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Rooftop Unit
62M ERV Unit
Rooftop Unit
Accessory
Transition
Relief Hood
Top View
55 13/32"
A
Rooftop Unit Curb
B
ERV Curb
62M330-640 ERV Unit
O/A Hood
Top View
leehW
V
RE
Outside Air Hood (See
Note 2)
60 11/32"
Y
LPPUS
NRUTER
YL
P
PUS
N
R
U
T
E
R
Rooftop Unit Curb
ERV Curb
44 3/4"
Accessory
Transition
Side View A-A
44 3/4"
Rooftop
Unit
Curb
ERV
Unit
Curb
Curb Detail
AA
ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB
DIMENSIONS (in.)
AB
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
LEGEND
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
rooftop unit hood.
ERV — Energy Recovery Ventilator
O/A — Outdoor Air
ROOF CURB LOCATION DETAIL
Fig. 39 — 62MD,ME330-640 Coupled with Carrier 48/50PG20-28
and 48/50HJ020-028 Vertical Discharge Rooftop Unit