Greenheck ERCH (476054) - Manual (Page 8)

General Description - NOT model specific Model ERCH Energy Recovery Ventilator
®
8
INDIRECT GAS FURNACE
ELECTRICAL BOX
EXHAUST FIL
TERS
OUTDOOR AIR
FIL
TERS
EXHAUST AIR
WEATHERHOOD
WHEEL CASSETTE
OUTDOOR
WEATHERHOOD HEA
TING COIL
A
52 inches
CLEARANCE WITH
IG HEATER
0 inches
CLEARANCE WITHOUT
IG HEATER
ACCESS DOOR
B
ACCESS DOOR
*CASSETTE REMO
V
A
L
ACCESS DOOR
36 inches ACCESS DOOR
PIPING VESTIBULE
(OPTIONAL)
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
Service Clearances / Access Panel - Heating Only
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.
Drawing shows both heating coil and indirect gas furnace options. Electric heat is also available. Only one can
be selected.