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Unit Preparation
13
Do not leave the unit unattended while
p ressurized. A cold water fill could
expand and cause excessive pre s s u re ,
resulting in severe personal injury, death
or substantial property damage.
7. Ensure constant gauge pressure has been
maintained throughout the 10 minute test.
Check for leaks at all fitting joints. Repair
if found.
Leaks must be re p a i red immediately
when detected. Failure to repair leaks
can damage the unit, resulting in sub-
stantial property damage.
8. Check continuity using a voltmeter across
the terminals of the LWCO device. The
contacts on the LWCO should be closed.
See item 6 in Figure 40 page 64 for loca-
tion of the LWCO.
Completion of Hydrostatic Test and Draining
1. Disconnect the fill hose from the fresh
water source and direct the hose to a suit-
able place of drainage.
2. Open the primary drain valve and complete-
ly drain the unit. To aid in draining open the
s h u t - o f f valve on the primary supply.
3. Remove the hose from the primary drain
valve when draining is complete.
4. Remove the plugs, nipple, shut-off valve
and any other piping unless they will
remain for use in the system piping.
WARNING
WARNING