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Side View A-A
44 3/4"
Rooftop
Unit
Curb
ERV
Unit
Curb
AA
Curb Detail
Rooftop Unit
62M ERV Unit
Rooftop Unit
Relief Hood
Top View
62M170-285 ERV Unit
O/A Hood
Accessory
Transition
leeh
W
V
RE
(field supplied)
Horizontal /Return Duct
Outside Air Hood (See Note 2)
A
Rooftop Unit Curb
B
Top View
49 5/8”
45 1/2”
Rooftop Unit
Curb
ERV Curb
44 3/4”
ERV Curb
Accessory
Transition
ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB
DIMENSIONS (in.)
AB
48/50PG 20-28 62M-BTR-HG1525-H 62M-B-CRB-14MC 114.4 78.6
48/50HJ 020-028 62M-BTR-HG1525-H 62M-B-CRB-14MC 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. 31 — 62MD,ME170-285 Coupled with Carrier 48/50PG20-28
and 48/50HJ020-028 Horizontal Discharge Rooftop Unit