21
Harrier GTS -
Installation & Servicing
INSTALLATION
29 HYDRAULIC TEST
1.
Seal off the flow and return connections.
2.
Fit a suitable supply line with valves and
union connection.
3.
Fit a suitable valve to vent the boiler.
(Temporary only.)
har7007
2
1
3
1
har7010
4
6
5
7
8
9
10
bar
7,8
0
4.
Fill the boiler then shut off the
supply water.
5.
Shut off the inlet valve.
6.
Close the vent valve.
7.
Disconnect the supply water.
8.
Connect the pressure system
water.
9.
Open the fill valve.
10.
Pressurise the boiler. Maintain
pressure for at least
30 minutes
.
Any drop in pressure indicates a
leakage in the boiler body.
11.
After successfully conducting the
test, release the pressure and
drain.
After assembling the boiler body, the installer must carry out a water tightness
test at a hydraulic pressure of 1.5 times the design pressure for a period of
30 minutes. The test must be done at room temperature.
INST
ALLA
TION
