SOLO
DUO
STALE AIR
FROM BUILDING
SOLO
FILTERED AIR
TO BUILDING
DUO
FRESH AIR
FROM OUTSIDE
STALE AIR
FROM BUILDING
FRESH AIR
FROM OUTSIDE
FRESH AIR
TO BUILDING
STALE AIR
TO OUTSIDE
FRESH AIR
TO BUILDING
STALE AIR
TO OUTSIDE
STALE AIR
FROM BUILDING
FILTERED AIR
TO BUILDING
STALE AIR
FROM BUILDING
SOLO units
DUO units
Celcius (˚C)
-5
-15
-27
Fahrenheit (˚F)
23
5
-17
Defrosting (min.)
6
6
6
Operation time
(min.)
between each defrost cycle
60
32
20
Defrosting (min.)
10
10
10
Operation time
(min.)
between each defrost cycle
30
20
15
Outside Temperature Defrost Cycles Extended Defrost Cycles
Celcius (˚C)
-5
-15
-27
Fahrenheit (˚F)
23
5
-17
Defrosting (min.)
9
9
9
Operation time
(min.)
between each defrost cycle
60
32
20
Defrosting (min.)
10
10
10
Operation time
(min.)
between each defrost cycle
30
20
15
Outside Temperature Defrost Cycles Extended Defrost Cycles