Demand Rapid owner & installer guide 12949-B 02-19 |
17
Connections
TPR valve(s)
One TPR valve (two for the DD1212 and DD1250), supplied and fitted to a 20 mm fitting near the
top of the cylinder.
Relief valve drain lines
Connect an independent 20 mm copper tube relief valve drain line to the TPR valve outlet. Drain
should be installed with a continuous fall toward a visible discharge point over a drain or gully in
accordance with AS/NZS 3500.4 sections 5.8 and 5.9.
• Drain line should not exceed 9 m in length
• Valves or other restrictions should not be installed with the relief vent line
• TPR valve drain line should not be joined to other drain lines
Gas connection
Check gas type of the Rinnai INFINITY matches the gas supply available on site.
Ensure gas pipe sizing is adequate to deliver the required volume/pressure. The pipe size used
on the inlet fitting is no indication of the pipe size required. Refer to appropriate pipe sizing chart in
AS/NZS 5601.1.
Gas meter or LPG cylinders and regulator should also be of a suitable size to ensure sufficient gas
supply to the gas installation.
Purge gas line and ensure removal of debris prior to final connection. Check for gas leaks using
suitable methods as listed in AS/NZS 5601.1
