Curb Outside Dimensions, Recommended Roof Openings And Curb Weights - Greenheck ERCH-20 Installation, Operation And Maintenance Manual

Installation

Curb Outside Dimensions, Recommended Roof Openings and Curb Weights

Model Configuration
Heating Only
Cooling Coil*
ERCH-20 PDX
WSHP
Evap Cooling
Heating Only
Cooling Coil*
ERCH-45 PDX
WSHP
Evap Cooling
Heating Only
Cooling Coil*
ERCH-55
PDX
WSHP
Evap Cooling
Heating Only
Cooling Coil*
ERCH-90 PDX
WSHP
Evap Cooling
*With or without heating.
PDX = Packaged Direct Expansion
WSHP = Water-Source Heat Pump
All dimensions are in inches. All weights are in pounds. Various curb heights are available, use the adder per inch column to
determine the weights above 12 inches.
W
PIPING VESTIBULE
C
®
Outside Recommended
Curb Roof
Dimensions Openings
Length Width A
71.8 49.9
28.3
91.8 49.9
42.5
103.8 49.9
28.3
79.9 60
31.8
99.9 60
43.8
114.9 60
31.8
93.1 70.8
38.3
112.1 70.8
57.8
129.1 70.8
38.3
105.1 90.1
39.1
112.1 70.8
61.4
147.1 90.1
39.1
L
A
RETURN AIR INTAKE
SUPPLY AIR
DISCHARGE
OPTIONAL
26.1 inches
D
Optional
Piping 12 inch
Vestibule Curb
Weight
B C D
12.3 134
147
32.8
43.5 30
166
NA
12.3 157
170
32.8
54.8 35.1
195
NA
12.3 184
196
32.8
63.5 41.8
228
NA
12.3 231
196
32.8
79.4 51.1
291
NA
1-inch Foam Insulation
B
Curb Duct
Adaptor
Curb Cap Details for Factory-Supplied Roof Curbs
Energy Recovery Ventilator with Heating and Cooling General Description - NOT model specific
12 inch Curb
Curb weight
Weight only
with Piping
Adder per inch
Vestibule
157 +6.9
179 +7.7
199
+8.3
NA
180 +8.0
202 +8.8
228
+9.5
NA
207 +9.3
228 +10.1
260
+10.9
NA
254 +11.2
228 +12
323
+13.1
NA
Unit Base
1.9 inches
1/2 inch
1.63
inches
Curb
Curb Weight
with Piping
Vestibule
+8.3
+9.5
+10.1
NA
+9.4
+10.6
+11.4
NA
+10.7
+11.9
+12.7
NA
+12.6
+13.8
+14.9
NA
1 inch
Curb
Height
7