1.4.2 Limits of use
Model
20A
25A
30A
40A
45A
60A
75A
90A
Voltage limits
Min./Max V
360/440
VCH/
VIR
Sum‐
mer
cycle
Temperature of
air input in in‐
door
coil
WB °C
Min./Max.
15/23
15/23
15/23
14/23
14/23
14/23
14/23
14/23
DB °C
Min./Max.
20/32
20/32
20/32
20/32
20/32
20/32
20/32
20/32
Outdoor tem‐
perature
(1), (2)
DB °C
Min./Max.
10/50
10/50
10/48
10/50
10/50
10/50
10/50
10/50
Winter
cycle
Temperature of
air input in in‐
door
coil
(3)
DB °C
Min./Max.
10/27
10/27
10/27
10/27
10/27
10/27
10/27
10/27
Outdoor tem‐
perature
(4)
DB °C
Min./Max.
-20/20
-20/20
-20/20
-20/20
-20/20
-20/20
-20/20
-20/20
DB: dry bulb.
WB: wet bulb.
(1)
: with the condensation control option, the limit is ‑10 °C.
(2)
: with rated indoor and outdoor air flows.
(3)
: the unit is able to run for a short period at temperatures below 10 °C to raise the temperature of the air in the air conditioned
room to 10 °C.
(4)
: at below ‑10 °C only the emergency heating resistor or hot water coil (optional) remains connected.
1
Installation manual
1.4
Technical data
6
Summary of Contents for VCH-25A
Page 4: ...1 Installation manual...
Page 50: ...2 Wiring diagrams...