17
4
Operating Limits
Heating operating limits
-25
0
5 12
19
35
45
T4
T1
-20
-15
5
24
30
55 60 65
40
50
25
70
Cooling operating limits
-5
10
5
11
19
43
25
50
T4
T1
Domestic hot water operating limits
-25
0
5 12
19
35
45
T4
T1
-20
-15
5
24
30
55 60 65
40
50
25
43
70
Abbreviations:
T4: Outdoor temperature(°C)
T1: Leaving water temperature (°C)
IBH: Backup electric heater
AHS: Additional heat source
Notes:
If IBH/AHS setting is valid, only IBH/AHS turns on;
If IBH/AHS setting is invalid, only heat pump turns on, limitation and protection may occur.
Heat pump turns off, only IBH/AHS turns on.
(IBH can heat the water temperature up to 65
℃
, AHS can heat the water temperature up to 70
℃
)
Operation range by heat pump with possible limitation and protection
Maximum inlet water temperature line for heat pump operation
