Air Flow - Calorex PPT8 Installation Manual

Installation Manual
PPT8/12/16/22L/LY

2.2 Air flow

Suitable opening
Suitable opening
WALL
CALOREX
MODEL
PPT8
PPT12
PPT16
PPT22
Calorex Heat Pumps Ltd. · The Causeway, Maldon, Essex CM9 4XD, UK · Tel: +44 (0)1621 857 171
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 figure 1).
FIG 1 POSSIBLE POSITIONS OF A CALOREX HEAT PUMP
CALOREX
> 50 cm
PLANT ROOM
SWIMMING POOL/SPA
TABLE 1
Minimum Free Area m²
Inlet Discharge
0.157 0.168
0.264 0.168
0.264 0.173
0.308 0.173
Note 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.
Page 7
CALOREX
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.
R
CALOREX
WALL