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33-1197 Solahart Owner‟s Manual – Thermosiphon Systems - Revision H – Nov 2013

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CLOSED CIRCUIT COMMISSIONING PROCEDURE – GENERAL

Remove the Fill Plug from the Collector Fill Assembly.
Remove PR6/PR200 Valve from the Tank.
Connect a ½” hose to the Collector Fill Assembly
and fill the Closed Circuit with water.
(Hose to be supplied by Installer).

1

Continue filling until water overflows from the
Jacket Relief Valve Port and there are no air bubbles
in the overflowing water.

2

Fit the Test Block into the Jacket Relief Valve Port.

3

Fit the PR6/PR200 Valve to the Test Block.

4

Remove the hose from the Collector Fill Assembly
and replace the Fill Plug as quickly as possible
to minimise fluid spillage.

5

IMPORTANT: If more than 0.5 litres of fluid is spilled, repeat steps 1-5
When charging the system using a PR200 Valve, pressurise the system until the PR200 Valve opens or until a pressure of
170kPa is read on the pressure gauge, whichever happens first.
When charging the system using a PR6 Valve, pressurise the system until the PR6 Valve opens or until a pressure of 80kPa
is read on the pressure gauge, whichever happens first.

Connect a bicycle pump/portable compressor
to the Test Block and pressurise the Closed Circuit
to 80kPa/170kPa, as appropriate.
Remove bicycle pump/portable compressor from Test Block.

!

6

WARNING: DO NOT ALLOW THE CLOSED CIRCUIT PRESSURE TO RISE ABOVE 200KPA OR
PERMANENT SYSTEM DAMAGE MAY OCCUR.

If the PR6/PR200 Valve opens during the pressure test, wait
until the Valve re-seals before checking all connections for
evidence of leakage.
If the Valve does not open during the pressure test then
check all connections for any evidence of leakage.

7

Ensure that the Closed Circuit pressure
remains stable for at least 10 minutes.

8

If any leakage is observed at any of the connections,
rectify the problem and repeat steps 1 to 8.
Release the pressure from the Closed Circuit
by removing the PR6/PR200 Valve from the Test Block.
Once the pressure is relieved, replace PR6/PR200 Valve.

9

Remove the Fill Plug from the Fill Assembly
and connect the ½” hose as quickly as possible
to minimise fluid spillage.

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