22
Viscount GTS -
Installation & Servicing
INSTALLATION
23 HYDRAULIC TEST
1.
Seal off the flow and return connections with blank flanges
2.
Fit a suitable supply line with valves and union connection.
3.
Fit a suitable valve to vent the boiler. (Temporary only.)
4.
Fill the boiler then shut off the supply water.
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.
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1
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2
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6
4
7
10
8
5
9
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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
30 minutes
.
Any drop in pressure indicates a leakage in the boiler body.
11.
After successfully conducting the test, release the pressure
and drain.
12.
Remove all parts used for the test.
•
Assemble the pocket for the thermostats and thermometer
in :
-
the third special intermediate section - 150 mm wide,
1/2" hole (GTS 14 - 19)
or
-
the fourth special intermediate section - 150 mm
wide, 1/2" hole (GTS 20 - 25).
•
Plug the two (GTS 14 - 19) or three (GTS 20 - 25) free 1/2"
holes in the special intermediate sections.
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GTS 14 - 19
GTS 20 - 25
FRONT
FRONT
22 ASSEMBLE THE POCKET
INST
ALLA
TION
