6 and 8, and 7 and 9, will be factory added for stand-alone units.

3.Relay throughput: 1/3 hp, 120 vac, 10 amp, 240 vac.

4.On 575-v units transformer may substitute internal breaker on secondary for fuse.

5.Door switches are optional.

6.DPDT relay may be substituted. If so, pins 2, 5 and 8 will not exist.

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(Optional)

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(Optional)

Before performing service or maintenance operations on 62M unit, turn off power switches to unit. Multiple switches may exist. Electrical shock could cause personal injury or death.

Fig. 51 — Typical Wiring Schematic, 24-V Control Circuit

Image 56
Contents Installation, Start-Up Service Instructions Assembling the Roof Curb All dimensions are in inches Roof curb shipped unassembled Roof Curb 62M040 for Stand-Alone ApplicationsDimensions Dimensions 075,120Duct Sizes 170-285†Field provided Dimensions 075,120 62M-A-CRB-14MC 30.562M-B-CRB-14MC 49.63 45.5 Required Service Clearances Front Rear Left Right62MD,ME040 Outdoor Unit Dimensions Front 27.5 Rear Left Right62MB,MC075,120 Indoor Unit Dimensions 39 in. service clearance required for ERV wheel removal62MD,ME075,120 Outdoor Unit Dimensions 55 in. service clearance required for ERV wheel removal View A-A62MD,ME170-285 Outdoor Unit Dimensions Required Service Clearances View A-A 62 in. service clearance required for ERV wheel removal62MD,ME330-640 Outdoor Unit Dimensions Rear Left 72 in. service clearance required for ERV wheel removalFront 62MD,ME750,950 Outdoor Unit Dimensions Rooftop Unit CurbTop View 004-007Roof Curb Location Detail Unit Curb Support48/50PG 03-07 ReturnERV TOP View 67 3/848/50HJ,TF,TJ,TM Cannot be used. Use the 62M economizer instead 008,009 62M-ATR-HJ78-H 62M-A-CRB-14MC48/50PG Supply ReturnRooftop Unit Curb Unit Curb Rooftop Unit Curb Side View A-A62M-ATR-PG26-H 62M-ATR-PG712-H78 1 012,014 62M-BTR-HJ1012-D 62M-B-CRB-14MC 62M-BTR-HJ36-D 62M-B-CRB-14MC008,009 62M-BTR-HJ78-D 62M-B-CRB-14MC 62M-BTR-HJ1012-H 62M-B-CRB-14MC 62M-BTR-HJ36-H 62M-B-CRB-14MC62M-BTR-HJ78-H 62M-B-CRB-14MC Length is 891/16″ for 48/50TM028 units 62M-BTR-HJ1525-D 62M-B-CRB-14S48/50HJ 015,017 62M-BTR-HJ1525-D 62M-B-CRB-14S62M-BTR-PG26-D 62M-A-CRB-14MC 62M-BTR-PG712-D 62M-A-CRB-14MCRooftop Unit Curb 38 3/4 49 5/8 ERV Curb Curb DetailUnit 38 3/4 Curb 62M-BTR-PG26-H 62M-B-CRB-14MC 80 5 44 1120-28 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.6 020-028 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.648/50PG 20-28 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4 48/50HJ 020-028 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4Supply 012,014 62M-CTR-HJ1012-D 62M-C-CRB-14M62M-CTR-HJ1012-H 62M-C-CRB-14M 62M-CTR-HJ1012-HEC 62M-C-CRB-14MRooftop Unit Accessory Transition Rooftop Unit Accessory 62M ERV Unit 62M330-640Optional Economizer Hood Exhaust hood 74 1/448/50PG 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 Curb48/50PG 20-28 62M-CTR-HG1525-H 62M-C-CRB-14M 114.4 48/50HJ 020-028 62M-CTR-HG1525-H 62M-B-CRB-14M 114.4Hood rather than the bottom. The new Hood will use the filters from the original48/50PG 20-28 62M-CTR-HG1525-D 62M-C-CRB-14M 114.4 48/50HJ 020-028 62M-CTR-HG1525-D 62M-B-CRB-14M 114.458 3/4 ERV Curb Rooftop Unit Curb 77 3/4 Outside air Hood 62M Unit ERV Wheel ERV CurbRooftop Unit Economizer See Note Standard Rooftop Unit Curb 48/50A 020-060 62M-CTR-AJ2060-D 62M-C-CRB-14MUsed when coupled with 62M750,950 units 62M ERV Unit RooftopERV Wheel Hood Standard factory economizer cannot be48/50PG 20-28 62M-DTR-HG1525-H 62M-D-CRB-14M 114.4 48/50HJ 020-028 62M-DTR-HG1525-H 62M-D-CRB-14M 114.462M750,950 ERV ERV Curb Hood O/A Outdoor AirRelief Hood 48/50PG 20-28 62M-DTR-HG1525-D 62M-D-CRB-14M 114.4Rooftop Unit 62M ERV Unit 86.25 RooftopUnit 57 9/16 Curb 95.7 See curb Detail 77 3/4Side 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 Energy Recovery Ventilator PrimarySecondary MCA Minimum Circuit AmpsHigh Voltage Low Voltage Disconnect Fiop START-UP 62M040-120 ERV Wheel Pressure Drop 62M550-950 ERV Wheel Pressure Drop* 62M550,640 62M750,95062M040 Supply Air Fan Performance Curves 62M075 Supply Air Fan Performance Curves 62M120 Supply Air Fan Performance Curves 2800 26002400 220062M225 Supply Air Fan Performance Curves 62M285 Supply Air Fan Performance Curves 4500 4000 5500 5000 45004000 3500 3000 2500500 000 000 50062M640 Supply Air Fan Performance Curves 62M750 Supply Air Fan Performance Curves 9000 8500 8000 7500 7000 6500 11500 11000 1050010000 9500 Blower Motor Pulley Adjustment Service Installing Wheel Segments 62M170-950 Units Wheel DriveMotor Series wheelMaintenance Diameter Seal Adjustment Copyright 2006 Carrier Corporation Page START-UP Checklist