GET
TING
ST
AR
TED
On-Demand Water Heater Installation Manual and Owner’s Guide
53
Initial Operation (cont.)
6.
Steps 6-8 are only for standard recirculation installations. Go to step 9 for
applications using the cross over valve or when the pump will not be used.
Start pump operation test by built-in controller or remote controller. If
your water heater is installed outdoors without the optional remote
controller, remove the front cover to operate the built-in controller after
removing the four screws when operation on the controller is required.
Press the ON/OFF button on the controller so the STAND BY LED turns off.
or
Press and hold "INFO." and "PUMP" simultaneously for at least three sec-
onds, then the integrated pump starts operation for five minutes.*
or
A segment of the zero is lighting as follows in clockwise order during
pump operation test.
7.
During the pump operation test, open and close a faucet in the loop
several times to relieve air in the pipe. If air is stuck in the pump, it can
cause pump failure or decreased water flow.
8.
Check recirculation water flow. Refer to p. 65. Make sure the flow rate is
approx. 2 to 3 GPM. If the flow rate is less than 2 GPM, there is a possibility that
air is stuck in the pump. Open and close the faucet again to relieve air.
Water flow
(EX.: 3.0 GPM)
GETTING STARTED
*In an Easy-Link System, each integrated pump does the initial test run in order for five minutes.
Summary of Contents for 160X3P
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