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A48 inches 52 inches b, 0 inches, 36 inches – Greenheck ERCH (476054) User Manual

Page 9

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General Description - NOT model specific

Model ERCH Energy Recovery Ventilator

®

9

Service Clearances / Access Panel - Cooling Coil (with or without heating)

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

WHEEL CASSETTE

OUTDOOR

WEATHERHOOD

COOLING COIL

INDIRECT GAS FURNACE

ELECTRICAL BOX

HEA

TING COIL

A

48 inches

52 inches

B

ACCESS DOOR

ACCESS PANEL

*CASSETTE REMO

V

A

L

CLEARANCE WITH

IG HEATER

ACCESS DOOR

PIPING VESTIBULE

(OPTIONAL)

0 inches

CLEARANCE WITHOUT

IG HEATER

36 inches

CLEARANCE
WITH

VESTIBULE

CLEARANCE
WITHOUT

VESTIBULE

ACCESS DOOR

ACCESS DOOR

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

EXHAUST AIR

WEATHERHOOD

Drawing shows both heating coil and indirect gas furnace options. Only one can be selected.

This manual is related to the following products: