Greenheck ERCH (476054) - Manual (Page 10)

General Description - NOT model specific Model ERCH Energy Recovery Ventilator
®
10
Service Clearances / Access Panel - Integral Air-Cooled Packaged DX
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.
HEA
TING COIL
COOLING COIL
EXHAUST FIL
TERS
OUTDOOR AIR
FIL
TERS
WHEEL CASSETTE
OUTDOOR
WEATHERHOOD
ELECTRICAL BOX
HGRH COIL
COMPRESSORS
EXHAUST AIR
WEATHERHOOD
A
48 inches
B
ACCESS DOORS
ACCESS PANEL
*CASSETTE REMO
V A
L
ACCESS DOOR
PIPING VESTIBULE
(OPTIONAL)
36 inches
CLEARANCE
WITHOUT
VESTIBULE
ACCESS DOOR
CONDENSING SECTION
CLEARANCE
WITH
VESTIBULE
ACCESS PANEL
42 inches
ACCESS PANEL
ACCESS PANEL
MINIMUM
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 both heating coil and indirect gas furnace options. Electric heat is also available. Only one can
be selected. Optional hot gas reheat coil also shown, available with split or packaged DX.