Install Instructions
Mtrl.nr. 9814 03 60 • Ritn.nr. 9178 utgp.A • Rev. 0908
+230
+32
+32
F
0
5
15
Mpa/bar
Psi/bar
xxx/6
+230
+32
F
0
5
15
PSI/bar
Psi/bar
145 /10
SERIES VTC500
Series VTC511
Application Thermostat Element Installation
75˚C/176F
VTC 511
8Nm
6.0 lbf.ft
Max system pressure =
145psi (10 bar)
Max differential pressure between ports
○ and □, △ and □ =
14.5 psi (1bar) across the valve to ensure tight close off.
Max differential pressure between ports
○ and △ =
4.35 psi (0.35 bar)
75˚C/176F
VTC 511
8Nm
6.0 lbf.ft
Valve
Location
Suitable
Thermostats
Boiler
Outlet Line
158°F (70C)
176°F (80C)
Boiler
Return Line
122°F (50°C)
131°F (55°C)
140°F (60°C)
Tank Feed Line
158°F (70°C)
176°F (80°C)
Tank
Return Line
All
Boiler
Protection
Charging
of Storage
Tank
Code No. Opening Temperature
193B1702 122°F (50˚C)
193B1703 131
°F (55˚C)
193B1704 140
°F (60˚C)
193B1709 149
°F (65˚C)
193B1705 158
°F (70˚C)
193B1706 167
°F (75˚C)
Thermostat
Thermostat ordered separately
75˚C/176F
VTC 511
8Nm
6.0 lbf.ft
Thermostat
75˚C/176F
VTC 511
8Nm
6.0 lbf.ft
PED 97/23/EC