6.6
H
YDRAULIC
C
ONNECTION
D
IAGRAM
It is suggested hydraulic system should be installed according to following schemes.
Open Expansion Tank System (Fig. 06)
1.Safety Heat Exchanger(SHT)
2.Safety Valve(TS 131,STS20)
3.Water Supply
4.System Safety Valva (3bar-1/2“)
5.Check Valve
6.Mixing Valve
7.System Pump
8.Heating System
9.Open Expansion Tank
-Open –type expansion tank must be equipped with the higest level in the entire hydraulic system.
-The expansion tank must be selected properly against the changes in water volume resulting frok
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.
7
PUTTING THE BOILLER INTO SERVICE
7.1.1
Checking the boiler before turning it on
Before putting the boiler into operation,the service technician must check:
-Whether the installation conforms with the design,
-Whether the boiler has been filled in and is under pressure (on the thermo-manometer),and whether
there are any leakage in heating system,
-Connection to the chimney-connection must be approved by an authorized chimney sweep(chimney
inspection),
-Functioning of the heating controls.
