Greenheck ERCH (476054) - Manual (Page 11)

General Description - NOT model specific Model ERCH Energy Recovery Ventilator
®
11
Service Clearances / Access Panel - Water-Source Heat Pump
Units require minimum clearances for access on all sides for routine maintenance. Filter replacement, drain pan
inspection and cleaning, energy wheel cassette inspection, fan bearing lubrication and belt adjustment are examples
of routine maintenance that must be performed. Blower and motor assemblies, energy recovery wheel cassette, coil
and filter sections are always provided with a service door or panel for proper component access.
EXHAUST FIL
TERS
OUTDOOR AIR
FIL
TERS
EXHAUST AIR
WEATHERHOOD
WHEEL CASSETTE
OUTDOOR
WEATHERHOOD
HEA
TING AND
COOLING COIL
ELECTRICAL BOX
HGRH COIL
HEAT PUMP
A
B
ACCESS DOORS
ACCESS PANEL
*CASSETTE REMO
V A
L
ACCESS DOOR
36 inches
ACCESS DOOR
ACCESS PANEL
ACCESS DOOR
42 inches
ACCESS DOOR
*Cassette removal only available
on housing sizes 20 and 45. Model A (in.) B (in.)
ERCH-20 48 36
ERCH-45 64 42
ERCH-55 42 42
ERCH-90 42 48
Drawing shows optional hot gas reheat coil.