2.3 AIR FLOW
IMPORTANT
If multiple units are installed in an enclosed area then the inlet free areas
required for each unit can be added together to form one inlet aperture. BUT
discharge from each unit must be kept separate and must not be incorporated
into one common duct system.
Table 1
Model
Minimum Free Area m2
Inlet
Discharge
PPT16
0.322
0.173
PPT22
0.322
0.173
Due consideration must be given to air flow i.e. do not obstruct inlet or outlet
and ensure discharge to air cannot recirculate to inlet. (See below).
Required Free Areas to provide air flow to and from heat pumps when installed
in an enclosed area or where required to pass air through a wall etc.
Free areas is the available area through which air can pass through a grille or
louvres.
> 50 cm
SWIMMING POOL/SPA
CALOREX
PLANT ROOM
CALOREX
CALOREX
CALOREX
WALL
CAL
OREX
SUITABLE OPENING
POSSIBLE POSITIONS OF A CALOREX HEAT PUMP
WALL
SUITABLE OPENING
8
SD638152 ISSUE 4
PPT16/22 BHC & PPT16BMCY OWNER INSTALLATION MANUAL
