Greenheck ERCH (476054) User Manual
Page 22
General Description - NOT model specific
Model ERCH Energy Recovery Ventilator
®
22
Auto Drain & Flush Valves
(when provided by Manufacturer)
Assembly
No.
Mfg
Part No.
ASCO
Part No.
Solenoid
Type
De-Energized
Position
Diameter Qty.
852178
461262
8210G2
Supply
Closed
1/2-inch
(12.7 mm)
1
461263 8262G262
Supply
Line
Drain
Open
1/4-inch
(6.35 mm)
1
461264 8210G35
Sump
Drain
Open
3/4-inch
(19.05 mm)
1
Part numbers subject to change.
Water Supply Connection Locations for Evaporative Cooler
EXHAUST FIL
TERS
OUTDOOR AIR FIL
TERS
WHEEL CASSETTE
ELECTRICAL BOX
INDIRECT
EVAP
DIRECT
EVAP
C
D
A
B
RETURN AIR
INTAKE
OUTDOOR AIR
INTAKE
Ø
0.875 Run 1/4 in. line up through 7/8 in. hole here and
bring around end of sump to supply connection.
1/4 in. water supply connection
1/4 in. water supply connection
Ø
0.875
Run 1/4 in. line up through 7/8 in. hole here
and bring around end of sump to supply connection.
Model
Water Supply Connection Locations
A
B
C
D
ERCH-20
37.5
4.5
4.5
46
ERCH-45
45.25
4.5
4.5
51.5
ERCH-55
56
4.5
4.5
57
ERCH-90
59
4.5
4.5
68
Dimensions from outside of unit (in inches)