Operating instructions
Hydraulic Connection Diagram
It is suggested that open type hydraulic system should be installed according to following schemes.
fig.11
1. Safety Heat Exchanger (SHT)
2. Safety Valve (TS 131 , STS 20 )
3. Water Supply
4 System Safety Valve (3 bar
-
1/2
"
)
4
.
System
Safety
Valve
(3
bar
-
1/2
)
5. Check Valve
6. Four Way Mixing Valve
7. System Pump
8. Heating System
9. Open Expansion Tank
•
Open-type expansion tank must be equipped with the highest level in the entire hydraulic system.
•
The expansion tank must be selected properly against the changes in water volume resulting from heating
and cooling.
•
The expansion tanks and their connecting pipes must be protected against to freezing
•
Diameter of drainage pipe must be selected properly against to overflow into tank.
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