Carrier 62MD Hood rather than the bottom. The new, Hood will use the filters from the original

Rooftop Unit Curb

Rooftop Unit

Accessory

Transition

Rooftop Unit	Outside Air Hood (See
	Note 2)
	62M ERV Unit

Accessory

Transition

ERV Curb

62M330-640 ERV Unit

LEGEND

O/A Hood

ERV — Energy Recovery Ventilator O/A — Outdoor Air

NOTES:

1.	The ERV unit can be used with a factory-
	installed economizer, if desired.
2.	Transition includes a new outside air hood,
	which allows air intake through the front of
	the hood rather than the bottom. The new
	hood will use the filters from the original

Top View

Relief Hood

rooftop unit hood.

B

			ROOF CURB LOCATION DETAIL
		Rooftop Unit Curb
			44 3/4"
A
				60 11/32"
SUPPLY	RETURN	A		A	55 13/32"

ERV Curb

Top View

	Curb Detail
Rooftop		ERV
Unit	44 3/4"	Unit
Curb		Curb
	Side View A-A

ROOFTOP MODEL	ROOFTOP SIZE	62M TRANSITION	ERV CURB	DIMENSIONS (in.)
				A	B
48/50PG	20-28	62M-CTR-HG1525-D	62M-C-CRB-14M	114.4	78.6
48/50HJ	020-028	62M-CTR-HG1525-D	62M-B-CRB-14M	114.4	78.6

Fig. 39 — 62MD,ME330-640 Coupled with Carrier 48/50PG20-28

and 48/50HJ020-028 Vertical Discharge Rooftop Unit

38