Carrier 62MB Installation, Start-Up And Service Instructions Manual page 37

Horizontal Return Duct
(Field Supplied)
Rooftop Unit
A
B
Top View
ROOFTOP MODEL
48/50PG
48/50HJ
Fig. 38 — 62MD,ME330-640 Coupled with Carrier 48/50PG20-28
and 48/50HJ020-028 Horizontal Discharge Rooftop Unit
Accessory
Transition
Relief Hood
Top View
ROOF CURB LOCATION DETAIL
Rooftop Unit Curb
44 3/4"
60 11/32"
A A
ERV Curb
ROOFTOP SIZE 62M TRANSITION
20-28 62M-CTR-HG1525-H
020-028 62M-CTR-HG1525-H
Rooftop Unit
Accessory
Transition
Rooftop Unit Curb
62M330-640 ERV Unit
ERV — Energy Recovery Ventilator
O/A
NOTES:
1. The ERV unit can be used with a factory-
O/A Hood
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
rooftop unit hood.
Rooftop
Unit
55 13/32" Curb
ERV CURB
62M-C-CRB-14M
62M-B-CRB-14M
37
Outside Air Hood (See
Note 2)
62M ERV Unit
ERV Curb
LEGEND
— Outdoor Air
Curb Detail
ERV
Unit
44 3/4"
Curb
Side View A-A
DIMENSIONS (in.)
A B
114.4 78.6
114.4 78.6