30
Commissioning
•
Make sure the water heater is not subject to corrosive compounds in the air.
•
Check the water supply does not contain chemicals or exceeds any of the limits on page 23 paying particular
attention to the total hardness. Failure to provide adequate protection can invalidate the warranty.
•
Check the clearances for the water heater are met
•
•
•
For indoor models: verify that the vent system does not exceed the maximum length.
•
Ensure that an approved gas isolation valve has been installed in the immediate vicinity of the water heater.
•
Ensure that suitable isolation valves have been installed on the hot and cold pipework to and from the water heater.
•
the gas or water supplies may cause damage.
•
•
Turn on gas and cold water supplies and test for any leaks.
•
Ensure that hot and cold water lines are not crossed to the unit.
positions as required:
•
factory default;
•
Fix the front panel back.
•
Isolate gas supply. Remove test point screw located on the gas inlet connection and attach pressure gauge.
•
Turn the power ‘on’ at the power point socket and turn on gas.
•
hot water outlets.
•
Ensure building occupants do not have access to hot water outlets during this procedure.
•
Operate all other gas appliances connected to the same gas line (boiler, cook top, etc..) at their maximum gas rate.
•
With all gas appliances in operation at maximum gas rate, the pressure should read between 20mbar on natural
gas. On LPG the pressure should be 30mbar/37mbar propane. If the pressure is lower, the gas supply is inadequate
regulator and pipe work for correct operation/sizing and rectify as required.
WARNING
deen ton seod ti :tes-erp yrotcaf dna dellortnoc yllacinortcele si ecnailppa eht no rotaluger sag ehT
any adjustment during installation.
Prior to making any changes, contact Rinnai.
•
Fully complete the Benchmark Commissioning form in this manual. It is important this is fully completed for warranty
purposes
•
Close any hot water outlets opened.
•
Inspect and clean the strainer located on the cold water inlet connection. This procedure may need to be repeated
to ensure the strainer remains clear, especially on new installations.
•
•
•
•
After testing is completed, explain to the end user the functions and operation of the water heater and the controllers.
•
Remind the customer to complete the warranty card and forward it to Rinnai.
•
Inform customer on use of an adequate lime scale protection system to prevent damages to heat exchanger if one
is not already installed.
•
Leave the manual to customer.
•
If the water heater is not needed for immediate use, then drain the water from the heat exchanger.
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