Rinnai MC-503RC Installation And Operation Manual page 14

Wireless water controller
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Wireless Water Controller Operation
Transferring priority between water controllers
To control the water delivery temperatures when using 2 or more
controllers it is necessary to have priority transferred to the controller
you wish to use.
an illuminated transfer indicator confirms the controller is in control of
the water delivery temperature. If not illuminated, press the transfer
button to
transfer the priority.
For safety reasons while hot water taps are on, transfer of priority
between controllers is not possible.
Temperatures higher than 50 °C should only be able to be selected on the controller labelled
'Master' (used in the kitchen), not those labelled 'Bathroom'. This is a safety feature to reduce
risk of burns.
Child lock function
To activate the child lock function
Press the key button for 3 seconds. The child lock indicator will
illuminate to confirm that the function is now active. Once activated
this controller will be the only controller that can deactivate it.
To deactivate the child lock
Press the key button for 3 seconds. The indicator will go out to show
that the function is no longer active.
General functioning of the child lock
Only applies to the specific water controller where 'child lock' is
activated
While activated only the child lock control and the 'Off' control are functional from that
controller
When the water heater is turned off while the child lock is activated, it can not be turned on
again from a controller where the child lock is activated
Child lock is deactivated during a battery change or when batteries fail
Rinnai New Zealand
Wireless Installation and Operation: C 03-09
14
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