
Instructions for the installer
65
Parameter
Settable values
Default values
Notes
P18 - TSP18
Solar plant type choice
0 ÷ 1
0
0 = solar valve
1 = solar pump
P19 - TSP19
Water heater set-point setting
10 ÷ 90 °C
60 °C
only with P18 = 1
P20 - TSP20
∆T ON (diff. for solar pump switch-on)
1 ÷ 30 °C
6 °C
P21 - TSP21
∆T OFF (diff. for solar pump shut-down)
1 ÷ 30 °C
3 °C
P22 - TSP22
Maximum collector temperature
80 ÷ 140 °C
120 °C
P23 - TSP23
Minimum collector temperature
0 ÷ 95 °C
25 °C
P24 - TSP24
Solar collector freeze protection
0 ÷ 1
0
0 = freeze protection inactive
1 = freeze-protection active (only with P18
= 1)
P25 - TSP25
Solar load forcing
0 ÷ 1
0
0 = automatic operation
1 = always active
P26 - TSP26
Enabling of water heater cooling
0 ÷ 1
0
0 = disabled
1 = enabled (with P18 = 1 only)
Tab. 19 Solar parameter (with P17=2 or with supplementary board)
Parameter
Settable values
Default values
Notes
P80
Multifunction relay forcing
0 ÷ 1
0
0 = standard function
1 = relay energised
P81
Zone 2 pump relay forcing
0 ÷ 1
0
0 = standard function
1 = relay energised
P82
Zone 2 mixing valve forcing
0 ÷ 2
0
0 = standard function
1 = force opening
2 = force closing
P84
Zone 3 pump relay forcing
0 ÷ 1
0
0 = standard function
1 = relay energised
P85
Zone 3 mixing valve forcing
0 ÷ 2
0
0 = standard function
1 = force opening
2 = force closing
P87
Zone 4 pump relay forcing
0 ÷ 1
0
0 = standard function
1 = relay energised
P88
Zone 4 mixing valve forcing
0 ÷ 2
0
0 = standard function
1 = force opening
2 = force closing
P91
Solar PCB forcing
0 ÷ 1
0
0 = standard function
1 = relay energised
P92
Solar PCB valve relay forcing
0 ÷ 2
0
0 = standard function
1 = force opening
2 = force closing
Tab. 20 System check
Содержание ITACA KC 24
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