4-1-2. INTERNAL STRUCTURE
HEAT EXCHANGE UNIT
(CEILING-MOUNTED)
Heat exchange
element
HEAT EXCHANGE UNIT
(CEILING-MOUNTED)
Heat exchange
element
Bypass air course
Filter (for OA)
Bypass air course
Filter (for OA)
INTERNAL STRUCTURE
(HEAT EXCHANGE VENTILATION)
INTERNAL STRUCTURE
(NORMAL VENTILATION)
- (01-18) -
Filter (for RA)
Filter (for RA)