Lifebreath 200ERVD - Manual (Page 25)

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ECONOMIZER (DISABLED)
ERV FRESH
AIR SUPPLY
ERV UNIT
STALE AIR
EXHAUST TO ERV
SUPPLY DUCT
RETURN AIR DUCT or
BREATHER T
FRESH AIR
SUPPLY
STALE AIR
EXHAUST
ROOFTOP
UNIT
A
B
B.D.
B.D.
ROOFTOP
UNIT
ERV FRESH
AIR SUPPLY
SUPPLY DUCTWORK
CEILING RETURN AIR PLENUM
ROOF DECK
STALE AIR EXHAUST
ERV UNIT
FRESH AIR
SUPPLY
STALE AIR
EXHAUST
ECONOMIZER (DISABLED)
B
A
12" BREATHER
SPACE
B.D.
B.D.
Figure 6A
Figure 6B