34
Cooling
Inl
et
w
at
er
temper
atur
e (˚C)
Indoor temperature (˚C, WB)
0
15
10
20
25 27
30
10
20
30
40
45
50
35
Continuous
Operation Range
Operation Range
Operation Range
NOTE
•
In the range except for the continuous operation range, the protection control can be active depending on the
heat source flow rate. (It is not a failure but a way of cycle protection against hot or cold water.)
Heating
O
utl
et
w
at
er
temper
atur
e (˚C)
Indoor temperature (˚C, DB)
-10
-5
0
15
10
20
25
30
10
20
30
35
40
50
45
Warming up
operation
range
Anti-freeze A
Anti-freeze B
Operation Range
Operation Range
Continuous
Operation Range
Antifreeze A :
freezing point -8℃
Antireeze B :
freezing point -15℃
NOTE
•
In the range except for the continuous operation range, the protection control can be active depending on the
heat source flow rate. (It is not a failure but a way of cycle protection against hot or cold water.)
•
For use in the antifreeze condition, the antifreeze concentration must be rigidly managed.
8. Operating Range