Panasonic 140 Installation And Maintenance Manual page 32

13.4.7.1. Heat mode
The water law replaces the heat mode setpoint with the f function of the OAT outside temperature:
• water law setpoint = f(OAT)
Function f is restricted between 20 and 50°C. It is defi ned by points A, B and C in the graph below. The values indicated are
factory values.
f (°C)
A
45
40
35
0
Points Coordinates
OAT
A
f
OAT
B
f
OAT
C
f
B
C
OAT (°C)
10 15
Unit Min. Max. Default
°C -20 OAT
B
°C f 50
B
OAT OAT
°C
A C
f f
°C
C A
OAT 50
°C
B
20 f
°C
B
Water Law Water Law
Compensation Compensation
------------------------------ ------------------------------
Cooling mode Cooling mode
-Point A : OAT -Point A : OAT
-Point A : Delta -Point A : Delta
-Point B : OAT -Point B : OAT
-Point B : Delta -Point B : Delta
------------------------------ ------------------------------
Heating mode Heating mode
-Point A : OAT -Point A : OAT
-Point A : f -Point A : f
-Point B : OAT -Point B : OAT
-Point B : f -Point B : f
-Point C : OAT -Point C : OAT
-Point C : f -Point C : f
0
45
10
40
15
35
32
1/15 1/15
Disable Disable
-------- --------
10,0°C 10,0°C
6,0dK 6,0dK
30,0°C 30,0°C
0,0dK 0,0dK
-------- --------
0,0°C 0,0°C
45,0 °C 45,0 °C
10,0 °C 10,0 °C
40,0 °C 40,0 °C
15,0 °C 15,0 °C
35,0 °C 35,0 °C