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Side View A-A
44 3/4"
Rooftop
Unit
Curb
ERV
Unit
Curb
AA
Curb Detail
Rooftop Unit
Rooftop Unit
Relief Hood
Top View
A
Rooftop Unit Curb
B
ERV Curb
62M170-285 ERV Unit
O/A Hood
Top View
Accessory
Transition
le
ehW VRE
62M ERV Unit
Outside Air Hood (See
Note 2)
49 5/8”
YLP
P
U
S
NRUT
E
R
YLPPUS
NRUTER
Standard HVAC Unit
Roofcurb
ERV Curb
44 3/4”
45 1/2”
Accessory
Transition
ROOFTOP MODEL ROOFTOP SIZE 62M TRANSITION ERV CURB
DIMENSIONS (in.)
AB
48/50PG 20-28 62M-BTR-HG1525-D 62M-B-CRB-14MC 114.4 78.6
48/50HJ 020-028 62M-BTR-HG1525-D 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. 32 — 62MD,ME170-285 Coupled with Carrier 48/50PG20-28
and 48/50HJ020-028 Vertical Discharge Rooftop Unit