15
DIP 8 OFF: 2 °C
DIP 8 ON: 3 °C
T
SA
2 °C
T
SAM
ACTIVE RESISTIVE
SECOND STAGE
ACTIVE RESISTIVE
FIRST STAGE
4.6 POST TREATMENT COIL
They can be used by the recovery unit through the post-treatment coils to treat hot/cold air ensuring the introduction of neutral air inside the rooms to be cooled.
SA
SAE
SAM
SW(
1
)
SA
SAE
SAM
SW(
1
)
Air allowed
into the
environment
RECOVERER
Air drawn in from
the external
environment
Air drawn in from the
internal environment
Air expelled
COLD POST TREATMENT BATTERY
RECOVERER
(1) It detects the battery temperature if
dip 2 is OFF, that is, we are in the
absence of air pre-treatment resistance.
(1) It detects the battery temperature if dip 2
is OFF, that is, we are in the absence of
air pre-treatment resistance.
example of installation with two post treatment batteries
example of installation with a single post treatment battery
Air drawn in from
the external
environment
Air drawn in from the
internal environment
Air expelled
The above figures show the two possible solutions for managing the fresh air, where:
