Page 7
Calorex Heat Pumps Ltd. · The Causeway, Maldon, Essex CM9 4XD, UK · Tel: +44 (0)1621 857 171
Installation Manual
AW629/829AL
R
2.2 Air flow
Suitable opening
Suitable opening
> 50 cm
PLANT ROOM
WALL
WALL
POSSIBLE POSITIONS OF A CALOREX HEAT PUMP
SWIMMING POOL/SPA
CALOREX
CA
L
O
R
E
X
CALOREX
CALOREX
CALOREX
MODEL
Inlet Discharge
AW629
0.157
0.168
AW829
0.264
0.168
AW1229
0.264
0.173
AW1529
0.308
0.173
Minimum Free Area m²
TABLE 1
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 aper-
ture. BUT discharge from each unit must be kept separate and must not
be incorporated into one common duct system.
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 en-
closed 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.