28
unvented controls(s)
Check controls as per the following:
1) Line strainer - with the water supply turned off remove screen from
strainer and clean of any detritus;
2) Expansion vessel - with the water supply turned off and taps open, check
expansion vessel pressure and top up as necessary;
3) Temperature & pressure relief valve - with the water supply turned on,
check manually by lifting the test lever/turning the test knob (ensure valve
closes after testing);
4) Expansion relief valve - check manually by turning the test knob (ensure
valve closes after testing);
5) Discharge pipes (D1) - from both temperature & pressure relief and
expansion relief valve for obstructions;
6) Tundish & discharge pipe (D2) - open either valve gradually to produce a
full bore discharge into tundish and D2 without any back pressure;
7) Pressure reducing valve - check that the correct outlet pressure is being
maintained by recording the pressure at an in-line terminal fitting i.e. tap.
thermostats
Ensure that all thermostats adjusted for the correct temperature setting, this
should be between 60 and 65°C.
After servicing, complete all relevant sections of the Benchmark Checklist
located on page 35 of this manual.
n
ote
!
w
Here tHere is A possiBility oF scAle ForMinG
,
it is recoMMenDeD tHe
tHerMostAt Be set to Below
60
o
c
AnD A scAle reDucer Be FitteD on tHe
incoMinG MAins supply
Summary of Contents for AQUABRAVO ITD 130
Page 18: ...18 FiG 3 12 systeM A systeM B ...
Page 23: ...23 Wiring diagram for a 3 Port Valve 2 Port Valve FiG 3 17 ...
Page 32: ...32 ...
Page 33: ...33 ...
Page 34: ...34 8 BENChMARK COMMISSIONING ChECKLIST ...
Page 35: ...35 9 BENChMARK SERVICE RECORd ...
